C++ Engineer - Options Trading

Backend Rust Engineer – Options Trading

Since our beginnings in 2017, we've grown to be a leading
- maker in the digital asset space, renowned for our partnerships and innovation.

Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from De
Fi natives to Ph
Ds. Predominantly remote, we have hubs in London, Brussels, and Singapore, and host regular online and offline hangouts to keep the crew tight.

We are trading on more than 80 exchanges, working with a wide array of asset issuers. As a well‑established market maker, our distinctive expertise led us to expand rapidly. Our services span market making, options trading, high‑frequency trading, OTC, and De
Fi trading desks.

We’re more than a service provider. We’re an initiator. We're pioneers in adopting Rust for our algorithmic trading, and champions of its use in the industry. We support Web3 startups through our Accelerator Program, upgrade ecosystems by injecting liquidity into promising De
Fi, RWA, and NFT protocols, and push the industry’s progress with research and governance initiatives.

At Keyrock, we’re actively building the future of digital assets.

Mission statement

We are looking for a Rust or C++ Engineer with extensive HFT trading systems experience, to join our team. Our technology stack is Rust (backend), Type
Script (UI), and Python (data). The ideal candidate must be willing to learn and become an expert in Rust, if not already proficient. Candidates with a C++/C background are also welcome.

You will be joining our small but rapidly growing Options Business Unit’s fully remote engineering team, building and improving our low‑latency options trading system. You’ll have the opportunity to solve interesting business problems with a high impact on our bottom line. Candidates in Asian or European time‑zones are preferred.

Core responsibilities

• Design and implement scalable systems architecture with simple, extendable APIs.
• Develop low‑latency and/or option trading features.
• Collaborate within a globally remote async team.
• Iteratively balance business requirements with long‑term technical vision.
• Own projects from requirements gathering through deployment.
• Maintain an operational mindset, understanding infrastructure and deployments.

Background and experience

• 5+ years of low‑latency and/or data‑heavy (trading) systems experience.
• Strong experience with 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.
• Essential: Options trading knowledge or a keen interest.
• Valuable: Previous experience with exchange connectivity and/or FPGA technologies.
• Essential: Experience with Postgre
  SQL databases and protobuf‑based protocols, or similar technologies.

Competences and personality

• Problem‑solving and pragmatic approach to system design and implementation.
• Entrepreneurial, “big picture” architectural thinking with attention to detail.
• Excellent communication skills and a team‑player mindset collaborating within a fully remote global team.

Recruitment process

• Initial HR interview
• Interview with the heads of the Options business unit
• Technical challenge (home‑work type, not a live coding or pair‑programming exercise)
• Challenge debrief (discussion where you present your solution and receive feedback)
• Offer

Our offer

• A competitive salary package, with various benefits depending on the method of engagement (employee or freelancer).
• Autonomy in time management with flexible working hours and the opportunity to work remotely.
• The freedom to create your own entrepreneurial experience by being part of a team that seeks excellence.

As an employer we are committed to building an inclusive, diverse and non‑discriminating work environment. We welcome employees of all backgrounds, ethnicities, genders, creed and sexual orientation. We hire, reward and promote entirely based on merit and performance.

Due to the nature of our business and external requirements, we perform background checks on all potential employees. Passing these checks is a prerequisite to join Keyrock.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology