Senior Python Developer – Digital Trading Analytics

TESTQ Technologies Limited

📍 greater london, England, United-Kingdom

Full-time IT & Technology Posted February 24, 2026

Job Description

Job Type: Contract

Work Mode: Onsite (Client)

We’re looking for a Senior Python Developer to design, build, and maintain high‑performance, scalable solutions that support financial and energy market analytics. You’ll work with complex datasets, trading systems, and front‑office stakeholders to deliver robust data and analytics products. You will play a key role in shaping engineering practices, leading junior engineers, guiding architectural decisions, and collaborating across squads to deliver innovative, business‑critical solutions.

Key Responsibilities

  • Designing, developing, testing, and deploying scalable, high‑performance software solutions for data processing and analytics.
  • Collaborating with business stakeholders to understand market and trading requirements and translate them into robust technical solutions.
  • Providing technical leadership, code reviews, and mentorship to junior engineers.
  • Troubl...