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Full Stack Developer (ReactJS / Java)

Job Title: Senior Full Stack Engineer Contract: 6 months initially - Inside IR35 Working Pattern: Full Time / Hybrid working on client site Industry: Financial Services Are you a passionate Senior Full Stack Engineer…

Inside IR35 Hybrid IT
Contract type Contract
Posted 25 June 2026

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About this contract

Job Title: Senior Full Stack Engineer
Contract: 6 months initially - Inside IR35
Working Pattern: Full Time / Hybrid working on client site
Industry: Financial Services

Are you a passionate Senior Full Stack Engineer ready to make an impact in the Financial Services industry sector? Our client is on a mission to enhance FS processes by developing cutting-edge in-house solutions. We are looking for a talented individual to join their dynamic team, driving engineering excellence and change while delivering top-notch applications for users managing their banking activities.

What You'll Do:
As a Senior Full Stack Engineer, you will play a pivotal role in:

Hands-On Development: Delivering code to production and supporting the system's architecture aligned with a microservice structure.
Leading by Example: Driving the team to deliver code at an accelerated pace, showcasing reliability and volume of change.
Engagement: Actively collaborating with business and engineering leadership to understand requirements fully and disseminate them across the team.
Innovation: Bringing fresh ideas and solutions to the table, leveraging your understanding of broader requirements.
Global Collaboration: Working seamlessly with a global team, coordinating activities across various regions.
Problem Solving: Proactively removing impediments and communicating risks to programme management.
Process Improvement: Identifying inefficiencies and implementing innovative solutions to enhance productivity.

What We're Looking For:
To thrive in this role, you should possess:

Extensive experience in software engineering, particularly in designing, developing, and deploying backend applications.
Proven expertise in driving engineering and cultural change across teams.
Experience designing microservices and understanding wider microservice architecture.
A strong track record of leading teams to deliver production changes with high cadence.
Proficiency in CI/CD practises and development.
Skills in designing and delivering RESTful APIs to production.
Extensive experience working with PostgreSQL databases.
Strong experience with Java
Familiarity with container technologies, including Docker, Kubernetes, and GCP.
Expertise in developing UI applications using ReactJS.
Experience migrating databases, such as from MongoDB to PostgreSQL.
A background in the financial sector

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you

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