.NET Developer
First seen by Alion on Oct 7, 2026.
Join Vistex, a global technology company trusted by some of the world's leading brands, including NVIDIA, Sony or Yamaha. Our products helps hundreds of businesses manage pricing, rebates, incentives and other critical commercial programs, giving them greater visibility and control over business performance.
We're expanding our team in Łódź and looking for a .NET Developer who is passionate about building modern backend applications with (not only 😊) AI and wants to make an impact on products used by internal and global customers.
What You'll Do
Design, develop, and maintain backend applications using .NET technologies
Build and enhance RESTful APIs and backend services
Analyze business requirements and propose technical solutions
Troubleshoot and resolve technical issues while ensuring high code quality
Collaborate closely with Product, QA and DevOps teams
Contribute to the continuous improvement of existing systems and development practices
What We're Looking For
At least 5+ years of commercial experience with C#, .NET Core
Experience developing REST APIs and backend services
Knowledge of SQL and relational and/or NoSQL databases
Good understanding of OOP principles, SOLID practices, and software design patterns
Experience with Git, CI/CD pipelines, and Agile/Scrum methodologies
Strong English communication skills
Availability to work from our Łódź office at least one day per week
Nice to Have
Experience with Docker, microservices, and Azure or AWS cloud platforms
Experience with NUnit and API testing
Interest in AI technologies, Agentic Workflows, LangChain, LangGraph or Semantic Kernel
Looking for a long-term stable role where you can work within collaborative and developing environment?
We'd love to hear from you!
Tech stack
- .NET Core
- C#
- SQL
- Docker
- .Net
- Relational Databases
- NoSQL
- OOP
- Git
- CI/CD