Dex

Senior Product Engineer

London, Remote. Posted 10 months ago

The role

This is a full-stack product role with a backend-heavy focus. You will own complete product slices end-to-end, including building backend systems, LLM integrations, and React/TypeScript frontends.

What you will do

  • Take features from spec to production
  • Build and maintain backend systems including product APIs, data pipelines, and core infrastructure
  • Ship product features with significant LLM integration
  • Contribute to the voice agent backend and information extraction systems
  • Ship workable React/TypeScript frontend for product features
  • Translate ambiguous requirements into concrete shipped work
  • Handle data integrity, error paths, API evolution, and operational concerns

Required qualifications

  • Independent delivery of end-to-end product slices with minimal supervision
  • Product trade-off judgment
  • Reliability and API discipline
  • Cross-functional pragmatism
  • Python backend (FastAPI or equivalent, async patterns, Postgres, Redis)
  • LLM integration
  • API design and data modelling
  • JavaScript/TypeScript

Nice to have

  • Experience with voice agents or real-time audio pipelines
  • Familiarity with evals, guardrails, or agent observability
  • Familiarity with GCP / cloud infrastructure
  • Experience in recruiting tech, marketplaces, or matching systems

Benefits

  • Above market salary
  • Significant equity
  • Full private healthcare & dental
  • Fertility benefits & enhanced parental support
  • Gym membership & wellness benefits
  • Claude tokens
  • Regular socials, offsites and an annual trip
  • MacBook Pro + team kit
  • Whatever you need approach to tools and support

Before you apply

  • Candidates can experiment with the Dex agent
  • 30m video call with Internal Talent Lead
  • Hiring Manager call
  • Practical task usually completed offline
  • Onsite interview loop including office visit and interviews with team and Founder

About the company

Dex aims to close the gap between Talent & Opportunity by building technology that helps individuals understand their strengths and connect with opportunities. They are starting by connecting ambitious software engineers with companies.