Senior .NET Backend Engineer

Senior .NET Backend Engineer

Miejsce pracy: Warszawa

Technologies we use

Expected

• .NET
• C#
• Microsoft Azure

Optional

• Azure Active Directory

Operating system

• Windows

About the project

We are looking for a Senior, backend-focused .NET Engineer based in Poland to join our international client's team. You will work closely with technical colleagues and stakeholders to develop and maintain backend capabilities that support specialized, scientific workflow management systems.

Please note: Optiveum acts as the recruitment and contracting party for this role. You will sign a B2B cooperation agreement directly with us.

This is how we organize our work

This is how we work

• at the client's site
• you focus on a single project at a time
• you develop several projects simultaneously
• you have influence on the product
• you focus on product development
• you focus on code maintenance
• agile
• scrum

Your responsibilities

• Develop and maintain backend services and APIs using .NET and C#.
• Design and implement reliable data access and persistence solutions using MS SQL.
• Contribute to a secure and maintainable application architecture.
• Collaborate with product, frontend, and domain colleagues to translate user needs into effective technical solutions.
• Support engineering quality through testing, code reviews, troubleshooting, and continuous improvement.
• Contribute to delivery and deployment practices within the Azure ecosystem.

Our requirements

• Strong, hands-on experience with .NET and C#.
• Solid MS SQL skills, including working with relational data models and queries.
• Experience in developing or operating solutions in Microsoft Azure.
• Fluent English (B2B/international environment).

Optional

• Experience with Microsoft Entra ID (Azure Active Directory).
• Experience with GitHub pipelines and CI/CD practices.
• Experience with Vue 3 (frontend experience is not essential but will be considered a strong advantage).

What we offer

• Location: 100% Remote (Poland)
• Rate: Up to 35 EUR/h (B2B)
• Mode of work: 100% Remote

This is how we work on a project

• architect / technical leader support
• team-level deployment
• documentation
• issue tracking tools
• testing environments

Benefits

• remote work opportunities
• integration events

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Optiveum is a recruitment and consulting company created based on our 20-plus years of experience in HR & IT services.

We work for Clients located in Poland and abroad providing our local and international Candidates with Project-based or Permanent job opportunities in a remote or office-based model.