Full Stack Software Developer jobs in City of Westminster

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

We have a Full Stack Developer opportunity with a growing technology company building software platforms for complex, data-intensive technical workflows. The organisation focuses on developing user-facing systems that enable large-scale computational processes, replacing fragmented or manual approaches with scalable digital solutions. Below covers everything you need to know about what this...

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...

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 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).

Accelerant is building a new platform that will serve as the backbone of how risk is exchanged in the future. The Product & Technology team is looking for a Full Stack Software Engineer who is passionate about building high quality software systems that are valued by customers. Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out...

Role : Senior Full Stack Engineer (I) Considering applying for this job Do not delay, scroll down and make your application as soon as possible to avoid missing out. Reporting To : Chief Product Officer Salary : £70,000 - £90,000 dependent on experience Working Location : Hybrid/ London (2 days a week on site at our Old Street office) PropTech | SaaS | Software Development About...

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...

Remote | Full-time Experience, qualification, and soft skills, have you got everything required to succeed in this opportunity Find out below. Overview We're looking for a pragmatic Full Stack Engineer who can lead the evolution of our infrastructure while keeping systems simple, reliable, and maintainable. This is a remote role for someone who enjoys owning infrastructure decisions without...

Full Stack Engineer – AI Startup – Up to 85k Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. Salary: £60,000 - £85,000 + meaningful equity Location: London, flexible working arrangements, ideally 1/2 days in office Tech Stack: Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client...

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

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.

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...

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...

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+ All potential candidates should read through the following details of this job with care before making an application. Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a...

About Prighter If you want to know about the requirements for this role, read on for all the relevant information. Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their...

About Webigence and Spark Travel Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic...

You will take ownership of technical research activities, such as spikes and proofs of concept to explore new approaches, validate ideas, and shape the future of our engineering landscape.

You will actively contribute to and often lead collaborative engineering activities including pair programming, code reviews, troubleshooting, and issue resolution.

Leading Investment Bank - Software Developer - Finance Technology Read on to find out what you will need to succeed in this position, including skills, qualifications, and experience. We're hiring a Software Developer to join a Greenfield, next-generation Regulatory Technology platform within a leading global investment bank. This role sits within the Finance Technology – Regulatory Reporting...

Senior Full Stack Engineer – AI Startup – Up to 150k All the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description. Salary: £80,000 - £150,000 + meaningful equity Location: London, hybrid Tech Stack: Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Team size: 27 heads Our y-combinator backend client are...