.NET Engineer

Location: Sofia, Bulgaria — hybrid

Company

Avenga is an international engineering firm helping businesses operate with AI at the core, with more than 6,000 experts worldwide.

What you will do

• Develop and enhance secure, maintainable .NET applications and REST APIs.
• Contribute to cloud-based service design and integrations, including messaging and gRPC where appropriate.
• Write automated tests, participate in code reviews, and document technical decisions.
• Deploy, monitor, debug, and troubleshoot applications in cloud environments.
• Help resolve production incidents and investigate root causes to deliver reliable fixes.
• Collaborate with distributed engineering and business teams across EMEA to turn requirements into practical solutions.

Requirements

• Solid commercial experience delivering production applications and APIs with C# and supported .NET versions.
• Good understanding of object-oriented design, REST APIs, and web standards, with awareness of security, resilience, and maintainability.
• Hands-on experience deploying, debugging, and troubleshooting web applications and APIs, ideally in a cloud environment.
• Experience writing automated tests and using Git for software collaboration.
• Working knowledge of SQL and relational databases for application data access and diagnostics.
• Ability to investigate problems, identify root causes, and deliver reliable fixes.
• Upper-Intermediate English or higher and experience collaborating with distributed teams.

Nice to have

• Experience in an Agile delivery environment or developing N-tier solutions.
• Exposure to microservices, RabbitMQ or other message brokers, or gRPC.
• Experience with AWS or Azure, or container platforms such as OpenShift or Kubernetes.

Culture & Benefits

• Long-term project for an existing client.
• Collaboration with distributed engineering and business teams across EMEA.
• Respectful and inclusive environment with equal opportunities regardless of personal characteristics.

Hiring process

• Submit a CV describing core skills and career interests.
• Complete a talent call, technical interview, and, for some roles, a customer interview.