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Senior Full Stack Engineer Platform jobs in Sofia· Page 12

Results 221–240 of 256 for “Senior Full Stack Engineer Platform” in Sofia.

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Redis Ltd. logo
Full-time|On-site|Bulgaria

About UsAt Redis, we're transforming the way applications deliver speed and simplicity across the globe. Our innovative technology powers the fast apps that you rely on every day—whether checking your flight status or making a credit card transaction, Redis is behind the scenes ensuring a seamless experience. Join us in our mission to create a faster world w…

Aug 21, 2025
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Redis Labs, Inc. logo
Full-time|On-site|Bulgaria

About UsAt Redis, we are the creators of the fastest applications that power the digital world. Whether you’ve checked the weather, made a purchase, or tracked your flight status today, our technology is behind it. Join us in transforming the future with rapid and seamless experiences. Are you ready to be part of this journey?Why You Will Love Working HereAs the Software Engineering Team Lead within our AI and Search department, you will play a pivotal role in guiding the direction of Redis' AI and Search innovations. Lead a passionate team that drives Redis' Search capabilities, including real-time full-text search, vector similarity, and cutting-edge retrieval mechanisms.This role is integral to our next-generation data platform, where performance, scalability, and creativity converge.Your ResponsibilitiesLead a high-performing engineering team while engaging hands-on in the design and implementation processes.Provide technical guidance in systems-level development using C, C++, and Rust.Enhance Redis’ AI and Search functionalities, focusing on vector search, hybrid retrieval, and semantic caching.Design, oversee, and continuously improve CI/CD workflows to ensure rapid and quality releases.Manage incident responses and customer interactions for production issues, ensuring quick resolutions and implementing process improvements.Collaborate effectively with Core, Cloud, Product, and Support teams.Establish engineering standards focused on performance, reliability, testing, and operational excellence.Recruit, mentor, and nurture engineers, promoting a culture of ownership and ongoing development.

Feb 20, 2026
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Speechify logo
Full-time|On-site|Sofia, Bulgaria

Speechify seeks an iOS Core Product Software Engineer to join the team in Sofia, Bulgaria. This position centers on building and refining iOS app features that help users engage with text in new ways. Collaboration is a key part of the role, with regular work alongside designers, product managers, and fellow engineers to shape and improve the product experience. What you will do Develop and enhance features for Speechify’s core iOS applications Partner with design, product, and engineering teams to deliver polished user experiences Improve app performance and overall usability Requirements Background in iOS mobile development Keen attention to detail Interest in creating technology that changes how people read and interact with text This role is based in Sofia, Bulgaria.

Apr 25, 2026
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Tietoevry logo
Full-time|On-site|Sofia

Tieto Tech Consulting seeks a Power BI Engineer based in Sofia. The main goal of this position is to transform data into useful insights that help guide business decisions and make team operations more effective. Role overview This role centers on designing and building Power BI solutions. The work involves creating dashboards and reports that present complex information in a clear, accessible way for different teams across the company. What you will do Develop Power BI solutions tailored to business needs Translate data into actionable insights for decision-makers Support teams by improving how information is presented and used

Apr 21, 2026
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Tietoevry logo
Full-time|On-site|Sofia

Role overview The Power BI Engineer at Tieto Tech Consulting will focus on creating and maintaining business intelligence solutions that help transform data into useful insights. The role plays a key part in supporting the company's analytics and reporting needs. What you will do Collaborate with teams throughout the organization to design and develop business intelligence solutions using Power BI Maintain and enhance existing dashboards and reports to ensure accuracy and relevance Deliver reliable analytics to support informed, data-driven decision-making Location This position is based in Sofia.

Apr 21, 2026
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ARHS Group logo
Full-time|On-site|Sofia

ARHS Group, a prominent member of Accenture, is in search of a talented Automation Test Engineer to join our dynamic software development team in Sofia, Bulgaria. In this role, you will play a pivotal part in the development of a large-scale, high-profile platform that prioritizes performance, availability, and scalability, adeptly managing a substantial volume of documents within a distributed cloud-based environment.YOUR ROLE:As a Test Analyst, your responsibilities will include:Designing comprehensive test plans and test data for functional and integration testing in alignment with business and technical requirements.Crafting test plans for usability and performance testing based on non-functional criteria.Executing test cases, overseeing various test sessions, reporting issues, and conducting quality checks post-resolution.Analyzing, identifying, and executing regression tests to verify that code updates do not adversely impact existing features.Reviewing specifications, test scenarios, scripts, and data developed by team members.Documenting testing activities, including:Test plans and traceability matricesDaily test session reportsFinal test reports at the end of test sessionsDaily monitoring and follow-up on quality assurance metrics.As an Automation Test Engineer, your duties will encompass:Implementing functional automated tests using Selenium for front-end applications.Creating automated tests using JUnit for back-end applications.Conducting API tests using Postman for back-end services.Carrying out performance tests with Locust.Supporting application releases by monitoring automated test execution for stability.Integrating automated tests within CI/CD pipelines.Maintaining and enhancing the existing automated test suite.We believe in fostering collaboration, learning, and relationship-building among clients, colleagues, and communities, which is why our roles require in-person engagement. We strive to offer flexibility to accommodate your specific work-life needs.

May 8, 2025
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CyberArk Software Ltd. logo
Full-time|On-site|Sofia

Join CyberArk, a leading provider of identity security solutions, as a Staff Software Engineer specializing in Secure AI agents. In this pivotal role, you will leverage your expertise to develop cutting-edge AI-driven security solutions that safeguard enterprises against emerging threats. You will work collaboratively within an innovative team, contributing to the design and implementation of secure software applications that enhance our product offerings.

Mar 19, 2026
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Kaizen Gaming logo
Full-time|Hybrid|Sofia, Bulgaria

Join Our Team at Kaizen Gaming!At Kaizen Gaming, the driving force behind Betano, we proudly stand as one of the largest GameTech companies globally, with operations in over 20 markets. Our mission is to harness cutting-edge technology to deliver exceptional entertainment experiences to our millions of satisfied customers.Our diverse workforce boasts more than 2,700 talented individuals from over 40 nationalities, spanning three continents. We are thrilled to be recognized among the Best Workplaces in Europe and certified as a Great Place to Work across all our offices. Here, every day is an opportunity for growth and innovation. Are you ready to Press Play on Your Potential?The RoleDesign, build, and maintain efficient, reusable, and reliable code.Develop interfaces between components of heterogeneous subsystems in a high-volume, transaction-oriented production environment.Ensure optimal performance, quality, and responsiveness of applications.Identify bottlenecks and bugs, devising effective solutions to complex challenges.Technology StackOur services primarily utilize C# / ASP.NET, with newer applications developed in .NET Core. The front-end employs Vue.js for new projects, while legacy systems use server-rendered (Razor) views alongside jQuery and Knockout.js. For data storage, we predominantly use MS SQL Server, supplemented by Redis and ElasticSearch when appropriate. RabbitMQ serves as our preferred message broker, and we rely on Gitlab for version control and CI, complemented by the Atlassian suite for ticketing and documentation.What You’ll BringA minimum of 1 year of development experience with C# / ASP.NET / MVC (full framework or .NET Core).A foundational understanding of web technologies, including HTTP.Experience with data access through databases and APIs.Familiarity with unit testing is an advantage.Perks of Working with Us Hybrid working model. Onboarding support from a dedicated buddy. Competitive salary and bonus structure.‍ Comprehensive private health insurance for you and your family. Monthly meal allowance. Access to a multi-sport card. Additional vacation days.⭐ A developmental 360° feedback framework. Unlimited access to Udemy and ongoing training opportunities.

Mar 12, 2026
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Mercier Consultancy logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

Join Mercier Consultancy as a Czech Speaking Content Moderator for a leading social media platform based in Greece! This critical position will empower you to ensure that our clients' social media channels remain safe and engaging while adhering to community standards. Your proficiency in Czech will enable you to effectively oversee user-generated content and cultivate positive user interactions.As a Content Moderator, your key duties will include reviewing content submissions, moderating user interactions, and ensuring adherence to established community guidelines. With your meticulous attention to detail and analytical mindset, you will identify inappropriate content and contribute to fostering a constructive online environment. Become a vital part of our team and help elevate our clients' social media presence!

Mar 17, 2026
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Yotpo logo
Full-time|On-site|Sofia

Yotpo is at the forefront of transforming trust and loyalty in the eCommerce landscape. Leveraging AI-driven Reviews and Loyalty solutions, we empower brands to convert casual browsers into dedicated customers and advocates. With trusted integrations across the eCommerce ecosystem and a robust network of over 30,000 global brands, Yotpo delivers unparalleled omnichannel experiences that enhance conversion rates, foster customer relationships, and drive sustainable growth.Our mission is to help brands cultivate lifelong customer loyalty through innovative reviews and loyalty solutions.We operate globally, with teams in the US, Canada, UK, Israel, Bulgaria, and Australia, and we are continually expanding. Our primary focus is to provide the best technology available in the industry.Excited to learn more? Check out our latest brand video.If this sounds appealing to you, keep reading—we are on the lookout for top talent!About the RoleAs a Tier 2 Technical Support Engineer, you will be an integral part of our global support team. Your responsibilities will include addressing complex technical challenges, serving as a pivotal escalation point for the support team, and collaborating closely with Product and R&D teams to identify root causes and develop effective long-term solutions.This position extends beyond merely resolving tickets; we seek an individual who demonstrates strong ownership, sound judgment, and the capability to bring clarity to complex situations. You will help identify systemic issues, enhance support operations, and contribute to the broader team’s growth through knowledge sharing, mentorship, and cross-functional collaboration.

Mar 25, 2026
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KOSTAL Group logo
Full-time|On-site|Sofia

Join our dynamic global AI initiative at KOSTAL Group, where we are building a specialized enterprise AI team dedicated to designing, implementing, and managing AI use cases throughout our organization.As an AI Solution Engineer, you will work closely with business stakeholders and enterprise application and data owners, transforming AI opportunities into actionable solution designs. Your contributions will be hands-on, ensuring that AI solutions are seamlessly integrated within our architectural standards and enterprise landscape, in close partnership with the AI Architect.Key Responsibilities:Convert AI opportunities into executable technical solution designs.Collaborate with IT and business application/data owners to define integration strategies.Implement AI use cases utilizing enterprise AI services and LLM APIs.Engage in prototyping, integration logic, and critical solution components as needed.Assist in the application of AI patterns, such as retrieval-based solutions.Coordinate implementation efforts across business stakeholders and internal/external teams.Ensure compliance with architectural standards and enterprise system landscapes.

May 4, 2026
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Mercier Consultancy logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

Join Mercier Consultancy and embark on an enriching journey as a French-Speaking Customer Service Representative for our esteemed Client's Real Estate Platform based in Greece. This pivotal position requires you to deliver exceptional assistance to our French-speaking clientele, guiding them through their inquiries and helping them discover their perfect properties.Your proficiency in French is crucial as you support customers in navigating the platform, addressing queries related to listings, legal procedures, and property specifics. By providing superior customer service, you will play a key role in ensuring a smooth and rewarding experience for clients eager to invest in the Greek real estate market.Responsibilities Deliver outstanding customer support in French via phone, email, and chat concerning real estate inquiries. Assist clients in property searches, information requests, and application processes. Professionally resolve customer issues and handle complaints. Accurately document customer interactions in our CRM system. Collaborate with real estate agents and internal teams to ensure prompt and precise information delivery. Collect customer feedback to continuously improve our service and platform offerings. Remain updated on real estate market trends and developments in Greece.

Mar 3, 2026
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Mercier Consultancy logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

Join Mercier Consultancy as an Italian-Speaking Customer Service Representative for our esteemed client's Real Estate Platform. In this essential Junior role, you will provide outstanding support to our Italian-speaking clientele, assisting them with property inquiries related to buying, selling, and renting real estate.Your proficiency in Italian will empower you to effectively communicate with clients, guiding them through the nuances of the real estate process and offering critical insights about available properties and services. Your contributions will be pivotal in enhancing customer satisfaction and ensuring seamless transactions on our platform.Key Responsibilities Provide exceptional customer service in Italian via phone, email, and chat concerning real estate inquiries. Guide customers in property searches, booking viewings, and navigating the buying or renting process. Efficiently resolve customer concerns and complaints with professionalism. Document customer interactions and maintain precise records in our CRM system. Collaborate with real estate agents and internal teams to ensure prompt responses and effective resolution of inquiries. Collect customer feedback to enhance service offerings and platform usability. Stay updated on real estate market trends and property listings.

Mar 1, 2026
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Mercier Consultancy logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

Join Mercier Consultancy in an exciting role as a Dutch-Speaking Customer Service Representative for our client's innovative Sports Betting Platform, operating from the stunning landscapes of Greece. In this vital position, you will engage with our Dutch-speaking clientele, providing top-notch support for their inquiries about sports betting, account management, and navigating our platform.Your proficiency in Dutch will be essential for delivering clear and efficient communication, aiding clients in understanding the betting process, resolving issues, and enhancing their overall experience within our platform. Your commitment to exceptional customer service will be crucial in promoting a secure and enjoyable betting environment.Key Responsibilities Provide exemplary customer support in Dutch through phone, email, and chat, addressing queries related to the sports betting platform. Guide customers through account creation, deposits, withdrawals, and betting-related inquiries. Effectively address and resolve customer complaints while ensuring compliance with company policies. Accurately document all customer interactions in our CRM system. Collaborate with internal teams to tackle complex inquiries and enhance user experience. Stay informed about sports betting trends and platform updates to offer knowledgeable assistance. Collect and communicate customer feedback to improve our services.

Feb 27, 2026
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Mercier Consultancy Group logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

Join the Mercier Consultancy Group, where we are thrilled to offer an exceptional opportunity for German-speaking professionals eager to embark on a new adventure in Greece. This position not only promises a vibrant work environment but also includes a fully paid relocation package to ensure a smooth transition to life in one of Europe's most enchanting countries. We are on the lookout for enthusiastic individuals fluent in German to fill a variety of roles where their language skills will shine.Key Responsibilities Deliver outstanding customer service and support to our German-speaking clientele across diverse sectors. Utilize your fluency in German to effectively manage inquiries, resolve issues, and assist customers consistently. Work collaboratively with internal teams to provide exceptional service and achieve company objectives. Keep precise records and documentation of customer interactions to ensure quality service. Be flexible and ready to take on various roles as per departmental requirements. Engage in continuous training to stay updated on products, services, and company policies.

May 4, 2026
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Ergomed logo
Full-time|On-site|Sofia

Join Ergomed as a (Senior) PSMF Officer and play a crucial role in our Pharmacovigilance and Safety Management Framework (PSMF) Department. In this position, you will support the implementation and maintenance of our PSMF processes, ensuring compliance with regulatory requirements while working collaboratively with cross-functional teams. Your expertise will contribute to the continuous improvement of our safety management systems.

Apr 30, 2026
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Playtech logo
Full-time|On-site|Sofia

Playtech seeks a Senior FX Artist in Sofia to design and implement visual effects for its gaming products. This position centers on crafting effects that enhance gameplay and keep players engaged throughout their experience. Key responsibilities Collaborate with game designers and developers to build and refine visual effects for new and existing titles Contribute creative ideas to improve the overall look and feel of each game Develop effects that support both gameplay mechanics and narrative elements Team environment Work as part of a collaborative team that values creativity and technical expertise. The group is committed to advancing visual storytelling with every project.

Apr 21, 2026
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Kaizen Gaming logo
On-site|On-site|Sofia, Bulgaria

Join the Innovative Team at Kaizen GamingAt Kaizen Gaming, we are at the forefront of the GameTech industry, operating Betano across 19 diverse markets. Our commitment to leveraging cutting-edge technology enables us to provide an unparalleled experience for millions of customers who trust us for their entertainment.We pride ourselves on our diverse workforce of over 2,700 Kaizeners from more than 40 nationalities across three continents. Our #oneteam culture has earned us recognition as one of the Best Workplaces in Europe and certified us as a Great Place to Work across our offices. Here, no two days are the same. Are you ready to press play on your potential?About the RoleIn 2021, we successfully expanded our team and are now poised to double our growth by 2025. Our focus is on enhancing our skill set and establishing Kaizen as a 'Mobile First' company. Our mobile team boasts over 17 iOS Engineers and 18 Android Engineers, supported by Software Engineers in Test to ensure quality throughout.Our engineers contribute to our Mobile Infrastructure team or engage in cross-functional feature squads. Our mobile applications reach millions of users across various continents. We utilize Swift and Kotlin to create a robust codebase and are committed to comprehensive testing at all levels to elevate our technical standards.Technical Stack: Swift, Alamofire, SwiftUI components, Modular architecture, GitLab for source code management, Bitrise for CI/CD, XCTest for Unit Testing, XCUITest for UI Testing, MVC to MVP, SwiftLint, Structured Concurrency, Firebase, Figma for designs, Transifex for localization.Supportive Processes: Scrum/Kanban, Jira/Confluence, Firebase/Google Analytics/Google Tag Manager, Pair programming, Unit testing, GitFlow, Code Reviews.As a member of the iOS team, you will:Shape the mobile future of the company.Implement our technology roadmap adhering to the highest quality standards.Influence the technological vision of the iOS chapter.Tackle challenging tasks while continuously developing your technical skills.As a member of the feature squads, you will:Collaborate with product managers and designers to understand project requirements and transform them into innovative solutions.

Feb 4, 2026
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Experian logo
Full-time|On-site|Sofia

Join our dynamic team at Experian as a Senior IT Service Quality Analyst, where you will play a pivotal role in ensuring the highest quality of IT services. You will analyze, assess, and enhance our IT service delivery processes to ensure compliance with industry standards and best practices. This position offers an exciting opportunity to contribute to our information security initiatives and work collaboratively with cross-functional teams.

Apr 8, 2026
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Bosch Digital logo
Full-time|On-site|Sofia, Bosch Digital

Are you passionate about shaping beneficial technologies with your innovative ideas? At Bosch, we offer you an exciting opportunity to enhance the quality of life globally through various domains, including mobility solutions, consumer goods, and energy and building technology.Join us in redefining the future of automated mobility and the Internet of Things with groundbreaking concepts. As part of a global network of over 410,000 dedicated professionals, you can contribute to pioneering advancements every day. Why not embark on a remarkable journey with us?Your role in our mission:Design and customize Microsoft Dynamics 365 applications utilizing both no-/low-code solutions (such as Power Apps and Power Automate) and pro-code techniques (C#, .NET, JavaScript).Facilitate integration with external systems via various APIs and connectors within the Microsoft Power Platform and Azure ecosystem.Create and manage plugins, custom workflows, and business process flows.Offer consulting and technical support to junior developers and business stakeholders regarding the Microsoft Dynamics platform.Maintain high standards of quality in development practices, including source control and deployment processes (e.g., Azure DevOps).Keep abreast of the latest trends, technologies, and innovations in the Microsoft Dynamics 365 and Power Platform ecosystems.

Feb 20, 2026

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