Senior C++ Engineer - Trading

Job Description Senior C++ Engineer - Rust

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 have over 180 team members worldwide. Our diverse team hails from 42 countries, with 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 are trading on more than 80 exchanges and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise has led us to expand rapidly. Our services include market making, options trading, high-frequency trading, OTC, and DeFi trading desks. But we’re more than a service provider. We’re initiators and pioneers in adopting Rust for our algorithmic trading and champions of its use in the industry. We support the growth of Web3 startups through our Accelerator Program, upgrade ecosystems by injecting liquidity into promising DeFi, RWA, and NFT protocols, and push industry progress through research and governance initiatives. At Keyrock, we're not just envisioning the future of digital assets; we're actively building it. Mission Statement

We are seeking a

Rust or C++ Engineer

with

trading experience

to join our

Options High-Frequency Trading (HFT) team . Our tech stack includes

Rust, Node.js, and Python . While proficiency in Rust is preferred, we welcome strong

C++/C engineers

eager to learn and master Rust. As part of the

Options HFT engineering team , you will drive

continuous improvements

in trading infrastructure and system performance. This role offers the opportunity to make a significant impact within a small, rapidly growing business unit, collaborating globally in a fully remote environment. Candidates located in

European or US time zones

are encouraged to apply. What You'll Do

Develop and optimize low-latency options trading systems Collaborate with quants, traders, and engineers to enhance trading strategies Maintain and improve trading infrastructure for high performance and stability Design and implement efficient, scalable, and resilient trading solutions Troubleshoot and enhance exchange connectivity and execution speed Support functional and component testing for critical trading components What We're Looking For: Technical Skills & Experience

Strong experience in Rust and/or C++ (C background also considered) Prior experience in a trading environment (HFT, Market Making, Prop Trading, or similar) Eagerness to become an expert in Rust (if not already) Experience with PostgreSQL databases and protobuf-based protocols or similar Exchange connectivity experience and/or FPGA technologies (highly valued) Experience in High-Frequency Options Trading and low-latency systems (a plus) What We Value: Soft Skills & Competencies

Ownership & Reliability:

Take full responsibility for your work, write high-quality, maintainable code, meet deadlines, and proactively address issues. Initiative & Problem-Solving:

Approach challenges entrepreneurially, make independent judgments, and drive solutions. Operational Diligence:

Respond strategically to technical and operational challenges, ensuring robust trading infrastructure. Curiosity & Growth Mindset:

Seek continuous improvement, stay ahead of industry trends, and explore new technologies. Excellent Communication Skills:

Collaborate effectively within a fully remote, global team. Knowledge of latency optimization through Speculative Execution Rollback (SER) is highly valued. Our Recruitment Philosophy

We value self-awareness and the right skills, seeking individuals who understand their career goals and are motivated to join our innovative field. The ideal candidate is a tech enthusiast, driven, collaborative, and committed to delivering scalable outcomes. Recruitment Process

HR interview Head of Engineering interview (technical) Rust challenge Head of BU interview Meet the team chat Offer What We Offer

A competitive salary package with benefits depending on engagement type (employee or freelancer) Flexible working hours and remote work options for autonomy The opportunity to create your entrepreneurial experience within a team striving for excellence We are committed to fostering an inclusive, diverse, and non-discriminatory work environment. We welcome applicants of all backgrounds, ethnicities, genders, creeds, and identities. Our hiring, rewarding, and promotion practices are merit-based. Due to the nature of our business, we perform background checks on all potential employees, which is a prerequisite for joining Keyrock. Learn more at