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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Web Engineer - **Company:** The Trainline - **Location:** London, UK - **Experience:** Starter - **Salary:** £40,000.0 - £41,200.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), A/B Testing, Amazon Web Services, Unit Testing, Cascading Style Sheets (CSS), Web Development, Github, Node.Js, TypeScript, ReactJS, Graphql, Web Technologies, Terraform, GXP, Docker - **Published:** June 3, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=295ced9c048c75df ## About the Role Do you have experience in TypeScript?, * Some hands-on experience building web applications using JavaScript, HTML and CSS, with a willingness to keep developing your skills in modern web development. * Working knowledge of React & Typescript * .An understanding of good engineering practices, including writing clean, testable code and using tests to support quality. * A customer-focused mindset and an interest in understanding how software changes can improve the experience for people using our products. * A collaborative approach, with confidence communicating clearly, listening to feedback and contributing to team conversations. * A proactive learning mindset, including the ability to seek support when needed and follow through on smaller pieces of work. * An interest in Agile ways of working and an understanding of why teams break work down, ship regularly and learn from outcomes. * Helpful if you have exposure to technologies such as Node, GraphQL, AWS, Docker, Terraform or GitHub Actions, though we do not expect you to have worked with all of them before. Our Tech Stack All our Web teams work with a variety of technologies and patterns. You do not need experience with every tool, but you'll have the opportunity to learn and build confidence across: * JavaScript, CSS and HTML * React and TypeScript * Node and GraphQL * AWS Cloud * Docker, Terraform and GitHub Actions ## Description * Deliver well-scoped web development tasks and tickets, using the tools, patterns and guidance provided by your team to create reliable, customer-focused features. * Write solid, testable code in JavaScript, HTML, CSS and React, with support from more experienced engineers where needed. * Contribute to a high-quality codebase by following team standards, writing appropriate unit tests, and making small improvements as you work. * Build your understanding of our web technologies, including TypeScript, Node, GraphQL, AWS, and GitHub Actions, through hands-on delivery and learning from your team. * Support the full development lifecycle by contributing to code changes, testing, deployment and monitoring, with guidance from senior engineers. * Help us learn what works best for customers by contributing to experiments, A/B tests and small product improvements. * Read and update documentation as you work, helping to keep information clear and useful for the wider team. * Take an active part in team ceremonies, retros and discussions by sharing ideas, listening to feedback and asking for help early when something is unclear. ## Related Videos - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Blueprints for Success: Steering a Global Data & AI Architecture](https://www.wearedevelopers.com/videos/1577-blueprints-for-success-steering-a-global-data-ai-architecture) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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