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Experience Level
Senior
Qualifications
Bachelor's degree in Computer Science or a related field. Over 5 years of solid development experience in Node.js and TypeScript. Deep understanding of asynchronous programming techniques. Proficient with messaging systems such as Kafka or RabbitMQ. Experience in building and maintaining distributed systems. Familiarity with various database systems including RDBMS (MySQL, PostgreSQL), CDBMS (Redshift, ClickHouse), and NoSQL (DynamoDB, MongoDB). Skilled in writing end-to-end and unit tests. Proven track record of delivering production-ready solutions. Hands-on experience with Kubernetes.
About the job
Join Playson - a premier online gaming supplier recognized globally since our inception in 2012. As part of our dedicated promotional features team, we are looking for a Senior Backend Engineer with extensive expertise in Node.js. This pivotal position focuses on the development and enhancement of promotional features for our innovative gaming platforms, prioritizing performance, scalability, and state-of-the-art solutions.
If you're passionate about product development, excel at tackling complex technical challenges, and possess a rapid 'Proof of Concept' mindset coupled with a strong sense of ownership, we want to hear from you!
About Playson
Playson is a leading online gaming provider that has achieved global recognition for its innovative gaming solutions since 2012. We pride ourselves on our creative approach to game development and our commitment to delivering exceptional gaming experiences.
Join AppFollow, a leading App review management and ASO platform dedicated to empowering app developers and product teams.We aim to simplify the daily tasks of app developers, product managers, marketing teams, and customer support professionals. AppFollow enables the collection and management of app and game data, boosts app ratings, enhances store rankings…
Join Playson - a premier online gaming supplier recognized globally since our inception in 2012. As part of our dedicated promotional features team, we are looking for a Senior Backend Engineer with extensive expertise in Node.js. This pivotal position focuses on the development and enhancement of promotional features for our innovative gaming platforms, prioritizing performance, scalability, and state-of-the-art solutions.If you're passionate about product development, excel at tackling complex technical challenges, and possess a rapid 'Proof of Concept' mindset coupled with a strong sense of ownership, we want to hear from you!
Join Our Team!At Ruby Labs, we are at the forefront of technology, creating and managing groundbreaking consumer products that redefine the way we engage with health, education, and entertainment. Our dynamic and innovative teams are shaping the future of consumer-centric solutions. If you’re passionate about technology and eager to make an impact, we invite you to explore our story here.Your RoleWe are seeking a talented Senior Backend Engineer who will be instrumental in designing, developing, and scaling the backend systems that support our AI product Use.ai. This position offers significant ownership and the opportunity to tackle complex distributed systems challenges, while ensuring the delivery of features and infrastructure excellence. Collaborate closely with our development team to maintain high standards of quality and alignment across projects.Key ResponsibilitiesDevelop and implement new backend features with an emphasis on scalability, performance, and reliability.Optimize and enhance existing services and infrastructure.Design, deploy, and manage backend services across AWS, Cloudflare, and other platforms.Utilize tools like Sentry and OpenTelemetry for monitoring and observability improvements.Address and resolve production issues within distributed systems.Write clean, maintainable code that adheres to SOLID principles and best practices.Lead investigations into incidents, perform root cause analyses, and enhance system reliability.Contribute to architectural decisions, documentation, and infrastructure planning.Foster open communication and uphold a culture of ownership and delivery.
Join Playson, a premier online gaming supplier established in 2012, recognized globally for our innovative gaming solutions tailored for leading iGaming operators. We leverage cutting-edge technology and comprehensive market insights to deliver exceptional products.We are in search of a dedicated Senior Front-End JavaScript Game Developer who is passionate about creating high-performance games and is eager to contribute fresh ideas while focusing on scalability. This role is ideal for a committed developer ready to engage with game engines and spearhead new feature development.
Exciting Opportunity for a Remote Front End DeveloperJoin our innovative team at nrb as a Front End Developer, where you will play a crucial role in crafting outstanding user experiences for our applications. We are on the lookout for a passionate individual who possesses a strong foundation in modern web technologies.Key Responsibilities include:Utilizing your expertise in Angular and TypeScript to develop high-quality user interfaces.Implementing Angular Material components to enhance the user experience.Applying basic DevOps practices to streamline code delivery and manage pipelines.Knowledge of the Commission eUI framework and familiarity with Kubernetes or containers is a plus.This role offers the opportunity to work on both legacy and new applications, providing a diverse and engaging work environment. We value hands-on developers who are committed to coding rather than focusing solely on management or architectural duties.Eligibility for EU security clearance is a requirement.
Join our dynamic team at ruby-labs as a Senior UI/UX Developer with a focus on Artificial Intelligence. In this role, you will leverage your extensive experience in user interface and user experience design to create innovative solutions that enhance user interactions. Your expertise in AI technologies will be essential as we develop cutting-edge applications that push the boundaries of what's possible.
About UsAt Ruby Labs, we are at the forefront of technology, developing and managing cutting-edge consumer products. Our portfolio spans various sectors, including health, education, and entertainment, providing numerous opportunities for innovation and creativity. We are passionate about creating products that enhance the lives of consumers and are constantly seeking enthusiastic individuals to join our dynamic team. Discover more about our journey and mission at Ruby Labs.About the RoleWe are currently seeking a talented Lead React Native Developer to join our expanding engineering team. In this pivotal role, you will be responsible for spearheading our mobile initiatives, focusing on product quality and tackling architectural challenges. You will have the opportunity to take ownership of critical features that our users depend on, while significantly contributing to the enhancement and scalability of our mobile applications.Your expertise will be instrumental in shaping the future of our mobile offerings, collaborating with backend and product teams to ensure a seamless, high-performance user experience.Key ResponsibilitiesOversee the development and launch of new mobile product features.Enhance and maintain the existing React Native codebase to ensure optimal performance and stability.Define and evolve mobile architecture, system design, and technical strategies.Collaborate with backend, product, and design teams to create scalable solutions.Establish reliability, performance, and observability standards for mobile applications.Manage production debugging, incident investigations, and root cause analyses.Facilitate improvements in build systems, CI/CD processes, releases, testing, and app store submissions.Mentor junior engineers and cultivate a culture of quality, accountability, and excellence.Support recruitment efforts to build a top-tier mobile engineering team.Champion performance optimizations across various metrics including rendering, navigation, and offline capabilities.Lead with a focus on accountability for failure scenarios, API degradation, user recovery experiences, and resilience.Qualifications5+ years of experience in mobile application development, with a strong focus on React Native.2+ years in a technical leadership or lead developer role.Proficient in mobile architecture, design patterns, and best practices.Experience with CI/CD tools and automated testing frameworks.Strong problem-solving skills with a passion for coding and software design.Excellent communication skills, both verbal and written.
About lemlistAt lemlist, we are dedicated to empowering businesses around the globe with our innovative B2B SaaS solutions aimed at facilitating growth.Currently, we are generating over $43M in Annual Recurring Revenue (ARR) while maintaining:A bootstrapped modelStrong profitabilityA nimble team of 140 talented individuals, thriving in a remote-friendly environmentOwnership by our founder and entrepreneur, Guillaume Moubeche, ensuring we retain the freedom to innovateWe operate across two primary business lines:Sales Engagement through our flagship product lemlist, contributing $38M ARR with over 40% growth year-on-yearPersonal Branding via Taplio & Tweet Hunter, which generates $5M ARROur ambition is to establish lemlist as a leader in the Sales Tech industry, and we live by our mantra: Keep growing.Job DescriptionWe are on the lookout for a Senior Fullstack TypeScript Developer to become part of our dynamic team. Your role will involve designing and implementing cutting-edge features for our SaaS offerings. We desire an individual who is self-driven, passionate about technology, and thrives on tackling complex challenges.Your Responsibilities Include:Crafting and developing innovative features from the ground up, encompassing both frontend and backend aspects, with a focus on enhancing user experience and product capabilities.Assuming the role of technical lead within your team, promoting excellence and establishing best practices.Refining the codebase through systematic refactoring, debugging, and performance optimization.Managing multiple projects concurrently with agility and efficiency.Providing technical support to the customer service team by resolving technical issues promptly and effectively.Fostering knowledge sharing and capacity building by mentoring fellow developers to elevate the overall team skillset and productivity.Key Outcomes ExpectedWithin the first 3 months, you will achieve:A successful onboarding experience and seamless integration into the team.An in-depth understanding of our B2B SaaS products and their technical requirements.
About UsRuby Labs is an innovative technology company dedicated to developing and managing cutting-edge consumer products that span the health, education, and entertainment sectors. Our dynamic teams are at the forefront of consumer-driven solutions, and we are on the lookout for enthusiastic professionals to join our journey. Discover more about our mission and vision at: https://rubylabs.com/about-us/About the RoleWe are seeking a Senior Full-Stack Software Developer to join one of Ruby Labs' portfolio companies. This role involves designing and implementing robust user interfaces utilizing pre-built component libraries. It is tailored for developers who excel in structured environments, have a knack for translating design specifications into efficient, scalable code, and are committed to creating seamless, user-friendly experiences. If you thrive in a results-oriented atmosphere and take pride in delivering intuitive, scalable UI without ambiguity in design, this position is for you.Key ResponsibilitiesFrontend DevelopmentCraft high-quality user interfaces with Next.js, React, and TypeScript, utilizing libraries like NextJS, HeroUI, and Tailwind CSS.Produce clean, scalable, and maintainable code, ensuring optimal performance and responsiveness across various browsers and devices.Develop and maintain reusable frontend components.Backend DevelopmentBuild robust backend services and high-quality applications using Node.js (with Nest.js).Write clean, efficient, and scalable backend code.Design and optimize database schemas and queries for performance and scalability.UI Implementation & Design IntegrationAccurately convert design wireframes and layouts into functioning frontend implementations.Maintain consistency, usability, and accessibility across all UI implementations.Enhance interfaces for maximum performance and user satisfaction.Collaboration & ProcessWork closely with cross-functional teams to ensure seamless project delivery and integration.
About UsAt gitbook, we are dedicated to creating the premier platform for authoring, publishing, and maintaining exceptional documentation. With nearly 40,000 new sign-ups monthly and over 100,000 Monthly Active Users, our platform is utilized by more than 2 million individuals and numerous teams, including industry leaders such as Zoom, FedEx, Nvidia, Snyk, and Google. Proudly profitable and supported by P9 Capital, Notion Capital, and Fly VC, our diverse team operates across 15 countries in North America, Europe, and Asia.The PositionWe are seeking our inaugural Business Development Representative (BDR) to enhance our enterprise pipeline. In this pivotal role, you will connect with key organizations, initiate dialogues with decision-makers, and contribute significantly to our revenue expansion.Your ResponsibilitiesIdentify and engage prospective clients that match our ideal customer profile, focusing on tech and fintech companies with over 500 employees.Utilize email, LinkedIn, phone, and community channels to initiate meaningful conversations rather than spam.Collaborate with Account Executives to craft customized outreach campaigns and account strategies.Manage the early phases of the sales cycle, including discovery, qualification, and handoff.Experiment with new outreach channels and messaging to establish a repeatable outbound strategy.Ideal Candidate ProfilePossess 1–2 years of experience in BDR/SDR or growth-oriented roles within the SaaS industry.Enjoy experimenting and iterating quickly, prioritizing results over strict playbooks.Demonstrate clear and curious communication skills.Be proficient with tools such as HubSpot, Amplemarket, and LinkedIn Sales Navigator.Thrive in a dynamic startup environment where ownership and rapid learning are encouraged. Join GitBook at a crucial juncture as we refine our product and team. This is your opportunity to influence our product, culture, and overall direction.
We are on the lookout for a Technical Leader to join our dynamic Platform Tribe and spearhead the development of our innovative solutions, where every millisecond counts. Our challenges are complex as we strive to deliver exceptional results across all critical technical dimensions:Optimal availability,Minimal latency in transaction processing across all microservices,Highly efficient resource utilization.If you are passionate about product development, enjoy tackling intricate engineering challenges, and adopt a rapid
Please note: This is a fully remote position; however, candidates must reside in Europe and possess native-level proficiency in Spanish to effectively engage with colleagues and clients. Only apply if you are physically located within Europe.Join Hostaway, the leading SaaS innovator revolutionizing the vacation rental sector. We collaborate with industry giants like Airbnb, VRBO, and Booking.com to enhance our competitive edge. With a strong focus on customer-centric values, we consistently deliver results that foster growth, learning, and innovation among our team members and clients.As a profitable, high-growth company and the first unicorn in the short-term rental PMS space , we invite you to be part of our most exciting chapter! Discover more about our journey and recent valuation here.We are looking for a highly motivated Sales Development Representative (SDR) to join our dynamic team and spearhead our expansion in the Spanish-speaking market. If you are a passionate and driven sales professional eager to make an impact, we want to hear from you!
Established in 2012, Playson stands as a premier iGaming provider with a global footprint, delivering an advanced micro-service-based platform designed to manage billions of financial transactions daily. Our infrastructure is cross-regional, and we strive to minimize latency to the absolute lowest possible levels. We are committed to providing an unparalleled gaming experience and seamless connectivity, irrespective of clients' internet coverage and bandwidth.Position Overview:We seek a passionate Senior Backend Engineer to join our Platform Tribe and spearhead the development of our state-of-the-art solutions, where every millisecond counts. Our challenges are complex as we strive for excellence across key technical dimensions:Optimal availability,Minimizing latency in all transaction processing and micro-services,Maximizing resource efficiency.If you are motivated by product innovation, have a knack for solving intricate engineering problems, and possess a rapid
Join Our Team as a Senior Fullstack Engineer!At Zartis, we are a pioneering digital solutions provider specializing in technology strategy, software engineering, and product development. Our mission is to empower businesses across various sectors, including financial services, MedTech, media, logistics technology, renewable energy, EdTech, and e-commerce.With engineering hubs located in EMEA and LATAM, we are committed to delivering exceptional digital solutions that drive business success. Our talented professionals excel in application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.We are currently seeking a Senior Fullstack Engineer to contribute to a transformative project in the financial sector. You will be part of a diverse and inclusive team that prioritizes trust and innovation while working with leading nutritional clients to offer a wide array of investment and advisory services.About the Project:Our client is on a mission to modernize and scale their digital platforms, placing technology at the core of providing secure and high-quality financial services. You will collaborate with a distributed team to develop cutting-edge technologies that address real business challenges. Strong communication skills and experience in building software from the ground up will be essential for this role.Key Responsibilities:- Collaborate closely with business users, vendors, and stakeholders to design solutions that meet both functional and non-functional requirements. Create and maintain comprehensive project documentation including business requirements and design documents.- Lead the design and implementation of new components and features, managing key tasks and providing regular updates to stakeholders.- Work with the testing team to ensure all solutions are thoroughly tested, including the creation and execution of automated test scripts. Assess new technologies and third-party solutions.- Collaborate with existing and new vendors to integrate third-party solutions effectively.
Playson is a prominent online gaming provider, established in 2012, renowned for delivering comprehensive gaming solutions that leverage cutting-edge technologies and in-depth market insights tailored for top-tier iGaming operators.We are currently on the lookout for a Senior Full-Stack Engineer to join our promotional features team. This role is ideal for someone with a strong backend focus (Node.js/TypeScript) while also possessing confidence in frontend technologies (React). You'll be responsible for designing, building, and refining features that are not only robust and scalable but also a delight for users.If you are passionate about products, eager to tackle complex engineering challenges, and have a rapid 'Proof of Concept first' mindset with a strong sense of ownership, we would love to connect with you.Key Responsibilities:Craft, develop, and sustain backend services for promotional features utilizing Node.js/TypeScript.Create and enhance the frontend UI in React (with Redux or modern state management), prioritizing usability and performance.Optimize existing architectures for high throughput, minimal latency, and exceptional scalability.Guide technical decisions, contributing to the advancement of our SaaS solutions and platform evolution.Collaborate with a diverse, cross-functional team and proactively suggest improvements.Uphold code and architectural excellence through code reviews, best practices in the software development lifecycle, and automation.Ensure quality by writing unit, integration, and end-to-end tests; and drive observability and performance metrics.Participate in on-call rotations to maintain system reliability and availability.
Join Playson, a premier online gaming supplier, established in 2012 and recognized globally for our innovative gaming solutions. We empower leading iGaming operators with cutting-edge technologies and in-depth market insights.As we continue to expand, we are on the lookout for a Technical Support Specialist with a solid background to become a part of our Integration Department.In this role, you will deliver comprehensive customer support services for our partners' integrations, ensuring seamless experiences.
Join lemon.markets as a DevSecOps Engineer! At lemon.markets, we are revolutionizing investment accessibility across Europe. Our mission is to empower individuals and businesses to seamlessly engage with capital markets. By providing our Brokerage-as-a-Service platform, we enable FinTech companies, banks, and wealth managers to offer innovative investment solutions, enhancing financial well-being for their clients.Our API-first infrastructure simplifies the process of launching investment products. We handle the complexities for our partners through comprehensive documentation, a self-service customer operations portal, and adherence to regulatory frameworks, allowing them to launch in mere weeks.We know firsthand the challenges within brokerage infrastructure. Historically, creating investment products has been costly and complex. We alleviate these challenges, making investing accessible and straightforward for everyone, while attracting top talent to tackle the hardest problems.Your Role:As a DevSecOps Engineer, you will spearhead the design, guidance, and automation of our cloud infrastructure security, delivering robust, secure, and scalable solutions. You will proactively develop strategies to integrate security into everything we do at lemon.markets.Your responsibilities will include enhancing our brokerage API offerings, enabling companies to effortlessly embed brokerage services into their existing products, and improving our Trading API Product to establish it as the premier trading API for developers.
Join Playson, a leading gaming software provider, as an Account Manager focusing on the Greek markets. In this role, you will be instrumental in building and maintaining strong relationships with clients, driving business growth, and ensuring customer satisfaction.Your key responsibilities will include developing strategic plans to enhance client engagement, coordinating with various teams to deliver exceptional service, and analyzing market trends to identify opportunities for expansion.
Join lemlist as a Partnerships Manager, where you'll play a pivotal role in expanding our influence in the US and UK markets. Your mission will be to build and nurture strategic partnerships that drive growth and enhance our brand presence.In this dynamic position, you will collaborate closely with cross-functional teams to identify potential partners, negotiate agreements, and ensure successful implementation of partnership initiatives. Your keen understanding of market trends and relationship-building skills will be essential as you work to create win-win scenarios for both lemlist and our partners.
Senior Full Stack Engineer (Java & Angular) , Zartis, European Union About Zartis Zartis partners with organizations across the globe to deliver technology solutions that make a real difference. Our teams specialize in AI-driven platforms, secure APIs, and cloud-native engineering. With engineering hubs across EMEA and LATAM, we work with clients in financial services, healthcare, life sciences, and energy. Engineers at Zartis collaborate on projects from strategy through delivery, helping clients adopt advanced technologies and solve complex challenges. The company values an inclusive culture where trust and innovation guide the way forward. Role Overview This Senior Full Stack Engineer role focuses on a fintech project. The team is distributed and values diverse backgrounds. The work centers on developing financial process automation tools that improve productivity, reduce costs, and support regulatory compliance. What You Will Do Design, build, and deploy scalable full-stack applications using Java (Spring Boot) on the backend and AngularJS on the frontend. Work hands-on across the stack, including Node.js services and cloud-native integrations. Act as a technical leader, mentoring and guiding engineers within the team. Collaborate with stakeholders to define architecture, technical direction, and best practices. Promote high engineering standards through code reviews, testing, and CI/CD processes. Support the ongoing migration from Azure to AWS, working closely with stakeholders. Identify and implement improvements to system performance, scalability, and reliability. Make key technical decisions aligned with long-term product and platform goals. What We’re Looking For Extensive experience in full-stack software development, especially with Java and Spring Boot. Track record of building scalable applications and leading technical projects. Strong communication skills and ability to collaborate with diverse teams. Attention to detail and strong problem-solving abilities.
