Full-Stack Developer

Sofia, Bulgaria


Being on this position you will be part of Extension’s team, division of Integration and Solution Architecture department of SBTech. You will be working on extending the core product and developing new components of it, dealing with customizations and integrations. You will be working with one of the best sportsbook platforms in the industry. 


  • Propose technical solutions and align with team leads/architects
  • Improve and optimize all aspects of the systems core
  • Implement a new architectural design and structure of the existing product
  • Follow and working as per SW development standards and methodologies
  • Apply quality standards and team working procedures
  • Initiate improvements and development methodologies
  • Support existing and write new technical documentation


  • 2+ years of experience in a client/server environment with a strong focus in .NET Framework/C#, SQL Server 2008, JavaScript, JQuery and AJAX
  • Established experience in Multithreading Programming
  • Experience with XML and Web Services
  • Strong knowledge with Design and Analysis (OOA and OOD)
  • Ambition to write high-quality code covered with unit tests for back-end and front-end
  • Outstanding communication and presentation skills
  • Fluent in English- written and verbal

Nice to have:

  • Experience with MongoDB
  • Experience with ReactJS, TypeScript
  • Experience with actor model frameworks Orleans/AKKA
  • Experience with distributed caching systems such as Redis, Memcache and in-memory DBs
  • Experience with messaging queues such as RabbitMQ
  • Experience with Microservices approach

Why join our Dream Team?

Here we’re working really hard (yet not burning-out-hard), but also learning and developing fast (like Usain-Bolt-fast). We are looking for smart and focused people who represent the team spirit and are trustworthy allies in achieving great results. The business environment provokes us to be dynamic and innovative and that’s exactly what we are. We offer great career opportunities – you simply must seize them.

The Company offers excellent benefits

  • Being a part of an international team focused on excellence in product development
  • Very good remuneration
  • Comprehensive health insurance + Multisport card
  • Monthly parking coverage OR Public transport card
  • Team building and fun activities
  • High and modern office facilities
  • Dynamic and friendly work environment
  • Open and transparent communication
  • Long term career growth opportunities
  • Professional growth, extra education opportunities and cross-location knowledge sharing
  • English classes
  • Fruits and snacks at the office

If you are interested in joining the SBTech team, send us your CV in English.

Only short-listed candidates will be contacted.

Confidentiality of all applications is assured!

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