Senior Product Engineer

Remote
Apply
AI Summary

Join a senior-heavy, product-focused engineering team working on systems that sit at the intersection of AI, research, and real-world human input. As a Senior Product Engineer, you will be responsible for building and owning backend services using Python (Django), designing APIs and workflows, and collaborating closely with Product and Design to shape features end-to-end. This is a genuinely strong opportunity for a senior Python engineer who enjoys building thoughtful products and wants to have a tangible impact on how AI systems are built and evaluated.

Key Highlights
Fully remote position
£80-100k salary + bonus + equity
Opportunity to work across the stack
Key Responsibilities
Building and owning backend services using Python (Django)
Designing APIs and workflows
Collaborating closely with Product and Design to shape features end-to-end
Technical Skills Required
Python Django FastAPI JavaScript PostgreSQL TypeScript Vue.js
Benefits & Perks
£80-100k salary
Bonus
Equity
Fully remote work
Private Healthcare
Market leading benefits
Nice to Have
Experience in AI, data platforms, or research tooling

Job Description


Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity


The company: We’re working with a profitable, mission-driven technology company that has been operating quietly at scale for over a decade and is now experiencing explosive growth due to AI demand.


The platform connects organisations with high-quality, real human data - data that is now being used by some of the most advanced AI teams in the world to train and evaluate their models. What started in research has rapidly expanded into AI and platform services, and the engineering team is scaling fast to keep up.


The business recently restructured into multiple product verticals to handle demand and is now hiring senior engineers to help shape the next phase of growth.


The Role – Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity


You’ll join a senior-heavy, product-focused engineering team working on systems that sit at the intersection of AI, research, and real-world human input.


This is a backend-first role (≈70%), with the opportunity to work across the stack where it makes sense.


You’ll be expected to think like a product engineer - balancing delivery, quality, and long-term platform health.


What you’ll be doing: Senior Product Engineer - Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity

  • Building and owning backend services using Python (Django)
  • Designing APIs and workflows that support high-volume, real-world usage
  • Collaborating closely with Product and Design to shape features end-to-end
  • Improving platform reliability, scalability, and developer experience
  • Contributing across the stack when needed (TypeScript / frontend exposure)
  • Operating in a fast-moving, slightly scrappy environment where priorities evolve quickly


Tech Stack: Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity

  • Python (Django) – core backend
  • PostgreSQL
  • TypeScript (nice to have)
  • Vue.js on the frontend
  • Modern product tooling and CI/CD practices


What They’re Looking For: Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity

  • 4–6+ years of professional software engineering experience
  • Strong, production-grade Python experience (Django essential)
  • Proven senior-level ownership - comfortable operating with ambiguity
  • Product mindset: able to think beyond tickets and code
  • Excellent communication and collaboration skills
  • Experience in start-ups or scale-ups strongly preferred
  • No degree requirements


Experience in AI, data platforms, or research tooling is a bonus - not a requirement.


Interview Process: Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity

  • 30-minute intro call (engineering & talent)
  • 60-minute paired programming session (Python-focused) - Emphasis on communication, collaboration, and testing
  • Product & engineering interview (tech + product thinking)
  • Final behavioural conversation with senior leadership


Why Join: Senior Product Engineer - Python / Django / FastAPI focused | FE JavaScript | US, Global Leader in AI, Series A | Fully Remote (UK) | Salary £80-100k + Bonus + Equity

  • Platform already used globally, now scaling rapidly due to AI demand
  • Strong product culture with real-world impact
  • Senior-only hiring bar - quality over quantity
  • Fully remote within the UK
  • Clear growth plans: engineering team scaling from ~60 → 100+
  • Competitive package: £85–100k base, Up to 10% bonus, Equity scheme, Private Healthcare and Market leading benefits


If you’re a senior Python engineer who enjoys building thoughtful products, working closely with product teams, and wants to have a tangible impact on how AI systems are built and evaluated - this is a genuinely strong opportunity.


Apply with your CV and we’ll be in touch if it looks like a good fit.


Similar Jobs

Explore other opportunities that match your interests

Senior Power Apps Developer

Programming
3h ago
Visa Sponsorship Relocation Remote
Job Type Contract
Experience Level Mid-Senior level

Haystack

United Kingdom

AI Engineer (Senior)

Programming
4h ago
Visa Sponsorship Relocation Remote
Job Type Contract
Experience Level Mid-Senior level

Inara

United Kingdom
Visa Sponsorship Relocation Remote
Job Type Full-time
Experience Level Associate

Hunter Bond

United Kingdom

Subscribe our newsletter

New Things Will Always Update Regularly