Senior Back End Developer (Go Focused) - Product Engineer
Join a founding engineering team building a next-generation AI-driven consumer platform. Design and scale high-performance backend services, computer vision-powered pipelines, and stable APIs. Collaborate with designers and cross-functional teams to deliver impactful updates.
Key Highlights
Technical Skills Required
Benefits & Perks
Job Description
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 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!