CareerPlan

Lead Software Engineer

London, England, GBFull-time2026-10-28 → 2026-11-10

Core

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

Role type

Senior hands-on individual contributor lead software engineer

Builds

Production software services, APIs, shared libraries, and data-intensive systems on AWS

Domain

Financial services / Data engineering / 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, observability, technical mentorship

Preferred skills

Apache Spark/PySpark, big data platforms (Iceberg, Delta Lake, Databricks, Snowflake), infrastructure as code

Technologies

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

Responsibilities

Design and review production code, own technical direction and architecture, mentor engineers, drive engineering quality and testing, resolve technical blockers, design data-intensive software, build scalable AWS services, ensure production reliability

Seniority

Senior, hands-on IC