Java Developer (React)

Job Description

Java Developer (React)

Location - London

On-Prem 3 Days per Week

Talan is looking for a talented Java Developer with React experience to join our team delivering cutting-edge Front Office solutions within Global Markets environments.

You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms, directly supporting front-office users and business stakeholders across capital markets.

This is an exciting opportunity to work on high-impact, real-time applications in complex trading environments, collaborating with both business and technical teams to drive innovation and performance.

You will be part of a Front Office technology ecosystem supporting Global Markets activities, working on advanced sales and trading tools used by front-office teams.

The role operates within a distributed, agile delivery model, collaborating closely with:

• Business stakeholders (sales & trading)


• Application support teams


• QA and testing teams


• Distributed development teams across Europe and globally

You will contribute to the development of modern, scalable applications used in fast-paced, business-critical environments.

Key Responsibilities

• Design, develop and maintain front-office sales tools and associated applications


• Contribute across the full software development lifecycle (analysis, design, development, testing, deployment, and support)


• Build and enhance high-performance, low-latency applications


• Develop RESTful APIs and modern web interfaces (React)


• Collaborate closely with business stakeholders to understand requirements and deliver value-driven solutions


• Work alongside production support teams to ensure smooth releases and operational stability


• Provide 3rd line support and assist in troubleshooting production issues


• Participate in code reviews and continuous improvement initiatives

Skills & Experience (Required)

• Strong experience in Java (server-side development)


• Experience building web-based applications and REST APIs


• Solid experience with JavaScript frameworks, particularly React


• Good understanding of application performance and optimisation


• Excellent communication skills, both written and verbal


• Ability to operate effectively in agile, collaborative environments


• Experience with relational databases and SQL


• Exposure to investment banking or capital markets environments


• Experience with multi-threaded and distributed systems


• Familiarity with CI/CD tools (Jenkins, TeamCity) and deployment tools (Ansible)


• Knowledge of front office trading systems (FX, Rates, Credit, or derivatives)


• Experience with monitoring and observability tools


• Strong problem-solving mindset with a proactive approach

Additional Information

#TalanUK