Fullstack Product Engineer (AI Startup)

Full-Stack Product Engineer (AI Startup)

Conditions

Posted Date Apr 24, 2026 Employment Type Full-time Experience Level Mid-Senior level Location United Kingdom Annual Salary 80,000 - 150,000 GBP Category ** Programming ** Company **atarus **

Full-Stack Product Engineer (AI Startup)

Full-Stack Product Engineer London | On-site (5 days) | £80k–£150k + Equity

A well-funded, fast-growing AI startup is hiring a Full-Stack Product Engineer to help build the next generation of operational software in a large, legacy industry being transformed by automation.

This is an opportunity to join early, work directly with founders, and own high-impact product features from day one. The business has strong funding, rapid growth, and real-world product-market fit.

The Role You’ll join a lean, high-performing engineering team building internal and customer-facing products powered by AI.

They’re particularly keen to hire someone with strong front-end capability who can complement an existing backend-heavy team, while still being comfortable shipping across the stack.

You’ll own features end-to-end — from understanding user problems, defining solutions, building the product, and iterating quickly based on feedback.

Searching for Development & Programming roles that provide visa sponsorship? Connect with international employers through Development & Programming Jobs with Visa Sponsorship opportunities actively seeking talented professionals. What You’ll Be Doing

• Owning product features from idea to production launch
• Building polished front-end experiences using TypeScript / Next.js
• Developing backend services and APIs using Node.js
• Building AI-adjacent features such as:
• document processing workflows
• email automation
• communication / voice pipelines
• internal operations tooling
• Working closely with operations and commercial teams to solve real user pain points
• Shipping quickly in a highly iterative product environment
• Helping shape engineering culture and standards

Explore our comprehensive directory of visa sponsorship jobs from employers worldwide who are ready to sponsor talented international professionals. What They’re Looking For

• 2–7 years experience in full-stack engineering
• Strong front-end skills with TypeScript / Next.js
• Commercial backend experience with Node.js
• Experience owning features end-to-end
• Product-minded engineer who cares about users and speed
• Comfortable working in ambiguity and startup pace
• Strong work ethic and desire to build

Nice to Have

• Experience in startups or top-tier tech businesses
• Exposure to AI products or automation systems
• Familiarity with GCP, Postgres, Terraform Interested in opportunities specifically in United Kingdom? Discover our dedicated Visa Sponsorship Jobs in United Kingdom page featuring roles from top employers in this location.
• Experience in fintech / insurtech / workflow-heavy products

Package

• £80k–£150k base salary
• Meaningful equity
• Visa sponsorship available
• High ownership, high impact environment

Why This Role? This is ideal for someone who wants to move faster, own more, and build products that genuinely matter — rather than being one small cog inside a large company.

If you're strong technically, commercially minded, and want to be part of a category-defining company early, this is worth a conversation.

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