Senior Front-End Developer

We are seeking a Senior Front-End Developer to join a digital team delivering vital services that support citizens in times of need. This role focuses on building clear, simple, and accessible user interfaces for services used by millions of people across the UK.

Working with Node.js, Express, React, TypeScript, and templating engines , you will deliver accessibility-compliant solutions in line with Government Digital Service (GDS) standards . You will also collaborate with a community of developers, contributing to reusable patterns, components, and best practices that benefit multiple teams across the department.

Contract Length: 12 months

Location: Hybrid 3 days per week onsite in either Leeds or Newcastle

Day Rate: 575.00 - 675.00

IR35: In scope

Key Responsibilities

As a Senior Front-End Developer, you will:

• Lead and promote the technical direction of reusable front-end components and patterns.
• Build accessible, user-focused services that work effectively across multiple devices and browsers.
• Work with back-end teams to ensure seamless integration and high standards of delivery.
• Contribute to agile ceremonies and deliver iteratively using test-driven development (TDD/BDD).
• Release, maintain, and support code packages within modern CI/CD environments.
• Coach, mentor, and guide junior colleagues, promoting collaboration and consistency across teams.
• Contribute to the wider engineering and user-centred design communities.

Essential Skills & Experience

• Significant expertise in front-end development of large-scale systems with high transaction volumes and complex business processes.
• Strong working knowledge of HTML, CSS, JavaScript, TypeScript, Node.js , and modern front-end frameworks (e.g. React).
• Proven experience building WCAG-compliant, accessible user interfaces .
• Skilled in writing unit tests and delivering thorough test coverage using tools such as Jest or Mocha .
• Experience integrating with APIs, databases (SQL/NoSQL), caching tools (e.g. Redis), and cloud infrastructure (AWS/Azure).
• Ability to influence, lead front-end activities, set best practice, and mentor other developers.

Desirable Experience

• Previous experience working within central government
• Knowledge of public cloud technologies and cloud hosting.
• Experience working in Agile delivery environments .

This is a fantastic opportunity to use your skills to create meaningful, user-centred digital services that have a real impact on peoples lives.