Senior Full-Stack Software Engineer (.NET/Desktop/Web)

Quick Facts

• Role: Full-Stack Software Engineer (Microsoft technologies, relational SQL databases)
• Focus: Development, maintenance, and modernization of desktop applications on .NET (WinForms/WPF)
• Web (possible, smaller near-term part): JavaScript and React

Description

We are looking for an experienced and motivated Full-Stack Software Engineer who is passionate about Microsoft technologies and relational SQL databases. You will join a team responsible for developing and maintaining business applications that support HR processes for a leading provider of ERP and HR solutions in the Polish market.

As a Full-Stack Software Engineer, you will be primarily responsible for the development, maintenance, and modernization of desktop applications built on the .NET platform (WinForms/WPF). As our product evolves, you may also contribute to web-based interfaces using JavaScript and React, though this is expected to represent a smaller part of the role, at least in the near term. You will also leverage your SQL expertise to design, optimize, and maintain data models and database queries.

In this role, you will collaborate closely with Product Owners, designers, and fellow engineers to deliver high-quality solutions that address real business needs. This is an opportunity to make a tangible impact on product development, contribute to technical decision-making, and further grow your skills in a modern and collaborative engineering environment.

Responsibilities

• Develop, maintain, and modernize desktop applications on the .NET platform (WinForms/WPF)
• Support product evolution by contributing to web-based interfaces with JavaScript and React (smaller near-term portion)
• Design, optimize, and maintain SQL data models and database queries
• Collaborate with Product Owners, designers, and engineers to deliver solutions for real business needs
• Participate in technical decision-making and continuous growth in a collaborative environment

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (plus)
• 4–5 years of commercial experience as a Software Engineer
• Strong knowledge of C# and the .NET platform (.NET 4, .NET Framework, .NET Core)
• Experience developing and maintaining desktop applications (WinForms and/or WPF)
• Good knowledge of JavaScript and web technologies (HTML, CSS)
• Experience working with React or another modern front-end framework
• Good knowledge of SQL and relational databases (SQL Server, Azure SQL)
• Experience with Microsoft Azure or other cloud solutions
• Experience working in Scrum/Agile environments
• Knowledge of version control systems (Git)
• Ability to write clean, maintainable, and well-structured code
• Strong analytical and problem-solving skills
• Effective communication and collaboration with technical and business stakeholders
• English proficiency at B1/B2 minimum
• Polish proficiency at B2 minimum
• Nice to have: Azure DevOps and CI/CD experience

Benefits

Not specified in the provided text.