Senior .Net Developer

Salary: 960 - 1280 PLN/MD + VAT (B2B)

Remote: Fully remote with occasional visits to the Client’s office (2-4 times per year)

Why choose this offer?

• Join a global team building scalable, cloud-based solutions
• Work on impactful projects that drive digital transformation and sustainability in sectors like energy, maritime, and manufacturing
• Be part of a stable, international work environment focused on quality, innovation, and efficiency
• The Jit Community will bring you a nice time during regular integration meetings

Project

We are looking for a Senior .NET Developer to join a dynamic product team building scalable, cloud-based solutions. You will work in a cross-functional team, collaborating directly with stakeholders, and contributing to both new feature development and ongoing system improvements in a fast-changing environment.

Responsibilities 

• Designing and developing advanced backend solutions in C#
• Creating and maintaining modern frontend components in React
• Building and maintaining RESTful APIs based on the OpenAPI standard
• Preparing and maintaining technical documentation
• Supporting implementations through effective and responsive problem-solving
• Balancing changing priorities with ongoing development tasks
• Designing reusable, generic components and contributing to system architecture decisions

Expected competences and knowledge

• Strong proficiency in .NET and C# for building scalable services
• Experience with frontend development using React and React Query
• Hands-on experience with Entity Framework Core and relational databases (Azure SQL, MS SQL)
• Experience building RESTful APIs with ASP.NET Core (OpenAPI)
• Experience with Agile methodologies and CI/CD workflows (Azure DevOps, GitHub)
• Experience working in cross-functional teams (~10 members)
• Strong analytical and diagnostic skills
• Very good communication skills in English 
• Nice to have:
  • Experience with AI-based development tools (Microsoft Copilot, GitHub Copilot) 
  • Experience with Microsoft Azure (App Services, Azure Functions, Key Vault, Storage Accounts, Entra ID) 

Technologies you'll work with

• .NET 8/9/10
• C#
• ASP.NET Core (REST, OpenAPI)
• React (~18)
• Entity Framework Core
• Azure SQL / MS SQL
• Azure DevOps
• GitHub 
• Microsoft Copilot / GitHub Copilot

Client – why choose this particular client from the Jit portfolio?

Our Client has been in the business of providing safety and insurance for the maritime industry for over 160 years and is now the leading provider of security certification and audits. They offer a wide range of digital projects to increase safety and compliance with standards in industrial fields. Our Client's solutions are used in the maritime industry, from raw materials extraction, to anywhere else where there is a need for quality and compliance with norms and standards. We have been working with our Client since 2013, creating and maintaining applications that are utilized in high-risk areas like rigs, mines, and police units, striving to make the world a safer place. Our Client's commitment to safety, ecology, and quality, which has its roots in Scandinavian culture, is implemented on a global scale. 

About Jit Team

The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.

Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.