Data Infrastructure Engineer (70k-90k + Equity) at Arctal

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.

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Job Title: Data Infrastructure Engineer AI Agents

Salary: 70k-90k Equity

Company Description: Arctal - AI-native financial data platform

Job Description:
Join a high-output team of five reinventing financial data. You will own the entire data infrastructure function building systems that transform 100000 unstructured documents into high-stakes institutional datasets. By leveraging autonomous AI agents youll create a scalable engine that outproduces departments ten times its size for the worlds leading asset managers.

Location: London UK

Why this role is remarkable:

• Massive leverage: Join a lean team of five that produces the output of fifty using a proprietary fleet of autonomous AI agents (LISA TIM DAN ADA) to disrupt a $100bn market

• Founders with pedigree: Work directly with founders who have backgrounds in Cambridge ML research and have successfully co-founded deep-tech ventures like Secondmind and Sylvera

• CTO Trajectory: This is a foundational role offering a fastest-in-market education in agentic workflows with a clear path to leadership as the company scales to meet existing institutional demand

What you will do:

• Own the end-to-end data lifecycle including ingestion cleanup storage transformation and distribution of millions of unstructured financial PDFs

• Architect and maintain high-reliability pipelines and quality monitoring systems that institutional buyers rely on for multi-million dollar decision-making

• Build and refine the infrastructure for existing and new AI agents pushing the boundaries of how agentic tooling like Claude Code and Codex are used in production

The ideal candidate:

• 35 years of experience building production data pipelines or ML systems with a data-as-a-product mindset and a deep obsession with data integrity

• Expert-level Python skills with proficiency in Postgres async programming task queues and scraping alongside daily use of agentic coding tools

• Proven track record in small high-autonomy environments (2-30 people) where you drive projects from concept to shipment without needing hand-holding or tickets

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