Senior Java Engineer – Crypto Trading Technology

IO TECH SOLUTIONS LIMITED; Greater London; On-site; GBP 120,000 - 200,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED in London is seeking an experienced Java Engineer to join a team building high-performance, low-latency trading systems for a leading digital asset firm. You will tackle complex problems in a fast-paced environment, delivering robust software for real-time markets and crypto trading.

You will work on low-latency pricing, market connectivity and performance optimisation on Linux, leveraging Docker, Kubernetes, and cloud tools to ensure throughput, reliability and

Qualifications

• 10+ years of relevant software development experience.
• Strong core Java skills and in-depth knowledge of concurrency and multithreaded programming.
• Experience developing low-latency pricing or trading systems in a Linux environment.
• Strong application performance profiling and optimisation experience.
• Background in OMS, market connectivity, low-latency messaging or price distribution.

Skills

Core Java

Concurrency

Multithreading

Low-latency systems

Performance profiling

Market connectivity

Linux development

Tools

Docker

Kubernetes

AWS

Aeron

29West

SBE

FIX

Job description

Looking to connect with experienced Java Engineers for an opportunity within a leading digital asset firm in London.

The team is building next-generation crypto trading systems, with a focus on high-performance, low-latency trading technology.

What they're looking for:

• 10+ years of relevant software development experience
• Strong core Java skills and in-depth knowledge of concurrency and multithreaded programming
• Experience developing low-latency pricing or trading systems in a Linux environment
• Strong application performance profiling and optimisation experience
• Background in one or more of OMS, market connectivity, low-latency messaging or price distribution

Additional experience that would be advantageous:

• eFX development and zero-GC environments
• FIX / SBE protocols
• Aeron, 29West or other low-latency messaging technologies
• Fault-tolerant, highly available distributed systems
• Docker, Kubernetes and AWS
• Exposure to digital assets / cryptocurrency

Location: London, UK