Senior .NET Software Engineer (Fullstack) / 1

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

• Strong knowledge of .NET Framework 4.8 and .NET Core
• Excellent command of C#
• Solid understanding of relational databases and SQL fundamentals
• Experience with MS SQL Server, Informix, or MySQL is a plus
• Experience building and consuming RESTful APIs
• Experience with SOAP (ASMX) web services

Additional Experience

Experience in at least one of the following areas will influence assignment to one of our project teams:

• Frontend development: Angular, TypeScript, Bootstrap, CSS
• Multithreading & Asynchronous programming
• Advanced SQL expertise

Soft Skills

• English and Polish level B2 or higher
• Strong communication skills
• Willingness to learn the business domain and collaborate closely with non‑technical stakeholders

Nice to Have

• ASP.NET MVC
• JavaScript
• Bootstrap & CSS
• Jenkins