Senior.NET Engineer

About the Position

Senior.NET Engineer

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 UI design, managed services, product development, and software development.

We are looking for a Senior.NET Engineer for our American project. Our customer is an online enterprise-grade food ordering platform used by many of the US’s largest restaurant chains and millions of users. You will contribute to implementing large, strategic, and complex components and services, including solution design and reliability concerns.

Responsibilities

• Build and maintain backend services in C#/.NET within a distributed/microservices architecture;
• Deliver features end-to-end: requirements, design, implementation, testing, deployment, and monitoring;
• Write clean, testable code and maintain automated tests (unit, integration, E2E; NUnit/xUnit; Playwright where needed);
• Collaborate with architects, product, QA, and DevOps; participate in architecture/design reviews and propose improvements;
• Troubleshoot production issues, perform root-cause analysis, and implement fixes; monitor systems;
• Use CI/CD and deployment tools to automate builds and releases;
• Mentor teammates, give constructive feedback, and improve team practices;
• Communicate technical concepts clearly to technical and non-technical stakeholders while meeting sprint commitments.

Requirements

• 5+ years in software engineering with strong object-oriented design skills; proficient in C# and modern.NET practices;
• Proven background in distributed/microservices architectures and end-to-end flows;
• Skilled with SQL Server and performant data modeling;
• Track record of writing unit and integration tests (NUnit, xUnit);
• Hands-on with AWS and cloud-native patterns;
• Familiar with CI/CD and release automation (TeamCity, Octopus);
• Knowledgeable about monitoring/logging tools (Datadog, Sumo Logic);
• Strong problem-solving, technical judgment, and clear communication;
• English: Upper-intermediate or higher.

Nice to Have

• Experience with containerization (Docker, Kubernetes);
• Experience with event-driven architectures, messaging systems, or streaming platforms;
• Familiarity with security best practices, identity/authentication frameworks, and data privacy regulations.

We Offer

• Competitive salary
• Fully Remote work options
• Professional development budget

About the Company

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.

Application Process

APPLICATION

Send us your application, we are ready to hear your story and explore how we can grow together.

REVIEW

Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.

TALENT ACQUISITION INTERVIEW

You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.

TECHNICAL INTERVIEW

Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.

CUSTOMER INTERVIEW

For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.

JOB OFFER

If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.

WELCOME!

Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.

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