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Job Description

Staff Product Engineer

London | Hybrid | Full-time

Salary: Up to £125,000

We’re partnering with a high-growth, AI- consumer technology start-up that’s tackling a large, complex and highly visible everyday problem at scale.

They’re looking for a Staff Product Engineer to operate at the intersection of product, engineering and systems design, owning a small number of high-impact initiatives that materially change how customers experience the product and how the platform scales.

As a Staff Product Engineer, you’ll lead complex, cross-cutting initiatives from problem definition through to production, working closely with product, operations and leadership.

You’ll focus on turning ambiguous, real-world problems into simple, reliable systems, shipping incrementally and measuring impact continuously. You’ll also help define the technical patterns, primitives and “paved roads” that enable a small, fast-moving engineering team to scale effectively. This role reports directly into senior technical leadership and has clear visibility at exec level.

Key Responsibilities

Own and deliver a small number of high-leverage, business-critical initiatives each year Translate complex, fuzzy problems into clear technical and product plans Design and ship end-to-end solutions in small, frequent production releases Act as a domain owner across one or more core areas (e.g. frontend, workflows, infrastructure, data or AI-driven systems) Define reusable patterns, libraries and workflows that improve reliability, speed and clarity across teams Mentor and unblock senior and emerging engineers, raising the technical bar across the organisation Produce clear written documentation to align engineering, product and operations

Tech Environment

Full-stack TypeScript, React, Postgres Modern cloud infrastructure (AWS, Terraform) Strong observability and monitoring practices Data platforms and analytics tooling AI-powered systems working with complex, unstructured real-world data

(Exact tooling is less important than strong engineering judgement and product thinking.)

What They’re Looking For

Strong experience operating at Staff / Principal / Lead Engineer level Proven ability to lead cross-team, ambiguous initiatives that move core metrics Deep product mindset alongside excellent software engineering fundamentals Comfort designing systems, workflows and failure modes — not just features Enjoys mentoring, improving how teams work, and raising overall engineering effectiveness Happy staying hands-on in code while influencing technical direction Prefers smaller, high-agency teams over large, process-heavy environments

Benefits

Competitive salary + meaningful equity 33 days holiday (including bank holidays) Health & dental cash plans + EAP Travel benefits (cycle to work, season ticket loans) High-quality equipment and learning budget Well-supported, collaborative office environment

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.