Job Description
Role: Senior Product Engineer
Location: London - Hybrid (1-2 days)
Compensation: Up to £140,000 + equity
We’re working with a mission-driven technology company using AI to solve some of society’s toughest challenges.
As a Senior Product Engineer, you’ll take ownership of one of their core AI products, leading a small, talented engineering team while staying hands-on with code. You’ll shape architecture, mentor engineers, and work closely with product and design teams to deliver meaningful, high-impact features used daily by people improving lives across the UK.
What you’ll do
* Lead a product engineering team building AI-powered tools that make a measurable social impact.
* Spend around 60% of your time coding, across backend, frontend, and infrastructure.
* Design scalable systems and technical architecture for rapidly evolving AI products.
* Collaborate with cross-functional teams — product, design, data, and AI — to ship impactful features.
* Explore and integrate the latest advancements in large language models and generative AI.
* Help build a strong, values-led engineering culture grounded in curiosity, pragmatism, and purpose.
You should have
* Experience leading or mentoring software engineers.
* Solid background across the full stack (Ruby, Go, Python, Typescript)
* Strong grasp of system design, data structures, and scalable architectures.
* Familiarity with cloud platforms (e.g. GCP, AWS) and AI tooling.
* A product-focused mindset and passion for solving real-world problems through technology.
Why it’s exciting
* Work at the intersection of AI innovation and social good, building tools that directly improve people’s lives.
* Shape the future of rapidly growing AI products used by thousands every day.
* Collaborate with exceptional engineers, designers, and product leaders who care deeply about purpose and performance.
* High autonomy, real ownership, and the opportunity to lead engineering in a mission-driven environment.
f you’re excited by the idea of using world-class engineering and AI to solve real social challenges — building products that help people on the frontlines change lives every day — we’d love to hear from you.