Sr Full-stack Developer (I-gaming) - Sofia, Bulgaria

Sr Full-stack Developer (I-gaming) - Sofia, Bulgaria Are you an experienced Full-stack Developer passionate about the world of iGaming? Join a leading, fast-growing digital entertainment company in Sofia, Bulgaria, and play a pivotal technical role building innovative online gaming platforms for players worldwide. In our international and inclusive team, you’ll deliver highly scalable, reliable, and secure systems that empower next-generation sports betting and online casino experiences. Key Responsibilities – Senior Full-stack Developer Roles in iGaming, Sofia Design, develop, and maintain end-to-end web solutions, covering frontend and backend components of high-volume online gaming platforms Participate in architectural decisions and implement scalable microservices used by millions of players globally Collaborate closely with Product Owners, UI/UX Designers, DevOps Engineers, and fellow Developers to deliver robust features from requirements to release Write efficient, maintainable, and well-tested code using a modern JavaScript framework (such as React or Angular) and backend technology (Node.js, .NET, or Java) Champion software engineering best practices, including code reviews, unit testing, documentation, CI/CD, and agile methodologies Integrate third-party APIs, payment gateways, and real-time data feeds within the iGaming tech ecosystem Contribute innovative ideas to improve performance, player experience, and the technical stack Support troubleshooting, incident response, and the ongoing optimisation of production platforms Keep up to date with industry trends and support knowledge sharing across the tech team Skills and Qualifications – Full-stack Developer Careers in Online Gaming 5+ years of proven experience in full-stack development, ideally within iGaming, Fintech, or other high-traffic digital product environments Advanced skills in JavaScript and frameworks such as React.js, Angular, or Vue.js (frontend), plus strong experience in Node.js, .NET Core, Java, or equivalent (backend) Practised in RESTful API design, database modelling (SQL/NoSQL), and integrating cloud-native services (AWS, Azure, or GCP) Hands-on knowledge of unit, integration, and performance testing for web and mobile applications Familiarity with microservices, containerisation (Docker, Kubernetes), CI/CD pipelines, and agile environments Solid understanding of secure coding practices and GDPR/regulatory compliance in online gaming Excellent problem-solving abilities, analytical mindset, and strong attention to detail Collaborative spirit and effective communication skills in multicultural, distributed teams Fluent English (spoken and written); eligible to work in Bulgaria and available for on-site work in Sofia What We Offer – Senior Developer Jobs in Sofia’s iGaming Sector Attractive, competitive salary and annual performance bonus Comprehensive relocation package (visa, travel, accommodation assistance) for qualified professionals moving to Sofia Private health insurance, sports card, and a modern workspace in Sofia city centre Flexible working hours, paid annual leave, work-life balance initiatives, and regular social/team-building activities Transparent career development plans, technical training allowances, and opportunities to shape the future of iGaming technology Inclusive and international culture where all backgrounds and identities are welcomed and celebrated Who Thrives in Our Team? This position is perfect for talented problem-solvers who want to innovate in a dynamic, growth-driven technology company. If you’re resourceful, curious, and enjoy delivering quality digital products at scale, with a passion for the latest trends in gaming and software engineering, you’ll be at home here. How to Apply – Senior Full-stack Developer Jobs in Sofia, Bulgaria Excited to advance your career in iGaming technology? Submit your CV in English today. We welcome applicants of all genders, backgrounds, and identities – join our Sofia-based team and shape the future of global digital entertainment! Locations Sofia Bulgaria