C++ Engineer - Trading

Backend Rust Engineer – Options Trading

Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world, spanning 42 nationalities and diverse backgrounds ranging from DeFi natives to PhDs. 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 distinctive expertise led us to expand rapidly, now spanning market making, options trading, high‑frequency trading, OTC, and DeFi trading desks. We are pioneers in adopting the Rust Development language for our algorithmic trading and champions of its use in the industry.

At Keyrock, we're not just envisioning the future of digital assets—we're actively building it.

We are looking for a Rust OR C++ Engineer with extensive (HFT) Trading Systems experience to join our team. As our technology is based on 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 high impact on our bottom line. We are looking for candidates in either Asian or European time‑zones.

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

• 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.

• Initial HR interview
• Interview with the heads of the Options business unit
• Technical challenge (home‑work type, not a live coding challenge nor pair programming)
• Challenge debrief (a discussion where you present your solution, guide us through your thought process and receive feedback)
• 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 of people in search of excellence.

As an employer we are committed to build 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.