Java Full Stack Developer (Broker Dealer / Capital Markets)

Capgemini; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Capgemini is seeking a Java Full Stack Developer to join the Financial Services unit in London. You will deliver scalable, secure, high-performance solutions for Broker Dealer and Capital Markets clients in a hybrid work setting across offices, client sites, and home.

The role requires strong Java, Spring, REST/microservices, and database expertise, with a focus on architecture, CI/CD, and collaboration with product owners and QA. Capgemini offers extensive training and career progression.

Qualifications

• Strong Handson experience in Java 8 11 17 and Spring Boot Kafka Spring MVC Spring Security
• Solid experience with REST Apis Microservices Architecture and messaging systems Kafka RabbitMQ
• Experience with relational databases such as Oracle SQL Server or PostgreSQL
• Good understanding of ORM frameworks like Hibernate JPA
• Familiarity with build and dependency tools Maven Gradle
• Experience with version control systems such as Git
• Strong knowledge of software design principles data structures and multithreading concurrency
• Excellent analytical problem solving and communication skills

Responsibilities

• Design develop test and deploy full stack applications using Java
• Must to have UK Broker dealer and capital market experience
• Build robust RESTful APIs and microservices for high-volume low latency systems
• Collaborate with product owners business analysts architects and QA teams to deliver high-quality solutions
• Develop responsive reusable UI components and integrate them with backend services
• Participate in architecture code reviews and technical design discussions
• Optimize application performance reliability and scalability
• Implement best practices for security data protection and compliance in financial systems
• Create and maintain technical documentation for code APIs and deployment processes
• Troubleshoot production issues and provide timely resolution in collaboration with support teams
• Contribute to CICD pipelines and DevOps automation practices

Skills

Java 8/11/17

Spring Boot

Kafka

Spring MVC

Spring Security

REST APIs

Microservices

Relational databases

Hibernate

JPA

Maven

Gradle

Git

Design principles

Data structures

Multithreading

Analytical skills

Communication

Tools

Oracle

SQL Server

PostgreSQL

Docker

Kubernetes

Job description

Join Capgemini’s Financial Services Business Unit within the Cloud & Custom Applications (C&CA) practice, where we Consult with Purpose. Continuously Evolve. Architect Tomorrow. We are seeking a talented Java Full Stack Developer to help deliver scalable, business-critical solutions for Broker Dealer and Capital Markets clients. This role is ideal for an experienced engineer who combines strong technical expertise with a collaborative mindset and a passion for delivering client outcomes. You will work with multidisciplinary teams to build modern, secure, and resilient applications while contributing to a future-ready, AI-fluent engineering culture that drives meaningful business value.

The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

Key Responsibilities:

• Design develop test and deploy full stack applications using Java
• Must to have UK Broker dealer and capital market experience
• Build robust RESTful APIs and microservices for high-volume low latency systems
• Collaborate with product owners business analysts architects and QA teams to deliver high-quality solutions
• Develop responsive reusable UI components and integrate them with backend services
• Participate in architecture code reviews and technical design discussions
• Optimize application performance reliability and scalability
• Implement best practices for security data protection and compliance in financial systems
• Create and maintain technical documentation for code APIs and deployment processes
• Troubleshoot production issues and provide timely resolution in collaboration with support teams
• Contribute to CICD pipelines and DevOps automation practices

Must-Have Skills

• Strong Handson experience in Java 81117andSpring Boot Kafka Spring MVC Spring Security
• Solid experience with REST Apis Microservices Architecture and messaging systems Kafka RabbitMQ
• Experience with relational databases such as Oracle SQL Server or PostgreSQL
• Good understanding of ORM frameworks like Hibernate JPA
• Familiarity with build and dependency tools Maven Gradle
• Experience with version control systems such as Git
• Strong knowledge of software design principles data structures and multithreading concurrency
• Excellent analytical problem solving and communication skills

Good-to-Have Skills:

• Experience in financial services investment banking or capital markets
• Exposure to cloud platforms AWS Azure GCP and containerization Docker Kubernetes
• Knowledge of caching and performance tools Redis Elastic profiling tools
• Familiarity with CICD tools such as Jenkins GitHub Actions or similar
• Experience with automated testing frameworks JUnit Mockito Cypress Selenium
• Understanding of secure coding and regulatory compliance requirements in banking environments

We are a Disability Confident Employer:

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

• Declare they have a disability, and
• Meet the minimum essential criteria for the role.

Please opt in during the application process.

Make It Real (what does it mean for you):

• You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions.
• To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.
• You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard Manage Mentor, Cybersecurity qualifications and much more.
• You will be joining one of the World’s Most Ethical Companies®, as recognised by Ethisphere® for 13 consecutive years. We live our values by making ethical business choices every day. Working ethically is at the centre of our culture at Capgemini, meaning you will be helping to create a future we can all be proud of.

Why you should consider Capgemini:

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini:

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion.

Java Full Stack Developer (Broker Dealer / Capital Markets) London