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Senior Backend Engineer (High-Frequency Trading) at DefinitelyNotOverworked Inc.

DefinitelyNotOverworked Inc. London, United Kingdom Posted on 2026-08-15
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Salary Offering £110,000 - £140,000
Work Location On-site
Employment Type Full-time
Experience Level 5+ years
Key Skills & Tech Stack:
RustC++GoLow LatencyKafkaPostgreSQL
Corporate BS Meter™

EmployMeNot Verdict: Hazardous Jargon Levels

BS Density 96%
0% (Human Speech) 50% (Standard Corporate) 100% (Pure Synergistic Vapour)
Detected Phrases: “Rockstar / Ninja”“Like a family”“Unlimited hustle”
*Satirical commentary by EmployMeNot. Not a factual claim.
Corporate Translation
THEY SAID:

“Thrives in an intense, high-energy environment with merit-based compensation.”

WE HEARD:

“You will have plenty of money and absolutely zero time to spend it.”

Job Overview

Join our ultra-low latency execution team in Mayfair, London. We process billions in daily order flow with microsecond precision. We offer market-leading compensation in exchange for whatever remnants of your personal life you were still clinging to.

Responsibilities

  • Design and maintain ultra-low latency matching engine services and market data feeds.
  • Profile memory allocations, cache misses, and kernel bypass networking interfaces.
  • Answer emergency Slack messages at 11:45 PM on a Sunday regarding a 2-millisecond latency regression.

Requirements

  • 5+ years building distributed or low-latency systems in Rust, C++, or Go.
  • In-depth knowledge of Linux kernel tuning, concurrency primitives, and lock-free data structures.
  • Ability to survive on artisan cold brew and high financial stakes.

Benefits & Perks

  • Lucrative discretionary annual performance bonus (often exceeding 50% base).
  • Catered gourmet breakfast, lunch, and late-night dinners in our London office.
  • Private luxury gym membership and on-site wellness lounge.

Interview Process Expectation

Estimated Interview Rounds: 4 – 6 rounds
Probability of “one final quick conversation”: 98.4%

*Satirical projection based on modern corporate hiring rituals. Actual process set by employer.

About DefinitelyNotOverworked Inc.

DefinitelyNotOverworked Inc. is a high-growth fintech powerhouse processing millions of transactions per second. We foster an intense, high-octane environment for builders who enjoy drinking cold brew at 2:00 AM.

Corporate Reality Check™:“Our ping-pong table has been converted into an overflow desk for the emergency release squad.”
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