Principal AI Engineer
Harnham - Data & Analytics Recruitment · USA · posted 28 days ago
Going rate £41,500UK median £43,384
Home Office going rates from
Occupation
2119Natural and social science professionals n.e.c.
Going rate for this occupation: £41,500 · UK median pay £43,384
Home Office going rates from
Where this salary sits
- UK pay for this occupation
- This role£49,636 to £60,056estimated · above the range ONS published
- Going rate£41,500
- UK median£43,384
View these figures as a table
| Percentile | Pay |
|---|---|
| 10th | £28,682 |
| 25th | £34,431 |
| 50th | £43,384 |
| 75th | £53,804 |
| Going rate | £41,500 |
| UK median | £43,384 |
Sponsorship
Sponsorship chance
Not derived. We hold too little to place this role on the scale.
We hold too little public record data about this employer, occupation and salary to say anything about sponsorship for this role.
- A recruitment agency posted this advert, so the employer who would hold the licence is not named.
- The salary is an estimate from national earnings data, not the employer's figure.
Why
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Principal Software Engineer
Remote (US East Coast preferred) | Up to $300,000 Total Cash Compensation + Equity
A great opportunity to join an early-stage AI software business at a defining point in its growth. As the senior technical leader within a small but rapidly expanding engineering function, you will have significant influence over architecture, engineering standards, product direction, and team development while remaining deeply hands-on in the code.
The Company
They are a profitable AI business helping organisations identify practical, high-impact opportunities for AI adoption and transformation. Their flagship platform combines data, process modelling, and AI technologies to create digital representations of organisations, enabling leaders to make more informed operational and investment decisions.
The Role
This Principal Software Engineer role is best suited to a hands-on technical leader who enjoys building, mentoring, and solving complex engineering challenges.
You will:
Lead the architecture, development, and scaling of a cloud-native AI platform Act as the senior technical contributor across a multi-disciplinary team of software engineers, data engineers, and data scientists Drive engineering best practices, software quality, and code review standards Build and deploy production-grade AI and LLM-powered applications Own technical decision-making across application architecture, infrastructure, and platform scalability Partner closely with product and business stakeholders to deliver commercially valuable solutions Play a key role in shaping the future engineering organisation as headcount grows
Your Skills & Experience
Strong commercial experience building software applications in Python Experience as a Principal Engineer, Staff Engineer, Technical Lead, Founding Engineer, or similar senior individual contributor role Proven track record delivering production AI or LLM-based applications beyond experimentation or proof-of-concept work Experience with modern LLM frameworks and orchestration tooling such as LangChain, LangGraph, or similar technologies Strong understanding of multi-model AI environments and working with leading foundation model providers Experience owning cloud infrastructure and deployment pipelines, ideally within Google Cloud Platform Knowledge of services such as Cloud Run, BigQuery, IAM, containerisation, and CI/CD tooling Experience working within startup, or other lean engineering environments Interest in AI adoption, automation, analytics, or operational transformation projects
Information from public records, not immigration advice.