Senior Fullstack Engineer - AI-Driven Data Platform

Dex; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Dex partner company is looking for an experienced engineer to own major data platform components, building scalable backend services with Python and React.

You’ll scale infrastructure on AWS and Kubernetes, embed AI features into the product and engineering workflows, and drive reliability as the platform grows from dozens to hundreds of enterprise customers.

Expect to tackle deep technical problems, shape architecture decisions, and mentor teammates as part of a lean team.

Qualifications

• 5+ years owning significant platform components end-to-end.
• Strong backend development with Python and React.
• Experience with AWS, Kubernetes, and data warehouses.
• Ability to design scalable, reliable data platforms.
• Proven communication of architectural decisions.

Responsibilities

• Build and scale core data platform components for growth to hundreds of customers.
• Improve reliability across stack: Postgres, Redshift, Iceberg.
• Own infrastructure on AWS and Kubernetes.
• Embed AI tooling into product and engineering workflows.
• Reduce manual support via automation and platform improvements.

Skills

Python

Django

Flask

FastAPI

React

Postgres

Iceberg

Redshift

AWS

Kubernetes

Tools

Iceberg

Redshift

Postgres

Kubernetes

AWS

Job description

Dex partner company is looking for an experienced engineer to own major data platform components, building scalable backend services with Python and React.

You’ll scale infrastructure on AWS and Kubernetes, embed AI features into the product and engineering workflows, and drive reliability as the platform grows from dozens to hundreds of enterprise customers.

Expect to tackle deep technical problems, shape architecture decisions, and mentor teammates as part of a lean team.