Job Description

About the company
At Jump Labs we build products in data-retrieval and entertainment domains. We have subscription based services. We’re profitable, fully independent in terms of funding, and have an employee-friendly high-ownership culture.

We are looking for a Java engineer to reinforce our Backend team.

Requirements

Strong knowledge of core Java - language internals, collections, and object contracts
Solid understanding of concurrency and the Java memory model
Production-level experience with Spring Boot - DI, transaction management, application lifecycle
Practical experience with JPA/Hibernate and ORM performance pitfalls
Strong SQL and relational database fundamentals - transactions, indexing, locking strategies
Experience troubleshooting and optimizing production systems (performance, memory, query issues)
Understanding of building resilient, fault-tolerant services
English С1