Staff Product Engineer - Build Agentic, End-to-End Platforms

Dex; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Dex is seeking a product-focused engineer to help build and scale agentic service lines. You will own end-to-end challenges, collaborate with a small team of engineers, and shape core product improvements that affect user flows and system integrations.

Bring strong TypeScript/React skills, experience with distributed systems, and a product-first mindset to deliver impactful changes. Availability to ship features rapidly and empower non-engineers with internal tooling is highly valued.

Qualifications

• At least 2 years of professional engineering experience, with a clear desire for breadth over deep specialization.
• Proven ability to own problems end-to-end, from fuzzy requirements to shipped solutions and impact measurement.
• Strong full-stack proficiency in TypeScript and React, comfortable with distributed systems challenges like partial failure and external integrations.
• A product-first mindset: you care deeply about user flow, UX, and the impact of small details like copy.
• A track record of building leverage for others, whether through pairing, clear explanations, or impactful internal tools.

Responsibilities

• Build and launch new agentic service lines, from initial concept to live deployment.
• Design and implement core product improvements, often working with one or two other engineers.
• Develop internal tooling and 'guardrails' that enable non-engineers to ship product changes independently.
• Tackle complex challenges in long-running workflow orchestration, retries, and integrations with external systems.
• Iterate rapidly on product experiments, using data to prove impact and inform future direction.

Skills

TypeScript

React

Full-stack

Distributed systems

UX focus

End-to-end ownership

Job description

Dex is seeking a product-focused engineer to help build and scale agentic service lines. You will own end-to-end challenges, collaborate with a small team of engineers, and shape core product improvements that affect user flows and system integrations.

Bring strong TypeScript/React skills, experience with distributed systems, and a product-first mindset to deliver impactful changes. Availability to ship features rapidly and empower non-engineers with internal tooling is highly valued.