Lead Full Stack React Developer

Csi Global Ltd โ€” United Kingdom ยท Posted ~2 days ago

Lead Contract Onsite

Skills

React TypeScript PostgreSQL HTML CSS

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Summary

Lead frontend engineering, design scalable web applications, mentor developers, and establish engineering standards using modern web technologies.

Highlights

Six-month leadership contract with frontend architecture ownership and mentoring responsibilities.

Description

React Full stack Lead Developer Sheffield, UK 6 Months contract: Skills: react, Typescript and PostgreSQL As a Senior React Developer you will design build and maintain the user facing parts of web applications creating interactive accessible and visually appealing experiences.You will take ownership of frontend architecture and system design decisions ensuring the application performs reliably across devices and browsers while meeting high standards for usability accessibility and maintainability.You will also act as POD lead and supporting Junior react developer. Responsibilities: Lead the design and development of complex React-based user interfaces using modern JavaScript/TypeScript, HTML, and CSS.Own frontend system design for key journeys, balancing performance, accessibility, security, scalability, and developer experience.Build reusable component libraries and patterns to drive consistency across products and teams.Improve existing codebases by debugging issues, enhancing layouts, and adding new functionality with high-quality engineering practices.Ensure cross-browser and responsive behaviour across desktop and mobile devices.Champion accessibility (e.g., semantic HTML, keyboard navigation, ARIA where appropriate) and inclusive design practices.Collaborate closely with product, UX/UI, backend engineers, and QA to deliver seamless end-to-end experiences.Drive code quality through reviews, testing strategies, and CI/CD best practices.Mentor engineers and contribute to engineering standards, documentation, and ways of working. Skills Mandatory Skills : React, TypeScript, PostgreSQL