Fullstack Engg

Project overview

Job Title: Senior Full-Stack Engineer (Java & React)

About the Role

We are looking for an experienced Senior Full-Stack Engineer to design, build, and maintain high-performance, user-facing applications. In this role, you will work end-to-end-architecting distributed backend microservices in Java and building intuitive, responsive frontends using React.

Key Responsibilities

Required Qualifications

• Architect, develop, and deploy scalable backend microservices and RESTful/GraphQL APIs using Java (Spring Boot).
• Build responsive, component-driven web interfaces using React, TypeScript, and modern state management (Redux/Zustand).
• Collaborate with cross-functional teams (Product, Design, DevOps) to translate complex product requirements into robust technical solutions.
• Optimize applications for maximum speed, scalability, high availability, and low latency.
• Write clean, maintainable, and well-tested code (unit, integration, and E2E testing).
• Participate in design sessions, code reviews, and mentor junior engineers on engineering best practices.
• 5+ years of professional software engineering experience in full-stack web application development.
• Strong proficiency in Java (8+) and modern frameworks like Spring Boot / Spring Cloud.
• Deep expertise in React.js, including hooks, modern component architecture, and TypeScript / JavaScript (ES6+).
• Solid hands-on experience designing and consuming RESTful APIs and microservices architectures.
• Strong database skills with relational databases (e.g., PostgreSQL, MySQL) and/or NoSQL databases (e.g., MongoDB, Redis).
• Familiarity with build tools, CI/CD pipelines, and version control (Git, Docker, Kubernetes).
• Experience with testing frameworks (e.g., JUnit, Mockito, Jest, React Testing Library).

Nice to have

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

• Experience with cloud platforms (AWS, GCP, or Azure).
• Hands-on experience working on high-traffic, e-commerce, or marketplace-scale systems.
• Familiarity with message brokers such as Kafka or RabbitMQ.

Project details

• Start: flexible
• Duration: 6 Months
• Location: Manchester, Greater Manchester, GB
• Rate: 69-75 EUR/h
• Languages: English