Full-Time

Backend Rust Engineer

Options Trading

Posted on 10/4/2025

Keyrock

Keyrock

201-500 employees

Liquidity provision through algorithmic trading

No salary listed

London, UK

Remote

Candidates must be in either Asian or European time zones.

US Top Secret Clearance Required

Category
Software Engineering (1)
Required Skills
Rust
Postgres
C/C++
FPGA
Requirements
  • Very strong on scalable systems architecture, simple extendable APIs.
  • Experience with low latency and/or option trading is highly valued.
  • Capable of working in a wider team environment, in a globally remote async team.
  • Pragmatic in their approach to problem solving through iterations, balancing business requirements with a long term technical vision.
  • Complete ownership from gathering initial requirements all the way to deployment.
  • Operational mindset, understanding infrastructure and deployments.
  • Expert low latency and/or data heavy (trading) systems or similar (5+ years experience).
  • Very strong experience with either Rust and/or C/C++.
  • Willingness to become an expert in Rust (if not already).
  • Experience with unit and integration testing, or equivalent functional testing approaches.
  • Options Trading knowledge or a keen interest is considered essential.
  • Previous experience with exchange connectivity and/or FPGA technologies is valuable.
  • Experience with PostgreSQL databases and protobuf-based protocols, or similar technologies, is considered essential.
Desired Qualifications
  • Previous experience with exchange connectivity and/or FPGA technologies is valuable.

Keyrock provides liquidity solutions for digital asset markets by using algorithmic trading and market making on both centralized and decentralized exchanges. Its tech places buy and sell orders automatically to tighten spreads and improve market liquidity, serving B2B clients such as crypto exchanges and blockchain projects. The system works by running proprietary algorithms that continuously quote prices and trade sizes, aiming to offer the best prices while minimizing market impact. Keyrock differentiates itself by operating across multiple venue types (CEXs and DEXs) and focusing on liquidity provision for its clients rather than just executing trades for themselves, enabling partners to run more efficient, better-funded markets. The company’s goal is to enable more liquid and efficient digital asset markets and to generate revenue by charging fees based on trading volume or assets under management, reflecting the value it adds to client ecosystems.

Company Size

201-500

Company Stage

Series B

Total Funding

$77.7M

Headquarters

City of Brussels, Belgium

Founded

2017

Simplify Jobs

Simplify's Take

What believers are saying

  • Series C funding from SC Ventures values Keyrock at $1.1B as of 2026.
  • Grown from 3 to 170+ employees since 2017 across 36 countries.
  • Launched US entity in 2026 to expand global digital asset services.

What critics are saying

  • Wintermute captures Keyrock's institutional clients on 100+ exchanges within 6-12 months.
  • SEC enforces against wash trading, suspending Keyrock on Binance and slashing 40% volume in 3-9 months.
  • Ripple launches in-house market making for XRP partners, reclaiming clients in 6-12 months.

What makes Keyrock unique

  • Keyrock integrates market making, OTC, options, and asset management across 80+ exchanges.
  • Acquired Fija Finance in 2026 to add DeFi yield vaults via smart contracts.
  • Acquired Turing Capital for $27.8M, launching institutional asset management division.

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Benefits

Flexible Work Hours

Remote Work Options

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

-1%
Keyrock
Mar 31st, 2026
Keyrock Secures Series C Funding From SC Ventures - Keyrock

Keyrock has secured Series C funding led by SC Ventures, valuing the company at $1.1B

Munich Startup
Feb 24th, 2026
Keyrock acquires Munich fintech Fija Finance after 2023 seed investment

Keyrock has acquired Munich-based fintech startup Fija Finance, following a 2023 seed investment and accelerator programme participation. Fija Finance specialises in providing financial institutions with technology to generate yields from cryptocurrency holdings through decentralised finance strategies. The acquisition centres on Fija Finance's vault technology, which uses smart-contract-based capital pools to automatically manage digital assets according to defined strategies. The Munich startup's infrastructure will be integrated into Keyrock's core business, giving it access to a larger customer base and additional regulatory infrastructure. Fija Finance CEO Christoph Scholze said the merger would enable the company to scale its technology within a strong digital asset liquidity provider. Financial terms and details about the Munich location's future were not disclosed.

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Keyrock Acquires Turing Capital for $27.8 Million | Phemex News

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