Senior Execution Technology Architect – C++

Oxford Knight; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

A leading quantitative trading firm is seeking a Senior Execution Technology Architect to drive a strategic revamp of its execution platform. The ideal candidate will have over 10 years of experience in execution systems within Tier 1 banks or hedge funds and deep C++ expertise. Responsibilities include collaborating with teams to redesign core systems and architect new workflows. This role is crucial for technical direction and involves hands-on contributions. Candidates should be based in or willing to relocate to London.

Qualifications

• 10+ years of experience with Execution Systems at Tier 1 Bank or Hedge Fund.
• Deep C++ experience in high-performance environments.
• Experience in building or optimizing execution systems within trading or finance.

Responsibilities

• Collaborate closely with the current execution technology team to redesign and rebuild core systems.
• Architect and implement new execution workflows and infrastructure.
• Play a hands-on, high-impact role as a senior individual contributor.

Skills

C++ expertise

Execution Systems knowledge

High-performance environment experience

Job description

Location : London

A leading quantitative trading firm is undertaking a strategic, firm-wide initiative to revamp its entire execution platform. We’re seeking a Senior Execution Technology Architect with deep C++ expertise to help drive this transformation.

What You’ll Do:

• Collaborate closely with the current execution technology team to redesign and rebuild core systems
• Architect and implement new execution workflows and infrastructure
• Play a hands‑on, high-impact role as a senior individual contributor (non-managerial)
• Influence technical direction and contribute to performance‑critical systems

Hard Requirements:

• 10+ years of experience with Execution Systems at Tier 1 Bank or Hedge Fund

Who You Are:

• A senior‑level technologist with deep C++ experience in high‑performance environments
• Experienced in building or optimizing execution systems within trading or finance
• Passionate about hands‑on architecture and solving complex systems challenges
• Based in or open to relocating to London