Founding Engineer (+ Equity) at fast-growing AI automation startup at Jack & Jill/External ATS

London, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

17 May, 26

Salary

0.0

Posted On

16 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Full-Stack JavaScript, Backend Python, AI, API Architecture, DevOps, Voice Integration, Reasoning, Context Management, Data Pipelines, Backend Infrastructure, Knowledge Extraction, Ownership, Autonomy

Industry

Staffing and Recruiting

Description

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 Jack's network. The next step is to speak to Jack. Founding Engineer Company Description: Fast-growing AI automation startup Job Description: As a Founding Engineer, you will build the AI layer designed to autonomously run small businesses. Working alongside a proven technical founder with a massive previous exit, you will ship step-changing features, integrate cutting-edge intelligence into core products, and architect scalable backend systems to enable autonomous operations for thousands of customers. Location: Remote Why this role is remarkable: Join an elite founding team led by a founder who achieved a $300m bootstrapped exit. Exceptional financial stability with a significant internal warchest and real-value equity options. High-agency environment where you build never-before-seen AI features hands-on with absolute autonomy. What you will do: Build and ship end-to-end product features integrating voice, reasoning, and context management. Architect robust APIs and data pipelines that fuel intelligent agent decision-making. Shape DevOps practices and backend infrastructure for large-scale knowledge extraction and enrichment. The ideal candidate: Deep expertise in full-stack JavaScript or backend Python with a track record of rapid shipping. High-agency mindset with a strong sense of ownership and the ability to act on imperfect information. AI-fluent engineer who utilizes modern tools to maximize efficiency and deliver top-tier results. Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're 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 I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's 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 you're 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 isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't 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 we're giving his services away for free.

Responsibilities

The Founding Engineer will be responsible for building the AI layer designed to autonomously run small businesses, shipping step-changing features, and integrating cutting-edge intelligence into core products. This includes architecting scalable backend systems, building end-to-end product features involving voice and reasoning, and shaping DevOps practices.