remote full-stack engineer - ruby on rails react jobs in London

EngRadar / DeepL Senior Software Engineer | Voice | Full-Stack **DeepL** DeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems, offering a Language AI platform for human-like translation, improved writing, and real-time voice translation. **DeepL** is the employer...

DescriptionLyst is a global fashion shopping platform founded in London in 2010 and catering to over 160M shoppers per year. We offer our customers the largest assortment of premium and luxury fashion products in one place, curating pieces from 27,000 of the world's leading brands and stores. In 2025, Lyst joined Zozo, operators of Zozotown, the leading...

EngRadar / DeepL Senior Software Engineer | Identity and Access Management | Full-Stack **DeepL** DeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems, offering a Language AI platform for human-like translation, improved writing, and real-time voice translation. ...

**ABOUT THE ROLE** We're building the core banking capabilities that power everything at Onmo - the systems that hold accounts, move money, calculate interest and generate statements. The Core Systems team owns these capabilities end to end, along with the shared services the rest of engineering builds on. You'll help build new core systems from the ground...

Our Future Health is an ambitious collaboration between the public, charity and private sectors, designed to help people live healthier lives for longer through better prevention, earlier detection and improved treatment of diseases. We will speed up the discovery of new methods of early disease detection, and the evaluation of new diagnostic tools,...

**Full Stack Developer | Node.js, TypeScript, React, AWS/Azure | Greenfield Client Platform, PE-Backed Wealth Manager** - Salary: £90,000 - £100,000 - Location: Bristol or London - Remote working: One day a week in either office \*\*A financial services background is NOT required; curiously, coming from outside the finance world will count in your...

Role is Munich based | Top Relocation SupportWe’re hiring a Founding Product Engineer to join a well-funded, YC-backed startup building an agentic AI SEO/GEO platform that helps businesses drive growth and visibility across AI-powered search.In this role, you will take complete ownership of full-stack product features, working directly with the founders...

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development,...

At Beam, we’re building AI that serves society. We're a global team of ambitious, hardworking problem solvers, applying fast-moving startup energy to work that makes the world a better place. If you want to apply your talent to the biggest problems society faces, Beam is the place for you. You’ll be part of a high-performance culture where you'll make...

At Beam, we’re building AI that serves society. We're a global team of ambitious, hardworking problem solvers, applying fast-moving startup energy to work that makes the world a better place. If you want to apply your talent to the biggest problems society faces, Beam is the place for you. You’ll be part of a high-performance culture where...

At Beam, we’re building AI that serves society. We're a global team of ambitious, hardworking problem solvers, applying fast-moving startup energy to work that makes the world a better place. If you want to apply your talent to the biggest problems society faces, Beam is the place for you. You’ll be part of a high-performance culture where...

At Hudl, we build great teams. We hire the best of the best to ensure you’re working with people you can constantly learn from. You’re trusted to get your work done your way while testing the limits of what’s possible and what’s next. We work hard to provide a culture where everyone feels supported, and our employees feel it—their votes helped us...

**Lead Full Stack Engineer / 12-Month Contract / Outside IR35 | Fully Remote (UK)** **Day Rate:** £800 per day DOE **Contract Length:** 12 months **Location:** Fully remote, UK based **IR35 Status:** Outside IR35 **Start:** ASAP We're partnering with a well-funded, fast-scaling business that's about to kick off a greenfield build. They need a Lead...

We're putting together a talented team to build the #1 training platform for RunnersWe help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon.We’re growing extremely fast! In November 2023 we closed...

WELLINGTON MANAGEMENTWellington Management offers comprehensive investment management capabilities that span nearly all segments of the global capital markets. Our investment solutions, tailored to the unique return and risk objectives of institutional clients in more than 50 countries, draw on a robust body of proprietary research and a collaborative...

**Senior Software Engineer (JVM, Kotlin)** **Simple Machines** Hybrid · Full-time · London, UK **About Simple Machines** Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software...

**Senior Full-Stack Engineer at PAIR** (www.pairnow.ai) **£80-120k + £53k equity, Hybrid (1 day/week London)** **Who We Are** PAIR is a fast-growing AI adoption startup on a mission to help professionals and teams harness AI to do their best work. Our platform delivers personalised, AI-powered learning experiences and adoption support that help...

**About Duco** Duco is building the agentic Operations platform for financial services. We help firms break the bad data cycle that has held the industry back for decades by handing repetitive, time-intensive data work to AI agents, so their teams can step up to become decision makers. Our no-code platform automates the front-to-back processing of all...

**Senior Java Analyst Developer / Technical Consultant** **£130,000 p/a** Quant Capital is urgently looking for a **Java Analyst Developer / Technical Consultant** to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the...

**Who We Are** At Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily. Our employees are experts in the employee experience, workforce...