> Markdown version of [/jobs/ext/2824549-senior-javascript-engineer](https://www.wearedevelopers.com/jobs/ext/2824549-senior-javascript-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Javascript Engineer - **Company:** MRJ Recruitment - **Location:** Manchester, UK - **Experience:** Expert - **Salary:** £75,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Automation of Tests, Software as a Service, Code Review, Cursor (Graphical User Interface Elements), DevOps, High-Level Architecture, Node.Js, TypeScript, ReactJS - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840590233-senior-javascript-engineer ## About the Role We're looking for an experienced Senior Engineer (full stack), with experience gained within a SaaS or high-growth tech environment and with the ability to guide your peers on best practice. Experience with some (or all) of the following and an ability and willingness to learn would make you a great match to come and join us: * Infrastructure Fluency: You're comfortable navigating AWS and understand the value of automated testing and deployment. * The "AI Force Multiplier" Mindset: You've already integrated AI tools into your workflow to increase your output and quality. * Product Intuition: You think about the "Why" before the "How." You care about user experience and business impact. * Seniority & Mentorship: You enjoy leveling up the engineers around you through code reviews, architectural discussions, and sharing best practices. This is a rare chance to join a company at the ground level, influence the blueprint, and grow with it. ## Description * Full-Stack Feature Ownership: Design and ship end-to-end features using TypeScript, React, and Node.js. * AI-Accelerated Development: Use tools like Claude, Copilot, and Cursor to bypass boilerplate and focus on high-level architecture and complex logic. * Global Scale: Build and optimize services that serve a diverse, international client base, ensuring performance and reliability at scale. * DevOps Excellence: Take ownership of your code from local dev to production. You'll work with AWS and refine our CI/CD pipelines to ensure we can deploy multiple times a day with total confidence. * Product Thinking: Work closely with product and design teams to challenge assumptions and ensure we are building the most impactful solutions for our customers. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai)