Full Stack jobs in Westminster

Who We Are At Omaze, we give our community in the UK and Germany the chance to win luxury homes and other life-changing prizes — all while raising money for the causes they love. Thanks to our Omaze Community, we’ve raised over £100 million for UK charities in just five years. That’s millions helpin

Junior Full Stack Developer Recyclr is a pre-seed startup creating a new breed of solutions for the waste and recycling industry to tackle £1bn of waste crime, recycling rates stuck at 44%, and £400m a year spent clearing fly-tippyng. Our founders have deep collective experience across scaling, prod

Who are we?👋 Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that

About Us Gemex is a multi-award-winning family business at the forefront of fine bridal jewellery manufacturing. We are market leaders in the supply of high-quality diamond rings to jewellers across the entirety of the UK and Europe. We’re an innovative and growing company at the forefront of creati

Location: L ondon, hybrid Reporting to: T ech Lead in Growth or Operations teams About Hometree Join Hometree Group and be at the forefront of transforming the residential energy landscape. Founded in 2015, Hometree began in the home cover market. Today we’re spearheading the shift to decentralised,

We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Full Stack Engineer, you’ll play a central role in shaping the technical direction of our platform, building high-quality features, influencing system architecture, and ensurin

ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. We take as much p

Experience guideline: Typically 8–10 years total experience, with strong recent hands‑on delivery. Primary Focus Backend‑first Java engineering role Full‑stack experience is beneficial, but backend capability is essential Working within established patterns, frameworks, and standards Must‑Have Skill

About The Company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build

The Opportunity: As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent system built around Observe - Think -

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£85,000 - £100,000 /year

Senior Full-Stack Engineer Introduction Join a specialist platform operating at the heart of telecoms, compliance, and secure business messaging. This is a senior, hands-on role where you’ll take real ownership of a product that underpins trust, validation, and risk decisioning at scale. Role Overvi

Who We Are 🌍 We’re IAG Loyalty - one organisation with two ambitious, growing divisions across Loyalty and Holidays. Each has its own goals, strategy and team, but together we’re united by a shared vision to create a more rewarding world of travel and experiences. Our Loyalty division is home to Av

Location: London Travel: Travel required several times per year (UK and international), sometimes at short notice and for up to 7 days Security: Must be eligible to obtain and maintain UK security clearance to at least SC level Hadean is an award-winning software company building software that enabl

Description The Opportunity As a Senior Developer, you’ll have significant autonomy to shape how some of the world’s largest telecom operators communicate with consumers and detect issues across their networks. You’ll help evolve the platform into a proactive, intelligent system built around Observe

Requirements Must have: - Proven experience (typically 5–10 years) in full stack software engineering, ideally within data heavy, analytics, or SaaS environments - Strong backend development experience with Python and SQL (relational and/or analytical databases) - Experience working with cloud platf

Reporting to: Engineering Manager Office Environment: Hybrid (minimum two days per week ) Type: Full time, permanent Join Our Mission Skip the queue. Shape the future. See real impact. At QuantSpark, we’re transforming how data and AI serve society. We combine the analytical discipline of strategy c

Solo60

About Solo60 A London-based fitness scale-up whose platform manages dynamic bookings, PT matching, and studio analytics. Stack: React Native (Expo), Next.js, Supabase, Vercel/AWS, Stripe, GitHub Actions, Hex, Figma — with a growing IoT footprint across studios. The Role You'll be the second Full Sta

Full Stack Software Engineer | London | £60,000 - £73,000 + equity | Python | Vue.js | AI Product Location: London based, hybrid (1 day per week) A growing product led technology company is building a platform at the intersection of AI, learning, and workflow optimisation, designed to help organisat

Senior Full Stack Engineer Role (Typescript)- Up to £100k A fast growing scale up that are making a positive social impact are growing their engineering team! This is a really great opportunity, they are one of the fastest growing companies in the UK and have grown up to 400 million in sales over th

We are using AI to accelerate due diligence and deepen insights for Private Equity funds. We are hiring a full stack engineer who is comfortable contributing to all layers of the application and developing features end to end. About Capsa AI Empowering Private Equity with Advanced AI – Capsa AI is a