Senior .NET Software Engineer (Fullstack) / 1

Poland

Full-Time

Senior (7+ yrs)

Engineering & Development

Posted on August 17, 2026

We are looking for an experienced Senior .NET Software Engineer (Fullstack) to join our development team. You will play a key role in building and enhancing our internal CRM and workflow management systems, working closely with business stakeholders and contributing to architectural decisions across the entire software lifecycle.

Your Responsibilities

Active development of our internal, custom CRM and workflow management platforms
Contribute to the development, improvement, and optimization of back-end systems
Participate in all phases of the software development cycle, including architectural design
Identify and implement improvements in quality, performance, and maintainability
Conduct code reviews to ensure high software standards
Clarify and translate business requirements into technical solutions

Project Technology:

Backend: .NET Framework 4.8, .NET Core, C#, pure SQL (no ORM), ASP.NET Web API, ASP.NET ASMX Web Services, Redis, Kafka

Databases: MS SQL Server, Informix, MySQL

Frontend: Angular 17, TypeScript

CI/CD & Infrastructure:

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Company: Inetum

Delivers digital services and IT solutions, including software development, platform integration, cloud, and cybersecurity, for businesses and public sector entities.

10001+ employees

Software & IT Services

HQ: France

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