About the Position

Senior.NET Engineer

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.

Responsibilities

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

Requirements

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

We Offer

Equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic
A respectful environment where everyone can be themselves, share their ideas, and feel that they belong

About the Company

Locations

Sofia, Bulgaria
Ruse, Bulgaria

Remote Status

Hybrid

Application Process

Send your CV: 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.

Senior.NET Engineer

Job description