end javascript developer jobs in City of London

Job Description React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract basis, contributing to high-impact features across their...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

🚀 Backend Engineer (Mid/Senior) 💻 Stack: Node.js, Typescript/Javascript, PostgreSQL, RESTful APIs, GraphQL, AWS 🌐 Location: NW London, Hybrid 💰 The Package: £60,000 - £65,000+ generous holidays My client, a leading DTC e-commerce brand just got huge investment to scale it's digital team. You'll be joining at the perfect moment - established product, proven revenue, but now with serious...

You will work closely with product and engineering teams to deliver high quality user experiences, taking ownership of features from build through to release. This role suits someone who wants to stay deeply technical rather than move into management. Role: Front End Developer (Angular)

Backend Software Engineer - Node.js & AWS (Tech4Good) Location: London (3 days in the office) Contract Type: Permanent Salary: Up to £100,000 (DOE) plus stock options, private medical/dental, and £1,200 L&D budget - Build backend platforms that generate real social impact globally - Work with a close-knit engineering team in a high-performing culture built on trust, clarity and psychological...

Our client is a high-tech global leader, their solutions enable organisations worldwide to protect assets, enhance safety, and operate with confidence - from advanced access control systems to mobile and biometric technologies. A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.The Role: End User BDMAs a key member...

Senior Back End Engineer (Contract) We’re working with a technology-led company building a modern enterprise platform used by large organisations. The product replaces legacy systems with scalable, secure, and reliable software. This is an 8-week contract, outside IR35, fully remote, open to UK & EU-based engineers, paying £400 per day and starting immediately. The Role You’ll be responsible...

Job Description Location: Fully Remote (with London Office Access) Compensation: £28,000 - £35,000 + Performance Based Bonuses Role Type: Junior / Entry-Level (Results-Oriented) About Us We are a small but fast-moving and growing AI consultancy. We value practical skills and a "builder" mindset over years of corporate experience. If you have a portfolio of React projects and an eye for...

This is a job that Scout, our AI Recruiter, is recruiting for on behalf of one of our clients. She will pick the best candidates from ivee's network. Junior Back-end Engineer This is a great opportunity to join a fast-moving engineering team as a Junior Backend Engineer . You’ll help build and maintain scalable backend systems that power real-world applications, working closely with product and...

Back End Developer / SRE (Java JVM) London / WFH to £110k The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. Are you a Back End Developer / SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global Fintech that has been consistently voted as one of the...

From blockbuster films and AAA games to immersive experiences, the demand for photo-real 3D content has never been higher - but creating photorealistic assets is slow, expensive, and manual with no current scalable solution available. At M-XR, our mission is to democratise the creation of high-quality 3D assets and empower brands, studios, and creators to build infinite photo-real 3D experiences....

Job Description Role: Senior Python Backend Engineer Location: London King's Cross on site Salary: up to £200k base + equity We are partnered with a high-growth AI-driven platform that helps large enterprises automate complex, data-heavy workflows. The company is well-funded with. over $90M from top VC's, scaling rapidly, and already working with globally recognised organisations in a highly...

Job Description Senior Software Engineer Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior Java Engineer for an loyalty program team,...

Senior Backend Developer – Node.js, TypeScript, Kafka - up to £70k Leading E-commerce Brand | Up to £70,000 | Hybrid (2 days/week in London) They’re looking for a Senior Backend Developer to join a highly capable engineering team working with Node.js, TypeScript and Kafka. This is a hands-on role where you’ll be building and evolving distributed backend services in a fast-paced, product-focused...

Job Description We’re partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance to work at the core of high-performance trading tech, crafting ultra-fast, hyper-polished interfaces used by...

We are currently looking for creative and technical graduates to join a leading financial institution as Graduate Software Developers in the summer 2026. With a perspective on actions today that shape tomorrow. This firm is an innovative, global trading firm. In an ever-changing world, they pride ourselves in offering a unique service. They strive to be the best in their field through exceptional...

Job Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the...

Lead Engineer, Shopify (Scaling DTC Brand) Salary: Up to £100,000 base Location: UK-based, ideally London (flexible) One of the UK’s fastest-growing, multi-million-pound consumer brands is hiring a hands-on Lead Engineer to own and scale its Shopify eCommerce platform. This is a senior, in-house role with genuine ownership, fast decision-making, and real influence over technical direction,...

Role : Senior Backend Engineer Salary range: 80-90k Tech stack includes : Typescript, NodeJS, SQL, AWS, Terraform, Current team size : overall circa 20 (each team dedicated EM, FE, BE, iOS/Android etc) We're working with a Series C funded, healthtech startup company - their mission? helping people with addictions! They're hiring for a Product minded Senior Backend Engineer to join! 4+ years...

You will work closely with designers and back-end developers to create seamless user experiences using modern front-end technologies.

You will write clean, maintainable code and ensure optimal performance across all devices. Key responsibilities: - Develop new user-facing features using React, Vue, or Angular