full stack developer jobs in City of Westminster

We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. Increase your chances of an interview by reading the following overview of this role before making an application. We're on the verge of solving one of the biggest challenges in education – making...

You will play a pivotal role in high-impact projects such as optimizing performance for hundreds of thousands of users, designing scalable system architecture, mentoring junior engineers, and making key technical decisions that shape our product.

You should have a passion for both science and engineering, a proven ability to deliver production-ready solutions, and a collaborative spirit to work closely with our product and research teams. Note: the role is 3-4 days per week in the office in London (based in Hammersmith).

Senior Software Engineer (Full-stack) - Permanent | On-Site | London Scroll down for a complete overview of what this job will require Are you the right candidate for this opportunity Join a rapidly scaling US-backed startup at a pivotal moment. With significant funding secured and strong momentum, they are establishing their UK presence and offering exceptional equity opportunities for early...

Title: Senior Fullstack Engineer If the following job requirements and experience match your skills, please ensure you apply promptly. Salary/Package: £70k-£100k + Equity Company Sector: Fintech (SaaS) Tech: TypeScript, Node, React, Next, GraphQL, AWS Location: Central London (London Bridge / Bank) WFH / Hybrid: 2-3 days in office (Bank) I'm hiring a full-stack Software Engineer for a...

You will help Wondercraft define the future of its AI video studio.

You will work closely with the engineering, design, and customer success teams to build and refine features from concept through to production. Specifically, you will: - Design and architect features in collaboration with the design team, customers, and the CEO/CTO

Full-Stack Engineer (AI Focused) | Technology, Information and Internet | London | Up to £200,000 + Equity The information below covers the role requirements, expected candidate experience, and accompanying qualifications. I'm working with a fast-scaling AI company backed by top-tier investors and already working with some of the most recognisable organisations in the world. They're building an...

You will play a foundational role in building core platform components, scaling infrastructure, and collaborating closely with engineering, product and legal teams to bring a category defining product to life. This is not a narrow or isolated engineering role. It requires ownership, comfort with ambiguity, and the ability to take responsibility for features from early design through to production.

Affinity Labs: Founding Engineer (Backend) All potential applicants are encouraged to scroll through and read the complete job description before applying. Location: London Area, United Kingdom · On-site Company Description At Affinity Labs, we're building the future of company creation, a full-stack AI venture studio that partners with content creators to co-found authentic, scalable...

You will work closely with senior engineers who will guide architecture decisions while you focus on delivering high-quality code and learning how to scale a SaaS product.

You will see your code reach customers quickly and have visible impact.

Software Engineer (Full Stack) Location: UK, required in the London office once every two weeks Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below. Employment Type: Full-Time About Us FNZ Q-Hub, a part of the FNZ Group, is a global provider of innovative investment platforms. We work with top-tier financial institutions...

About Us: Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. We're a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the...

You will have 20 work from anywhere days added on top which you can use to make soime weeks 2 days a week from home.

You will be proud to show how you've impacted other parts of a business and delivered results

You will be pushing frameworks and languages for good business reasons

Senior Software Engineer – YC-Backed AI Startup Find out if this opportunity is a good fit by reading all of the information that follows below. Location: London (Old Street) Salary: £130K–£160K + significant equity (projected 20x growth) I'm working with a hyper-growth, YC-backed startup that raised significant Series A funding – one of the largest in tech history. Founded by proven...

You will lead the design and implementation of immersive, interactive web experiences that leverage large language models (LLMs) as core product capabilities. In this role you will collaborate closely with product, UX/design, ML research and platform teams to translate user needs into elegant, reliable AI-powered experiences, and drive agile delivery from prototype to production.

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You will lead the design and implementation of immersive, interactive web experiences that leverage large language models (LLMs) as core product capabilities. In this role you will collaborate closely with product, UX/design, ML research and platform teams to translate user needs into elegant, reliable AI-powered experiences, and drive agile delivery from prototype to production.

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experiencedFull-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, were always on the lookout for talented individuals to join our Talent Pool. Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

MUST BE BASED IN THE UK TO BE ELIGIBLE.Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool.Who We AreGSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious...

You will lead the design and implementation of immersive, interactive web experiences that leverage large language models (LLMs) as core product capabilities. In this role you will collaborate closely with product, UX/design, ML research and platform teams to translate user needs into elegant, reliable AI-powered experiences, and drive agile delivery from prototype to production.