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Backend Developer (Scala/ZIO)

Remote (Poland)Found today
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🚀 Senior Scala Developer

We are looking for a Senior Scala Developer to join a globally recognized fintech project focused on post-trade automation and large-scale financial systems. Our client is a London-based technology company trusted by more than 180 financial institutions worldwide, including 25 of the 30 globally systemically important banks (G-SIBs). You’ll have the opportunity to work on mission-critical systems used across the global financial market — all while enjoying the flexibility of fully remote work.

💻 Your responsibilities:

  • Designing and implementing real-time financial data streaming components
  • Building and maintaining services based on Akka (Actors, Streams, HTTP)
  • Developing Kafka consumers with proper offset handling and advanced error management
  • Working with Slick and PostgreSQL (schema modeling, queries, migrations)
  • Writing unit and integration tests, especially for asynchronous code
  • Collaborating directly with the client’s engineering team in London

🛠 Tech Stack:

  • Scala
  • Akka (Actors, Streams, HTTP)
  • ZIO
  • Apache Kafka
  • Slick / PostgreSQL
  • AWS (EC2, S3, SQS/SNS)

✅ What we expect:

  • 4–5+ years of commercial Scala experience
  • Strong knowledge of Akka Actors & Akka Streams
  • Hands-on experience with ZIO in production environments
  • Practical experience with Apache Kafka and distributed systems
  • Experience with testing asynchronous applications
  • Knowledge of AWS/cloud environments
  • Fluent English communication skills

⚡ Recruitment Process (Fast Track):

  • HR Screening

  • Internal Technical Interview

  • Client Technical Interview

  • Final Client Meeting

🌍 Why is it worth joining?

  • Long-term and stable fintech engagement
  • Real impact on systems supporting the global financial market
  • International engineering environment with modern technologies

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ScalacBackend Developer (Scala/ZIO)
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