Senior Java Engineer — Latency‑Critical Trading Systems

Elity Global; Amsterdam; On-site; EUR 90,000 - 130,000; Full time

Job summary

Elity Global in Amsterdam is seeking a Senior Java Software Engineer to join an established algorithmic trading firm. You will build high-performance, low-latency systems where software directly influences trading outcomes.

You’ll collaborate with traders, quants and researchers, own features end-to-end, and implement modern Java (Java 21) with JVM optimisations, Docker and Kubernetes.

Qualifications

• 5+ years of professional Java software engineering experience.
• Experience developing software within an algorithmic trading or electronic trading environment is required.
• Strong expertise in modern Java, Java 17/21, with concurrency frameworks.
• Python experience for tooling, scripting or automation.
• Comfortable working in Linux environments.
• Experience with Docker, Kubernetes or similar container platforms.
• Strong debugging, analytical and performance optimisation skills.
• Excellent communication skills with the ability to work directly with traders, quants and researchers.
• Comfortable taking ownership and delivering high-quality software with minimal supervision.

Responsibilities

• Design, build, test, deploy and maintain Java applications that support electronic trading and trading operations.
• Work closely with traders, quants and researchers to translate trading ideas into production-ready software.
• Own features end-to-end, from design and implementation through testing, deployment and production support.
• Develop modern, high-performance Java applications using Java 21 and the latest language features and JVM improvements.
• Build reliable, scalable and low-latency systems operating in real-time market environments.
• Investigate production issues, optimise system performance and continuously improve platform reliability.
• Contribute to architecture, code reviews and technical design discussions.
• Drive automation, CI/CD and engineering best practices across the trading platform.

Skills

Debugging

Analytical thinking

Problem solving

Communication

Tools

Java

Python

Linux

Docker

Kubernetes

CI/CD

Job description

Elity Global in Amsterdam is seeking a Senior Java Software Engineer to join an established algorithmic trading firm. You will build high-performance, low-latency systems where software directly influences trading outcomes.

You’ll collaborate with traders, quants and researchers, own features end-to-end, and implement modern Java (Java 21) with JVM optimisations, Docker and Kubernetes.