Expert Java Engineer

We are looking for an Expert Java Engineer to join a global team building and evolving mission-critical financial systems. This role is ideal for an experienced back-end engineer who enjoys designing scalable solutions, influencing architecture, and working on high-performance distributed systems.

 

We offer:

📍 Location: Kraków, Poland (Hybrid – 6–8 office visits per month)*
💰 Rate: Up to 190 PLN/h (B2B)

 

* Hybrid Model

  • Based in Kraków with 6–8 office days per month.
  • Candidates living outside Kraków are welcome to apply. If you are willing to travel to the office, we will cover your travel and accommodation costs.

 

Responsibilities:

  • Design and develop scalable microservices and REST APIs.
  • Build high-performance, highly available back-end applications.
  • Develop and operate cloud-native solutions on Kubernetes and GCP.
  • Contribute to architecture decisions and technical roadmaps.
  • Optimize databases, integrations, and distributed systems.
  • Drive engineering best practices across CI/CD, security, and software quality.
  • Collaborate closely with business stakeholders and global engineering teams.
  • Mentor developers and support technical delivery.

 

We are looking for:

  • 5+ years of professional software engineering experience.
  • Strong hands-on experience with Java.
  • Solid experience with REST APIs and microservices architecture.
  • Experience with messaging systems (RabbitMQ or similar).
  • Strong SQL database knowledge.
  • Hands-on experience with Kubernetes.
  • Experience working with cloud platforms (preferably GCP).
  • Knowledge of NoSQL databases and distributed systems.
  • Experience with CI/CD pipelines and Agile methodologies.
  • Strong understanding of scalability, performance, and high-availability architectures.
  • Experience in the banking or capital markets domain, preferably related to trade lifecycle, post-trade processing, or FX products.

 

Nice to Have

  • Experience with Go or Rust.
  • Experience with ClickHouse or other analytical databases.
  • Front-end development experience.
  • Knowledge of API governance.
  • Experience with large-scale data processing environments.

 

This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł!
Referral Program: Talent from your network


Don't hesitate and apply now!

32/6/2026/r/3612

ID: 1604 job_post.published_on: 26/06/2026
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