Principal Software Engineer - AI-First Platform Engineering

Set2Recruit • United Kingdom
Remote
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AI Summary

We are hiring a Principal Software Engineer to lead AI-first engineering practices for a mature enterprise software platform. The role involves designing and building AI tooling to accelerate deployment, reduce manual overhead, and scale product rollout. Candidates must have senior-level technical expertise, hands-on coding ability, and experience in high-growth environments.

Key Highlights
First dedicated AI engineering hire for a revenue-generating platform
Direct ownership of AI tooling and deployment process
Board-level accountability for AI development
UK-based, fully remote with occasional travel
£150,000–£200,000 base salary plus bonus
Key Responsibilities
Assess current end-to-end delivery and configuration process to identify highest-impact opportunities for AI tooling
Design, build, and own tooling that accelerates deployment across the customer base
Work alongside established engineering team, drawing on institutional product knowledge to inform and shape the approach
Take full technical ownership of AI development on the platform with direct board-level accountability
Technical Skills Required
AI Agents Multi-Agent Systems Agentic AI LLMs Fine Tuning Prompt Engineering LangChain LangGraph MCPRAG Vector Databases Python PyTorch FastAPI MLOps CI/CD REST APIs Distributed Systems Microservices System Design AWS GCP Azure Docker Kubernetes Claude Code
Benefits & Perks
£150,000–£200,000 base salary plus bonus
UK-based location
Fully remote work

Job Description


About this role


We are working with a platform business to appoint their first dedicated AI engineering hire. The organisation operates a mature, revenue-generating enterprise software platform with an established customer base. The engineering team and the underlying product are well-established. The AI capability layer is not, and building it is the mandate for this hire.


The successful candidate will take full technical ownership of how the platform is configured and delivered to customers. The objective is to apply AI-first engineering practice to reduce manual overhead in the deployment process, compress delivery timelines, and increase the scale at which the product can be rolled out. This person will define the approach as well as execute it, reporting directly to the Directors.


What you will do


  • Assess the current end-to-end delivery and configuration process to identify the highest-impact opportunities for AI tooling
  • Design, build, and own the tooling that accelerates deployment across the customer base
  • Work alongside an established engineering team, drawing on institutional product knowledge to inform and shape the approach
  • Take full technical ownership of AI development on the platform with direct board-level accountability


What we are looking for


  • An engineer who operates AI-first as a default: using AI tooling actively in daily engineering practice, not learning to do so
  • Demonstrable experience in a high-growth or scale-up environment, with a track record of owning outcomes and shipping without extensive process overhead
  • Hands-on technical ability: this is a role for someone who writes code and builds tooling directly, not one that directs others to do so
  • Comfort operating on a largely greenfield brief with limited prior specification
  • Experience at Senior, Staff, or Principal level


Technical Skills


  • AI Agents · Multi-Agent Systems · Agentic AI
  • LLMs · Fine Tuning · Prompt Engineering
  • LangChain · LangGraph · MCP
  • RAG · Vector Databases
  • Python · PyTorch · FastAPI
  • MLOps · CI/CD · REST APIs
  • Distributed Systems · Microservices · System Design
  • AWS · GCP · Azure · Docker · Kubernetes
  • Claude Code


Role details


Title: Principal Software Engineer (working title, open to discussion)

Reports to: Directors

Location: UK-based, fully remote with occasional travel

Compensation: £150,000 – £200,000 base salary plus bonus, negotiable for the right candidate

Start date: ASAP, or by agreement


Further detail regarding the organisation and product will be shared with shortlisted candidates.


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