Quant Developer (C++/Rust) (London)

Company: Fionics
Apply for the Quant Developer (C++/Rust) (London)
Location: London
Job Description:

Overview

For a complete understanding of this opportunity, and what will be required to be a successful applicant, read on.

Job Title: Quantitative Developer

Location: London

Company Overview: Join one of the fastest-growing high-frequency trading (HFT) firms, having expanded 25x in just 2 years. With virtually no regrettable turnover, this firm offers a dynamic and stable environment where you can grow alongside industry veterans.

Job Description: We are seeking an early-career Quantitative Developer who is eager to gain expansive experience beyond the typical, hyper-siloed roles found at tier 1 firms like Jump Trading, Citadel, and Jane Street. This role offers the unique opportunity to broaden your professional horizons in a rapidly scaling international setting.

Responsibilities

  • Develop and implement quantitative models using C++ and Rust.
  • Collaborate closely with trading teams to design and optimize strategies.
  • Engage in continuous learning to remain abreast of industry trends and technologies.
  • Contribute to a team-oriented environment with open communication channels.

Qualifications

  • Strong proficiency in C++ and/or Rust.
  • Passion for problem-solving and a keen interest in financial markets.
  • Ability to work collaboratively in a high-stakes, fast-paced environment.
  • Excellent communication and interpersonal skills.
  • Internship or work experience at a tier 1 HFT/Quant Fund and/or IMO/ICPC/etc. experience

Benefits

  • Competitive compensation package.
  • Opportunities to work with and learn from seasoned industry professionals. xwzovoh (ex-Citadel, Tower, etc.)
  • A stable, growth-oriented career path with low turnover.

Posted: April 5th, 2026