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Opis oferty

Backend Engineer w Kraków, Polska

Synerise S.A.

  • ZdalniePraca z dowolnego miejsca
  • KontraktUmowa czasowa lub freelancing

14 000 – 20 000 zł

Kraków, Polska

Your responsibilities

  • Develop architecture and design patterns to process and store high volume data sets.
  • Develop software with a core focus around optimisation and performance.
  • Translate complex functional and technical requirements into detailed design.
  • Perform analysis of vast data stores and uncover insights.

Our requirements

  • Programming skills in Scala or other JVM language.
  • Programming skills in Rust or willingness to learn.
  • Solid understanding of Kafka and Kubernetes.
  • Experience with (at least one): Akka / ZIO / Cats.
  • Experience with SQL and NoSQL databases.
  • Hands-on experience using AI coding (e.g., Claude Code, Cursor, GitHub Copilot) as part of daily software engineering work.
  • Capacity to plan and scale systems to keep up with incredible growth.
  • Excellent troubleshooting and debugging skills.
  • A passion for building tools and automating everything.
  • Strong analytical skills.

Optional

  • Solid understanding of JVM internals (GC, profiling, heap and thread dumps).
  • Experience designing and operating microservices architectures.
  • Hands-on experience working in cloud environments (Azure and/or GCP), preferably with AKS.
  • Working knowledge of Java or Python.
  • Knowledge of ElasticSearch/Opensearch.
  • Basic knowledge of AI/ML concepts.

What we offer

  • Work on a production-grade, large-scale system used by enterprise customers worldwide.
  • Real technical challenges around performance, data volume, and distributed systems.
  • Opportunities for continuous technical growth and deeper ownership over system design.
  • Support from experienced engineers and a strong engineering culture.
  • Influence on architectural and technical decisions within your team.

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