Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

The Company:

This early-stage consumer AI start-up is building a next-generation platform that blends Computer Vision, real-time data processing, and a developer-first API to create entirely new digital experiences for millions of users. Their technology bridges content, AI, and commerce in a way that has not been done before.

They are backed by well-known investors, have signed their first major enterprise partnerships, and are now preparing for rapid product and engineering expansion.

You’ll be joining a deeply ambitious founding team of 7 (4 in engineering) who are scaling a high-performance, global product from the ground up.

If you want to build cutting-edge AI-powered products with huge consumer impact, this is the moment to join.

Responsibilities for the Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

• Write, maintain and ship high-quality production code across backend and frontend components
• Take full ownership of end-to-end projects, communicating clearly and working closely with product and founders
• Design and build reliable, performant APIs for internal platform teams and external customers
• Develop intuitive, user-focused features that align with product strategy
• Collaborate with designers, customers and cross-functional teams to deliver impactful updates
• Ensure systems are scalable, robust, and maintainable as usage grows
• Wear multiple hats in a fast-paced environment, contributing wherever needed
• Play a key role in shaping engineering culture and delivery standards

Requirements for the Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

• 2+ years of software engineering experience
• Strong backend experience in Golang, Node.js or similar languages
• Hands-on experience with frontend frameworks such as React, Angular, or Vue.js
• Experience building SDKs, libraries, or developer tools
• Strong understanding of system design for data-intensive or real-time applications
• Deep knowledge of JavaScript/TypeScript, HTML, CSS, and modern frontend architecture
• Familiar with modern build tools (Webpack, Vite, Babel)
• Experience deploying to cloud environments (GCP, AWS or Azure)
• Strong eye for UX and detail-oriented implementation
• Excellent communication skills and a high-ownership mindset
• Ability to operate autonomously with minimal hand-holding in a start-up environment

Nice to have:

• Experience with LLMs or prompt engineering

What You’ll Be Working On with Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

Join a founding engineering team building a new class of AI-driven consumer products.

You’ll help design and scale:

• High-performance backend and data processing services
• Computer Vision–powered pipelines and intelligent matching systems
• Stable, secure client-facing APIs and developer SDKs
• Frontend interfaces for internal tooling and product experiences
• Full-stack features combining clean engineering with intuitive UX

Tech stack includes: Golang, TypeScript, React, GCP, PostgreSQL, Python (scripting), BigQuery, plus modern tooling across the stack.

You’ll help define the architecture and engineering standards for a product expected to reach millions of users.

Culture & What They Value for Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

The team prioritises personality and mindset as much as technical depth. They look for engineers who are:

• Hungry, curious, and excited to build
• Strong communicators
• Energised by early-stage ownership
• From interesting backgrounds with a bias for learning
• Positive, collaborative and enjoy working closely in person
• Not jaded by corporate environments - they want initiative-driven builders

High trust, high standards, low ego, and very little bureaucracy.

Visa sponsorship is available.

Interview Process for Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

1. Intro conversation with a founder - culture and communication
2. Technical interview - practical problem solving and system design
3. Product-focused interview with leadership
4. Final conversation with the CEO

A fast, transparent process evaluating real engineering ability and team fit.

Remuneration for the Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex

• Salary £60,000 – £110,000 (flexible for exceptional candidates)
• Equity package
• 25 Days holiday + Bank Holidays (1 additional day added each year)
• Medical & Dental cover
• Learning & Development budget
• Central London office with hybrid flexibility

If you are keen to hear more about the Back End Developer, Go focused, Product Engineer | B2C AI, Next-generation Commerce Platform | Up to £110k + Equity | London, Hybrid Flex please apply with your updated CV and we will be in touch if it’s a good fit!