Senior Software Engineer (Java)

TP ICAP; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading financial services provider is seeking a Senior Java Developer to design and implement low-latency trading system components. This role requires deep expertise in Java, real-time systems, and distributed messaging technologies. The ideal candidate will be responsible for optimizing mission-critical trading services and collaborating with global teams. Strong communication skills and a commitment to performance are essential for success in this dynamic environment. Join a culture that values inclusivity and innovative solutions.

Qualifications

• Strong experience in designing and building high-performance Java services.
• Experience with real-time system architectures and memory performance.
• Ability to collaborate effectively across teams in a distributed environment.

Responsibilities

• Design and implement distributed Java services for electronic trading.
• Lead performance tuning and refactoring of Java components.
• Investigate production issues to ensure system stability and availability.

Skills

Java expertise

Experience with distributed messaging technologies

Performance tuning and optimisation

Strong communication skills

Tools

Maven

Git

Spring Boot

Kubernetes

Job description

The TP ICAP Group is a world leading provider of market infrastructure.

Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.

Through our people and technology, we connect clients to superior liquidity and data solutions.

The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform.

The Group operates from more than 60 offices in 27 countries. We are 5,300 people strong. We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist.

Role Overview

TP ICAP are looking for a Senior Java Developer delivering low‑latency, highly available trading system components with deep expertise in Java, FIX connectivity, and distributed real‑time messaging. In this role, you will be responsible for designing, building, and optimising mission‑critical trading services across multiple asset classes.

Role Responsibilities

• Design and implement distributed, fault‑tolerant Java services for electronic trading environments
• Lead performance tuning, optimisation, and refactoring of low‑latency trading components
• Investigate and resolve production issues, ensuring system stability and high availability
• Collaborate with global teams, including Architecture, DevOps, and Product
• Mentor and guide engineers to improve technical capability and engineering standards

Experience / Competences

Essential

• Strong experience designing and building high‑performance, low‑latency Java services within electronic trading
• Strong experience with distributed messaging technologies (Solace/Kafka) and real‑time systems
• Strong experience designing and building event‑driven systems deployed to cloud environments (AWS, EC2, EKS, Kubernetes)
• Experience with memory architectures and network performance in low latency platforms
• Experience with Maven or Gradle (Maven preferred), and JUnit
• Experience in Git or other source control systems
• Experience in CI/CD concepts
• Strong communication skills with the ability to collaborate effectively across globally distributed engineering, product, and operations teams

Desired

• Experience with FX, Credit, or Commodities electronic trading flows
• Knowledge of FIX engines and market connectivity workflows
• Knowledge of Linux engineering, troubleshooting, and performance optimisation
• Experience with Spring Boot or Google Guice dependency injection frameworks
• Experience with observability stacks (Open Telemetry, Grafana)
• Experience with distributed caching solutions such as Hazelcast
• Experience with BDD and automation frameworks (Cucumber)

Job Band & Level

• Manager / 6

Not The Perfect Fit?

Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn't align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organisation. Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution. Don't hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.

Company Statement

We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That's why we're building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute. TP ICAP Accord - our Employee Network - is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.

Location

UK - 135 Bishopsgate - London