Java Developer React

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

Job summary

Talan is searching for a skilled Java Developer with React experience to enhance their Front Office solutions in Global Markets. You will be key in designing regulatory and sales enablement platforms while collaborating closely with business stakeholders.

This role involves developing high-impact, real-time applications in a fast-paced environment, working cross-functionally in a distributed, agile delivery model. Strong experience in server-side Java and web-based applications is essential.

Qualifications

• Strong experience in server-side Java development.
• Experience building web-based applications and REST APIs.
• Good understanding of application performance and optimization.
• Excellent communication skills, both written and verbal.
• Ability to operate effectively in agile environments.

Responsibilities

• Design, develop, and maintain front-office sales tools.
• Contribute to the full software development lifecycle.
• Build and enhance high-performance, low-latency applications.
• Develop RESTful APIs and modern web interfaces with React.
• Work alongside production support teams for operational stability.
• Participate in code reviews and continuous improvement.

Skills

Java (server-side development)

Web-based applications

REST APIs

Application performance optimization

Excellent communication skills

Agile environments

Relational databases

SQL

Investment banking knowledge

Multi-threaded systems

CI/CD tools

Deployment tools (Ansible)

Front office trading systems

Monitoring 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