Work in an agile and self-sufficient team with autonomy over development
Collaborate with an English-speaking, multicultural team
The client is one of the European leaders in its field and is building a completely new platform using the latest technologies
The Jit community will bring you a nice time during regular integration meetings
Enjoy work-life balance in a company that values flexibility and innovation
Project
We are looking for a highly skilled Senior .NET Engineer to join our dynamic team. In this role, you will focus on developing, improving, maintaining, troubleshooting, and optimizing applications built with ASP.NET, .NET Core, and .NET Framework. Your expertise in MSSQL databases, debugging, and performance improvement will be crucial in ensuring smooth system operations. Our teams follow a T-shaped, cross-functional setup, meaning engineers contribute beyond their primary expertise. You should be comfortable taking on small tasks in different areas, including bug fixes, PR reviews, or DevOps contributions. We value collaboration and adaptability over rigid role definitions.
What you'll be doing
Develop, improve, maintain and support applications developed in ASP.NET, .NET Core, and .NET Framework
Identify and resolve software and database performance issues
Optimize SQL queries and stored procedures to improve system efficiency
Collaborate with cross-functional teams to debug and resolve production issues
Implement performance improvements and ensure application reliability
Work with build and deployment tools (e.g., Jenkins, TeamCity, Azure DevOps)
Communicate progress and technical updates to stakeholders and team members
Expected competences and knowledge
Bachelor's degree in Computer Science, Engineering, or a related field
Strong development experience in .NET technologies (ASP.NET, .NET Core, .NET Framework)
Expertise in troubleshooting production system issues
Solid experience with MSSQL databases, SQL, and stored procedures
A proactive, problem-solving mindset
Previous experience in debugging and performance optimization
Familiarity with CI/CD tools such as Jenkins, TeamCity, or Azure DevOps
Strong communication skills to interact with both technical and non-technical stakeholders
Technologies you'll work with
.NET Framework, .NET Core, ASP.NET
MSSQL
CI/CD Tools
Debugging & Performance Optimization
Version Control
DevOps Contributions
Client – why choose this particular client from the Jit portfolio?
Our client is a Scandinavian supplier of software and services for purchasing and tendering processes in highly formalized conditions, such as orders in accordance with public procurement law at the level of the European Union or individual member states. The delivery center is located in Utrecht. Client’s platforms allow to announce tenders and conduct the entire procedure of collecting and evaluating offers at every stage of the purchasing process. They are used both by public administration bodies at various levels in European countries and by purchasing departments of large companies and corporations.
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 500 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.
Jit Team
Jit Team is a Polish company that operates in the IT industry, focusing on creating highly specialized teams for clients worldwide. With over 700 experienced experts, Jit Team emphasizes the human factor in IT, prioritizing people and their development. The company is deeply committed to its philosophy of "The Human factor of IT," which is reflected in its charitable and educational activities, such as supporting students with learning equipment and offering internships to launch IT careers. Jit Team has been active for over 15 years and is known for its strong relationship with a leading financial group in the Nordic countries, serving as their premier partner in Poland. The company values work-life balance, feedback culture, and international collaboration, often working in teams that provide exposure to the English language. Jit Team is also involved in supporting local initiatives, ensuring the circulation of positive energy within the community.