What Jobs are available for Trading Systems in Hong Kong?

Overview
Susquehanna is looking for a C# Developer in Futures & Options team. In this role you will be involved in the analysis, design, and development of business-critical trading systems.

The successful candidate should have a proven track record of designing and developing business critical systems. Taking projects through the entire software development cycle from requirements gathering to production release. Collaborating with Technologists, Traders, and Quantitative Analysts to achieve optimal outcomes.

What You Can Expect From Us
Real Impact: By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimize systems that can process massive amounts of data while still ensuring high performance and stability. You'll see how your contributions towards developing and supporting leading-edge hardware and software technologies make a firm-wide impact that makes us all smarter, faster, and better.

Collaboration: You will partner closely with our Traders, Quantitative Researchers, and other technology teams to deliver and manage scalable and highly performant systems to support trading in the region and globally.

Growth: For many of our roles, we don't expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna International Group. We're looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow.

Benefits:
Susquehanna offers a wide array of competitive employee perks & benefits.

What We're Looking For

• A bachelor's degree (or higher) in a technical or related discipline.
• A track record / knowledge / interest in trading, risk, quantitative or trading systems development is critical.
• Exceptional C# development skills with extensive knowledge of design, profiling, OO, multi-threading, and performance with a specific focus on back-end development.
• Experience in Microservices and Cloud Technologies (Preferably Azure Service Fabric, Microsoft Orleans, Envoy Proxy, gRPC, Protobuf, React JS, Docker, Kubernetes, Octopus Deploy and ELK Stack).
• A knowledge of, or experience in trading, derivatives, risk, pricing, and Greeks will be highly regarded.

About Susquehanna
Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results together.

What We Do
We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

Equal Opportunity Statement
We encourage applications from candidates from all backgrounds, and we welcome requests for reasonable adjustments during the recruitment process to ensure that you can best demonstrate your abilities.

If you're a recruiting agency and want to partner with us, please reach out to . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

Overview

Susquehanna is looking for a C# Developer in Futures & Options team. In this role you will be involved in the analysis, design, and development of business-critical trading systems.

The successful candidate should have a proven track record of designing and developing business critical systems. Taking projects through the entire software development cycle from requirements gathering to production release. Collaborating with Technologists, Traders, and Quantitative Analysts to achieve optimal outcomes.

What you can expect from us:

Real Impact: By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimize systems that can process massive amounts of data while still ensuring high performance and stability. You'll see how your contributions towards developing and supporting leading-edge hardware and software technologies make a firm-wide impact that makes us all smarter, faster, and better.

Collaboration: You will partner closely with our Traders, Quantitative Researchers, and other technology teams to deliver and manage scalable and highly performant systems to support trading in the region and globally.

Growth: For many of our roles, we don't expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna International Group. We're looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow.

Benefits: Susquehanna offers a wide array of competitive employee perks & benefits.

What we're looking for

• A bachelor's degree (or higher) in a technical or related discipline.
• A track record / knowledge / interest in trading, risk, quantitative or trading systems development is critical.
• Exceptional C# development skills with extensive knowledge of design, profiling, OO, multi-threading, and performance with a specific focus on back-end development.
• Experience in Microservices and Cloud Technologies (Preferably Azure Service Fabric, Microsoft Orleans, Envoy Proxy, gRPC, Protobuf, React JS, Docker, Kubernetes, Octopus Deploy and ELK Stack).
  A knowledge of, or experience in trading, derivatives, risk, pricing, and Greeks will be highly regarded.

About Susquehanna:

Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results together.

What we do:

We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

Equal Opportunity Statement

We encourage applications from candidates from all backgrounds, and we welcome requests for reasonable adjustments during the recruitment process to ensure that you can best demonstrate your abilities.

If you're a recruiting agency and want to partner with us, please reach out to . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

As part of a high-performance trading team, you'll be solving large-scale computing problems and deploying robust trading infrastructure. You'll work with world-class developers, researchers, and traders to deliver low-latency, fault-tolerant solutions. Support and enhance cutting-edge trading systems in a fast-paced environment. Troubleshoot, optimize, and collaborate on infrastructure projects while driving impactful solutions across real-time distributed applications and financial markets.

What You'll Do:

• Provide first-line support for trading systems in real-time environments
• Diagnose and resolve root-cause issues across infrastructure and applications
• Plan and execute large-scale application migrations and upgrades

Your Responsibilities Will Include:

• Enhancing system stability, performance, and scalability
• Collaborating in live troubleshooting and brainstorming sessions with colleagues
• Writing SQL queries and developing scripts in Python or Bash
• Applying networking knowledge to optimize system operations

Why Join Us:

• Competitive base salary plus incentive compensation program
• Access to world-class benefits, including healthcare, retirement savings, and wellness programs
• Exposure to high-performance trading environments and advanced technology stacks
• Work alongside top professionals in finance, technology, and research

About You:

• Strong knowledge of UNIX/Linux systems and command line
• Familiar with TCP/IP, UDP, and network troubleshooting
• Skilled in Python scripting and SQL queries
• Curious, self-driven, and able to manage multiple priorities effectively
• 3+ years in trading system support preferred

Bring your curiosity, technical expertise, and drive to a role where your impact is immediate. If you're ready to shape the future of trading systems, we'd love to connect.

The Opportunity:

This is an opportunity to develop trading systems for crypto currencies in the rapidly evolving class of digital assets. You will work with our traders and other experienced developers in a startup-style role building and maintaining Defi strategies, connectivity and infrastructure.

This position will be a very flexible role, working in combination with multiple teams as required on tasks such as: Defi strategy implementation, defi order management; blockchain and mempool inspection; wallet management; security; and blockchain node management.

• Transform trading opportunities into profits. That is, improve and invent trading and market making strategies while minding risk and any market-making obligations. You will oversee the entire process, including problem identification, analysing data, writing software, and providing ongoing support.
• Improve and develop systems for automated monitoring of 24/7/365 trading.
• Develop and support Defi order and transaction management tools in Python and Typescript
• Share ownership of our Defi infrastructure, including blockchain nodes and validators, as well as secure environments for running applications
• Contribute to design and development of our security and wallet management infrastructure
• Analyse and understand new Defi projects and help establish requirements and timelines for integrating against them
• Identify opportunities for system improvements
• Be responsible for troubleshooting system issues as and when they occur
• Engage with the team during system design discussions, code reviews, trading idea brainstorms and daily office banter.

Who you are:

Our ideal candidate will have:

• A software engineer with experience working in Python and Typescript
• 3+ years experience developing blockchain related applications, either via coding smart contracts or coding applications that interact with smart contracts
• Experience in crypto strategy development, market making/liquidity is highly desirable
• A deep knowledge of a large number of popular blockchain protocols (eg. Bitcoin, Ethereum, Solana, Avalanche, etc)
• Good programming skills, with a strong understanding of data structures and algorithms
• You can find the balance between delivering clean, testable, reliable code and rapidly deploying new system features to take advantage of market opportunities
• You are reliable, take pride in delivering robust software and support the systems you develop
• You're able to precisely articulate software concepts and designs

Additional desirable skills that you may have:

• Experience developing in C++

A leading financial institution is seeking an accomplished engineering leader to oversee the development of a mission-critical trading platform. This role is open to candidates to be based in Hong Kong or Sydney.

Responsibilities

• Provide technical leadership and direction across system architecture, design, and delivery.
• Lead, mentor, and develop a high-performing team of software engineers.
• Partner with traders, quantitative researchers, and global technology colleagues to build solutions that enable complex trading strategies.
• Drive enhancements in performance, scalability, and stability of real-time systems.

Desired Skills

• Strong track record leading engineering teams within financial services or similarly complex, real-time technical environments.
• Expertise in distributed systems, microservices, and performance-critical application
• Proficiency in C# or Java

Business Knowledge

• Understanding of derivatives or capital markets technology.

This role can provide full relocation and sponsorship for the individual and immediate family.

Experience: 5 to 10 Years

Language: English ,Cantonese / Mandarin (Fluent)

Strong knowledge of trading platforms and back-office systems

Job Summary:

Looking for an experienced Desktop Application Support professional to support trading and back-office systems in Hong Kong.

Key Responsibilities:

• Provide L2/L3 support for desktop applications in trading/back-office operations.
• Troubleshoot and resolve system issues promptly.
• Collaborate with IT and business teams for smooth system operations.
• Assist with application upgrades, patches, and deployments.
• Maintain documentation for support processes and known issues.

Requirements:

• 5 to 10 years of desktop application support experience (preferably in trading/financial systems).
• Strong knowledge of trading platforms and back-office systems.
• Fluent in English ,Cantonese and/or Mandarin.
• Excellent analytical, problem-solving, and communication skills.

Education:

Bachelor's degree in Computer Science, IT, or related field preferred

Position:
Quant Developer (OTC & Market Making)

Location:
Remote/On-site (Global)

Employment Type:
Full-Time

Department:
Quantitative Trading

Job Summary
We are seeking a
Quant Developer
to design and optimize blockchain-based OTC trading platforms, margin systems, and market-making partnerships. The ideal candidate will possess strong expertise in quantitative finance, algorithmic trading, and blockchain technologies to develop low-latency, scalable systems that enhance liquidity and risk management capabilities.

Key Responsibilities

• OTC Platform Development:
• Design and deploy high-performance OTC trading systems for spot, derivatives, and structured products.
• Integrate with DeFi protocols (e.g., AMMs, RFQ systems) and major blockchain networks (Ethereum, Solana, Cosmos).
• Implement smart order routing and real-time liquidity aggregation for optimal trade execution.
• Margin Trading System Design:
• Build risk management engines for cross-margin, isolated margin, and liquidation logic.
• Develop collateralization models to support tokenized real-world assets (RWAs).
• External Market-Making Partnerships:
• Create APIs and incentive structures for onboarding external market makers.
• Develop tools for liquidity provisioning, fee rebates, and performance monitoring.
• Quantitative Modeling:
• Develop pricing models for crypto derivatives (perpetuals, options).
• Simulate and deploy statistical arbitrage strategies using blockchain and exchange data.
• Compliance & Security:
• Ensure systems conform to regional regulatory standards (e.g., MiCA, FATF guidelines).
• Conduct smart contract audits and implement security best practices.

Qualifications
Essential:

• 3–5 years of experience in quantitative development, preferably in crypto trading, hedge funds, or financial technology.
• Proficiency in Python, C++, or Rust, particularly for building low-latency systems.

• Strong understanding of:

• Blockchain technologies (consensus mechanisms, MEV, wallets).

• DeFi protocols (Uniswap, dYdX, GMX).

• Cryptography (ECDSA, zero-knowledge proofs).

• Proven ability to develop and deploy production-ready trading algorithms.

Preferred:

• Familiarity with institutional trading tools (e.g., PrimeXM, FIX protocol).
• Knowledge of cross-chain interoperability solutions (e.g., LayerZero, Wormhole).
• Research experience in tokenomics or financial market microstructure.

Why Join Us?

• Develop cutting-edge trading systems in the rapidly-evolving blockchain ecosystem.
• Competitive compensation package, including salary, bonuses, and token incentives.
• Flexible work environment focused on research, innovation, and growth.

How To Apply
Submit the following to (email address):

• Your resume.
• GitHub or coding samples.
• Case studies of previous trading systems or strategies developed.

Tech Stack & Tools

• Blockchain Analytics: Nansen, Dune Analytics.
• Trading Infrastructure: AWS, GCP, Kubernetes.
• Smart Contract Development: Solidity, Vyper.

We are looking for a passionate engineer to help build high-performance applications in the fast-changing world of crypto. The ideal candidate should be a talented technologist with a deep expertise in C++ and REST/Websocket communication protocols. In this role, you'll work alongside a dynamic team of professionals, collect trading requirements and deploy the system solutions. The willingness and ability to tackle complex challenges in a collaborative environment are crucial in this position.

A working knowledge in cloud ecosystem and linux OS is a big plus.

Responsibilities

• Design, develop, and maintain high-performance trading applications
• Keep up with the latest technology in crypto trading
• Develop tools to help traders analyse public market information and proprietary trading information
• Design and deliver robust automation solutions

Qualifications

• Bachelor's degree or above in Computer Engineering, or a related field
• 3 yrs+ experience in C++, and has implemented production grade subsystems/systems
• Knowledge in financial derivatives and/or crypto is desirable
• Good communicator. Able to understand non-technical requirements and explain technical concepts to a wide range of audiences
• Basic to good understanding of computing network

A leading global financial services firm is hiring an Algo Trading Support Engineerto join its Asia Trading Systems Support team. This role combines technical support and systems analysis, providing direct exposure to electronic and portfolio trading platforms across the region.

Responsibilities:

• Investigate and resolve production issues, ensuring stability of Algo trading systems.
• Monitor, analyze, and maintain core trading applications in live environments.
• Deploy and validate application releases, coordinating with global technology teams.
• Generate reports and provide analysis on system performance, with input into workflow and process improvements.

Technical Requirements:

• 3–4+ years' experience in trading support or system analysis within electronic trading.
• Strong knowledge of Unix/Linux and scripting with Python; working knowledge of Java a plus.
• Solid understanding of cash equities markets, trade lifecycles, and FIX protocols.
• Familiarity with version control tools (e.g. Git) and monitoring/reporting systems.

BAH Partners specialize in placing the leading technology and quantitative talent into Asia Pacific's premier financial and technology-driven organizations. If you would like more information, or to confidentially discuss your career options, please contact me