{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Senior Software Engineer – Front office”, “description”: “
Java Electronic Trading Engineer – Front office
London – Hybrid
The company
This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and tokenisation, they are scaling out their London trading technology team to build the next generation of crypto trading systems.
What you will get
- Up to £150,000 basic depending on experience.
- Discretionary bonus and equity / share schemes.
- Company-paid health and protective benefits for you and your dependents.
- Access to continuous learning, mentoring and personal growth.
- Free virtual coaching and counselling sessions.
- Hybrid working with a strong London office presence.
- Smart, entrepreneurial colleagues at the cutting edge of digital assets.
What you will do
- Build the next generation of low-latency crypto trading systems from the ground up.
- Develop core server-side Java components across order management, market connectivity, low latency messaging and price distribution.
- Work deep in the stack — performance profiling, optimisation and tuning under live trading conditions.
- Collaborate closely with front office traders, quants and product teams.
- Own issues end-to-end — from design through to production support.
- Contribute to the technical strategy of a fast-growing trading platform.
What you need:
- 10+ years of relevant Java development experience in a front office environment.
- Excellent core Java skills and exceptional knowledge of concurrency and multithreaded programming.
- Proven experience developing low latency pricing and trading systems in a Linux environment.
- Strong application performance profiling and optimisation skills.
- Experience working in a low latency, zero GC environment (eFX or similar a strong plus).
- Knowledge of institutional encodings (FIX, SBE) and low latency messaging (e.g. Aeron, 29West).
- Familiarity with fault tolerant, high availability, distributed computing.
- Crypto / digital asset experience or genuine curiosity about the space.
- A right to work in the UK without sponsorship.
Company: Harrington Starr
Location: London
Job Description:
Java Electronic Trading Engineer – Front office
London – Hybrid
The company
This is an unmissable opportunity for an experienced Java Electronic Trading Engineer to join one of the leading institutional digital asset firms in the market. With a global footprint and a platform spanning trading, asset management, custody and tokenisation, they are scaling out their London trading technology team to build the next generation of crypto trading systems.
What you will get
- Up to £150,000 basic depending on experience.
- Discretionary bonus and equity / share schemes.
- Company-paid health and protective benefits for you and your dependents.
- Access to continuous learning, mentoring and personal growth.
- Free virtual coaching and counselling sessions.
- Hybrid working with a strong London office presence.
- Smart, entrepreneurial colleagues at the cutting edge of digital assets.
What you will do
- Build the next generation of low-latency crypto trading systems from the ground up.
- Develop core server-side Java components across order management, market connectivity, low latency messaging and price distribution.
- Work deep in the stack — performance profiling, optimisation and tuning under live trading conditions.
- Collaborate closely with front office traders, quants and product teams.
- Own issues end-to-end — from design through to production support.
- Contribute to the technical strategy of a fast-growing trading platform.
What you need:
- 10+ years of relevant Java development experience in a front office environment.
- Excellent core Java skills and exceptional knowledge of concurrency and multithreaded programming.
- Proven experience developing low latency pricing and trading systems in a Linux environment.
- Strong application performance profiling and optimisation skills.
- Experience working in a low latency, zero GC environment (eFX or similar a strong plus).
- Knowledge of institutional encodings (FIX, SBE) and low latency messaging (e.g. Aeron, 29West).
- Familiarity with fault tolerant, high availability, distributed computing.
- Crypto / digital asset experience or genuine curiosity about the space.
- A right to work in the UK without sponsorship.
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Posted: May 20th, 2026