C++ Backend Engineer - Low-Latency Trading Systems

HireHi

Greater London

Hybrid

GBP 75,000 - 125,000

Full time

4 days ago

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Benefits offered by this job

Salary + Bonus

Pension

Life Assurance

Healthcare

Peppy Healthcare

Employee Assistance

Retail Discounts

Training & Progression

One day WFH

Job summary

HireHi is seeking a senior C++ backend engineer to redevelop a core equity trading system for the EMEA market. You will design, build, and optimise large data‑intensive backends running on Linux, collaborating directly with traders to translate requirements into robust solutions.

You will own projects from design to delivery, tackle low‑latency and high‑volume data challenges, and contribute to architecture decisions.

Qualifications

Strong C++ backend development experience.
Experience working with traders in Front Office trading environments.
Excellent communication and stakeholder management skills.
Strong knowledge of Computer Science fundamentals, including OOP, Design Patterns, and Data Structures.
Degree in Computer Science or a similar STEM discipline.

Responsibilities

Redevelop and customise a core equity trading system for the EMEA market.
Build and enhance large, complex, data-intensive backend systems using C++17 / C++20 on Linux.
Solve challenges involving high-volume data and performance at scale, including low-latency development.
Work directly with traders to understand trading requirements.
Make technical decisions and deliver robust solutions with a direct impact on the trading desk.
Own projects from initial design through to delivery.