Backend Developer (Scala/ZIO)

Project overview

🚀 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.

Responsibilities

🛠 Tech Stack:

✅ What we expect:

⚡ Recruitment Process (Fast Track):

🌍 Why is it worth joining?

• 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
• Scala
• Akka (Actors, Streams, HTTP)
• ZIO
• Apache Kafka
• Slick / PostgreSQL
• AWS (EC2, S3, SQS/SNS)
• 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
• HR Screening
• Internal Technical Interview
• Client Technical Interview
• Final Client Meeting
• Long-term and stable fintech engagement
• Real impact on systems supporting the global financial market
• International engineering environment with modern technologies

Project details

• Start: flexible
• Remote: remote
• Location: Gdańsk, Czesława Miłosza 9/9, PL