Staff/Senior Staff Engineer, Web3 Wallet

Responsibilities:Design and implement solutions for systems related to trading, risk management, asset management, and clearing within the Digital Asset Management platform.Maintain, upgrade, transform, and optimize the performance of existing systems.Adopt a holistic architectural approach, providing forward-thinking design for various modules.Lead critical projects and engage in overcoming technical challenges.Requirements:Bachelor's degree or higher in Computer Science or a related engineering field, with a minimum of 5 years of relevant experience.Expertise in one or more programming languages: Go, C/C++, or Java; a willingness to learn Go is necessary if not already familiar.Knowledgeable in network programming and Linux OS, with a strong grasp of data structures and algorithms.Proficient in commonly used databases and components such as MySQL, Redis, and Kafka.Strong analytical and problem-solving skills, with a commitment to teamwork and accountability.Familiarity with distributed system design and experience in developing high-concurrency, high-availability systems.Experience in development and design within the financial sector is preferred.Nice-To-Have:Experience in financial products or the digital asset industry is a plus.Fluency in both English and Chinese; experience in supporting global operations is advantageous.

Join Binance, a pioneering leader in the blockchain ecosystem and the world's largest cryptocurrency exchange by trading volume and registered users. With a community of over 300 million users across more than 100 countries, we are renowned for our exceptional security measures, transparent user fund management, rapid trading engine capabilities, and extensive liquidity. Our diverse portfolio encompasses trading, finance, education, research, payments, institutional services, Web3 functionalities, and more. At Binance, we harness the transformative power of digital assets and blockchain technology to create an inclusive financial ecosystem that promotes monetary freedom and enhances financial accessibility for individuals globally.

At moomoo, we are dedicated to crafting a secure and innovative platform for our users amidst the fast-paced evolution of Web3 technologies. As a Security Engineer with a focus on Web3, you will be instrumental in safeguarding the integrity and security of our blockchain infrastructure and decentralized applications. Your role will be crucial in protecting our digital assets and user information from potential threats and vulnerabilities.Key ResponsibilitiesDesign and implement security measures and protocols for decentralized applications (dApps) to shield against vulnerabilities while ensuring optimal system performance.Perform comprehensive security audits and testing of smart contracts, identifying and addressing potential exploits before they can be exploited by malicious entities.Collaborate closely with development teams to embed security best practices throughout the application lifecycle, from initial design through to deployment.Continuously monitor and analyze the security landscape of Web3 technologies to stay ahead of emerging threats and exploit trends.Lead incident response efforts for security breaches, conducting forensic analyses, and developing strategies to mitigate future risks.

At OKX, we are at the forefront of revolutionizing decentralized finance (DeFi), and we’re on the lookout for a talented Senior Product Designer to join our innovative team in Singapore. In this role, you will spearhead the design of our DeFi products, creating intuitive user experiences that empower users to navigate the future of finance effortlessly. Your expertise will help shape our strategies and elevate the overall user journey, making DeFi more accessible for everyone.

Join OKX as a Senior Product Designer and play a pivotal role in shaping the future of decentralized finance (DeFi). In this position, you'll be responsible for defining our DeFi product offerings, strategizing innovative solutions, and creating exceptional user experiences that drive engagement and usability. Collaborate with cross-functional teams to translate complex concepts into intuitive designs that resonate with our users.

About Futu / MoomooFutu Holdings Limited (Nasdaq: FUTU), the parent company of Futu Securities and the Moomoo platform, stands as a pioneer in the tech-driven online brokerage landscape. Since its Nasdaq debut in 2019, with a market capitalization of approximately $22.7 billion (as of late January 2026), Futu has demonstrated remarkable stability and compliance, holding over 100 global licenses, including SFC approval for virtual assets in Hong Kong and FINRA in the United States. The platform boasts over 28.2 million active users across more than 200 countries and regions, with impressive growth metrics: Q3 2025 revenues surged 86% year-over-year to HK$6.4 billion (US$823 million), client assets climbed to HK$1.24 trillion (US$159 billion, a 79% increase year-over-year), and funded accounts expanded by approximately 43% year-over-year to 3.13 million. The company enjoys high user retention rates exceeding 98% and diverse revenue streams from brokerage, margin financing, and wealth management, driving consistent profitability.In the Web3 space, Futu is actively bridging traditional finance (TradFi) with cryptocurrency: compliant spot trading services launched in Hong Kong (2024) with $0 commissions on BTC, ETH, and more; partnerships for tokenized funds and real-world assets (RWAs) with entities like ChinaAMC; and access to cryptocurrency ETFs. In 2025, crypto trading activity skyrocketed, with assets increasing by 90% quarter-over-quarter and trading volumes rising by 161% quarter-over-quarter, emphasizing secure and regulated features. To sustain this growth trajectory, Futu is keen on recruiting Web3 specialists, including product managers, developers, and compliance experts, to cultivate an innovative and compliant edge in digital assets.Role OverviewThe Senior Product Manager will be pivotal in designing, optimizing, and managing the end-to-end lifecycle of exchange derivative product lines, such as perpetual futures, options, and structured products. This role requires a deep understanding of market demands, regulatory trends, and technical implementation, integrating quantitative strategies and risk management systems to develop a competitive derivatives trading platform that assists users in achieving their risk hedging, arbitrage, and leveraged trading goals.Key ResponsibilitiesLead the design of cryptocurrency derivatives (futures, options, perpetual swaps, etc.), focusing on contract specifications, funding rates, settlement mechanisms, and margin models.Collaborate with technical teams to outline product development requirements while assisting marketing and operations in crafting effective derivatives promotion strategies.(Emphasis on institutional pipelines and compliance frameworks)Develop compliant institutional supply chains for derivatives, encompassing onboarding, listing, access, and standardized APIs aligned with regulations such as CFTC and SFC VATP.Oversee business system design, including access controls, APIs, and workflows for tokenized and RWA derivatives.Incorporate innovations tailored for institutional clients in alignment with DeFi trends while maintaining compliance.Analyze competitor activities and market dynamics to devise differentiated liquidity and volume strategies.Collaborate with legal and compliance teams to facilitate multi-jurisdictional access and go-to-market strategies.

Join OKX as a Senior Data Infrastructure Product Manager, specializing in On Chain technology within the Web3 ecosystem. In this pivotal role, you will drive the development and enhancement of our data infrastructure, ensuring robust, scalable, and efficient systems that support our innovative products. Collaborate with cross-functional teams to leverage data insights, develop strategies, and enhance user experiences in the rapidly evolving world of blockchain technology.

Futu Holdings Limited (Nasdaq: FUTU), the parent company of Futu Securities and the Moomoo platform, stands at the forefront of technology-driven online brokerage services. Since its debut on Nasdaq in 2019, Futu has achieved remarkable growth, boasting a market capitalization of approximately $22.7 billion as of January 2026. With a robust compliance framework and over 100 global licenses—including SFC approval for virtual assets in Hong Kong and FINRA in the US—Futu serves over 28.2 million users across more than 200 countries and regions. The company has witnessed substantial growth, with Q3 2025 revenues soaring by 86% year-over-year to HK$6.4 billion (US$823 million), client assets reaching HK$1.24 trillion (US$159 billion, +79% YoY), and a funded account increase of approximately 43% YoY, totaling 3.13 million. High user retention rates exceeding 98% and a diversified revenue model encompassing brokerage, margin financing, and wealth management ensure consistent profitability.In the realm of Web3, Futu is pioneering efforts to connect traditional finance (TradFi) with the crypto landscape. The company launched compliant spot trading in Hong Kong in 2024, offering $0 commissions on major cryptocurrencies such as BTC and ETH. Collaborations with partners like ChinaAMC for tokenized funds and real-world assets (RWAs) are also underway, alongside providing access to crypto ETFs. The crypto sector has seen explosive growth in 2025, with assets increasing by 90% quarter-over-quarter and trading volumes rising by 161% quarter-over-quarter, all while maintaining a strong focus on secure and regulated features. To support this expansion, Futu is actively seeking Web3 talent, including product managers, developers, and compliance professionals, to cultivate an innovative and compliant edge in digital assets.Role OverviewAs a Product Manager, you will be instrumental in designing, optimizing, and managing the complete lifecycle of our exchange derivative product lines, which include perpetual futures, options, and structured products. You will possess a deep understanding of market demands, regulatory trends, and technical implementation, merging quantitative strategies and risk management systems to develop a competitive derivatives trading platform that aids users in achieving their risk hedging, arbitrage, and leveraged trading goals.Key ResponsibilitiesLead the product design for cryptocurrency derivatives (futures, options, perpetual swaps, etc.), encompassing contract specifications, funding rates, settlement mechanisms, and margin models.Collaborate with technical teams to define product development requirements and assist marketing and operations teams in crafting effective derivatives promotion strategies.(Focus: user journeys and market entry.)Conduct thorough Web3 industry and competitor analyses (including Binance, Bybit, Deribit, DeFi) and generate insightful reports.Design front-end transaction experiences (including flows, disclosures, and hedging/arbitrage features) based on research findings.Oversee the entire requirement-to-launch process for user-facing products.Formulate strategies based on user behavior, trends, and innovations in tokenized assets and RWAs.Collaborate with marketing, operations, and technical teams for go-to-market strategies and promotional efforts.

About Futu / MoomooFutu Holdings Limited (Nasdaq: FUTU), the parent company of Futu Securities and the Moomoo platform, stands at the forefront of tech-driven online brokerage services. Since its Nasdaq listing in 2019, with a market capitalization of approximately $22.7 billion (as of late January 2026), Futu has demonstrated remarkable stability and compliance, boasting over 100 global licenses, including SFC approval for virtual assets in Hong Kong and FINRA in the US. Futu caters to a vast user base of over 28.2 million across more than 200 countries and regions. The company has shown impressive growth, with Q3 2025 revenues surging 86% year-on-year to HK$6.4 billion (US$823 million), client assets reaching HK$1.24 trillion (US$159 billion, +79% YoY), and funded accounts increasing approximately 43% year-on-year to 3.13 million. With a user retention rate exceeding 98% and diverse revenue streams from brokerage, margin financing, and wealth management, Futu enjoys consistent profitability.In the realm of Web3, Futu is swiftly bridging traditional finance and crypto, having launched compliant spot trading in Hong Kong in 2024, which includes $0 commissions on BTC, ETH, and more. The company is also innovating with tokenized funds and real-world assets (RWAs) through strategic partnerships, such as with ChinaAMC, alongside providing access to crypto ETFs. The surge in crypto activity in 2025 was marked by a 90% quarter-on-quarter increase in assets and a 161% rise in trading volume, with a strong emphasis on secure and regulated features. To sustain this growth trajectory, Futu is actively seeking Web3 talent, including product managers, developers, and compliance professionals, to cultivate an innovative and compliant edge in the digital assets space.

Join Us as a Full-Stack Engineer!At Overmind, we are on a mission to empower developers to dive into the world of web3, creating innovative products and seizing unique career opportunities. We recognize that the transition from web2 to web3 can be challenging due to various hurdles developers face. Our goal is to simplify this journey.We offer an engaging learning platform where individuals, regardless of their coding background, can explore, earn, and advance through a variety of quests. These quests are crafted in collaboration with web3 companies actively hiring, including exciting start-ups from the Aptos ecosystem. The quests vary in complexity, duration, and topics, ensuring accessibility for everyone on their development path.The strength of Overmind comes from the collective intelligence of those who dare to participate. Discover more at overmind.xyz.

At Fun.xyz, we envision a tokenized future that empowers individuals worldwide, providing financial freedom to everyone with internet access. In order to foster a blockchain-driven global economy, the process of value exchange must be intuitive, secure, and seamless. Introducing Checkout - the leading payment solution in the web3 space. By integrating Checkout, decentralized applications (dApps) allow users to perform any on-chain action using cryptocurrency from a wallet, centralized exchange, or fiat on-ramping from a card or bank account. With access to top-tier routing and their asset portfolio at the point of sale, users become more engaged and loyal. For dApps, Checkout enhances user acquisition without the need for launching new chains or integrating various third-party providers. We created Checkout because we believe in a world where anyone, anywhere can purchase anything using any asset. If you share this vision, we would love to hear from you. About the RoleWe are seeking a skilled Product Engineer (Mid, Senior, Staff) to join our dynamic team and contribute to the evolution of crypto payments. In this role, you will design and enhance SDK software that powers Checkout across both web2 and web3 environments, collaborating across the technology stack to ensure balance between performance, reliability, and user experience. You will work closely with protocol, backend, and business teams to tackle complex challenges and build scalable tools that address the ever-changing needs of on-chain payments. Experience in cryptocurrency is a plus, but we welcome fast learners from diverse technical backgrounds.

At Fun.xyz, we envision a tokenized future that empowers individuals globally, facilitating financial freedom for all who have internet access. For a blockchain-driven global economy to thrive, value exchange must be effortless, secure, and seamless. Introducing Checkout - the premier payment solution in the web3 space. By integrating Checkout, decentralized applications (dApps) enable users to conduct any on-chain transaction utilizing cryptocurrency from a wallet, centralized exchange, or converted fiat through a card or bank account. With access to cutting-edge routing and asset management at the point of sale, users experience enhanced speed, retention, and engagement. For dApps, Checkout amplifies user acquisition potential without the need for new chains or multiple third-party integrations. We developed Checkout with a vision of a world where anyone, anywhere, can make purchases with any asset. If this vision resonates with you, we encourage you to apply. About the Role We are seeking a Backend Engineer to join our expanding team at Fun.xyz and contribute to the architecture of backend services that underpin our web3 payment infrastructure. This position is crucial for the platform's success and will influence how payments, settlements, and transaction routing are managed across various chains and payment providers. You will develop high-performance, low-latency systems that accommodate complex scenarios such as asset conversion, identity verification, transaction finality, and decentralized routing, all while ensuring fault tolerance, scalability, and compliance for a worldwide user base.

Join our dynamic team at ncs3 as a Senior Maintenance Engineer. In this pivotal role, you will oversee the maintenance and reliability of our engineering systems, ensuring optimal performance and efficiency. You will be responsible for troubleshooting, planning, and executing maintenance strategies that align with our operational goals.

Join our dynamic team at AECOM as a Senior Mechanical Engineer, where you will play a critical role in designing, developing, and implementing innovative mechanical systems. Your expertise will contribute to the success of various projects, ensuring quality and efficiency throughout the engineering process. You will collaborate with multidisciplinary teams, manage project timelines, and apply your technical skills to solve complex engineering challenges.

Join our dynamic team at Veolia Environnement S.A. as a Senior Operations Engineer, where you will play a critical role in enhancing operational efficiency and driving innovative solutions. You will be responsible for overseeing complex engineering projects, ensuring compliance with regulations, and collaborating with cross-functional teams to optimize performance.

At OKX, we are on a mission to redefine the future of cryptocurrency by making it accessible to everyone. We are looking for a talented Senior Product Designer to lead the design of our Web3 Wallet products. In this role, you will be responsible for crafting exceptional user experiences, owning transaction workflows, and optimizing data displays. Join our innovative team and contribute to shaping the future of decentralized finance!

Join our dynamic team at AECOM as a Senior Geotechnical Engineer. In this pivotal role, you will leverage your expertise to lead geotechnical projects, ensuring engineering solutions meet the highest standards of quality and safety. As a key member of our engineering team, you will collaborate with multidisciplinary teams to deliver innovative designs and solutions that meet client expectations.

Join AECOM as a Senior Electrical Engineer and be a part of a global team that is committed to delivering innovative engineering solutions. You will play a pivotal role in designing and implementing electrical systems for a variety of projects, ensuring they meet client specifications and regulatory standards.Your responsibilities will include collaborating with multidisciplinary teams, managing project timelines, and overseeing the technical aspects of electrical design. If you are passionate about advancing your career in a leading engineering firm and thrive in a dynamic environment, we want to hear from you!

Role overview CoreWeave is hiring a Senior Production Engineer in Singapore. This role focuses on improving and maintaining production systems that support the company's operations. Collaboration with teams across the organization is central to the work. What you will do Optimize and support production systems to keep operations running smoothly Work with colleagues from different functions to address challenges and deliver improvements Identify and implement solutions that boost system performance and reliability