Senior Brokerage Systems Engineer (Trading, Clearing & Settlement, Accounting Systems)

BIT Official; Hong Kong; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

BIT is seeking a senior backend/distributed systems engineer in Hong Kong to design and implement core systems for trading, accounting, and settlement at scale. You will own OMS/EMS integration, work with clearing brokers and venues, and build robust risk, margin, and reconciliation capabilities while ensuring high availability and regulatory alignment.

Fluent CN/EN communication essential. Join BIT to help bridge traditional finance and digital assets, contribute to global infrastructure, and

Qualifications

• Bachelor's degree or above in Computer Science or related field.
• 5+ years backend/distributed systems dev experience, 3+ years core system experience at securities firm or exchange.
• Familiar with full order lifecycle and OMS/EMS design; proficient in FIX protocol and able to integrate FIX Engine.
• Deep understanding of clearing, settlement, and accounting mechanisms; hands-on with broker-level accounting systems.
• Strong engineering skills and good communication in Chinese and English.

Responsibilities

• Design and implement architecture for core systems including trading, accounting, clearing and settlement.
• Lead system integration with Clearing Brokers and Execution Venues.
• Build broker-level accounting and end-of-day reconciliation system.
• Design risk engines for margin financing and options derivatives; manage deposit/withdrawal/transfer flows.
• Ensure high availability, disaster recovery, and fund anomaly contingency plans; collaborate with compliance, operations, product and other teams.

Skills

Backend systems

Distributed design

OMS/EMS design

FIX protocol

CN/EN communication

Education

Bachelor's degree in CS or related field

Tools

FIX Engine

Accounting systems

Core system integration

Job description

About BIT：

BIT (formerly Matrixport) is a global digital asset financial services and infrastructure group. Headquartered in Singapore and founded in 2019, BIT bridges traditional finance and digital assets through governance-driven financial services and technology.

The firm manages over US$7 billion in assets and facilitates more than US$7 billion in monthly trading volume. BIT offers services including custody, trading, asset and wealth management, liquidity and financing solutions, and tokenised real-world assets (RWA), serving institutional and professional investors globally.

BIT Group entities maintain a licensed and regulated footprint across Singapore, Hong Kong, Switzerland, the United Kingdom, the United States and Bhutan.

For more information, visit www.bit.com

Kickstart Your Journey at BIT：

At BIT, we come together as a dynamic team to tackle exciting challenges head-on, creating an environment bursting with openness, transparency, and inclusivity. Every graduate is a vital part of our mission, and your ideas will always be valued. We’re searching for passionate, intellectually curious, and entrepreneurial individuals ready to make a real impact in the crypto ecosystem and help create innovative products for the next billion users.

• Make a Difference in the Future of Web3!
• Gain Hands-On Experience with Cryptocurrencies!
• Unlock Global Opportunities!
• Mentorship and Networking with Industry Leaders!
• Join a Fun, Vibrant, and Engaging Culture!

Key Responsibilities

• Core System Architecture: Design and implement the architecture for core systems including trading, accounting, and clearing & settlement, ensuring data consistency and fund security.
• External Institution Integration: Lead system integration with Clearing Brokers and Execution Venues.
• Accounting & Reconciliation System: Build a broker-level accounting and end-of-day reconciliation system, ensuring data alignment with clearing parties, upstream brokers, and regulatory reporting.
• Margin Financing & Options Derivatives: Design and iterate risk engines (margin and liquidation logic) and deposit/withdrawal/transfer flows to ensure fund safety.
• Stability & Contingency: Ensure high availability, disaster recovery, and fund anomaly contingency plans. Collaborate cross-functionally with compliance, operations, product, and other teams.

Requirements

• Bachelor's degree or above in Computer Science or a related field.
• 5+ years of backend / distributed systems development experience, including 3+ years of core system experience at a securities firm or exchange.
• Familiar with the full order lifecycle and OMS/EMS design. Proficient in the FIX protocol and able to independently complete FIX Engine integration.
• Deep understanding of clearing, settlement, and accounting mechanisms, with hands-on experience designing and implementing broker-level accounting systems.
• Strong engineering skills and good communication skills in both Chinese and English.

Preferred:

• Experience building a core system from 0 to 1 at an offshore securities firm.
• Knowledge of open-source/commercial components related to accounting or FIX.

Embrace the opportunity to thrive and grow with us as we shape the future together at BIT!

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