Home/Career/.NET Developer

.NET Developer

Varna, Ruse, Burgas, Tbilisi
Level: Experienced
Unit: Software Development & Cloud
Employment type: Permanent
Looking for your next opportunity?
Take the first step toward your dream job.

About Us

At Flat Rock Technology, we build the future!

 

Whether it’s helping clients grow their teams through staff augmentation, developing software that scales businesses, protecting companies from cyber threats, or managing large operational teams as an extension of each of our wonderful customers, we’re there to empower growth and drive impact.

 

With offices across the Globe: UK, Europe, South America, Sri Lanka, and the US, we’re a fast-growing global tech and staff augmentation organization delivering cutting-edge software development, data services, and business process outsourcing to clients worldwide.

 

We believe in innovation, ownership, and growing & developing our people. Your ideas matter here and your work truly makes a difference. Whether we're engineering powerful software, optimizing operations, or helping customers scale, we move fast, stay curious, and build with purpose.

 

Join a team that’s collaborative, ambitious, and always pushing for better. 

 

At Flat Rock, we don’t just follow the future - we create it.

Main responsibilities:

  • Develop, maintain, and enhance applications using .NET (C#, .NET Core / .NET 6+)
  • Build and consume RESTful APIs
  • Write clean, maintainable, and testable code
  • Participate in code reviews and apply feedback constructively
  • Work with SQL Server and contribute to database design and optimisation
  • Collaborate with product managers, designers, and engineers to deliver features end to end
  • Identify bugs and performance issues and assist in resolving them
  • Follow established coding standards, security practices, and development processes
  • Continuously improve technical skills and contribute ideas for improvement

Requirements:

Required Qualifications:
  • 2–4 years of professional experience in .NET development.
  • Proficient in C# and ASP.NET Core.
  • Experience building and consuming APIs.
  • Working knowledge of SQL Server and relational databases
  • Solid understanding of object-oriented programming and common design patterns.
  • Familiarity with version control systems, particularly Git.
  • Strong problem-solving skills and a willingness to learn.
  • Ability to work effectively in a collaborative team environment.
Preferred Skills:
  • Exposure to cloud platforms (Azure preferred).
  • Basic experience with CI/CD pipelines and DevOps practices.
  • Front-end development experience (e.g., React, Angular, Blazor, or JavaScript frameworks).
  • Awareness of microservices or distributed systems.
  • Exposure to AI-enabled features or services, such as integrating third-party AI APIs or using AI-assisted development tools.
  • Experience working in agile or sprint-based teams.

What we offer in return:

  • Competitive salary packages plus a range of region-specific benefits
  • Clear career paths and opportunities for continuous professional development
  • Exciting, meaningful work within a fast-growing international organisation
  • Modern office spaces across the globe
  • A vibrant company culture with regular team events and social activities
  • Entertainment zones, team-building programmes, and local cultural celebrations
  • Hybrid working options – enjoy the flexibility of working from home and the office
  • Additional holiday days added the longer you’re with Flat Rock

Privacy statement

If that sounds just like you, apply now by sending your CV in English!

By submitting your application, you agree that FRT will use your personal data for recruitment purposes only. All documents will be treated in the strictest confidentiality.
Only short-listed candidates will be invited for an interview.

We can’t wait to meet you!

What's Next

What Awaits You At Flat Rock

Looking for a trusted development partner?

Our team is ready to discuss and offer the most suitable approach for bringing your ideas to market, along with feasible solution alternatives.