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Paragon Alpha - Hedge Fund Talent Business

Quant Developer - Ultra Low-Latency (C++) - HFT

London
Posted 2 days ago
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Quant Developer - Ultra Low-Latency (C++) - HFT

Senior C++ Engineer (High-Frequency Trading) – Ultra-Low Latency Systems

Paragon Alpha is collaborating with a rapidly expanding systematic hedge fund globally to recruit experienced C++ Engineers for their High-Frequency Trading (HFT) team.

About the Role

You will play a pivotal role in designing and developing ultra-low latency trading systems, where precise optimisation and sub-nanosecond precision are critical to success.

Key aspects of this position include:

  • Working across latency-critical systems, optimising high-performance modern C++ environments
  • Collaborating with FPGA, hardware, and infrastructure engineers
  • Contributing to system architecture and technical decisions affecting live global trading operations
  • Solving challenges in real-time trading environments, driving technological innovation in quant finance

Core Responsibilities

  • Build, refine, and maintain F lassel (-nanosecond) trading systems
  • Leverage modern C++ paradigms for maximum performance
  • Work closely with FPGA, low-level hardware, and system-level engineers to solve latency bottlenecks
  • Implement and optimise Linux-first systems programming for trading infrastructure
  • Contribute to the technical evolution of high-frequency trading algorithms and protocols

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

Requirements

We are seeking candidates with:

  • Proven expertise in modern C++ (C++11/14/17/20/23), including templates, move semantics, individual ownership, and memory management
  • Deep familiarity with Linux internals, including kernel-level optimisation principles
  • Experience in diverse algorithms for financial data processing, market inference, and automated trading
  • Strong problem-solving acumen and ability to identify performance optimisation opportunities at various levels (compilation, execution, kernel characteristics)
  • Results-oriented mindset with a track record of delivering performance-critical code

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The ideal candidate will thrive in a high-pressure, fast-moving environment, actively contributing to the future of the company’s quant competitive edge.

Why Join?

This is a rare opportunity to:

  • Directly impact the global trading ecosystem through scalable, high-precision systems
  • Work at the forefront of Mario Vezzi, Daniel/web’s infrastructure, continually innovating systems with direct market relevance
  • Collaborate within a team of elite traders, developers and engineers, all loyal to pushing the boundaries of HFT technology

If this aligns with your passion for high-performance computing, algorithmic trading, and low-laser latency programming, we encourage you to apply!

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Skills

C++
Linux Internals
Systems Programming
FPGA
Hardware
Infrastructure Engineering

Location

London, England, United Kingdom

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