Senior Developer (T-SQL & Java)

Salary: 900-1300pln/md B2B

Work model: elastic hybrid from Gdynia / Warszawa / Rzeszów or 100% remote

Why choose this offer?

• Interesting and demanding integration project
• International working environment 
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)

Project

As a Senior Developer, you will play a key role in designing, developing, and maintaining our software solutions. The ideal candidate will possess expertise in Transact-SQL, PostgreSQL, Microsoft SQL Server, and Java, with a proven track record of delivering robust and scalable applications.

What you'll be doing

• Design, implement, and maintain complex database solutions using Transact-SQL, PostgreSQL, and Microsoft SQL Server
• Collaborate with cross-functional teams to understand project requirements and translate them into efficient and scalable software solutions
• Develop high-quality, reusable, and modular code in Java to enhance the functionality and performance of our applications
• Conduct code reviews, provide mentorship, and offer constructive feedback to junior developers
• Optimize database queries and troubleshoot performance issues in both databases and application code
• Stay abreast of industry trends and emerging technologies to ensure our software solutions remain at the forefront of innovation

Expected competences and knowledge

• Bachelor's degree in Computer Science, Engineering, or a related field
• Proven experience as a Senior Developer with expertise in Transact-SQL, PostgreSQL, Microsoft SQL Server, and Java
• Strong database design, optimization, and administration skills
• Experience with performance tuning, query optimization, and indexing in SQL Server and PostgreSQL
• Solid understanding of software development best practices, design patterns, and coding standards
• Excellent problem-solving and debugging skills
• Strong communication and collaboration skills

Nice to have

• Familiarity with additional programming languages or frameworks
• Previous experience in relevant industry/sector
• Microsoft SQL Server certification is a plus

Technologies you'll work with

• Java
• Transact-SQL (T-SQL)
• MS SQL
• SQL
• PostgreSQL

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

Our client is a Nordic software provider delivering modern solutions for the portfolio, fund, and asset management sector. Active on the market since the early 90s, the company serves dozens of clients across Scandinavia. Since 2021, it has been part of a larger international capital group, expanding its operations globally. Jit has been supporting this client since 2018, contributing to modernization and innovation efforts in the financial software domain.

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.