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Job listing

London, United KingdomNot Disclosed + Equity

Head of Software Development at Early-stage AI consumer hardware startup

Are you ready to lead the software evolution of a groundbreaking AI-powered physical product? This London-based startup is seeking a Head of Software Development to bridge the gap between complex AI models and consumer hardware. You will own the technical roadmap, from low-latency voice-to-voice systems to cloud architecture, as the company scales from prototype to production. If you have a deep background in Python, RAG pipelines, and high-impact technical leadership, this is your chance to define the future of responsible, screen-free AI interaction.

Overview

Role overview

You will lead the end-to-end software and AI strategy for a pioneering conversational product, moving from prototype to global manufacturing. This hands-on leadership role involves architecting cloud infrastructure, managing external agency partners, and overseeing the integration of sophisticated voice-to-voice models and mobile applications to create safe, interactive consumer experiences.

Company

About the company

Early-stage AI consumer hardware startup

Responsibilities

What you will do

  • Define the technical roadmap across cloud platforms, mobile interfaces, and device-level firmware communication to ensure a cohesive ecosystem.
  • Architect and optimize RAG-based AI pipelines and voice processing systems to deliver high-quality, reliable, and safe user interactions.
  • Manage internal engineering talent and external development agencies to ensure high code quality and timely delivery of the product ecosystem.

Candidate profile

Who this is a fit for

  • Over 7 years of software experience with a strong background in Python or TypeScript and cloud infrastructure (preferably GCP).
  • Proven expertise building systems with Large Language Models, including experience with RAG, prompt engineering, and voice-based applications.
  • Demonstrated ability to lead technical teams or manage agencies in an early-stage, fast-paced environment where hardware and software converge.

What makes it remarkable

Why this role is remarkable

  • Shape the technical backbone of a novel category-defining product at the intersection of AI, voice technology, and physical hardware.
  • Direct influence on engineering culture and product roadmap, working closely with the founding team during a critical transition to scale.
  • Tackle complex, mission-driven technical challenges involving low-latency conversational AI, ethical data processing, and seamless hardware-to-cloud synchronization.

Jack & Jill

How Jack & Jill work together

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