Senior .NET Engineer
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 9, 2026. Avenga scores B on the Alion truth index.
Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.
At the core of the role
We are looking for Senior .NET Engineers to join a long-term project for one of our existing clients. You will focus on building and evolving secure, cloud-based .NET applications and REST APIs, and take part in deployment and production support activities.
You will work closely with distributed engineering and business teams across EMEA to clarify requirements and turn them into reliable, production-ready solutions.
Core skills you’ll bring
Demonstrated senior-level experience delivering production applications and APIs with C# and supported .NET versions.
Strong understanding of object-oriented design, REST APIs and web standards, with sound judgement about security, resilience and maintainability.
Hands-on experience deploying, debugging and troubleshooting web applications and APIs in a cloud environment.
Experience writing automated tests and using Git to collaborate on software changes.
Working knowledge of SQL and relational databases for developing and diagnosing application data access.
Ability to investigate complex problems, identify root causes and deliver reliable fixes across the software lifecycle.
Clear English communication and experience collaborating with distributed technical and business teams; ability to mentor other engineers.
Nice-to-have
Experience working in an Agile delivery environment or developing N-tier solutions.
Experience with microservices, message brokers such as RabbitMQ, or gRPC.
Hands-on experience with AWS or Azure, or container platforms such as OpenShift or Kubernetes.
Experience with CI/CD and deployment automation tools such as Jenkins or Ansible Tower.
The impact you'll create
Design, build and enhance secure, maintainable .NET applications and REST APIs for new and existing solutions.
Contribute to cloud-based service design and integrations, using messaging or gRPC where appropriate.
Write automated tests, review code and document technical decisions to keep software reliable and maintainable.
Deploy, monitor and troubleshoot applications in cloud environments, and help resolve complex production incidents.
Work with distributed engineering and business teams across EMEA to turn requirements into practical solutions and improve delivery processes.
People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.