Senior Java Developer

We're looking for an experienced Senior Java Developer to join a growing engineering team building cutting-edge post-trade technology solutions within a cloud-first environment.

This is an opportunity to work on business-critical applications, APIs, client reporting platforms and web portals while customising sophisticated trading systems used across the capital markets landscape. You'll collaborate directly with Product, Client Services and Engineering leadership to deliver scalable, high-performance software and help shape the future direction of the platform.

If you enjoy solving complex technical challenges, mentoring developers and working with modern technologies including cloud infrastructure and AI, we'd love to hear from you.

The Role

You'll play a key role in designing and delivering enterprise-grade software while contributing to architectural decisions, development standards and engineering best practice.

Responsibilities include:

• Designing, developing and enhancing Java-based applications, APIs and web platforms
• Customising and extending third-party trading systems
• Building scalable microservices and distributed applications
• Writing clean, maintainable, test-driven code using SOLID principles and design patterns
• Working closely with business stakeholders to translate requirements into technical solutions
• Participating in architecture discussions, code reviews and continuous improvement initiatives
• Mentoring and supporting developers while promoting engineering excellence
• Collaborating with global development teams and contributing to Agile delivery
• Leveraging AI tools to improve developer productivity throughout the SDLC.

About You

You'll have strong Java development experience gained within Financial Services and enjoy working in a collaborative, fast-paced engineering environment.

Essential Skills

• 7+ years' commercial Java development experience
• Previous experience within Financial Services ideally capital markets
• Strong Java 11+ and Spring Boot development
• Multi-threading, performance optimisation and profiling
• Experience building microservices
• TDD and automated testing (JUnit, Mockito, Spock)
• Maven and Git
• CI/CD pipelines and DevOps practices
• Excellent understanding of SOLID principles, Design Patterns and Clean Code
• Strong stakeholder communication skills
• Ability to analyse complex problems and deliver practical solutions
• Capital Markets knowledge, ideally within Clearing or Prime Brokerage.

Desirable

• Previous team leadership or mentoring experience
• Knowledge of Groovy, FIX/FIXML, FpML, REST APIs, JSON or messaging technologies
• Experience developing client portals and reporting platforms
• Experience working with distributed or offshore development teams.

Technical Environment

You'll have exposure to modern engineering technologies including:

• Java 11+
• Spring Boot
• Cloud platforms (Azure, AWS or GCP)
• Microservices & Event-Driven Architecture
• Terraform
• Azure DevOps, GitHub or Jenkins
• CI/CD pipelines
• AI-enabled development tools
• Secure SDLC
• Infrastructure as Code
• Observability and monitoring.

Why Apply?

This is an excellent opportunity to join a highly collaborative engineering team where technology is viewed as a strategic advantage.

You'll benefit from:

• Competitive salary and annual bonus
• Hybrid working (3 days in the office)
• Private healthcare
• Pension
• Life Assurance
• Critical Illness cover
• Opportunity to work with modern cloud technologies and Azure AI
• Exposure to Capital Markets including Clearing, Prime Brokerage and Collateral Management
• Genuine career progression and leadership opportunities.

Apply

If you're an experienced Java Developer looking to work on challenging, business-critical systems within a modern cloud environment please click apply now.