Java Engineer – Electronic Trading Systems

EC1 Partners; Greater London; On-site; GBP 85,000 - 125,000; Full time

Job summary

EC1 Partners is seeking a backend engineer in London to build and enhance electronic trading systems. You’ll develop Java-based backend services that support high-volume trading, collaborating with product and trading stakeholders.

The role emphasizes performance, scalability, and reliability, with responsibility for production support and system design decisions in a fast-paced capital markets environment.

Qualifications

• Strong Java development experience.
• Experience with trading systems or financial services is preferred.
• Knowledge of high-throughput or low-latency systems.
• Experience with SQL and messaging systems.
• Experience in production system support.

Responsibilities

• Develop backend services using Java.
• Enhance performance, scalability, and reliability.
• Work closely with trading and product teams.
• Support production systems.
• Contribute to system design decisions.

Skills

Java development

High-throughput or low-latency

SQL knowledge

Messaging knowledge

Tools

SQL

Messaging

Job description

Role Overview

This role focuses on building and enhancing electronic trading systems used in fast-paced capital markets environments. You’ll develop backend services that support high-volume trading, working closely with product and trading stakeholders.

Key Responsibilities

• Develop backend services using Java

• Enhance performance, scalability, and reliability

• Work closely with trading and product teams

• Support production systems

• Contribute to system design decisions

Required Experience

• Strong Java development experience

• Trading systems or financial services exposure

• High-throughput or low-latency systems experience

• SQL and messaging knowledge

• Production system support experience

Nice to Have

• FIX protocol exposure

• Linux environment experience

• Cloud-native development

Why Join

• Core trading technology role

• High-performance systems

• Strong engineering culture