Lead Java Engineer - Low-Latency Electronic Trading/Front-Office - New York

Senior Java Engineer Front-Office Banking | Rates & Credit | New York | Hybrid Long Contract

Are you a hands-on Java engineer who thrives on building high-performance, low-latency trading systems?

We have partnered with a well-established, globally recognised banking - financial services innovative FinTech company scaling up seeking an experienced Lead/Senior Java Engineer to help develop and optimise its front-office electronic trading platform across Rates and Credit.

This is an exciting opportunity to work on business-critical trading technology where performance, scalability and engineering quality make a tangible difference. You'll be involved in designing, coding and testing enhancements across market connectivity, pricing, RFQ workflows and straight-through processing (STP).

Why consider this opportunity?

• High-impact engineering: Optimise latency, throughput, concurrency and system performance across a front-office trading platform.
• Complex technical challenges: Work on messaging infrastructure, caching strategies, data structures and performance-sensitive applications.
• Front-office exposure: Contribute directly to electronic trading workflows across Rates and Credit.
• Long-term engagement: An opportunity to make a sustained contribution to a strategic banking technology platform.
• Competitive contract rate with flexibility depending on relevant experience.
• New York location: Hybrid working, with 3–4 days per week on-site in the New York metropolitan area.

The role

You'll take a hands-on role in the design, development, testing and optimisation of the electronic trading platform, including:

• Developing server-side Java applications for Rates and Credit electronic trading.
• Implementing and enhancing electronic communication network (ECN) connectivity.
• Supporting pricing engines, request-for-quote (RFQ) processing and STP workflows.
• Improving application latency, throughput, scalability and capacity.
• Optimising messaging layers, caching, data structures, multithreading and concurrency.
• Contributing to robust, maintainable production-quality code and automated delivery pipelines.
• Collaborating with technology and front-office stakeholders to deliver reliable, high-performance solutions.

What we're looking for

Essential experience

• Strong hands-on experience developing server-side applications in Core Java.
• A solid understanding of multithreading, concurrency, garbage collection, memory management and performance tuning.
• Experience with messaging technologies such as Solace, Kafka, Aeron or MQ .
• Strong SQL and relational database experience, ideally MS SQL Server or Oracle.
• Experience with CI/CD and DevOps tooling such as Jenkins, GitHub Actions or UrbanCode.
• Direct experience developing or supporting front-office electronic trading platforms in Fixed Income, Rates, Credit, Equities or FX .
• Practical understanding of market connectivity, ECNs, RFQ workflows, pricing and/or STP.
• Ability to work in the New York metropolitan area and attend the office 3–4 days per week.

Desirable experience

• AWS services, including S3, SQS, SSM and KMS.
• Proven experience optimising high-throughput, low-latency trading applications.
• Two or more years of application development experience within a front-office Fixed Income, Equities or FX environment.

Please apply asap with your CV showing all your relevant experience and skills and email your CV, daily rate/annualised gross salary expectations and availability to interview and start to

View email address on click.appcast.io

Marina Economidou, Executive Solutions Consultant