Recruitment.bg is a boutique IT recruitment company, based in Bulgaria. We aim to work with the top employers in the industry, companies that we thoroughly vet and trust. Our mission is to guide IT professionals toward improved career paths by understanding their skills, crafting employment strategies, and supporting them every step of the way. Placing emphasis on honesty, respect and reliability while delivering exceptional service by ‘going the extra mile’ we build long term relationships with the people and organizations we work with.
About the Company
Our client is an established European software company developing high-impact digital products used globally. With a focus on performance, scalability, and user experience, their cross-functional teams work on a diverse range of platforms that blend creativity with complex backend logic.
The company fosters a collaborative and flexible work culture, encouraging ownership, innovation, and continuous growth. As they expand their development team, they’re looking for skilled professionals who thrive in agile environments and enjoy solving real-world technical challenges.
Headquartered in Sofia, their multidisciplinary team brings together experts in software development, design, product management, and operations — all working together to deliver scalable tools and immersive digital experiences. Their environment is dynamic, collaborative, and product-focused, offering talented professionals the opportunity to contribute meaningfully to both internal systems and customer-facing applications.
They are currently expanding their technical team and are on the lookout for skilled individuals who thrive on solving complex problems, enjoy working in agile setups, and want to grow within an evolving international context.
About the Role
We’re seeking a Senior Backend Developer with strong TypeScript expertise to join a team that builds backend APIs, websocket server logic, and on-device systems tailored for the casino and iGaming space. The exact project you’ll work on will depend on your background, preferences, and experience.
Key Responsibilities:
Develop backend services and features using TypeScript
Design and maintain REST APIs and WebSocket server logic
Write unit tests using TypeScript and Jest
Participate in technical discussions, time estimations, and planning sessions
Troubleshoot and fix bugs reported via Jira
Understand and utilize internal and external tools effectively
Contribute to improving internal tools, processes, and shared libraries
Support and guide release and deployment pipelines
Collaborate with and mentor junior developers
Continuously improve your technical skills and stay up to date with best practices
Requirements:
8–10 years of total development experience
Strong experience with TypeScript and React
Solid knowledge of MySQL and SQL optimization techniques
Experience working with WebSockets and long-lived applications
Proficient in Git and version control workflows
Hands-on experience with testing frameworks like Jest or Mocha
Deep understanding of JS build tools and pipelines
Familiarity with Docker, Linux systems, and basic SSH operations
Nice to Have
Experience with C++ or native Node.js modules
Understanding of CI/CD processes and pipelines
Familiarity with AWS infrastructure
Interest in automation, tooling, and library development
What’s Offered
Full-time employment contract
Flexible working hours: choose between 09:00–18:00 or 10:00–19:00
Additional health insurance after 3 months
22 days of paid annual leave + 1 extra day for each year with the company
Free MultiSport card
Premium discount card (valid at over 90 locations)
Office perks: complimentary drinks, fruits, PlayStation, ping-pong, and more
Regular team events and social gatherings
Hybrid work model: home office available after the trial period
Office with convenient metro access
Supportive and agile team culture with transparent communication
A chance to grow in a profitable, innovative, and ever-evolving industry
All applications will be treated as strictly confidential.
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