Founding Product Engineer at Susa Ventures-backed aerospace startup

Join an elite team of aerospace veterans as the third founding engineer at a London-based startup modernizing how aircraft are maintained and manufactured. Backed by Susa Ventures (1-in-10 unicorn hit rate) and early investors in Anduril, this role offers high ownership and the chance to ship AI-powered software into one of the world's most complex industries. If you have 2+ years of full-stack experience and a passion for building mission-critical tools with Python and React, this Fitzrovia-based role is your chance to help reshape human engineering.

Overview

Role overview

Join as the third founding engineer at a high-growth startup modernizing the aerospace industry. You will build the core software platform that defines how aircraft are inspected and maintained worldwide. Working alongside industry veterans and aerospace experts, you will ship full-stack features and integrate AI/LLMs into mission-critical aviation workflows.

Company

Fleetcraft

Software1-50 employees

Susa Ventures-backed aerospace startup reshaping global aircraft maintenance and manufacturing

Responsibilities

What you will do

Build and ship full-stack product features end-to-end, including data pipelines, API integrations, and responsive React frontends.
Design and deploy production-grade AI/LLM-powered features and voice agents that solve real friction for aviation maintenance personnel.
Collaborate directly with founders to refine product flows and ensure the software meets the rigorous safety and trust standards of the aerospace industry.

Candidate profile

Who this is a fit for

At least 2+ years of experience building and shipping production-grade full-stack software using Python, FastAPI, and TypeScript/React.
Hands-on technical experience integrating AI/LLMs (OpenAI, Anthropic) into user-facing systems with a strong focus on UX instincts.
Background or interest in complex data systems, including ETL processes, system integrations, or managing infrastructure via Azure and Docker.

What makes it remarkable

Why this role is remarkable

Rare opportunity to join as the third founding engineer with high ownership over architectural decisions and the core product roadmap.
Backed by Susa Ventures (1-in-10 unicorn hit rate) and Liquid 2 VC, early investors in category-defining companies like Anduril and Stoke Space.
Work with a world-class team and advisory board composed of former executives from Gulfstream, major aircraft OEMs, and global aviation training facilities.

Jack & Jill

How Jack & Jill work together

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