Backend Engineer (Java, Scala, Spark)

Mid • Hybrid

22,400 - 30,000 PLN

Oxie, Sweden

Salary:
Mid Developer: up to 1120 PLN/MD on B2B
Senior Developer: up to 1500 PLN/MD on B2B

Work model:
Hybrid. For the first 3–4 months, required 3 days per week on-site in Malmö (Sweden), with travel and accommodation covered by the company. After this period, relocation to Sweden is required with 3–5 days per week working from the office. Rate evaluation after relocation.

Why choose this offer?

Opportunity to work on global-scale products used by millions of users worldwide
Collaboration within international, cross-functional teams
Exposure to modern backend technologies (Scala, Java, Spark)
Chance to build scalable APIs and developer-facing tools
Impact on end-to-end feature development – from concept to production
Work in an environment that values ownership, independence, and collaboration

Project

You will join a team working on a developer platform powering advanced digital products and services. The role focuses on building scalable backend solutions, APIs, and tools that support large-scale applications and external developers.

As a Backend Engineer, you will contribute to designing and implementing distributed systems, processing large datasets, and enabling seamless integration between services. You will collaborate closely with engineering, data, and product teams to deliver high-quality solutions used in a global ecosystem.

The role combines hands-on development with active participation in architecture discussions, problem-solving, and cross-team collaboration.

Responsibilities

Design, develop, and maintain scalable backend systems and services
Build and optimize data processing pipelines using tools such as Apache Spark
Develop and maintain APIs and backend components for developer-facing platforms
Translate business and technical requirements into robust, high-quality code
Collaborate with cross-functional and international teams (engineering, product, data)
Participate in architecture discussions and propose improvements to system design
Ensure performance, reliability, and scalability of delivered solutions
Contribute to code reviews, testing, and CI/CD processes
Work both independently and collaboratively to solve complex technical problems

Technologies

Java
Scala
Apache Spark
Distributed systems & data processing
API design & backend architecture

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.

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