C++ Developer – Data Infrastructure | Quant Trading | Up to £250k

Oliver Bernard; Greater London; Hybrid; GBP 230,000 - 250,000; Full time

Benefits offered by this job

Hybrid work

Job summary

Oliver Bernard in London is seeking a C++ Developer to join the data infrastructure team supporting trading and research. You will design and maintain high‑performance microservices for large‑scale data access and processing, with a focus on latency, throughput and reliability.

The role offers hybrid working (4 days onsite) and up to £250k total compensation, reflecting ownership of distributed systems and collaboration with data engineers, scientists and quants.

Qualifications

• 4+ years of engineering experience.
• Strong modern C++ skills.
• Experience with microservices architecture.
• Proficiency in databases and SQL.

Responsibilities

• Design and maintain C++ microservices for large-scale data access.
• Build high-performance systems for data retrieval and processing.
• Optimize for latency, throughput and reliability.
• Troubleshoot distributed issues in production.
• Contribute to architecture across analytics pipelines.
• Collaborate with data engineers, scientists and quants.
• Ensure smooth deployment and operational stability.

Skills

C++

Microservices

Async/multithreaded

SQL

Job description

C++ Developer – Data Infrastructure | Quant Trading | Up to £250k

A leading global quant firm is hiring a C++ Developer to join their data infrastructure team that underpins trading and research. This team owns the service‑oriented microservices responsible for high‑speed data retrieval, processing and storage across the business.

Expect deep technical ownership, complex distributed systems challenges, and meaningful impact on the firm’s data ecosystem

What You’ll Work On

• Design and maintain C++ microservices for large‑scale data access
• Build high‑performance systems for data retrieval and processing
• Optimise for latency, throughput and reliability
• Troubleshoot distributed issues in production
• Contribute to architecture across analytics pipelines
• Collaborate with data engineers, scientists and quants
• Ensure smooth deployment and operational stability

What You Bring

• 4+ years engineering experience
• Strong modern C++, Microservices + async/multithreaded systems
• Databases + SQL

London | Hybrid (4 days onsite)

Up to £250k total compensation

C++ Developer – Data Infrastructure | Quant Trading | Up to £250k