Fullstack Engineer

We are looking for a Full-Stack Engineer to build high-scale web applications using React Micro-Frontends Java/Spring Boot , and AWS. You will work in an AI-first Agile environment using Agentic AI tools (Claude, Codex)…

Pay rate £55 – £65/hour
Contract type Contract
Posted 9 September 2026

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About this contract

We are looking for a Full-Stack Engineer to build high-scale web applications using React Micro-Frontends Java/Spring Boot , and AWS. You will work in an AI-first Agile environment using Agentic AI tools (Claude, Codex) for rapid code generation while you direct architecture, specifications, code reviews, and quality assurance.

Required Tech Stack & Skills

Frontend:

React & TypeScript (HTML5, CSS, modern state management).

Direct experience with Micro-Frontend (MFE) architectures (e.g., Module Federation).

Backend:

Java & Spring Boot (building/consuming RESTful APIs & BFF layers).

Solid understanding of data modeling (SQL or NoSQL).

Cloud & DevOps:

Proficiency with AWS services (ECS/EKS, CloudFront, API Gateway, Lambda).

Infrastructure-as-Code (CloudFormation or AWS CDK) and Git CI/CD.

Agentic AI:

Hands-on experience using AI Coding Agents (Claude Code, GitHub Copilot, Codex) to generate, test, and refactor code.

Testing & Quality:

Unit/Integration testing across the stack (JUnit, Mockito, React Testing Library, Jest).

Experience monitoring system health (SLIs/SLOs).

Qualifications & Experience

7+ years of professional full-stack development experience.

Background working in product-oriented, retail, e-commerce, or consumer tech environments.

Bachelor's degree in CS/Software Engineering (or equivalent practical experience/bootcamp).

Randstad Technologies is acting as an Employment Business in relation to this vacancy

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