Java Software Engineer
Randstad Digital • belfast, northern ireland • Posted May 29, 2026
Position Overview
We are seeking a highly skilled and motivated Senior Backend Engineer to join our client core development team. In this role, you will be responsible for designing, building, and maintaining high-performance, low-latency market connectivity applications and microservices.
The ideal candidate has a deep passion for core Java development, non-blocking I/O patterns, and financial data protocols, combined with a strong understanding of modern cloud architectures and Agile methodologies.
Technical Skills Required
- Experience with Java NIO components like Channels Buffers and Selectors is expected
- Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must
- Very strong in Java and Spring Boot based application development
- Experience with middle layer messaging services like JMS MQ EMS or Kafka
- Strong at RDBMS concepts and experience with Oracle Sybase or MS SQL
- Cloud e...