full stack javascript engineer jobs in London

Harvey Nash Group is seeking a highly experienced Senior Full Stack Engineer to design, develop and optimise front office applications in a world-class investment management environment. You will work closely with portfolio managers and product owners to deliver robust, scalable software.The role requires strong frontend and backend expertise, mentoring...

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount...

Job DescriptionThe information below covers the role requirements, expected candidate experience, and accompanying qualifications.Fantastic opportunity to join a world class Investment Management business. Send your CV for more info! We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of...

Full Stack Engineer (ML Ops)London, UK FinTech · Banking · FinanceSkills & ExperienceJob roles: Full Stack Experience level: Mid, Senior Core skills considered: Java, React, Redux, AWS, JavaScriptLogisticsBase salary: £70K - £110KEmployment type: PermanentRemote working: Hybrid (up to 2 remote days per week)Visa sponsorship: Not availableJob...

SBU - Invent CU - Business Technology Global Grade - B At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of...

ABOUT QUANTUMLOOPAIQuantumLoopAI is transforming how patients access NHS primary care. Our AI-powered reception system, EMMA, serves millions of NHS patients, helping GP surgeries manage demand, reduce phone queues, and ensure patients get the right care at the right time. Backed by leading healthcare investors and working with NHS practices across England,...

JavaScript Developer UI React TypeScript – Up to 90,000 p/aQuant Capital is urgently looking for a JavaScript Developer to join our high profile client.Our client is a 60 man Fintech business who has created a market leading product in the financial data market. Details of the full ideas of the company are protected by a Non-Disclosure agreement but they...

Get AI-powered advice on this job and more exclusive features.Job TitleSoftware Engineer-Full stack (All Levels)LocationLondon, England, United KingdomMinimum RequirementsEducation: BS degree in Computer Science, Electrical Engineering, Math or related quantitative field.3+ years of experience in Full stack software development.Proficiency in Java, Kotlin,...

Web Developer - Full StackLondon Our client, a fast-growing Ecommerce brand, is looking for a full-stack Web Developer to join their team. The role is mainly remote with up to 2 visits to a London office per month. It is paying up to £50k + bens. The ideal person will have experience building apps in Shopify, have experience with HTML, CSS and JavaScript....

Lendable is seeking a full‑stack Python engineer to join the Central Operations team in a fast‑moving fintech environment. You will ship web apps and automation that empower Ops—driven by data, AI, and scalable architectures.You’ll work with FastAPI, Python, and modern JS (React/Next.js), collaborating across Product, Data Science and Analytics to...

Salary: £37,000 - 77,000 per year Requirements: Bachelors degree in Computer Science, Information Technology, or related field. 5+ years of software development experience. Strong experience with Python. Experience with FastAPI, Flask, or Django. Experience with REST API and microservices development. Strong knowledge of React.js. Experience with...

A leading technology company in London is seeking a Senior Full Stack Engineer to work on innovative Greenfield projects. This role involves a 50/50 split between backend and frontend development, utilizing a tech stack that includes TypeScript, Elixir, Elm, and AWS. You will have a significant role in a small, agile team, focusing on complex data-centric...

Full Stack Developer Join an Iconic Global Brand Undergoing Digital Transformation We are a globally recognised multimedia organisation with a rich heritage and an exciting future. As we continue a significant programme of digital transformation, we're looking for a talented Full Stack Developer to help build and enhance the digital products, platforms, and...

I am currently looking for a Full Stack Software Developer for a 6 month contract. Location: London 4/5 days per week onsite, the other day will be from the client's office. Duration: 6 months Day Rate: £750-£780 per day Inside IR35 Clearance: Candidates must hold the highest level of government clearance, a BPSS check will also be needed Scope of...

Dex is rebuilding property investment platforms in London, embedding AI across engineering and product. As a full-stack engineer, you will own features end-to-end, spanning frontend React/Remix with TypeScript and a Golang backend. You will shape problems with product and design, using AI as leverage to scale an AI-native engineering practice.This role suits...

Full Stack Developer London · Hybrid Location: London Contract type: Full time, permanent We're looking for a Full Stack Developer to be the first in‑house engineer building Pubity Suite, the internal product platform behind one of the World’s largest social publishers. The opportunity Pubity Suite is the operating system behind 22+ social first brands,...

Bain & Company is seeking a senior Full‑stack Engineer to design and ship complex Growth AI interface tooling. You will lead a small team, own frontend and backend stack, and collaborate with AI engineers to deliver trusted, scalable interfaces for enterprise clients.Ideal candidates have 10+ years in full‑stack roles, deep React/TypeScript experience,...

Foundation Partners, embedded with Flok Health, seeks driven software engineers with product mindset for full-stack work focused on UX and scale. The role is in-person in Cambridge, UK (4 days a week), with relocation support for those with existing Right to Work; sponsorship is not offered.You will collaborate with design, product, and leadership to deliver...

TechTree in London is building a frontier AI platform integrating a foundation model into safety-critical embedded control software. You will shape the architecture and write a large share of core code in year one, directly impacting how engineers trust and use the product.As the team scales, you will provide technical leadership, establish standards, hire...

Emma is looking for a capable full-stack engineer with at least 2 years of experience to help build our backend and mobile/web apps.You will work with libraries and frameworks such as gRPC, Redux, React Native, React and Next.js on an ambitious roadmap, delivering high-quality code in a fast-paced, ownership-driven environment.We operate from our London...