Java Developer (React)

Talan Group; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Talan Group is seeking a talented Java Developer with React experience to join their team delivering front-office solutions within Global Markets. This role is essential for designing and enhancing regulatory and sales platforms, contributing to modern, scalable applications.

The ideal candidate will possess strong Java skills, experience in web applications, and a proactive, problem-solving mindset while working in collaborative environments.

Qualifications

• Strong experience in Java (server-side development).
• Experience in building web-based applications and REST APIs.
• Good understanding of application performance and optimization.

Responsibilities

• Design, develop and maintain front-office sales tools and associated applications.
• Contribute across the full software development lifecycle.
• Build and enhance high-performance, low-latency applications.

Skills

Java (server-side development)

Web-based applications and REST APIs

Application performance and optimization

Communication skills

Agile environments

Relational databases and SQL

Investment banking or capital markets

Multi-threaded and distributed systems

CI/CD tools (Jenkins, TeamCity)

Front office trading systems

Monitoring and observability tools

Problem-solving mindset

Tools

Jenkins

TeamCity

Ansible

Job description

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
• 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