CareerPlan

Lead Software Engineer

London, United KingdomFull-time2026-10-27 → 2026-11-10

Core

Lead the technical direction and architecture of a next-generation index data platform handling significant volumes of financial data for global financial institutions.

Role type

Senior IC Lead Software Engineer (Data-intensive systems)

Builds

Production software services, APIs, and data pipelines for financial indices

Domain

Financial markets / Index data / Distributed systems

Deliverable

production ML models | product features

Required skills

Python, Software design and architecture, Relational databases (PostgreSQL/Aurora), AWS, CI/CD, Data-intensive systems, Technical mentorship

Preferred skills

Apache Spark/PySpark, Lakehouse architectures (Apache Iceberg), Infrastructure as code (Terraform/AWS CDK), Financial markets domain knowledge

Technologies

Python, PostgreSQL, Aurora PostgreSQL, AWS (Lambda, Glue, EMR Serverless), Apache Iceberg, Terraform

Responsibilities

Design and ship production software, own technical architecture for a defined area, mentor and coach engineers, drive engineering quality and standards, resolve technical blockers, design data-intensive systems on AWS

Seniority

Senior, hands-on IC with leadership scope