Backend Developer (Java)
- Belgrade
- Krakow
- Lodz
- Lublin
- Remote.Poland
- Warsaw
- Wroclaw
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Client
Project overview
Position overview
The ideal candidate is someone who focuses not only on completing tasks but also on understanding user needs and delivering practical, high-quality solutions.
Responsibilities
- Develop and maintain backend services using Java and related technologies.
- Write clean, maintainable, and testable code.
- Create unit tests and participate in integration or performance testing when needed.
- Take part in code reviews.
- Contribute to solving complex technical problems with attention to performance, security, and user experience.
- Collaborate with cross-functional teams to design, implement, and support product features.
Requirements
- 4+ years of experience in backend development of commercial web applications using Java.
- Strong understanding of core computer science concepts (data structures, algorithms, complexity).
- Experience designing and working with APIs.
- Experience building or supporting distributed and scalable systems.
- Hands-on experience with technologies such as Kubernetes, Kafka, Cassandra, or similar tools.
- Good understanding of concurrency and multithreading in Java.
- Upper-Intermediate English or higher.
- Ability to work independently in a distributed team and communicate effectively in a multicultural environment.
Nice to have
- Experience with Kotlin.
- Experience with performance optimization.
- Experience contributing to technical design and specifications.
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We offer
Vacation
As per the laws of your country. We do ask you to take a proper rest
Health insurance
We help you to take out an insurance policy for you and your loved ones
Sick pay
10 days without a doctor's note, afterwards - as per the laws of your country
Time off for state holidays
According to the official calendar, regardless of the client’s schedule
Pleasant environment
Two large corporate parties and many small get-togethers for colleagues
Comfort service
Solving technical and everyday problems at work
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