Dev Senior C# Back-End Developer

Bulgaria, Sofia

Job Description

Skywind Group, represented by Global Interactive Solutions has started Sports initiative with which we are aiming to change the world of sports betting! We invest in product innovation and personalization to offer fully cloud-oriented SaaS Sportsbook platform.

We are now building a whole new R&D center located in Sofia (Bulgaria) for Skywind Sports iniative and looking for the best talents out here to come join an amazing product and an amazing group of people!

We are looking for an experienced professional with great passion to innovate and be part of a team that regularly faces and conquers challenges. A developer that is eager to learn and teach, enjoys playing with technology and is up for a new adventure. You will have the privilege to work with the most updated technologies and the most talented people in the industry.


Job Responsibilities


  • Build and maintain Market products.
  • Develop new and exciting features in collaboration with the Product team.
  • Contribute to the full software development lifecycle including design, development, documentation, testing and deployment.
  • Work in collaboration with other developers and quality assurance personnel on team.
  • Work with product owners and business analysts to understand requirements.


Job Requirements: 


  • 5+ years of experience as C# backend developer.
  • 2+ years of experience developing in .NET core.
  • Familiar with all common design patterns.
  • Experience in programming in high concurrent environments.
  • Experience in writing reusable C# libraries.
  • Highly skilled with proven experience in multi-threaded programming including TPL (Concurrency | Locking | Async).
  • Understanding of fundamental design principles behind a scalable application.
  • Knowledge and proven experience in both NoSQL and SQL databases (e.g. Mongo/Couchbase, MySQL/SQL Server).
  • Experience in designing, developing and testing distributed, highly scalable applications.
  • Familiarity with Unit, Integration and System testing concepts.
  • SOLID principles for design patterns.
  • FIRST principles for unit tests.
  • Experience working in Agile Methodologies.
  • Infrastructure and apis composition experience – An advantage.



  • Friendly environment of young and motivated team;
  • Excellent remuneration and benefits package;
  • Fresh atmosphere
  • Trainings and regular team buildings


Send your CV in English and let`s start our journey together! 

Bulgaria | Sofia
Bulgaria | Sofia
Bulgaria | Sofia
Bulgaria | Sofia
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Belarus | Minsk