About this opportunity
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.
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