Full Stack Engineer- London

United States Digital Space LLC; Greater London; On-site; GBP 65,000 - 95,000; Full time

Job summary

FDM is seeking a highly capable Full Stack Engineer to join a key engineering team delivering strategic lending and banking technology initiatives in London. The role is a hybrid 3 days in office, initially a 3 month contract with potential extension, involving hands-on Java, React, cloud-native AWS, and microservices work.

You will design, build, test and deploy scalable applications, contribute to RESTful APIs, modernize platforms, and collaborate with cross-functional teams in an agile

Qualifications

• 5+ years' commercial experience in Full Stack Engineering.
• 5+ years' experience with Java development.
• 5+ years' experience with React and/or React Native.
• Strong experience with Spring Boot.
• REST API design and development.
• Microservices architecture.
• SQL and database technologies.
• TDD, BDD and integration testing practices.
• CI/CD pipeline implementation.
• AWS cloud engineering.
• DevOps and continuous delivery experience.
• Secure coding practices.
• Strong analytical and problem‑solving skills.
• Previous Banking or Financial Services experience.

Responsibilities

• Design, develop and maintain scalable full-stack applications.
• Build high-quality RESTful APIs and microservices using Java and Spring Boot.
• Develop responsive front-end solutions using React and/or React Native.
• Contribute to cloud-native application development on AWS.
• Implement secure coding standards and engineering best practices.
• Develop automated testing and integration solutions.
• Participate in CI/CD pipeline development and continuous delivery initiatives.
• Collaborate with architects, product owners and feature teams to deliver business outcomes.
• Support platform modernisation and transformation programmes.
• Troubleshoot complex technical issues and drive continuous improvement.

Skills

Full Stack Engineering

Java

React

Spring Boot

REST APIs

Microservices

SQL

TDD/BDD

CI/CD

AWS

DevOps

Secure coding

Analytical skills

Banking/FS experience

Tools

Jira

Confluence

SonarQube

Veracode

Job description

About The Role

FDM is a global business and technology consultancy seeking a Full Stack Engineer to work for our client within the finance sector. This is initially a 3 month contract with the potential to extend and will be a hybrid 3 days a week in office role that will be based in London.Our client is seeking a highly capable Full Stack Engineer to join a key engineering team delivering strategic lending and banking technology initiatives. This role requires a hands‑on engineer with strong experience across modern Java backend development, React-based front-end technologies, cloud‑native engineering, and microservices architecture.

The successful candidate will contribute across the full software development lifecycle, working within agile feature teams to design, build, test and deploy scalable applications supporting critical business services.

Responsibilities:

• Design, develop and maintain scalable full-stack applications.
• Build high-quality RESTful APIs and microservices using Java and Spring Boot.
• Develop responsive front-end solutions using React and/or React Native.
• Contribute to cloud-native application development on AWS.
• Implement secure coding standards and engineering best practices.
• Develop automated testing and integration solutions.
• Participate in CI/CD pipeline development and continuous delivery initiatives.
• Collaborate with architects, product owners and feature teams to deliver business outcomes.
• Support platform modernisation and transformation programmes.
• Troubleshoot complex technical issues and drive continuous improvement.

About You

• 5+ years' commercial experience in Full Stack Engineering.
• 5+ years' experience with Java development.
• 5+ years' experience with React and/or React Native.
• Strong experience with Spring Boot.
• REST API design and development.
• Microservices architecture.
• SQL and database technologies.
• TDD, BDD and integration testing practices.
• CI/CD pipeline implementation.
• AWS cloud engineering.
• DevOps and continuous delivery experience.
• Secure coding practices.
• Strong analytical and problem‑solving skills.
• Previous Banking or Financial Services experience.

Desirable Skills:

• Lending domain experience.
• Agile delivery experience.
• Event-driven architecture.
• SonarQube and Veracode.
• Jira and Confluence.
• Test automation frameworks.
• Platform migration and legacy decommissioning projects.
• Strategic and solution-focused mindset.

About Us

FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award‑winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK ‘Best Employer’.

Diversity and Inclusion

the company is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.

Why join us

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave and work-place pension