Lead Data Engineer – Market Data Systems

EC1 Partners; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

EC1 Partners is seeking a lead data engineer to own the design and delivery of market data pipelines supporting trading, analytics, and downstream systems. You will mix hands-on engineering with technical leadership in a complex capital markets environment.

You will architect and build ingestion pipelines, lead development across core data components, mentor other engineers, and partner with trading and analytics teams to ensure data reliability and performance.

Qualifications

• Strong Python and SQL expertise.
• Market data or trading data exposure.
• Cloud data architecture experience.
• Leadership or mentoring experience.
• Financial services background.

Responsibilities

• Architect and build market data ingestion pipelines.
• Lead development across core data components.
• Mentor and guide other data engineers.
• Partner with trading and analytics teams.
• Own data reliability and performance.

Skills

Python

SQL

Market data exposure

Cloud data architecture

Leadership / mentoring

Financial services background

Job description

Role Overview

A lead-level role owning the design and delivery of market data pipelines supporting trading, analytics, and downstream systems. You’ll combine hands‑on engineering with technical leadership in a complex capital markets environment.

Key Responsibilities

• Architect and build market data ingestion pipelines

• Lead development across core data components

• Mentor and guide other data engineers

• Partner with trading and analytics teams

• Own data reliability and performance

Required Experience

• Strong Python and SQL expertise

• Market data or trading data exposure

• Cloud data architecture experience

• Leadership or mentoring experience

• Financial services background

Nice to Have

• Real-time or streaming data experience

• Vendor feed integration

• Low‑latency systems exposure

Why Join

• Technical leadership opportunity

• High-value, complex datasets

• Strong visibility across the business