Job Specifications
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
Intro conversation with a founder - culture and communication
Technical interview - practical problem solving and system design
Product-focused interview with leadership
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 L