Principal Backend Development Engineer (C++)

Role Overview

Principal Backend Development Engineer (C++) at Bybit, a leading cryptocurrency exchange and digital financial platform serving over 80 million users across more than 200 countries and regions.

Company Overview

Bybit, established in 2018, is one of the world's leading cryptocurrency exchanges and digital financial platforms. The company delivers a seamless ecosystem across trading, payments, wealth management, custody, institutional services, and Web3. Bybit is recognized as one of the most trusted and transparent platforms in the digital asset industry, backed by a global team of ambitious builders, problem-solvers, and innovators operating in a high-performance and fast-moving environment with 24/7 multilingual customer service.

Role Purpose

Design, develop, and maintain core derivatives trading systems that power perpetual contracts, futures, and options trading at scale. The role focuses on building high-performance, highly concurrent systems that ensure consistency and correctness across orders, trades, positions, and account balances while collaborating with product, risk management, and operations teams to translate complex trading rules and risk requirements into verifiable system implementations.

Key Responsibilities

Core System Design & Development

• Design and develop core derivatives trading systems covering order processing, position management, and real-time account risk controls, supporting perpetual contracts, futures, and options.
• Design high-performance data structures, concurrency models, and event-processing mechanisms to ensure consistency and correctness across orders, trades, positions, and account balances.

Collaboration & Requirements Translation

• Collaborate with product, risk management, and operations teams to translate trading rules and risk requirements into clear, verifiable system implementations.

Quality & Observability

• Participate in architecture reviews, code reviews, performance testing, and production troubleshooting to improve engineering quality and observability.

Qualifications & Experience

• At least 5 years of C++ development experience, with hands-on experience building high-performance, highly concurrent, or low-latency systems.
• Experience with Linux systems programming and network programming, including TCP/UDP, I/O multiplexing, and common network performance bottlenecks.
• Experience designing complex stateful systems and addressing event ordering, idempotency, state consistency, and fault recovery.
• Experience developing systems for exchanges, brokerages, futures trading, quantitative trading, or financial infrastructure (preferred).
• Familiarity with derivatives trading mechanics, including margin, leverage, isolated and cross margin, mark prices, funding rates, liquidation, and settlement (preferred).

Skills & Competencies

• Proficiency in modern C++, with a deep understanding of object lifetimes, memory management, templates, and the STL, and the ability to write efficient, reliable, and maintainable code.
• A deep understanding of multithreading, atomic operations, memory models, and thread synchronization, with the ability to diagnose and resolve concurrency correctness and performance issues.
• An understanding of how CPU caches, cache coherence, false sharing, and NUMA affect performance, with experience using tools such as perf for performance analysis and optimization.
• Experience with lock-free data structures, CPU affinity, memory pools, zero-copy techniques, or SIMD optimization (preferred).
• A strong focus on correctness and reliability, with solid analytical skills and the ability to independently investigate complex issues, design solutions, and implement them.
• Fluency in English.

Additional Information

• Study Growth Fund: Professional development and continuous learning support.
• Internal Events: Participation in regular team-building activities, workshops, and events designed to promote collaboration and innovation.
• Global Collaboration: Work alongside a diverse, international team.
• Career Advancement: Access to opportunities for growth and advancement within a rapidly expanding global company.
• Internal Mobility: Long-term development support with internal job opportunities to build your career path.