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Backend Engineer (Kotlin/Java)

Romania/Poland

Engineering

Own your future:

Our culture isn't something people join, it's something they build and shape. We believe that every person deserves to be heard and empowered. If you're on the fence about whether you're a fit, we say go for it. Let’s build something great together.

We are seeking a talented and motivated Kotlin/Java Engineer to join our dynamic team! In this role, you will contribute to building a powerful data service that stores, modifies, and queries graph data structures, offering custom schema definitions and a proprietary DSL/query language.

Must-Have:

  • 5+ years of experience in Java
  • Strong expertise in distributed systems architecture and event-driven communication
  • Experience with relational databases (MySQL, PostgreSQL, or similar)
  • Hands-on experience with high-load and/or big-data solutions
  • Proven troubleshooting and problem-solving skills
  • English proficiency (verbal and written) at Upper-Intermediate level (B2) or higher

Nice to Have:

  • Experience with graph databases (Neo4j or similar)
  • Background in production support for high-load and high-availability systems
  • Proficiency in Kotlin (80% of our codebase)
  • Hands-on experience with AWS and cloud services
  • Knowledge of DevOps practices, CI/CD, and Kubernetes
  • Familiarity with test-driven development (unit, integration, and end-to-end testing)

Key Responsibilities:

  • Develop and enhance WEB services and APIs for our web applications, ensuring seamless functionality and user experience.
  • Design and implement algorithms and data structures for our graph database, focusing on high-performance, low-latency in-memory graph traversal.
  • Optimize and improve system performance to handle high-load scenarios and the processing of large amounts of data, ensuring the scalability and reliability of our platform.
  • Collaborate closely with design and product teams to translate business requirements into practical software product features.

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Backend Engineer (Kotlin/Java)

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