Backend Rust Engineer - Options Trading

Since our beginnings in 2017 we have grown to be a leading change‑maker in the digital asset space, renowned for our partnerships and innovation. Today we have 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 trade on more than 80 exchanges and work with a wide array of asset issuers. As a well‑established market maker our services span market making, options trading, high‑frequency trading, OTC, and De
Fi trading desks.

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

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. We are open to candidates from C++/C backgrounds as well.

You will be joining our small but rapidly growing Options Business Unit’s fully remote engineering team, building out 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. We are looking for candidates in either Asian or European time‑zones.

Rust Engineer – Core Skills

• Very strong on scalable systems architecture and 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.

Background and Experience

• 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 Postgre
  SQL databases and protobuf‑based protocols, or similar technologies, is considered essential.

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 with a team‑player mindset, collaborating within a fully remote global team.

Recruitment Philosophy

We value self‑awareness in our recruitment process and seek people who understand themselves and their career goals. We look for crypto trading enthusiasts who are driven, collaborative, and deliver solid, scalable outcomes by using an engineer’s biggest weapon: simplicity.

Recruitment Process

• Initial HR interview
• Interview with the heads of the Options business unit
• Technical challenge (home‑work type – not a live coding challenge or pair programming)
• 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 your time management thanks to flexible working hours and the opportunity to work remotely.
• The freedom to create your own entrepreneurial experience by being part of a team in search of excellence.

Equal Opportunity

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 which is a prerequisite to join Keyrock.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology