AI Research Engineer (80K 120K + Equity) at VC-backed fintech AI startup

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 Research Engineer

Salary: 80K - 120K Equity

Company Description: VC-backed fintech AI startup

Job Description:
You will lead the development of internal LLM and agentic architectures designed to enhance operational workflows within financial services. This role involves fine-tuning models building robust evaluation frameworks and deploying custom AI features. You will work at the intersection of machine learning and product engineering to deliver high-impact automation systems.

Location: London UK

Why this role is remarkable:

• Significant ownership over the AI strategy at an early-stage startup backed by top-tier VCs.

• Opportunity to work on cutting-edge agentic systems and vision models in a high-stakes production environment.

• Competitive package including equity refreshers and flexible travel policies for 4 weeks a year.

What you will do:

• Build and iterate on custom LLM capabilities and agentic systems integrating them into production features.

• Design rigorous evaluation benchmarks and data pipelines to quantify model performance and prevent regressions.

• Develop fine-tuning and distillation loops leveraging human-in-the-loop feedback to optimize model behavior.

The ideal candidate:

• 3 years of experience in AI research or engineering roles specifically building agentic or LLM-based systems.

• Hands-on expertise in prompt engineering fine-tuning pre-trained models and managing MLOps pipelines.

• Strong product mindset with the ability to translate complex research into scalable customer-facing solutions.

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