Founding Engineer at fast-growing AI startup

Jack & Jill/External ATS; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

A fast-growing AI startup based in London is seeking a Founding Engineer to build an innovative product from scratch, focusing on AI-supported productivity and social impact. You will design and develop core features, contribute to technical decisions, and mentor a growing team. Ideal candidates will have exceptional software engineering skills and experience in early-stage startups. This role offers significant autonomy and impact within a mission-driven environment.

Qualifications

• Exceptional software engineering skills with a track record of building scalable systems.
• Experience in early-stage startups or building products from 0->1.
• Passion for AI-supported productivity and a strong desire for social impact.

Responsibilities

• Design, develop, and deploy core AI-powered productivity features and systems.
• Contribute to architectural decisions and technology stack selection.
• Mentor early hires and foster a strong, collaborative engineering culture.

Skills

Software engineering skills

Building scalable systems

Mentoring early hires

AI-supported productivity

Job description

Founding Engineer

This is a job that we are recruiting for on behalf of one of our customers.

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.

Company Description

fast-growing AI startup

Job Description

Join an innovative AI startup as a Founding Engineer, building a 0->1 business focused on AI-supported productivity and social impact. This is a unique opportunity to leverage market-leading technical skills to shape product vision and architecture from the ground up, driving significant early-stage growth and making a tangible difference.

Location

London, UK

Why this role is remarkable

• Opportunity to build a product from scratch (0->1) with significant autonomy and impact
• Be a foundational member of a mission-driven team focused on AI for social good
• Shape the technical direction and culture of a rapidly evolving startup

What you will do

• Design, develop, and deploy core AI-powered productivity features and systems
• Contribute to architectural decisions and technology stack selection from the ground up
• Mentor early hires and foster a strong, collaborative engineering culture

The ideal candidate

• Exceptional software engineering skills with a track record of building scalable systems
• Experience in early-stage startups or building products from 0->1
• Passion for AI-supported productivity and a strong desire for social impact

How to Apply

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Step 1. Visit our website
Step 2. Click 'Speak with Jack'
Step 3. Login with your LinkedIn profile
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions
Step 5. If the hiring manager would like to meet you, Jack will make the introduction