Senior Backend Developer (Scala/ZIO)

Quick Facts

• Role: Senior Scala (Backend) Developer
• Focus: post-trade automation and large-scale financial systems
• Work style: Fully remote

Description

Join a fintech engineering team building mission-critical systems used across the global financial market. You will design and implement real-time financial data streaming components and develop production services using Scala with Akka and ZIO. The role includes working with Kafka consumers, PostgreSQL via Slick, and writing unit/integration tests for asynchronous code.

Role & Responsibilities

• Design and implement real-time financial data streaming components
• Build and maintain services based on Akka (Actors, Streams, HTTP)
• Develop Kafka consumers with proper offset handling and advanced error management
• Work with Slick and PostgreSQL for schema modeling, queries, and migrations
• Write unit and integration tests, especially for asynchronous code
• Collaborate with the client’s engineering team in London

Requirements

• 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

Benefits

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