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Senior Full Stack Engineer (TypeScript, React, Node.js, AI Platform)

Oliver Bernard· London Area, United Kingdom· £90,000–£100,000/yrEquity
Posted 12 Jun 2026Java Developer
TS + React
Oliver BernardRecruitment agencyfounded 2010
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Senior Full Stack Engineer

📍 London (3 days per week in office)

💰 £90-100K + Equity + Benefits

A venture backed AI software company is looking for a Senior Full Stack Engineer to join its growing Product Engineering team in London.

This is an opportunity to join a high growth business building AI powered software used by some of the world’s most ambitious technology companies. Backed by leading investors, founders and operators from some of the most successful software businesses of the last decade, the company is redefining how organisations use automation and AI to streamline operations at scale.

The team is small, highly technical, and operates with an exceptionally high bar for engineering quality, product thinking and execution.

The Role

As a Senior Full Stack Engineer, you’ll play a key role in shaping product direction, architecture and delivery.

Working closely with Product, Design and Engineering, you’ll build customer facing features end to end, contribute to technical decision making and help scale a platform already trusted by fast growing technology businesses across Europe and the US.

You’ll have exposure across the full product lifecycle, from discovery and architecture through to deployment, monitoring and customer feedback.

Tech Stack

TypeScript

React

Node.js

PostgreSQL

Redis

Kubernetes

Google Cloud Platform (GCP)

REST APIs

WebSockets

Responsibilities

Build and ship end to end product features across frontend and backend systems

Develop scalable applications using TypeScript, React and Node.js

Design and maintain APIs, integrations and distributed systems

Contribute to platform architecture and technical strategy

Work closely with Product Managers and Designers to deliver exceptional user experiences

Support and expand a growing integrations marketplace

Improve performance, reliability, observability and developer experience

Engage directly with customers to understand problems and shape solutions

Requirements

Several years of commercial experience as a Full Stack Engineer, Software Engineer or Product Engineer

Strong experience with TypeScript in production environments

Strong knowledge of React and modern frontend development

Experience building backend services with Node.js

Experience working on SaaS products, B2B software or high growth technology platforms

Strong understanding of API design, databases and cloud infrastructure

Product mindset with a focus on delivering customer value

Passion for software craftsmanship, quality engineering and user experience

Experience working in start up, scale up or high growth technology environments is highly desirable

What’s On Offer

💰 Market leading salary

📈 Meaningful equity package

🏥 Private healthcare, dental and vision cover

👶 Enhanced parental leave

📚 Learning and development budget

💻 MacBook and home office equipment

🎉 Quarterly company events and offsites

🌴 25 days holiday plus bank holidays

🚀 Opportunity to work alongside an exceptional team of engineers, designers and operators

Why Apply?

This is one of the most exciting opportunities currently available for engineers who want to work at the intersection of AI, SaaS and Product Engineering.

You’ll join a business with strong product market fit, ambitious growth plans, significant backing and a genuine opportunity to influence the future direction of both the product and engineering organisation.

Keywords: Senior Full Stack Engineer, Software Engineer, Product Engineer, TypeScript, React, Node.js, JavaScript, SaaS, AI, Artificial Intelligence, Machine Learning, Start Up, Scale Up, GCP, Google Cloud, Kubernetes, PostgreSQL, Redis, API Development, B2B Software, London.