Full Stack Engineer

Senior Full Stack Software Engineer | Java, Spring Boot & React

London | Hybrid: 2 days per week in the office

Salary up to £90,000

James Adams is working with a global financial information business to recruit a Senior Full Stack Software Engineer.

You’ll build applications that help analysts and business teams work with complex financial data, with scope to influence technical architecture, improve engineering standards and mentor other developers.

The core stack is Java, Spring Boot and React. Experience with C#/.NET or Python would also be useful, but isn’t essential.

What you’ll be doing:

• Designing and developing scalable applications, combining Java and Spring Boot services with responsive React interfaces.
• Making architectural decisions and helping establish consistent engineering practices across teams.
• Working closely with product managers, analysts and stakeholders to turn business requirements into practical solutions.
• Improving application performance, reliability and maintainability.
• Contributing to CI/CD pipelines, code reviews and technical discussions.
• Mentoring engineers and exploring practical uses of emerging technologies, including AI.

What we’re looking for:

• 10+ years of hands-on experience developing enterprise applications.
• Strong backend development skills in Java and Spring Boot, alongside production experience with React.
• A track record of designing scalable, maintainable systems and making sound architectural decisions.
• A solid understanding of design patterns, data structures and modern web development.
• The ability to explain technical decisions clearly and work effectively with technical and non-technical colleagues.

Additional experience that would be useful:

• C#/.NET and/or Python.
• Cloud platforms, microservices, Docker and Kubernetes.
• GitHub and CI/CD tooling.
• Financial services, analytical applications or complex business workflows.
• An interest in applying AI and intelligent automation to everyday engineering and business problems.

You’ll join a global engineering team with access to training, certifications and mentoring, plus opportunities to progress towards principal engineering, architecture or technical leadership.