{"id":3958073,"url":"https://alion.io/job/avenga-senior-net-engineer-6","title":"Senior .NET Engineer","company":{"id":181252,"name":"Avenga","domain":"avenga.com","url":"https://alion.io/company/avenga","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":77,"open_postings":25,"ghost_share":0,"stale_share":0.92,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"Git","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Ansible","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"CI/CD","optional":true},{"name":"gRPC","optional":true},{"name":"Jenkins","optional":true},{"name":"Kubernetes","optional":true},{"name":"OpenShift","optional":true},{"name":"RabbitMQ","optional":true}],"status":"live","first_seen_at":"2026-11-09T09:15:20Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T09:54:43Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"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. \nAt the core of the role\nWe 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.\nYou will work closely with distributed engineering and business teams across EMEA to clarify requirements and turn them into reliable, production-ready solutions.\nCore skills you’ll bring\nDemonstrated senior-level experience delivering production applications and APIs with C# and supported .NET versions.\n\nStrong understanding of object-oriented design, REST APIs and web standards, with sound judgement about security, resilience and maintainability.\n\nHands-on experience deploying, debugging and troubleshooting web applications and APIs in a cloud environment.\n\nExperience writing automated tests and using Git to collaborate on software changes.\n\nWorking knowledge of SQL and relational databases for developing and diagnosing application data access.\n\nAbility to investigate complex problems, identify root causes and deliver reliable fixes across the software lifecycle.\n\nClear English communication and experience collaborating with distributed technical and business teams; ability to mentor other engineers.\n\nNice-to-have\nExperience working in an Agile delivery environment or developing N-tier solutions.\n\nExperience with microservices, message brokers such as RabbitMQ, or gRPC.\n\nHands-on experience with AWS or Azure, or container platforms such as OpenShift or Kubernetes.\n\nExperience with CI/CD and deployment automation tools such as Jenkins or Ansible Tower.\n\nThe impact you'll create\nDesign, build and enhance secure, maintainable .NET applications and REST APIs for new and existing solutions.\n\nContribute to cloud-based service design and integrations, using messaging or gRPC where appropriate.\n\nWrite automated tests, review code and document technical decisions to keep software reliable and maintainable.\n\nDeploy, monitor and troubleshoot applications in cloud environments, and help resolve complex production incidents.\n\nWork with distributed engineering and business teams across EMEA to turn requirements into practical solutions and improve delivery processes.\n\nPeople 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. 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