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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior developer with front-end experience - **Company:** Tussell Limited - **Location:** London, UK - **Experience:** Starter - **Salary:** £40,513.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Unit Testing, Cascading Style Sheets (CSS), Code Review, Software Debugging, Software Design Patterns, Design of User Interfaces, Node.Js, Ruby on Rails, Software Engineering, Web Applications, Apache Yarn, Tailwind, ReactJS, Git, Git Flow, Figma, Front End Software Development, React Testing Library - **Published:** September 2, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5865791608 ## About the Role The ideal candidate will have some hands-on experience with HTML, CSS, and JavaScript and a keen interest in user interface design. At Tussell we use frameworks, including React.js, along with Ruby on Rails for our web applications and APIs. You don't need years of experience; you could have recently completed a software bootcamp or have a year or two of industry experience. We're looking for a good grasp of software development fundamentals and the enthusiasm to learn our specific design patterns and domain. You'll work closely with our product, design and engineering team to make sure the interfaces we build genuinely serve our users' needs., * JavaScript fundamentals: You have experience with modern JavaScript, its ecosystem, like Node and Yarn, and how to work with its libraries and frameworks as part of front-end code * React practitioner: You have practical experience with React (we use React 19, functional components and hooks) and a good eye for UI detail, including spacing, consistency, accessibility and responsive behaviour. * Rails-literate: You're familiar with Ruby on Rails, including views and partials for rendering data, and you're comfortable debugging UI issues using browser dev tools. * CSS/design oriented: Write clean, maintainable CSS to implement responsive, accessible UI designs, using utility-first frameworks (e.g. Tailwind CSS) and modern layout techniques (Flexbox, Grid) within the established webpage design approach and keen to contribute further improvements. * Tested and collaborative: You've done some unit testing of JavaScript (Jest, React Testing Library or similar) and are familiar with Git and collaborative workflows, including branches, pull requests and code review. * Ready to grow: You're confident working independently on small-to-medium tasks as you get up to speed with the codebases and willing to ask for help; we'll teach you the specific tools, libraries and frameworks used for our specific stack. ## Description Goal: We're looking for a junior developer with front-end experience to join the team maintaining our Ruby on Rails and React.js applications. This is a hands-on role from day one, working on the UI layer of a live, data-heavy product, with support and mentoring from senior engineers as you learn our specific design patterns and domain. Frontend Development * Build and maintain front end code, including JavaScript using frameworks such as React components and Stimulus controllers, within our existing patterns * Work in our Rails views and partials, editing view templates and wiring up React components inside them * Implement UI designs using HTML elements and CSS, working from mockups, Figma files or written requirements * Fix bugs and make incremental improvements to existing views and components * Write and maintain unit tests for the JavaScript and webpage components you work on Collaboration & Delivery * Collaborate with designers, product managers and other engineers to turn requirements into working UI * Participate in code review and collaborative Git workflows * Be willing to ask for help and pair program as you get going; we're investing in your professional development, not expecting a finished product ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) ## Related Articles - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)