Senior Protocol Engineer Distributed Systems Blockchain Cryptography jobs in Tallinn – Browse 124 openings on RoboApply Jobs
Senior Protocol Engineer Distributed Systems Blockchain Cryptography jobs in Tallinn
Open roles matching “Senior Protocol Engineer Distributed Systems Blockchain Cryptography” with location signals for Tallinn. 124 active listings on RoboApply Jobs.
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Senior Protocol Engineer - Distributed Systems & Blockchain Cryptography
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Experience Level
Senior
About the job
At TechBiz Global, we are dedicated to delivering exceptional recruitment services for our esteemed clients. We are currently on the lookout for a Senior Protocol Engineer to become a vital member of one of our client’s innovative teams. This is a fantastic opportunity for individuals looking to advance their careers in a cutting-edge environment.
In this role, you will spearhead the design and development of state-of-the-art consensus models, construct secure and scalable Ethereum Virtual Machine (EVM) systems, and provide mentorship to a top-tier engineering team.
Key Responsibilities
Lead the creation of EVM-based architectures and blockchain frameworks.
Design and implement advanced Proof of Stake and other consensus algorithms.
Develop and enhance smart contract platforms and associated tools.
Work collaboratively with leadership to establish technical strategies and roadmaps.
Guide and mentor engineers, promoting a culture of innovation and excellence.
Drive enhancements in decentralization and scalability.
At TechBiz Global, we are dedicated to delivering exceptional recruitment services for our esteemed clients. We are currently on the lookout for a Senior Protocol Engineer to become a vital member of one of our client’s innovative teams. This is a fantastic opportunity for individuals looking to advance their careers in a cutting-edge environment.In this rol…
Join Bolt as a Senior Design System Engineer and play a pivotal role in shaping the technical architecture of our multi-platform design system. Collaborate closely with design system designers and platform engineering teams to elevate user interface development at Bolt.As part of our dynamic Web Architecture and Visual Experience (WAVE) team, you will drive core design system initiatives from an engineering perspective, ensuring our design foundations are scalable across all platforms and products. You will also contribute to the design system strategy, bringing engineering alignment and delivering high-quality code.Take ownership of significant projects that span multiple platforms and have the potential to transform how Bolt approaches the delivery of user interfaces. If you're passionate about accessibility, you will have the opportunity to influence product teams across Bolt to prioritize accessibility in their workflows and implement practical enhancements that benefit hundreds of millions of users.
The WowAs a Systems Engineer, you will play a vital role in managing and enhancing our corporate IT infrastructure, ensuring optimal performance both on-premises and in the cloud. You will collaborate with your team of Systems and DevOps Engineers to develop corporate services, improving operational best practices and driving innovation through modern technologies. Your expertise will help us address diverse business requirements across multiple locations, ensuring that our services are delivered professionally while optimizing costs. You are a proactive team player, capable of working independently, and are eager to share your knowledge and insights.A taster of what you will be involved with:Develop and maintain corporate infrastructure aligned with Betsson’s business goals.Create and update documentation, ensuring knowledge sharing through online tools.Oversee systems and service monitoring to ensure optimal performance.Drive continual improvement initiatives within the team.Provide technical expertise in the application of operational procedures.Assist in designing technical solutions to meet evolving business needs.Contribute to planning and executing maintenance and installation tasks.Identify operational challenges and collaborate on their resolution following established standards.Manage Betsson’s Cloud and On-Prem Infrastructure, including Active Directory and Office 365.Implement standardized procedures for system backups and data restoration.Serve as the primary contact for IT support, infrastructure projects, and vendor coordination.Take responsibility for the maintenance of all IT equipment within the office, including server rooms, UPS, meeting room AV setups, and mobile phones.Be available for on-call duties and shift work as required by business operations.
Lightspark is revolutionizing the global payment landscape by developing an open payment protocol for the Internet, enabling money to transfer as quickly and easily as data. Through our innovative enterprise tools such as Grid, Node, and Spark, businesses can facilitate instantaneous, secure money transactions at a significantly reduced cost, from anywhere in the world.Headquartered in Los Angeles, California, Lightspark is committed to pioneering the future of payments by harnessing the potential of the Bitcoin network and exploring the depths of the Lightning Network. Our mission is to create a secure and robust payment infrastructure that seamlessly connects traditional finance with cryptocurrency. This exciting role is part of Striga, a Lightspark company located in Tallinn, Estonia, where we are developing Lightspark's European payments platform to link fiat and crypto systems for efficient cross-border transactions.We are on the lookout for a Senior Fullstack Engineer who thrives in dynamic startup environments, relishes the challenge of rapid coding and deployment, and is eager to contribute to a culture of engineering excellence. As a key member of our Lightspark Payments Europe team, you will be responsible for designing, leading, and enhancing the user experience for our enterprise products, automating our Connect SDKs, and implementing new features for our APIs and websites.
Full-time|Remote|Tallinn, Spain (Remote), São Paulo
Join Veriff as we venture into the innovative realm of identity verification through agentic AI systems capable of reasoning, acting, and functioning securely in environments characterized by high trust.We are assembling a compact, high-impact team dedicated to exploring and operationalizing agentic capabilities across identity verification, know your audience (KYA), risk assessment, and automation workflows.As a Founding Software Engineer, you will play a pivotal role in developing this initiative from the ground up.You will contribute to safeguarding honest individuals online by:Designing and constructing agentic systems that can:Utilize various toolsReason through complex, multi-step workflowsFunction under stringent compliance and safety standardsPrototyping and deploying workflows powered by large language models (LLMs)Creating internal evaluation frameworks to ensure agent reliabilityDefining system architecture for scalable and secure AI servicesCollaborating closely with product, risk, and compliance teamsTransforming abstract ideas into functional systems
Wise is looking for a Senior Software Engineer to help improve the Screening Engine in Tallinn. This role centers on building and refining systems that support effective, reliable screening processes. What you will do Work on software development projects that strengthen and streamline the Screening Engine Collaborate with colleagues from different disciplines to design and deliver solutions Focus on performance, reliability, and usability in every aspect of your work Who you are Experienced in software engineering, with a track record of building dependable systems Comfortable working across teams to solve complex problems Motivated to keep systems efficient and user-friendly This position is based in Tallinn and centers on Wise’s Screening Engine platform.
At Modash, we believe that the world thrives on the creativity of independent storytellers. We are dedicated to empowering millions of creators to share their unique narratives online.Your role is crucial in helping creators earn a sustainable income.Modash is an innovative platform specializing in creator partnerships, designed to facilitate seamless collaborations between brands and creators across Instagram, TikTok, and YouTube. We are on the lookout for a Senior Product Engineer to enhance our creator discovery and management system. Join our dynamic team of approximately 20 engineers spread across four product teams as we tackle exciting challenges and expand our capabilities.Your Impact as a Senior Engineer at ModashAs a Senior Engineer, you won’t just write code; you will influence the core of our product.Address real-world challenges. Transform customer pain points into straightforward, effective solutions that brands and creators depend on daily.Takes ownership of results. From understanding the problem to designing solutions, developing, launching, and refining them in the live environment, you will take full responsibility.Make informed decisions. Base your choices on clarity rather than bias. Ask detailed questions, challenge norms, and select the best approach for each scenario—whether it’s rapid experimentation or robust engineering for scale.Sustain momentum. Don’t wait for ideal conditions; make informed decisions, involve your team when necessary, and ensure progress continues.Elevate team standards. Provide constructive feedback early and support your colleagues, striving for excellence in reasoning, quality, and decision-making.Our Technology StackWhile familiarity with our stack is advantageous, it is not mandatory. A willingness to learn and prepare for our interview process, which includes a practical coding task in Vue.js and Node.js, is all we require.Our current stack includes:Frontend: Vue.js 3 with PiniaBackend: Node.js with TypeScriptInfrastructure: AWS + Pulumi (Infrastructure as Code)Database: MongoDB, DynamoDBTooling: GitHub, Linear, NotionQualificationsTo excel in this role, you should possess:Extensive experience in developing and operating production systems - you understand the fundamentals of making software operational.A proactive approach to learning - whether it’s front-end, back-end, infrastructure, or new technologies.Strong analytical skills for crafting solutions - you can evaluate problems and respond effectively.
Bolt Technology OÜ serves over 200 million customers in more than 50 countries. The engineering team is focused on building reliable technology solutions at scale. Role overview This Senior QA Engineer - Mobile position centers on maintaining and improving product quality for Bolt’s mobile applications on both Android and iOS. The role calls for a detail-oriented approach and a strong commitment to delivering a seamless user experience. What you will do Work closely with Engineers, Designers, and Product Managers to define and maintain quality standards. Take ownership of the QA process for mobile products. Develop and apply effective testing methodologies to ensure product functionality. Help ensure a smooth experience for users across mobile platforms. Requirements Experience in quality assurance for mobile applications (Android and iOS). Strong attention to detail and a focus on product quality. Ability to collaborate with cross-functional teams. This role is based in Tallinn, Estonia.
Join Our Team as a Senior Analytics Engineer!Are you a passionate data expert eager to shape the future of mobility? We are seeking a talented and experienced Senior Analytics Engineer to enhance our Rides Product team. You will play a crucial role in delivering scalable and reusable high-quality data products and solutions, elevating the experience for millions of riders and drivers globally.Your contributions will significantly impact our organization by empowering teams with data-driven insights that drive product improvements and innovation.
Join our dynamic team as a Senior Full Stack Software Engineer in Tallinn. At Bolt, our engineering teams tackle exciting product challenges, including advanced algorithms for demand forecasting, optimal real-time pricing, routing, fraud detection, and the development of distributed systems, among others.As a Senior Full Stack Engineer, you will play a crucial role in architecting, designing, developing, and deploying both backend and frontend systems. Your expertise will primarily be applied through coding in Node.js and TypeScript, although prior experience with Node.js is not a requirement.
Join Creditstar Group, a dynamic and fast-growing international consumer finance company headquartered in Tallinn, Estonia, with operations spanning multiple European markets.As a forward-thinking financial technology firm, we leverage automated processes, sophisticated algorithms, and in-depth data analysis to provide accessible financial instruments to over 175 million individuals in our target regions. Our team is made up of ambitious professionals who prioritize innovation, operational efficiency, rapid growth, and exceptional performance. Discover more about us at www.creditstar.com.We envision a future where we create and deliver cutting-edge digital banking products. If you're eager to be part of this exciting journey, we invite you to explore this opportunity.
Join Wise as a Senior Software Engineer I in our Fincrime Requests team, where you'll play a crucial role in building and enhancing our systems to combat financial crime. You will work collaboratively with cross-functional teams to deliver innovative solutions, ensuring compliance with regulatory requirements while maintaining a seamless user experience.
Join our dynamic Engineering team at Veriff, where we are revolutionizing online identity verification. As a Senior Back-End Engineer in our Customer Portal team, you will play a pivotal role in developing and maintaining a comprehensive self-service platform utilized by thousands of SaaS and Enterprise customers. This vital product empowers users to procure, manage, and oversee their identity verification services seamlessly. You will be at the forefront of enhancing the customer experience, guiding clients through the entire SaaS customer lifecycle—from initial purchase to setup—while ensuring our Enterprise clients can manage their products efficiently.We are in search of a talented Senior Software Engineer who merges strong product-centric thinking with technical expertise. In this role, you will collaborate closely with stakeholders to create optimal experiences for our customers. We need a visionary leader who is eager to elevate the team and confront challenges with confidence. Embark on this thrilling journey with us!Your contributions will include:Designing, developing, and testing software applications or systems using Python and TypeScript.Producing high-quality, well-tested code utilizing modern abstractions and frameworks.Deepening your expertise in relevant product areas, codebase, and systems.Exhibiting strong skills in data analysis, programming, and software engineering.Collaborating with other teams to incorporate and share innovative solutions.Designing systems with scalability, maintainability, and product evolution in mind.Promoting quality and consistency through thorough code reviews aligned with established architectural principles.Identifying areas for improvement and driving necessary changes in codebases, products, or systems.Independently delivering new features to production through an iterative development process.Demonstrating a keen interest in leveraging AI to enhance and streamline daily development workflows.
The Engineering team at Veriff is dedicated to creating innovative software solutions that address online identity challenges effectively and at scale. We are on the lookout for a seasoned Senior Android Engineer who will play a pivotal role in developing a robust, secure, and high-performance SDK compatible with a diverse array of devices.As a Senior Android Engineer, you will be instrumental in crafting an SDK that not only meets the demands of our growing user base but also guarantees a seamless experience across both high-end and low-end devices. Your contributions will be vital in designing a lean, efficient, and scalable SDK that can be easily integrated with partner applications. This position requires your expertise in optimizing performance, enhancing security, and ensuring compatibility, ultimately helping Veriff lead the way in the digital identity verification sector.Your mission to help protect honest individuals online includes:Designing, developing, and maintaining our Android SDK, ensuring it delivers outstanding performance, security, and usability.Collaborating closely with cross-functional teams, including product managers, designers, and backend developers.Addressing compatibility and performance challenges across a wide range of devices, from entry-level to high-end models.Implementing continuous integration and deployment (CI/CD) processes to enhance development, testing, and release cycles.Conducting thorough code reviews and providing constructive feedback to nurture a culture of continuous learning and improvement.Staying abreast of industry trends and emerging technologies, integrating best practices and cutting-edge solutions into our SDK.Proactively identifying and resolving potential bottlenecks to ensure the highest reliability and stability.Contributing strategically to our Android development initiatives, driving innovation and shaping the future of Veriff's products and services.
Full-time|Remote|Tallinn, Spain (Remote), São Paulo
At Veriff, we empower businesses to connect with trustworthy individuals online through our advanced identity verification technology. We verify over 10,000 government-issued documents from more than 190 countries, scaling our operations rapidly. This translates to millions of verified identities annually, ensuring online safety for countless users globally. We are committed to setting a new standard for trust on the internet.As a Senior Software Engineer, you will play a pivotal role beyond coding; you will design scalable architectures, mentor emerging engineers, and significantly impact our business performance. We seek innovative problem solvers to help us achieve our goals.The Platform Area addresses cross-domain business requirements via a unified platform infrastructure. The advancement of the Veriff Platform is essential to our sustained success. This platform enables us to swiftly adapt our technology to the fast-paced identity verification landscape while meeting the demands of our teams and clients for innovative solutions. The Veriff platform presents numerous technical challenges and opportunities for scalability, which are critical to maintaining our leadership in the industry.
Join Speechify as a Senior Software Engineer specializing in Core Experiences. In this pivotal role, you'll lead the development of innovative software solutions that enhance user experiences. You will collaborate with cross-functional teams to design, implement, and optimize software for our platform, ensuring high performance and responsiveness.Your expertise will help us streamline our product offerings and contribute to the overall success of our mission to make reading accessible to everyone.
Role overview Wise is seeking a Senior Product Engineer in Tallinn to focus on the Rules Platform. This position involves designing, building, and maintaining software that supports Wise's products and shapes how users interact with them. The work aims to strengthen the platform and improve the overall product experience. What you will do Develop and maintain software solutions for the Rules Platform Collaborate with cross-functional teams to deliver improvements and introduce new features Optimize systems to enhance user experience Share ideas and technical expertise to help guide the evolution of the technology stack What we value Creative approaches to solving technical challenges Strong collaboration across teams and disciplines Dedication to maintaining high standards in software quality
Join Creditstar Group, a dynamic and fast-expanding international consumer finance firm headquartered in Tallinn, Estonia. We operate across various European markets, committed to making financial services accessible to over 175 million individuals through innovative technology.Our primary focus lies in developing the financial technology of tomorrow using cutting-edge automation, advanced algorithms, and insightful data analysis. Our team consists of driven professionals who prioritize innovation, efficiency, and exceptional performance. To learn more about us, visit www.creditstar.com.We envision a future where digital banking products enhance lives. If you are eager to contribute to this vision, we invite you to apply.YOUR POSITION: FULL STACK ENGINEERYOUR ROLE:We are in search of a solution-oriented individual who excels in communication and thrives in collaborative environments. As a Full Stack Engineer, you will engage in product and platform development, collaborating closely with our revolving credit product team to create new features, frameworks, and comprehensive application designs aligned with our company’s core architecture. You will also be responsible for developing and maintaining scalable software solutions and high-quality web platforms, emphasizing automation.YOUR DAILY ACTIVITIES INCLUDE:Designing and coding both backend and frontend systems.Addressing technical challenges and rectifying bugs.Adhering to and advancing coding standards and best practices.Conducting functionality testing and implementing automated tests.Defining and documenting technical solutions and best practices.REQUIREMENTS:Significant experience with modern PHP, showcasing the language's strengths.Strong analytical, problem-solving, and communication skills.A genuine passion for technology and coding.Previous experience with relational databases such as MySQL or PostgreSQL.A self-starter who flourishes in a fast-paced, results-driven environment and can work independently in a fully remote setup.A proactive ownership mindset—taking initiative, solving problems, and driving solutions forward.NICE TO HAVE:Experience with the Yii2 framework.Familiarity with NodeJS.Proficiency in React or other prominent JavaScript frameworks.A background in financial service development.Experience with distributed systems.A passion for optimization and automation excellence.TOOL STACK:PHP, Yii2, HTML/CSS, JavaScript, TypeScript, PostgreSQL.React, Node.js, jQuery.Docker.Atlassian products.Datadog, Sentry.AWS.Benefits: We offer a competitive salary and attractive benefits package.
Creditstar Group is an innovative and rapidly expanding international consumer finance company based in Tallinn, Estonia, with operations across various European markets.As a financial technology leader, we leverage automated processes, advanced algorithms, and comprehensive data analysis to provide accessible financial solutions to over 175 million individuals in our target markets. Our dynamic team is composed of driven professionals who prioritize innovation, efficiency, growth, and outstanding performance. To learn more about our organization, please visit www.creditstar.com.Join us in our mission to create and deliver next-generation digital banking products.POSITION OVERVIEW:SENIOR DATA ENGINEERROLE SUMMARY:As a Senior Data Engineer, you will play a pivotal role in shaping Creditstar’s data engineering strategy and will oversee the design, architecture, and implementation of scalable data solutions. You will collaborate closely with a team of data engineers, data scientists, analysts, and business stakeholders to ensure our data infrastructure supports advanced analytics, machine learning, and real-time decision-making.This role encompasses technical and leadership responsibilities; you will set industry standards, foster innovation, and guarantee the delivery of high-quality, reliable, and future-proof data systems.
The Engineering team at Veriff is dedicated to developing the innovative software that addresses the online identity crisis effectively and at scale. As we navigate a fast-paced and challenging market, we are excited to invite a talented Senior Software Engineer to join our Customer Portal team. This essential team is responsible for building and maintaining a robust self-service platform utilized by thousands of SaaS and Enterprise clients. Our product empowers customers to seamlessly procure, manage, and control their identity verification services efficiently within their daily operations.In this pivotal role, you will collaborate closely with stakeholders to ensure an exceptional experience for our users. We are not just looking for an engineer; we seek a visionary leader ready to elevate the team and tackle challenges head-on. Join us in this thrilling journey!Your contributions will include:Architecting a Multi-Product Engine: Transitioning from a single-product tool to a self-service platform catering to 10+ services, developing billing and configuration logic that enables customers to launch without manual assistance.Balancing Enterprise & Scale: Resolving the challenges between custom requirements of large accounts and a high-volume self-serve funnel, designing abstractions to meet complex SLAs while maintaining platform performance.Modernizing while Shipping: Strategically overhauling legacy systems to keep our core infrastructure contemporary and ensuring new features are delivered effectively.Engineering Cross-Team Alignment: Coordinating with Identity, Fraud, and Trust teams to ensure architectural consistency and code quality across all products in the portal.Amplifying Delivery with AI: Leading the initiative to integrate AI-enhanced workflows, transforming ambitious goals into tangible outcomes.
At TechBiz Global, we are dedicated to delivering exceptional recruitment services for our esteemed clients. We are currently on the lookout for a Senior Protocol Engineer to become a vital member of one of our client’s innovative teams. This is a fantastic opportunity for individuals looking to advance their careers in a cutting-edge environment.In this rol…
Join Bolt as a Senior Design System Engineer and play a pivotal role in shaping the technical architecture of our multi-platform design system. Collaborate closely with design system designers and platform engineering teams to elevate user interface development at Bolt.As part of our dynamic Web Architecture and Visual Experience (WAVE) team, you will drive core design system initiatives from an engineering perspective, ensuring our design foundations are scalable across all platforms and products. You will also contribute to the design system strategy, bringing engineering alignment and delivering high-quality code.Take ownership of significant projects that span multiple platforms and have the potential to transform how Bolt approaches the delivery of user interfaces. If you're passionate about accessibility, you will have the opportunity to influence product teams across Bolt to prioritize accessibility in their workflows and implement practical enhancements that benefit hundreds of millions of users.
The WowAs a Systems Engineer, you will play a vital role in managing and enhancing our corporate IT infrastructure, ensuring optimal performance both on-premises and in the cloud. You will collaborate with your team of Systems and DevOps Engineers to develop corporate services, improving operational best practices and driving innovation through modern technologies. Your expertise will help us address diverse business requirements across multiple locations, ensuring that our services are delivered professionally while optimizing costs. You are a proactive team player, capable of working independently, and are eager to share your knowledge and insights.A taster of what you will be involved with:Develop and maintain corporate infrastructure aligned with Betsson’s business goals.Create and update documentation, ensuring knowledge sharing through online tools.Oversee systems and service monitoring to ensure optimal performance.Drive continual improvement initiatives within the team.Provide technical expertise in the application of operational procedures.Assist in designing technical solutions to meet evolving business needs.Contribute to planning and executing maintenance and installation tasks.Identify operational challenges and collaborate on their resolution following established standards.Manage Betsson’s Cloud and On-Prem Infrastructure, including Active Directory and Office 365.Implement standardized procedures for system backups and data restoration.Serve as the primary contact for IT support, infrastructure projects, and vendor coordination.Take responsibility for the maintenance of all IT equipment within the office, including server rooms, UPS, meeting room AV setups, and mobile phones.Be available for on-call duties and shift work as required by business operations.
Lightspark is revolutionizing the global payment landscape by developing an open payment protocol for the Internet, enabling money to transfer as quickly and easily as data. Through our innovative enterprise tools such as Grid, Node, and Spark, businesses can facilitate instantaneous, secure money transactions at a significantly reduced cost, from anywhere in the world.Headquartered in Los Angeles, California, Lightspark is committed to pioneering the future of payments by harnessing the potential of the Bitcoin network and exploring the depths of the Lightning Network. Our mission is to create a secure and robust payment infrastructure that seamlessly connects traditional finance with cryptocurrency. This exciting role is part of Striga, a Lightspark company located in Tallinn, Estonia, where we are developing Lightspark's European payments platform to link fiat and crypto systems for efficient cross-border transactions.We are on the lookout for a Senior Fullstack Engineer who thrives in dynamic startup environments, relishes the challenge of rapid coding and deployment, and is eager to contribute to a culture of engineering excellence. As a key member of our Lightspark Payments Europe team, you will be responsible for designing, leading, and enhancing the user experience for our enterprise products, automating our Connect SDKs, and implementing new features for our APIs and websites.
Full-time|Remote|Tallinn, Spain (Remote), São Paulo
Join Veriff as we venture into the innovative realm of identity verification through agentic AI systems capable of reasoning, acting, and functioning securely in environments characterized by high trust.We are assembling a compact, high-impact team dedicated to exploring and operationalizing agentic capabilities across identity verification, know your audience (KYA), risk assessment, and automation workflows.As a Founding Software Engineer, you will play a pivotal role in developing this initiative from the ground up.You will contribute to safeguarding honest individuals online by:Designing and constructing agentic systems that can:Utilize various toolsReason through complex, multi-step workflowsFunction under stringent compliance and safety standardsPrototyping and deploying workflows powered by large language models (LLMs)Creating internal evaluation frameworks to ensure agent reliabilityDefining system architecture for scalable and secure AI servicesCollaborating closely with product, risk, and compliance teamsTransforming abstract ideas into functional systems
Wise is looking for a Senior Software Engineer to help improve the Screening Engine in Tallinn. This role centers on building and refining systems that support effective, reliable screening processes. What you will do Work on software development projects that strengthen and streamline the Screening Engine Collaborate with colleagues from different disciplines to design and deliver solutions Focus on performance, reliability, and usability in every aspect of your work Who you are Experienced in software engineering, with a track record of building dependable systems Comfortable working across teams to solve complex problems Motivated to keep systems efficient and user-friendly This position is based in Tallinn and centers on Wise’s Screening Engine platform.
At Modash, we believe that the world thrives on the creativity of independent storytellers. We are dedicated to empowering millions of creators to share their unique narratives online.Your role is crucial in helping creators earn a sustainable income.Modash is an innovative platform specializing in creator partnerships, designed to facilitate seamless collaborations between brands and creators across Instagram, TikTok, and YouTube. We are on the lookout for a Senior Product Engineer to enhance our creator discovery and management system. Join our dynamic team of approximately 20 engineers spread across four product teams as we tackle exciting challenges and expand our capabilities.Your Impact as a Senior Engineer at ModashAs a Senior Engineer, you won’t just write code; you will influence the core of our product.Address real-world challenges. Transform customer pain points into straightforward, effective solutions that brands and creators depend on daily.Takes ownership of results. From understanding the problem to designing solutions, developing, launching, and refining them in the live environment, you will take full responsibility.Make informed decisions. Base your choices on clarity rather than bias. Ask detailed questions, challenge norms, and select the best approach for each scenario—whether it’s rapid experimentation or robust engineering for scale.Sustain momentum. Don’t wait for ideal conditions; make informed decisions, involve your team when necessary, and ensure progress continues.Elevate team standards. Provide constructive feedback early and support your colleagues, striving for excellence in reasoning, quality, and decision-making.Our Technology StackWhile familiarity with our stack is advantageous, it is not mandatory. A willingness to learn and prepare for our interview process, which includes a practical coding task in Vue.js and Node.js, is all we require.Our current stack includes:Frontend: Vue.js 3 with PiniaBackend: Node.js with TypeScriptInfrastructure: AWS + Pulumi (Infrastructure as Code)Database: MongoDB, DynamoDBTooling: GitHub, Linear, NotionQualificationsTo excel in this role, you should possess:Extensive experience in developing and operating production systems - you understand the fundamentals of making software operational.A proactive approach to learning - whether it’s front-end, back-end, infrastructure, or new technologies.Strong analytical skills for crafting solutions - you can evaluate problems and respond effectively.
Bolt Technology OÜ serves over 200 million customers in more than 50 countries. The engineering team is focused on building reliable technology solutions at scale. Role overview This Senior QA Engineer - Mobile position centers on maintaining and improving product quality for Bolt’s mobile applications on both Android and iOS. The role calls for a detail-oriented approach and a strong commitment to delivering a seamless user experience. What you will do Work closely with Engineers, Designers, and Product Managers to define and maintain quality standards. Take ownership of the QA process for mobile products. Develop and apply effective testing methodologies to ensure product functionality. Help ensure a smooth experience for users across mobile platforms. Requirements Experience in quality assurance for mobile applications (Android and iOS). Strong attention to detail and a focus on product quality. Ability to collaborate with cross-functional teams. This role is based in Tallinn, Estonia.
Join Our Team as a Senior Analytics Engineer!Are you a passionate data expert eager to shape the future of mobility? We are seeking a talented and experienced Senior Analytics Engineer to enhance our Rides Product team. You will play a crucial role in delivering scalable and reusable high-quality data products and solutions, elevating the experience for millions of riders and drivers globally.Your contributions will significantly impact our organization by empowering teams with data-driven insights that drive product improvements and innovation.
Join our dynamic team as a Senior Full Stack Software Engineer in Tallinn. At Bolt, our engineering teams tackle exciting product challenges, including advanced algorithms for demand forecasting, optimal real-time pricing, routing, fraud detection, and the development of distributed systems, among others.As a Senior Full Stack Engineer, you will play a crucial role in architecting, designing, developing, and deploying both backend and frontend systems. Your expertise will primarily be applied through coding in Node.js and TypeScript, although prior experience with Node.js is not a requirement.
Join Creditstar Group, a dynamic and fast-growing international consumer finance company headquartered in Tallinn, Estonia, with operations spanning multiple European markets.As a forward-thinking financial technology firm, we leverage automated processes, sophisticated algorithms, and in-depth data analysis to provide accessible financial instruments to over 175 million individuals in our target regions. Our team is made up of ambitious professionals who prioritize innovation, operational efficiency, rapid growth, and exceptional performance. Discover more about us at www.creditstar.com.We envision a future where we create and deliver cutting-edge digital banking products. If you're eager to be part of this exciting journey, we invite you to explore this opportunity.
Join Wise as a Senior Software Engineer I in our Fincrime Requests team, where you'll play a crucial role in building and enhancing our systems to combat financial crime. You will work collaboratively with cross-functional teams to deliver innovative solutions, ensuring compliance with regulatory requirements while maintaining a seamless user experience.
Join our dynamic Engineering team at Veriff, where we are revolutionizing online identity verification. As a Senior Back-End Engineer in our Customer Portal team, you will play a pivotal role in developing and maintaining a comprehensive self-service platform utilized by thousands of SaaS and Enterprise customers. This vital product empowers users to procure, manage, and oversee their identity verification services seamlessly. You will be at the forefront of enhancing the customer experience, guiding clients through the entire SaaS customer lifecycle—from initial purchase to setup—while ensuring our Enterprise clients can manage their products efficiently.We are in search of a talented Senior Software Engineer who merges strong product-centric thinking with technical expertise. In this role, you will collaborate closely with stakeholders to create optimal experiences for our customers. We need a visionary leader who is eager to elevate the team and confront challenges with confidence. Embark on this thrilling journey with us!Your contributions will include:Designing, developing, and testing software applications or systems using Python and TypeScript.Producing high-quality, well-tested code utilizing modern abstractions and frameworks.Deepening your expertise in relevant product areas, codebase, and systems.Exhibiting strong skills in data analysis, programming, and software engineering.Collaborating with other teams to incorporate and share innovative solutions.Designing systems with scalability, maintainability, and product evolution in mind.Promoting quality and consistency through thorough code reviews aligned with established architectural principles.Identifying areas for improvement and driving necessary changes in codebases, products, or systems.Independently delivering new features to production through an iterative development process.Demonstrating a keen interest in leveraging AI to enhance and streamline daily development workflows.
The Engineering team at Veriff is dedicated to creating innovative software solutions that address online identity challenges effectively and at scale. We are on the lookout for a seasoned Senior Android Engineer who will play a pivotal role in developing a robust, secure, and high-performance SDK compatible with a diverse array of devices.As a Senior Android Engineer, you will be instrumental in crafting an SDK that not only meets the demands of our growing user base but also guarantees a seamless experience across both high-end and low-end devices. Your contributions will be vital in designing a lean, efficient, and scalable SDK that can be easily integrated with partner applications. This position requires your expertise in optimizing performance, enhancing security, and ensuring compatibility, ultimately helping Veriff lead the way in the digital identity verification sector.Your mission to help protect honest individuals online includes:Designing, developing, and maintaining our Android SDK, ensuring it delivers outstanding performance, security, and usability.Collaborating closely with cross-functional teams, including product managers, designers, and backend developers.Addressing compatibility and performance challenges across a wide range of devices, from entry-level to high-end models.Implementing continuous integration and deployment (CI/CD) processes to enhance development, testing, and release cycles.Conducting thorough code reviews and providing constructive feedback to nurture a culture of continuous learning and improvement.Staying abreast of industry trends and emerging technologies, integrating best practices and cutting-edge solutions into our SDK.Proactively identifying and resolving potential bottlenecks to ensure the highest reliability and stability.Contributing strategically to our Android development initiatives, driving innovation and shaping the future of Veriff's products and services.
Full-time|Remote|Tallinn, Spain (Remote), São Paulo
At Veriff, we empower businesses to connect with trustworthy individuals online through our advanced identity verification technology. We verify over 10,000 government-issued documents from more than 190 countries, scaling our operations rapidly. This translates to millions of verified identities annually, ensuring online safety for countless users globally. We are committed to setting a new standard for trust on the internet.As a Senior Software Engineer, you will play a pivotal role beyond coding; you will design scalable architectures, mentor emerging engineers, and significantly impact our business performance. We seek innovative problem solvers to help us achieve our goals.The Platform Area addresses cross-domain business requirements via a unified platform infrastructure. The advancement of the Veriff Platform is essential to our sustained success. This platform enables us to swiftly adapt our technology to the fast-paced identity verification landscape while meeting the demands of our teams and clients for innovative solutions. The Veriff platform presents numerous technical challenges and opportunities for scalability, which are critical to maintaining our leadership in the industry.
Join Speechify as a Senior Software Engineer specializing in Core Experiences. In this pivotal role, you'll lead the development of innovative software solutions that enhance user experiences. You will collaborate with cross-functional teams to design, implement, and optimize software for our platform, ensuring high performance and responsiveness.Your expertise will help us streamline our product offerings and contribute to the overall success of our mission to make reading accessible to everyone.
Role overview Wise is seeking a Senior Product Engineer in Tallinn to focus on the Rules Platform. This position involves designing, building, and maintaining software that supports Wise's products and shapes how users interact with them. The work aims to strengthen the platform and improve the overall product experience. What you will do Develop and maintain software solutions for the Rules Platform Collaborate with cross-functional teams to deliver improvements and introduce new features Optimize systems to enhance user experience Share ideas and technical expertise to help guide the evolution of the technology stack What we value Creative approaches to solving technical challenges Strong collaboration across teams and disciplines Dedication to maintaining high standards in software quality
Join Creditstar Group, a dynamic and fast-expanding international consumer finance firm headquartered in Tallinn, Estonia. We operate across various European markets, committed to making financial services accessible to over 175 million individuals through innovative technology.Our primary focus lies in developing the financial technology of tomorrow using cutting-edge automation, advanced algorithms, and insightful data analysis. Our team consists of driven professionals who prioritize innovation, efficiency, and exceptional performance. To learn more about us, visit www.creditstar.com.We envision a future where digital banking products enhance lives. If you are eager to contribute to this vision, we invite you to apply.YOUR POSITION: FULL STACK ENGINEERYOUR ROLE:We are in search of a solution-oriented individual who excels in communication and thrives in collaborative environments. As a Full Stack Engineer, you will engage in product and platform development, collaborating closely with our revolving credit product team to create new features, frameworks, and comprehensive application designs aligned with our company’s core architecture. You will also be responsible for developing and maintaining scalable software solutions and high-quality web platforms, emphasizing automation.YOUR DAILY ACTIVITIES INCLUDE:Designing and coding both backend and frontend systems.Addressing technical challenges and rectifying bugs.Adhering to and advancing coding standards and best practices.Conducting functionality testing and implementing automated tests.Defining and documenting technical solutions and best practices.REQUIREMENTS:Significant experience with modern PHP, showcasing the language's strengths.Strong analytical, problem-solving, and communication skills.A genuine passion for technology and coding.Previous experience with relational databases such as MySQL or PostgreSQL.A self-starter who flourishes in a fast-paced, results-driven environment and can work independently in a fully remote setup.A proactive ownership mindset—taking initiative, solving problems, and driving solutions forward.NICE TO HAVE:Experience with the Yii2 framework.Familiarity with NodeJS.Proficiency in React or other prominent JavaScript frameworks.A background in financial service development.Experience with distributed systems.A passion for optimization and automation excellence.TOOL STACK:PHP, Yii2, HTML/CSS, JavaScript, TypeScript, PostgreSQL.React, Node.js, jQuery.Docker.Atlassian products.Datadog, Sentry.AWS.Benefits: We offer a competitive salary and attractive benefits package.
Creditstar Group is an innovative and rapidly expanding international consumer finance company based in Tallinn, Estonia, with operations across various European markets.As a financial technology leader, we leverage automated processes, advanced algorithms, and comprehensive data analysis to provide accessible financial solutions to over 175 million individuals in our target markets. Our dynamic team is composed of driven professionals who prioritize innovation, efficiency, growth, and outstanding performance. To learn more about our organization, please visit www.creditstar.com.Join us in our mission to create and deliver next-generation digital banking products.POSITION OVERVIEW:SENIOR DATA ENGINEERROLE SUMMARY:As a Senior Data Engineer, you will play a pivotal role in shaping Creditstar’s data engineering strategy and will oversee the design, architecture, and implementation of scalable data solutions. You will collaborate closely with a team of data engineers, data scientists, analysts, and business stakeholders to ensure our data infrastructure supports advanced analytics, machine learning, and real-time decision-making.This role encompasses technical and leadership responsibilities; you will set industry standards, foster innovation, and guarantee the delivery of high-quality, reliable, and future-proof data systems.
The Engineering team at Veriff is dedicated to developing the innovative software that addresses the online identity crisis effectively and at scale. As we navigate a fast-paced and challenging market, we are excited to invite a talented Senior Software Engineer to join our Customer Portal team. This essential team is responsible for building and maintaining a robust self-service platform utilized by thousands of SaaS and Enterprise clients. Our product empowers customers to seamlessly procure, manage, and control their identity verification services efficiently within their daily operations.In this pivotal role, you will collaborate closely with stakeholders to ensure an exceptional experience for our users. We are not just looking for an engineer; we seek a visionary leader ready to elevate the team and tackle challenges head-on. Join us in this thrilling journey!Your contributions will include:Architecting a Multi-Product Engine: Transitioning from a single-product tool to a self-service platform catering to 10+ services, developing billing and configuration logic that enables customers to launch without manual assistance.Balancing Enterprise & Scale: Resolving the challenges between custom requirements of large accounts and a high-volume self-serve funnel, designing abstractions to meet complex SLAs while maintaining platform performance.Modernizing while Shipping: Strategically overhauling legacy systems to keep our core infrastructure contemporary and ensuring new features are delivered effectively.Engineering Cross-Team Alignment: Coordinating with Identity, Fraud, and Trust teams to ensure architectural consistency and code quality across all products in the portal.Amplifying Delivery with AI: Leading the initiative to integrate AI-enhanced workflows, transforming ambitious goals into tangible outcomes.
