Full-Stack AI Engineer

Plan:it
Greater London, UK
3 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Compensation
£140,000.0
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Artificial Intelligence Operational Databases Service Design Systems Integration TypeScript Large Language Models Backend Virtual Agents

Job description

Full-stack engineering role (backend-leaning) for someone who thinks like a product owner. You’ll take real ownership end-to-end. From shaping what gets built to shipping it into production., * Build and scale backend services and APIs across the core platform

  • Own features from requirements through to production
  • Solve performance and reliability challenges at real-world scale
  • Influence product direction alongside a tight-knit engineering team

Requirements

TypeScript - full-stack, backend-leaning - scalable API and service design, production data systems. Ideally, you’ll have strong LLM and agentic AI experience. You’ll be designing, integrating and shipping AI systems into production. Evaluation, testing and safe deployment matter as much as building.

You’ll be a good fit if you…

  • Have 5+ years of engineering experience
  • Have shipped AI products into production - LLMs and agentic systems
  • Have worked in a small, early-stage startup environment - had real ownership
  • Operated end-to-end, move fast, and want real autonomy
  • Want to make a difference with your work

Benefits & conditions

  • Up to £140k base (DoE) + equity
  • L&D budget + dedicated time to use it
  • Annual trips and always something fun in the calendar
  • London / hybrid working - must like the office environment

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

1:00 min

Misconceptions about TypeScript safety capabilities

Simone Sanfratello · JS Congress

4:42 min

Answering questions on frontend-first architecture and core service design

Kaya Sohyun Kim · World Congress 2022

2:14 min

Exploring internal AI product initiatives and global engineering roles

Maria Apazoglou · Coffee With Developers

1:12 min

Choosing TypeScript for complex backend applications

Maximilian Otto Maximilian Otto · World Congress 2024

1:25 min

Expanding AI across the product development lifecycle

Daniel Geisel Daniel Geisel +1 · World Congress 2026 Europe

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