Regular .NET Developer Ref #: HQ1553

UBB was established in 1992 through the merger of 22 Bulgarian regional commercial banks as the first and largest in terms of scale consolidation project in the Bulgarian banking sector. Since 2017, the Bank has been part of the Belgian bank-assurance group КВС, currently the largest financial group in Bulgaria.

While invariably standing by our corporate values, we want to be the reference in the bank business through client-centricity in all our activities. We aim at achieving sustainable and profitable growth by fulfillment of our role in society.

UBB is seeking a talented and dynamic Regular .NET Developer to join our IT Delivery team

Requirements:

• At least 2 years of hands-on professional experience in .NET (.NET 9.0) / C# backend development
• Experience designing and developing ASP.NET Core–based architectures, following microservices and clean architecture principles
• Hands-on experience with HTTP integrations and consumption of external services
• Strong focus on API‑first design, using OpenAPI / NSwag for system‑to‑system integrations
• Experience working with custom enterprise infrastructure libraries, including logging, exception handling, and middleware
• Security- and compliance‑aware development practices, including sensitive data handling and redaction
• Familiarity with resilience patterns such as retries, timeouts, and circuit breakers
• Solid knowledge of Microsoft SQL Server and data‑driven application development
• Ability to write high‑quality, maintainable, and testable code
• Strong analytical thinking and communication skills, with the ability to work both independently and collaboratively
• Proven problem‑solving abilities
• Good command of English, written and spoken
• University degree in Computer Science, Informatics, Engineering, Mathematics, or a related field.

Nice to Have

• Experience with Angular and Type Script
• Experience building modular, scalable, and maintainable frontend applications
• Previous experience in the financial or banking domain
• Experience working on enterprise‑scale systems 
• Experience working in Agile / Scrum environments

The main responsibilities for the position are to:

• Contribute to the end‑to‑end lifecycle (design, development, and maintenance) of a new enterprise‑grade online solution, built using state‑of‑the‑art backend services and APIs on .NET and ASP.NET Core, along with modern frontend components developed in Angular
• Design, develop, and maintain backend services and APIs using .NET and ASP.NET Core
• Contribute to and evolve microservice‑based architectures in line with clean architecture principles for modern online banking solution
• Build and maintain reliable integrations with internal and external systems
• Participate in API design, documentation, and lifecycle management using OpenAPI / NSwag for the services used by the online solution
• Implement and reuse shared infrastructure components such as logging, exception handling, and middleware
• Ensure secure, compliant, and resilient implementations, following best practices for data protection and fault tolerance
• Collaborate closely with frontend developers, QA, and business stakeholders to deliver end‑to‑end solutions
• Conduct code reviews and contribute to continuous improvement of code quality and engineering standards
• Actively take part in Agile/Scrum ceremonies and support iterative delivery
• Take end‑to‑end ownership of developed functionalities by acting as 3rd‑level support, driving deep technical analysis, resolving complex production issues, and implementing long‑term fixes and improvements

You will find:

• Excellent opportunities for professional and career development in one of the leading banks in Bulgaria
• Competitive remuneration
• Various opportunities for learning and further development of professional skills and competencies
• Preferences for the bank products and services
• Additional health insurance
• Life/Accident Insurance
• Food vouchers – 55 EUR
• Referral program
• Additional bonus for important life events
• Hybrid working model and flexible working time (for the employees in Head Office)
• 25 days annual paid leave + 1 additional day for birthday
• Sport card
• Participation in a solidarity fund which helps employees and their families when necessary
• Share your future with us!

Please, send your CV.

Only short-listed candidates will be contacted.

All applications will be treated under strict confidentiality. Personal data are under special protection in accordance with the Law for Protection of Personal Data.