Founding Fullstack Engineer – AI-Driven Startup (London)

Job Title

Cracked founding engineer (Fullstack)

Company Description

BLEEP64 LTD – VC-backed AI startup building B2B SaaS solutions with strong product-market fit.

Job Description

Join as the first technical hire at a high‑growth startup where you’ll own the product end‑to‑end. You will ship features in days, not weeks, directly impacting users who already show strong retention. This is an elite environment for a builder who wants to master AI integration and rapid 0→1 development.

Location

London, UK

Why this role is remarkable

• You will be the first technical hire, granting you unparalleled autonomy and ownership over core architectural decisions and product direction.
• The company is already de‑risked with active pilots, a +60 NPS, and a distribution edge that ensures your work reaches users immediately.
• You will work directly with founders in a high‑energy environment, gaining unique exposure to the fundraising process and the London tech scene.

What you will do

• Own and ship new product features end‑to‑end across a modern React, Next.js, and Python FastAPI stack.
• Integrate and deploy advanced AI features using foundational models to solve real‑world B2B vertical challenges.
• Collaborate directly with users to iterate on the product based on immediate feedback and data‑driven insights.

The ideal candidate

• A prolific builder with a portfolio of side projects or previous startup experience demonstrating a high shipping velocity.
• Proficient with TypeScript, React, Tailwind CSS, and Python, with a solid understanding of PostgreSQL and Supabase.
• A self‑starter who thrives in “organized chaos” and is excited about grinding alongside a dedicated team to build a category‑defining company.

Required Skills

• Full Stack Development
• Python
• PostgreSQL
• TypeScript
• React
• English (Required language)

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