Full Stack Engineer (Founding)

Company: SEEKR
Apply for the Full Stack Engineer (Founding)
Location: London
Job Description:

Overview


Are you a Full-Stack Engineer who thrives on building things from scratch and wants to shape a new platform for agentic AI economics? Want to be engineer #3?


About the Mission


Build the go-to intelligence platform for tracking AI agent costs, margins, and predicting future burn. You’ll architect, own, and deliver real-time data streaming, analytics, and powerful APIs for dashboards and integration — turning millions of metrics into actionable insights for the world’s fastest-moving AI companies.


What You’ll Build



  • High-throughput, low-latency event pipelines using modern streaming frameworks.

  • Scalable databases and attribution engines (Postgres, ClickHouse) for cost/revenue mapping.

  • APIs and dashboard integrations in TypeScript and Python.

  • Machine learning infrastructure for prediction and anomaly detection.

  • End-to-end reliability, observability, and cloud scalability (AWS, GCP, Docker, Kubernetes).


The Opportunity



  • Full technical ownership — drive architecture, standards, and build at company-defining scale.

  • Work in a collaborative London HQ office (4 days/week) with two experienced founders and front-end leaning full-stack hire #1.


Your Background



  • 3+ years building distributed, high-throughput backend and full stack systems.

  • Fluent in Python, TypeScript or Go; advanced API development (REST/GraphQL).

  • Strong knowledge of security and cloud infra; frontend experience (React) major plus.

  • Startup energy: curious, proactive, communicative.


How to Apply


Emailmark@seekr.inc with the subject “Found(er) Me.” Share why you’re the builder for this, and show off the last thing you shipped at scale.


Seniority level



  • Mid-Senior level


Employment type



  • Full-time


Job function



  • Engineering and Information Technology


Industries



  • Staffing and Recruiting


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Posted: April 11th, 2026