.NET Developer (ASP.NET)

Location: Sofia, Bulgaria; office-based

Company

tbi is a well-established Bulgarian bank operating with a start-up culture and developing a mobile-first lifestyle ecosystem.

What you will do

• Design, develop, and maintain applications and modules across multiple in-house projects.
• Build new functionality with ASP.NET Core, .NET, and Vue.js, while enhancing applications based on ASP.NET MVC, .NET Framework, Razor, JavaScript, HTML, and CSS.
• Design and develop REST APIs and integrations with internal and external systems.
• Own features from understanding business needs through design, development, testing, and deployment.
• Investigate production issues, identify root causes, and improve code quality, performance, and maintainability.
• Collaborate through code reviews, technical documentation, knowledge sharing, and support across changing projects and technologies.

Requirements

• 2+ years of professional experience with C# and .NET.
• Experience with ASP.NET, ASP.NET Core, Web API, and REST APIs.
• Good knowledge of SQL and relational databases, including work with SQL Server and Oracle.
• Familiarity with JavaScript, HTML, and CSS.
• Experience with .NET Framework and ASP.NET MVC; Web Forms experience is a plus.
• Strong problem-solving skills, independence, adaptability, and the ability to work in a dynamic, multicultural team.

Nice to have

• Experience with ASP.NET Web Forms.
• Oracle and SOAP/XML integrations.

Culture & Benefits

• Growth opportunities and meaningful projects with business impact.
• International team representing 23 nationalities.
• Additional private health insurance and monthly food vouchers.
• Multisport cards, retailer discounts, and special rates on banking products.
• Office in central Sofia near the National Palace of Culture and South Park.
• Pet-friendly office.

Hiring process

• Submit a CV in English.
• Only shortlisted candidates will be contacted.