AI Engineer (170k + Equity) at

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jacks network

The next step is to speak to Jack.

AI Engineer

Salary: 170k Equity

Company Description: - Series A edtech startup backed by $22M in funding

Job Description:
Join one of the UKs fastest-growing startups to build the Duolingo for anything. Reporting directly to the CEO you will leverage generative AI and cognitive science to transform passive learning into interactive gamified experiences. Youll play a central role in shipping production-ready LLM features to over 1.5 million monthly active users.

Location: London UK

Why this role is remarkable:

• Massive traction with 1.5M monthly active users and $5M ARR scaling rapidly following a $22M Series A funding round

• High-impact early-stage opportunity where you report directly to the CEO and shape the product architecture for millions of global learners

• Work at the cutting edge of AI implementation moving beyond research to deploy production-grade LLM systems using Gemini GPT-5 and Claude

What you will do:

• Design and ship production AI features using advanced prompt engineering and the latest models like Gemini and GPT-5

• Build and maintain robust evaluation frameworks to systematically assess and improve the performance and grounding of AI systems

• Integrate complex AI models into a high-performance TypeScript production environment owning features from initial design through to deployment

The ideal candidate:

• Senior software engineer with 7 years of experience and deep technical proficiency in TypeScript and backend systems

• Practical expertise in AI/LLM implementation including production work with APIs model evaluation or a strong academic ML background

• Proven startup veteran or ex-founder who thrives in high-autonomy environments and prioritizes shipping impactful code over rigid corporate processes

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up supporting you with applications interview prep and moral support.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.

Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.

Required Experience:

IC