Staff Product Engineer

JR United Kingdom; Slough; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

An innovative seed-stage company is seeking a Staff AI/Product Engineer to own core product components, deliver complex features, and leverage AI tools. The ideal candidate will have strong Python skills and experience in fast-paced tech environments, passionate about continuous growth and impactful product development.

Qualifications

• Experience in high-growth startups or fast-paced tech environments.
• Track record of end-to-end product development.
• Strong Python skills with customer-facing features.

Responsibilities

• Own end-to-end delivery of complex features.
• Collaborate with teams to understand customer needs.
• Leverage AI tools to accelerate development.

Skills

Python

AI coding assistance tools

Communication

Intellectual curiosity

Commercial awareness

Job description

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Product focused mindset AND technical prowess - an opportunity to truly own, build and ship a product entirely influenced by you!

This is a perfect sum-up for this Staff AI / Product Engineer role & the culture within the company.

Quick view details about the role:

Location: London

Hybrid working - 1 day / week in office

No Visa Sponsorship possible at this point

Company Size: Seed Stage with 7m funding and ample runway, more funding on its way.

Tech stack: Python, Fast API, GCP, AI coding tools like Cursor, GitHub Copilot or Claude Code

What makes them awesome?

The product - an AI driven workspace, purpose built LLMs to be incredibly accurate and able to influence business decisions. The product is already far more accurate than OpenAI / Gemini / Salesforce or others within their space.

The leadership - highly experienced leaders with 17+ years in the tech scene, extremely passionate about harnessing AI's power to build truly impactful products & solutions.

The people - a senior team that's highly experienced and knowledgeable, each bringing an edge in their field & their roles. Together, they truly believe in team effort, recognising each other's values and excited about what each can do. It is a truly inspirational envrionment allowing people to focus on what they do best.

Their way of working has been defined by this approach: no daily stand-ups - just meaningful weekly syncs, ad-hoc collaboration when needed and lots of well documented journeys.

What do they believe in?

• Product-Minded Engineering: Understanding the "why" behind features and using technical
• expertise to inform product decisions
• Intellectual Honesty: Backing discussions with data and acknowledging knowledge gaps
• Effective Time Management: Setting clear time boxes and abandoning approaches that aren't working
• Clear Communication: Writing self-documenting code and providing detailed explanations
• Innovation Mindset: Forming well-reasoned opinions backed by data and continuously learning
• Personal Growth: Supporting your development through challenging work and opportunities to expand your expertise

What does a Staff Product Engineer do here on a day to day:

• Think like a Product Manager: Own core product components while balancing technical excellence with business impact (they do NOT have a PM in the team so part of this responsibility is yours).
• Own end-to-end delivery of complex features from initial concept to production deployment and customer adoption
• Collaborate with product and commercial teams to understand customer needs and translate them into robust technical solutions
• Leverage AI coding tools like Cursor, GitHub Copilot, and Claude Code to accelerate development workflows
• Lead development of features solving our customers' most complex challenges:
• Advanced data extraction systems for processing property leases at scale
• Sophisticated workflow automation for analysing planning documents and drafting advice
• Multi-step agentic content generation for creating market research reports
• Implement data privacy and security by design
• Invest in your own growth by taking on ambitious technical challenges and expanding your expertise
• Apply our engineering philosophy: intellectual honesty, effective time management, clear communication, and innovation

What you'll need:

• Experience in high-growth startups or fast-paced tech environments
• Track record building software in organizations with excellent engineering practices
• History of owning end-to-end product development, from definition to delivery and customer adoption
• Strong Python skills with a track record of shipping customer-facing features on critical paths
• Experience building and maintaining high-quality APIs and integrations
• Proficiency with AI coding assistance tools (Cursor, GitHub Copilot, Claude Code)
• Intellectual curiosity and honesty—digging deep into problems and sharing findings openly
• Proven ability to make technical decisions that balance immediate user needs with long-term architecture
• Exceptional communication abilities for explaining complex concepts to diverse audiences
• Ambition and resilience—we're a seed-stage company tackling ambitious challenges
• Commercial awareness—delivering continuous value to customers is essential
• Passion for personal growth and continuous learning

If this sounds like a role for you, I would love to have a chat!