About Biglight
Biglight is an experience design agency that combines customer insight, UX and design with constant innovation and experimentation to help leading brands create remarkable customer experiences.
We're expanding our capabilities into
component library and design system development
for enterprise clients. This role focuses on building and maintaining a sophisticated UI component library that powers both e-commerce and B2B web applications for a major UK brand.
You'll be working with modern frontend technologies (
Preact, TailwindCSS, and Storybook
)to create reusable, accessible and pixel-perfect components that form the foundation of our client's digital experiences. The library includes
70+ components
,
200+ documented stories
and supports
multiple themes
with automated CSS generation.
This is a hands-on development role where you'll own components end-to-end: from implementation through Storybook documentation, accessibility compliance, and cross-theme testing. Each component you build gets its own QA environment and you'll collaborate closely with designers through integrated Figma tooling.
You'll be working alongside the client's product engineering team, participating in daily standups and contributing to a shared roadmap that includes
UI elevation across the platform
, a
mobile-first redesign
, and
new feature development
.
This is also a
client-facing role
. You'll join client standups, take requirements directly from stakeholders, and collaborate closely with their product and engineering teams. We're looking for someone confident in communicating with clients, comfortable asking clarifying questions and able to translate business needs into robust technical solutions in partnership with the wider team.
Requirements
Who we are looking for
We're looking for a detail-oriented
Frontend Component Developer
with solid experience in JavaScript frameworks, component-driven development and utility-first CSS. You'll enjoy the craft of building reusable UI, taking pride in clean APIs, thorough documentation and pixel-perfect implementation.
This is a role for someone who cares about accessibility as a core requirement (not an afterthought), understands the value of design systems and can work independently while collaborating effectively with designers and other developers.
You'll be comfortable working within an established component architecture, following conventions and contributing improvements to build processes and tooling.
Key Responsibilities
Develop and maintain reusable UI components using Preact and TailwindCSS
Create comprehensive Storybook stories with interactive controls, documentation and usage guidance
Implement responsive, mobile-first designs aligned with modern frontend best practices
Explore and contribute to AI-assisted development workflows (Figma MCP, automated PR generation, Claude Code)
Ensure WCAG 2.1 accessibility compliance across all components and themes
Support a multi-theme system, ensuring components work seamlessly across different brand themes
Collaborate through branching workflows with PR-based code reviews and clear documentation
Work closely with designers, validating implementation accuracy against Figma designs
Contribute to build tooling improvements (Webpack, PostCSS, theme generation, automation)
Maintain code quality through consistent formatting, JSDoc comments, and clear prop definitions
Test components across browsers, devices, and themes to ensure stability and visual consistency
Contribute to UI elevation initiatives, enhancing existing pages and flows
Collaborate on A/B testing efforts using platform tools (e.g., Sitecore)
Use analytics data (Adobe Analytics, Content Square) to inform UX decisions
Proactively identify challenges and contribute practical technical solutions
*Client \& Team Collaboration*
Participate in daily client standups and provide clear progress updates
Gather and clarify requirements directly from client stakeholders
Work closely with internal teams (design, QA, project management) to plan and deliver work efficiently
Communicate technical constraints and solutions clearly to both technical and non-technical stakeholders
Behaviours \& attributes
Strong attention to detail - pixel-perfect implementation matters
Accessibility-minded - considers keyboard navigation, screen readers and colour contrast as standard practice
Self-organised - able to manage component development independently within branching workflows
Curious and proactive - constantly exploring improvements to components, patterns and tooling
Clear communicator - documents work thoroughly for other developers and stakeholders
Collaborative - works well with designers, QA, project managers and developers across disciplines
Confident client communicator - comfortable on client calls, able to ask the right questions and clarify requirements
Cross-functional partner - works effectively with client-side engineers as well as internal teams
Translates requirements into action - takes client input and works with the team to plan and deliver solutions
Essential
Skills \& experience
Preact or React (3+ years) - hooks, functional components, props patterns
TailwindCSS - utility-first styling, responsive design, custom theme configuration
Storybook - story writing, Controls addon, component documentation
JavaScript (ES6+) - modules, destructuring, async patterns
HTML/CSS - semantic markup, accessibility, cross-browser compatibility
Git/GitHub - branching strategies, pull requests, releases, code review workflows
Responsive Design - mobile-first approach, breakpoints, Grid/Flexbox
Accessibility - WCAG 2.1 standards, ARIA attributes, keyboard navigation
Previous experience as a Frontend Developer (agency experience is a bonus)
Desirable
Component library or design system experience
Webpack configuration and build optimisation
Figma collaboration and design handoff
E-commerce domain knowledge
CSS custom properties and theming systems
Interest in AI-assisted development tools (Claude Code, Cursor, GitHub Copilot, Figma MCP)
GitHub Actions or general CI/CD familiarity
Experience with carousel/graph libraries (e.g., Swiper/chart.js)
Experience with mobile-first responsive development for high-traffic sites
Familiarity with A/B testing platforms (Sitecore, Optimizely, or similar)
Experience working embedded with client teams (standups, cross-functional collaboration)
Exposure to CMS platforms (Sitecore, Salesforce Commerce Cloud, or similar)
Experience with automation and tooling improvements in development workflows
Benefits
Competitive salary
Access to Perkbox employee benefits platform
Hybrid office/home working
Regular business updates and company socials
Opportunities for professional growth and career development
25 days annual leave
Being part of a dynamic, fast-paced agency environment
Working with a team of incredibly talented professional colleagues
We are committed to fostering a diverse and inclusive workplace where everyone feels respected, valued and empowered to contribute their authentic selves.