Full Stack Engineer
Hybrid
Tewkesbury, United Kingdom
Full Time
24-04-2025
Job Specifications
Full-Stack Developer (React/TypeScript/Ruby on Rails)
Tewkesbury (UK) - Hybrid Remote (In-office on Tuesdays) - UK Applicants Only
mmtm (pronounced momentum) is a UK-based digital agency that designs and builds bespoke web apps for clients across industries. We’re a small (but growing), remote-first team that cares about clean design, smart strategy, and code that actually gets used.
As long-term partners to our clients, we play a critical role in their growth through the products we create. It’s an exciting time to join us, as we’re not only building great client solutions but also developing our own in-house products that are starting to gain traction too.
The Role
We’re looking for a Full-Stack Developer to focus on one of our key client projects - an industry-leading fibre telecoms platform built with NestJS, TypeScript, React, and AWS.
You’ll work as part of our development team alongside lead devs and PMs to shape and ship features end-to-end. While the fibre telecoms platform project will be your main focus, you’ll also be required to dip into other projects (primarily built using Ruby on Rails), giving you variety and a chance to stretch your skills.
We’re collaborative, not siloed - so even if you’re focused on one client, you’ll always be part of the wider mmtm team.
What We’re Looking For
Strong experience with TypeScript and React, building production-ready features.
Familiarity with NestJS and/or similar NodeJS frameworks.
Comfortable working across the stack - with some form of Ruby on Rails experience too.
Comprehensive HTML5, CSS3, SASS experience.
UK-based and able to join us in-office on Tuesdays.
A natural team player who enjoys working in fast-moving, agile squads.
Enthusiasm for clean code, learning new tools, and solving real-world problems.
Friendly, upbeat attitude, and an ability to keep up with our terrible puns and GIFs.
Bonus points for:
Prior agency experience.
Mobile experience using Flutter.
What You’ll Get
£30k-£40k salary, based on experience, with regular reviews.
Remote-first culture (with one in-office day per week).
Shorter 35-hour week, generous holiday allowance (24 days + bank holidays), plus your birthday off as an extra free day
Annual learning budget for courses, books, or conferences.
Latest MacBook and any gear you need.
Career development support: regular check-ins, annual reviews, and space to grow.
How We Hire
We keep things friendly, fast, and human:
Apply: Send us your CV.
Intro Chat: 30-minute video call with our founders.
Tech Interview: A live coding session and technical conversation.
Offer: If it’s a fit on both sides, we’ll make an offer right away
We’re open to either full-time employment or an initial 6-12 month contract - just let us know what works best for you.
Ready to Apply?
We’d love to hear from you. Email your CV to hello@mmtm.io and tell us why this role feels like a good fit. Got questions first? Just drop us a line!
About the Company
mmtm (pronounced ‘momentum’) is a design-centric software development agency with deep experience building apps and platforms for mobile and the web. Founded in 2015, we’ve built a reputation helping companies fulfil their digital potential through the design, build and management of bespoke software applications. We combine great strategy, research, and user-centric design to turn client ideas into innovative solutions. At our core, we’re problem solvers – we love bringing together our team’s expertise in design, developm... Know more
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