All active Oracle DB roles based in Hong Kong.
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Strong track record in systematic trading, market making, arbitrage, or event-driven trading, ideally across crypto or other electronic markets.
Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.
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At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.
OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.
Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.
OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.
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链上协议开发: 主导去中心化交易协议的核心合约设计与部署,涵盖资金池(Vault)、清算结算中心及交易记录器等关键组件。
交易链路实现: 负责链上清算与结算逻辑的底层实现,并确保与链下高性能撮合引擎的高效协同。
预言机架构集成: 设计并维护高可靠的 Oracle 合约体系,支持实时价格喂价、数据校验及资产定价逻辑。
安全与审计保障: 深度参与合约安全加固,配合第三方审计机构完成代码审计,并主导合约的生产环境上线。
跨端协同对接: 联同后端及测试团队,完成从链下指令到链上资金划转的全链路闭环验证。
专业背景: 计算机、软件工程或密码学相关专业本科及以上学历,具备扎实的计算机理论基础。
Solidity 深度开发: 拥有 3 年以上 Solidity 实战经验,精通 EVM 机制、Gas 优化策略及各类 ERC 标准协议。
清结算领域专家: 具备 2 年以上 DEX 清算与结算系统开发经验,并有成熟的预言机(Oracle)集成实战案例。
多链开发能力: 熟练掌握 Rust 或 Move 语言,能够在中大型项目中独立主导核心合约模块的开发。
跨生态视野: 深入理解主流公链(如 Solana 或 Sui)的底层逻辑,熟悉高性能链上应用的开发范式。
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My client is a leading Web3 and Decentralized Finance (DeFi) company and looking for a Senior Smart Contract Engineer (Solidity/Rust/Move) roles.
Protocol Architecture & Deployment: Architect and implement core on-chain protocols for a Decentralized Exchange (DEX), including capital vaults, clearinghouses, and settlement engines.
On-Chain Transaction Logic: Develop the underlying logic for clearing and settlement processes, ensuring high-fidelity integration with off-chain high-performance matching engines.
Oracle System Integration: Design and maintain robust Oracle contract frameworks to support real-time price feeds, data validation, and asset valuation.
Security & Audit Management: Lead smart contract security hardening initiatives, collaborate with external auditors to rectify vulnerabilities, and oversee mainnet deployments.
End-to-End Synergy: Partner with backend and QA teams to bridge the gap between off-chain trade commands and on-chain fund movements for seamless execution.
Academic Background: Degree in Computer Science, Software Engineering, Cryptography, or a related technical field.
Solidity Mastery: 3+ years of professional Solidity development with deep expertise in EVM mechanics, Gas optimization techniques, and ERC standards.
DeFi Domain Expertise: 2+ years of specialized experience in DEX clearing and settlement workflows, including sophisticated Oracle integration.
Multi-Chain Proficiency: Proficient in Rust or Move programming, with the ability to lead contract module development across diverse blockchain ecosystems.
Ecosystem Knowledge: Strong understanding of the architectural paradigms of high-performance chains such as Solana or Sui.
Experience developing advanced vault standards (e.g., ERC-4626, ERC-7540, or ERC-7575) and complex accounting logic.
Familiarity with advanced security methodologies, including Fuzzing or Formal Verification.
Proven track record of successful smart contract audits or hands-on experience in incident response and protocol hardening.
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My client is a leading Web3 and Decentralized Finance (DeFi) company and looking for a Senior Smart Contract Engineer (Solidity/Rust/Move) roles.
Protocol Architecture & Deployment: Architect and implement core on-chain protocols for a Decentralized Exchange (DEX), including capital vaults, clearinghouses, and settlement engines.
On-Chain Transaction Logic: Develop the underlying logic for clearing and settlement processes, ensuring high-fidelity integration with off-chain high-performance matching engines.
Oracle System Integration: Design and maintain robust Oracle contract frameworks to support real-time price feeds, data validation, and asset valuation.
Security & Audit Management: Lead smart contract security hardening initiatives, collaborate with external auditors to rectify vulnerabilities, and oversee mainnet deployments.
End-to-End Synergy: Partner with backend and QA teams to bridge the gap between off-chain trade commands and on-chain fund movements for seamless execution.
Academic Background: Degree in Computer Science, Software Engineering, Cryptography, or a related technical field.
Solidity Mastery: 3+ years of professional Solidity development with deep expertise in EVM mechanics, Gas optimization techniques, and ERC standards.
DeFi Domain Expertise: 2+ years of specialized experience in DEX clearing and settlement workflows, including sophisticated Oracle integration.
Multi-Chain Proficiency: Proficient in Rust or Move programming, with the ability to lead contract module development across diverse blockchain ecosystems.
Ecosystem Knowledge: Strong understanding of the architectural paradigms of high-performance chains such as Solana or Sui.
Experience developing advanced vault standards (e.g., ERC-4626, ERC-7540, or ERC-7575) and complex accounting logic.
Familiarity with advanced security methodologies, including Fuzzing or Formal Verification.
Proven track record of successful smart contract audits or hands-on experience in incident response and protocol hardening.
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We are seeking a highly technical Senior QA Engineer to spearhead the quality assurance strategy for our client - Decentralized Exchange (DEX). This role focuses on the intersection of traditional exchange mechanics and blockchain technology, requiring a candidate who can perform deep white-box testing on smart contracts while ensuring the reliability of the entire trading lifecycle.
Full-Stack Testing: Lead end-to-end testing for DEX/CEX platforms, encompassing functional integration, User Acceptance Testing (UAT), performance/stress testing, and security assessments.
Smart Contract White-Box Testing: Conduct rigorous unit and integration testing for core on-chain components, including Vaults, Clearinghouses, Settlement engines, and Oracles.
Framework Architecture: Build and maintain scalable automated testing frameworks using industry-standard tools like Hardhat and Foundry.
Release Management: Oversee production environment deployment verification, regression testing, and final launch acceptance to ensure zero-defect deployments.
Collaborative Design: Actively participate in requirements review and test design alongside Developers and Product Managers to bake quality into the development lifecycle.
Experience: 8+ years of professional QA experience with a deep understanding of cross-platform testing (PC, H5, and Mobile).
Domain Expertise: 3+ years of specific experience in Exchange (DEX/CEX) testing, with a thorough grasp of matching engines, clearing/settlement, and asset flow logic.
Blockchain Proficiency: Mastery of smart contract testing across at least two major ecosystems: EVM (Solidity), Sui (Move), or Solana (Rust/Anchor).
Technical Toolkit: Proficient in Hardhat, Foundry, or Truffle for comprehensive white-box testing of contract source code.
Web3 Integration: Skilled in testing Chainlink Oracle integrations, WalletConnect, and Web3 Providers.
Automation Mastery: Proven ability to implement end-to-end automation spanning UI, API, and on-chain interactions.
Risk Management: Familiarity with exchange risk control systems and experience validating complex risk parameters.
Protocol Knowledge: Experience testing specific standards and architectures such as ERC-4626 (Yield-bearing vaults), ERC-7540/7575, AMM (Automated Market Makers), or Order Book contracts.
Security Mindset: Familiarity with smart contract security audits and common vulnerabilities (Reentrancy, Arithmetic Overflows, Access Control).
Advanced Methodology: Experience with Fuzzing (e.g., Echidna, Foundry invariant testing) or Formal Verification.
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Role Overview – Market Data Site Reliability and Engineering (SRE)
This team ensures the high availability and performance of systems that distribute real-time, historical, and reference market data across the firm. These platforms handle extremely high message volumes - over 10 million/second with microsecond latency - and support global financial instruments including equities, fixed income, FX, and derivatives.
Key Responsibilities
Maintain and optimize global market data distribution systems
Monitor capacity, manage latency, and ensure platform stability and security
Collaborate with users and developers on integration, migrations, and compliance
Support production operations, test new releases, and perform system upgrades
Identify automation and efficiency improvements in daily operations
Required Skills
Strong knowledge of UNIX/Linux, including scripting and performance tuning
Proficiency in shell scripting and Python (Java/C++/Perl a plus)
Understanding of networking protocols (TCP/IP, UDP, multicast preferred)
Experience managing global, high-availability systems
Strong problem-solving and communication skills
Preferred Skills
Familiarity with Agile, CI/CD, project management
Knowledge of database technologies
The successful candidate should have:
Nice to have Skills :
- Exposure to incident management in an IT environment
What you'll get:
How to apply:
We take great pride in celebrating the diversity of each and every individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish. That means promoting a strong culture of equality but, most importantly, inclusion. We never want people to change - only add to the amazing mix of people that work for mthree.
Questions about our program and roles? Please get in touch with us at info@mthree.com
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The Equity Production Management team is looking for a talented individual to join the team providing 1st - 3rd line support for Equity Algorithmic trading systems. This is a production level two support role in Equity Sales & Trading. The algorithmic trading product offering provides internal and client users with a wide range of algorithmic trading strategies including benchmark trading, smart order routing, discretionary strategies and internalization of flow, covering listed cash equity, derivatives and FX instruments.
Position Description:
Production Support Analysts are responsible for ensuring optimal performance and stability of Front Office pricing, trading, and risk management applications across multiple product lines. The role offers a fast-paced and interesting mix of technical and business challenges, allowing the holder to develop an in-depth understanding of trading technologies and businesses. While direct experience with these systems and business lines is not essential, the role requires these skills and knowledge to be developed over time. The team operates on a global, follow-the-sun basis that includes weekend coverage on rotation.
Responsibilities include:
• Monitor and respond to user-reported issues as well as infrastructure alerts promptly and professionally; ensure issues are tracked through to resolution.
• Manage proactive ready-for-business checks, identify and fix gaps, and respond promptly to failures.
• Ensure efficient incident management, ensuring accurate communication to impacted groups and timely resolution.
• Facilitate root cause investigations and manage the implementation of corrective and preventative measures.
• Partner with development teams to drive stability, operational excellence, and a culture of efficiency.
• Ensure team knowledge is current and forward-looking.
• Respond to regulatory and compliance issues with urgency.
• Liaise with external technology vendors and exchanges to coordinate changes and resolve connectivity and market data issues.
• Review, execute, and verify production changes in strict accordance with procedures defined in change documents.
• Take an active role in planned technology events, i.e. business continuity tests, ensuring recovery procedures are accurate and complete.
• Leverage tools and resources available within the firm to simplify, automate, or eliminate inefficiencies.
The successful candidate should have:
Nice to have Skills :
- Exposure to incident management in an IT environment
What you'll get:
How to apply:
So you don’t miss out on your dream job, we encourage you to be open to relocating!
We take great pride in celebrating the diversity of each and every individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish. That means promoting a strong culture of equality but, most importantly, inclusion. We never want people to change - only add to the amazing mix of people that work for mthree.
Questions about our program and roles? Please get in touch with us at info@mthree.com
Ready to apply?
Apply to mthree Recruiting Portal
Who We Are
Build. Scale. Sustain.
We are a global technology consultancy with a trademarked, AI-first engineering approach for accelerating the delivery of digital products, and revolutionizing platform modernization. We do the right thing, and we do it right. We're proud to be a World Economic Forum New Champion, and a B Corp-certified company.
About Gen-e2TM
While the market is still largely AI-augmenting delivery, we have reinvented the SDLC to be AI First. Leveraging our 16 years expertise in digital transformation, our approach is a game-changer in productivity and quality, with a strong collaboration between IA generative and our best Talents:
YOUR ROLE:
As a DevOps Engineer, you will be responsible for designing, building, and maintaining scalable and reliable cloud infrastructure using AWS/Azure/Openstack/Kubernetes. You will apply DevOps practices and solutions, conduct client workshops to identify challenges, develop transformation roadmaps, and deliver technical solutions. Additionally, you will coach delivery teams on DevOps best practices and approach projects with an engineering consultant mindset, providing expert guidance and strategic consulting to clients.
Working closely with project teams and business stakeholders, you'll provide technical expertise that enables innovation through both traditional development practices and AI-augmented workflows. Your outstanding interpersonal skills will help you build or be part of a high-performing engineering team that consistently exceeds expectations by effectively combining human expertise with AI capabilities.
YOUR RESPONSIBILITIES
YOUR PROFILE
As our company transitions into an AI-focused firm, all developers are expected to demonstrate proficiency in AI-augmented development practices. We are looking for a creative, self-motivated individual with the following qualifications and qualities:
More About PALO IT
We’re eager to adapt to change, learn from our experiences and move to meet our planet’s urgent needs. We are continuously taking action to:
Our clients are amongst the world's most successful companies. We innovate with both established Fortune 1000s, SMEs and start-ups who aim to make an impact, become global leaders and address the world's most complex challenges.
What We Offer
For more on our team culture and benefits, check out our careers page.
To learn more about our team culture and benefits, visit our careers page. If you resonate with our values, we look forward to connecting with you!
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race or ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status, or any other legally protected status.
Information provided by applicants will be for recruitment purposes within PALO IT and only the short-listed candidates will be contacted.
For further information on our company, please visit our website: https://www.palo-it.com/en-hk/
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Project: Tokenized Electric Vehicle Ecosystem and Real Estate
We are currently partnered with a promising Real world asset tokenization team led by a licensed asset management group, tokenizing a diversified portfolio of income-generating electric vehicle ecosystem and real estate assets, bridging traditional finance and decentralized finance for global investment accessibility in Southeast Asia. Backed by a consortium of reputable partners, they are pioneers in real-world asset (RWA) innovation.
Key Responsibilities
Required Qualifications & Skills
Ready to apply?
Apply to Hyphen Connect Limited
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Project: Tokenized Electric Vehicle Ecosystem and Real Estate
We are currently partnered with a promising Real world asset tokenization team led by a licensed asset management group, tokenizing a diversified portfolio of income-generating electric vehicle ecosystem and real estate assets, bridging traditional finance and decentralized finance for global investment accessibility in Southeast Asia. Backed by a consortium of reputable partners, they are pioneers in real-world asset (RWA) innovation.
Key Responsibilities
Required Qualifications & Skills
Ready to apply?
Apply to Hyphen Connect Limited
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