.NET Developer

Join the best bank to work for in Bulgaria*

Who we are:
Do you want to join a well-established bank with a start-up culture? No, we’re not joking!

We, at tbi, have been one the most profitable banks for years and we are growing at a fast pace. We’re a bank with a long history of success that operates as a start-up and we’re always on the lookout for new opportunities to grow our business. How do we do that?

It's all about our people. Our team is made up of brave, passionate and caring people who don’t just want to follow the same path – we want to transform into mobile-first, state-of-the-art lifestyle ecosystem. Our colleagues love working here – 80% of them would recommend tbi as an employer to their friends and family. Our people are engaged in challenging and meaningful work, inspired to grow their potential and career, encouraged to learn and empowered to take decisions. That’s not corporate babble, it’s what our people say.

Do you want to play a key role in our unique success story?

If so, we're looking for a .NET Developer to join our team on the journey to success!

If so, we are looking for a .NET Software Developer to join our team and help us design, build, and improve a range of business-critical applications and websites. This role is ideal for someone who is confident working across the full development lifecycle, from solution design and implementation to testing and ongoing improvement. You will work mainly with the latest .NET LTS technologies, while also contributing to frontend development where needed.

What You’ll do:

• Design, build, test, and maintain modern applications primarily using .NET

• Develop both backend services and frontend components for internal and customer-facing solutions

• Take ownership of features and applications from idea through to delivery

• Write clean, maintainable, and well-tested code

• Participate in solution design and technical decision-making

• Troubleshoot issues, identify root causes, and deliver effective fixes

• Collaborate with colleagues across technical and business teams

• Contribute to improving development practices, quality standards, and delivery processes

What you’ll need to succeed:

• Strong experience developing applications with .NET

• Good knowledge of HTML, CSS, and JavaScript, with the ability to work comfortably in a full-stack role when required

• Experience designing and building applications end to end

• Experience testing your own work, including functional and technical validation

• Solid understanding of SQL and working with relational databases

• Good problem-solving skills and a practical, delivery-focused mindset

• Fluency in English, both written and spoken

It would be an advantage if you have:

• Experience with TypeScript

• Experience with a modern frontend framework

• Experience using modern AI-assisted development practices and tools as part of the software delivery process

• Experience with Redis, MongoDB, or Azure DocumentDB

• Experience with message brokers and event-driven architectures

• Experience with Azure

• Experience working on websites and business applications with both frontend and backend responsibilities

  
  

What we offer:

• Seize the opportunity to grow your career

• Engage in exciting and meaningful work

• Get recognition for your work and attitude

• Become part of a large, friendly and supportive team with 23 nationalities

• Get additional private health insurance

• Receive special prices for multisport card and multiple retailers

• Obtain preferential prices for our banking products

• Enjoy a great location in Sofia’s city centre near National Palace of Culture and South Park

• Bring your furry bestie: Let's make work pawsome

  
  

Visit our Career Page to learn more about what makes us different.

If this sounds like something you’d be interested in, we'd love to hear from you!

To apply for this position, please send us your CV in English.

We'd love to get back to everyone, but due to the number of applications we receive, we can only contact the shortlisted candidates.

*We are ranked the top bank and top 3 employer to work for in Bulgaria according to Kaderabotim.bg 2025 employer rankings.

All applications are treated with utmost confidentiality.

By submitting your job application to tbi bank, you confirm that you have read the document named “Information related to personal data processing for job applicants” publicly available on tbi Career page.