Senior .NET Engineer

Senior .NET Engineer It’s your career – make it matter Apply now This is us At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development. This is you Strong expertise in C#, .NET Framework, and .NET Core/.NET Hands-on background with Angular, TypeScript, and modern frontend development Proficiency in REST APIs, Microservices, and Service-Oriented Architecture Practical knowledge of Microsoft Azure, including App Service, Functions, Storage, Key Vault, Azure SQL, Service Bus, Event Grid, and API Management Solid understanding of cloud-native application development Proven background in CI/CD, Git-based development workflows, and release management Hands-on proficiency with GitHub Actions and GitHub Advanced Security Knowledge of Infrastructure as Code (IaC) using Terraform and Bicep Practical experience with unit testing, integration testing, and contract testing Proficiency in Test-Driven Development (TDD) Strong understanding of software architecture and design patterns Knowledge of secure software development practices Hands-on experience with logging, monitoring, and operational support Familiarity with AI-assisted development, including GitHub Copilot, Claude Code, and AI-First Engineering Strong knowledge of Git, source control, and branching strategies Working knowledge of Python and PowerShell scripting Background in technical leadership and mentoring Ability to work effectively within Agile software development environments Strong skills in technical documentation and technical decision management Background in production support and incident troubleshooting Commitment to continuous improvement and engineering best practices This is your role Designing, developing, and modernizing enterprise applications using .NET/C# and Angular Building end-to-end solutions including architecture, APIs, backend services, frontend components, integrations, testing, deployment, and operational support Migrating and modernizing legacy applications using pragmatic and incremental approaches Designing clean, maintainable, and testable software architectures Developing secure-by-design solutions with automated testing, monitoring, secret management, dependency management, and least-privilege access controls Implementing and maintaining CI/CD pipelines, deployment strategies, and environment promotion processes Collaborating with development teams through code reviews, architectural discussions, and technical mentoring Creating technical documentation, interface specifications, architectural decisions, and operational runbooks Applying AI-assisted development practices to accelerate coding, testing, documentation, and code review activities Troubleshooting production issues and supporting application reliability and operational excellence Contributing to software engineering standards, delivery improvements, and continuous modernization initiatives What awaits you at Avenga? Through our values, Better Minds, Bolder Ideas, and Bigger Hearts, we strive to provide you with the tools, autonomy, trust, and assistance you need to excel. Enjoy benefits like private health insurance, well-being programs, flexible and hybrid work models, laptops and gear, training, language classes, social events, great offices, and more. At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others. Locations Sofia, Ruse Remote status Hybrid Technology .NET Seniority Senior-level Take the first step toward your career at Avenga APPLICATION Send your CV to tell us about your core skills and what you're looking for next. TALENT CALL Meet our Talent team to talk about your goals and experience while exploring our culture and the way we work. TECHNICAL INTERVIEW We'll explore your experience, strengths, and approach to work to see what we can build together. CUSTOMER INTERVIEW For some roles, you'll meet our customers to understand the outcomes your expertise can help create. WELCOME TO AVENGA An offer is just the beginning. We welcome you to put your expertise into action and shape what's next together.