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Senior Java Developer (contract) to join a global financial services firm's Electronic Fixed Income (eFI) Technology team in London, working in a front-office electronic trading environment. You will build and optimise low-latency, high-performance Java trading systems for institutional clients and support the rollout and optimisation of TransFICC connectivity across pricing, RFQ, execution and market-data workflows. This is an initial 6-month hybrid contract (Inside IR35) with a competitive day rate via umbrella.

Compensation: Not specified
City: London
Country: United Kingdom

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Senior Java Developer - Electronic Trading

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TP442311_1769003342 Posted: 21/01/2026

Negotiable
London
Contract

Location: London
Contract Type: Inside IR35
Day Rate: Competitive (via umbrella)
Contract Length: Initial 6 months (extension likely)
Working Model: Hybrid
Level: Senior / VP-equivalent individual contributor

Overview

A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team.

This role sits in a front-office electronic trading environment, focused on building and optimising low-latency, high-performance Java trading systems used by institutional clients.

A core part of the engagement will be supporting the rollout and optimisation of TransFICC connectivity, alongside ongoing performance improvements across pricing, RFQ, execution, and market-data workflows.

Required Experience

Extensive background in electronic trading systems
Strong low-latency Java development experience
Deep knowledge of Core Java, concurrency, and multi-threaded design
Proven delivery of high-volume, real-time trading platforms
Strong understanding of Fixed Income or FX trading workflows
Experience with RFQ lifecycles within larger trading ecosystems
Solid grasp of:
- Object-Oriented Design
- Domain-Driven Design (DDD)
- Test-Driven Development (TDD)
Linux systems experience
Networking fundamentals: TCP, UDP, Ethernet, HTTP
Hands-on experience with:
- Performance profiling and monitoring
- Fault-tolerant system design
- Infrastructure-as-Code (AWS, Ansible or similar)
Ability to work autonomously, take ownership, and deliver under pressure
Strong communication skills with both technical and non-technical stakeholders

Experience expectations

8+ years building trading systems
At least 5 years in electronic / eTrading environments
Track record delivering low-latency, performance-critical applications

Desirable

Agile / Scrum delivery experience
CI/CD pipelines and automated testing
Experience working in regulated front-office trading environments

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

Tristan Pitt Principal Consultant

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Full Job Description

Signed in as

About Us
- Meet the Team
- DE&I
Job Search
Services
- Recruitment Services
- Contractor Hub
Sectors
- Financial Services
- Professional Services
- FMCG
- Public Sector
- IT, Media & Entertainment
- Retail
- Energy
- Pharmaceuticals
Specialisms
- Business Support & Secretarial
- Change & Transformation
- Compliance, Governance & Legal
- Cloud, DevOps & Infrastructure
- Data & Analytics
- Development & Testing
- Digital Marketing, Communications & Sales
- Finance, Audit & Accounting
- HR & Talent Management
- Information & Cyber Security
- Project & Programme Management
- Risk Management & Quantitative Analyitcs
- Procurement & Supply Chain
Insights
- Articles
- Downloads
Work For Us
Contact Us
- London
- Manchester
- Edinburgh
- Glasgow
- Poland
- Dubai
- Saudi Arabia
- North America

Job Type

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Permanent

Contract

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