Backend Developer Jobs

Who We Are 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. About the Opportunity Join the team building Agentic OKDS—OKG’s design intelligence infrastructure and the operating system between human intent and AI-generated output. You will contribute across three connected capability areas: Foundations, including token architecture for color, spacing, and radius; Components, spanning OKDS core components, business components, and AI-ready architecture; and Templates + AI Tooling, covering template systems, AI transformation infrastructure, and pipeline readiness. Your primary assignment may change based on team needs, while you build the breadth to work effectively across all three. You will combine strong craft with design-engineering judgment to improve reuse, adoption, delivery speed, and implementation quality. What You’ll Be Doing Own scoped initiatives across Foundations, Components, or Templates + AI Tooling—from research and reuse validation through specification, release, adoption, and iteration—while contributing effectively across all three areas as priorities change. Develop and maintain foundation standards and token architecture for color, spacing, ra

Who We Are 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. About the Opportunity Core owns the foundational journeys that define a user's relationship with OKX: account management, identity verification, moving and securing funds, and the risk, compliance, and customer support experiences that sit alongside them. It also covers the internal enterprise tools our support agents, PMs, and operations teams rely on every day to serve customers and run the business. These are among the most consequential surfaces in the product. They determine whether users feel confident enough to trade, whether they trust us with their assets and their data, and whether the teams behind the scenes can resolve issues quickly and well. AI is central to how Core works and what Core builds. On the product side, we design AI-powered support and assistant experiences that help millions of users get answers and resolve issues in real time. Internally, we are an AI-native team: we use AI to move faster, sharpen our thinking, and raise the quality of what we ship, and we design the AI-native tools our internal teams depend on. If you are excited to design with AI and to shape how A

Who We Are 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. About the Opportunity As OKX scale internationally and navigate an increasingly complex international tax landscape, we are looking for a Global Tax Reporting and Compliance Manager to join our lean, high-impact tax team, partnering closely with Finance, Legal and other stakeholders across the different regions. What You’ll Be Doing Manage tax compliance matters for the Group, working with broader finance team and external advisors to ensure timely and accurate filings across all jurisdictions; Monitor tax risks across the Group, maintain documentation of key tax positions, and assist in the assessment of uncertain tax positions for reporting purposes; Prepare quarterly tax provisions and monitor effective tax rate, cash tax positions, identifying drivers for material variances and potential tax risks. Lead the implementation and ongoing compliance of Pillar 2 across more than 15 jurisdictions, including deferred tax assessments and filing obligations; Monitor changes and updates in global tax legislation to identify potential tax impacts and provide corresponding tax solutions to business teams in advance, ensur

Who We Are 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. About the Opportunity A world-leading rapid-growth digital asset trading firm is looking for a systematic trader to manage quantitative trading strategies and help improve the in-house trading and risk management platform. The firm has presence in major cryptocurrency exchanges and it trades different kinds of products in the market, ranging from spot to structural products. The firm is highly tech-driven with people from top-tier investment banks, hedge funds, and tech companies. What You’ll Be Doing Make markets for delta1 instruments such as spots, swaps and futures in crypto market. Manage systematic trading strategies such as CEX/DEX arbitrage. Conduct research on alpha signals and backtesting to enhance the profitability of trading strategies. Work with developers to build and drive the continual improvement of the world-class risk management and trading tools. What We Look For In You Degree in a relevant area (Mathematics/Physics/Engineering/Computer Science/Finance) from a top university. Proven records in systematic trading including market making and other systematic trading strategies. De

Who We Are 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. About the Team The Compliance function at OKX is responsible for promoting a strong compliance culture and supporting the business in meeting its regulatory obligations and managing enterprise risk. The Product Compliance team is responsible for embedding compliance into the product lifecycle and supporting the compliant development, launch and ongoing operation of OKX products and features globally across all markets in which our products and services are offered. We work closely with Product, Engineering, Legal, Risk, Central Compliance and local Compliance teams to identify regulatory and compliance requirements, assess product risks and develop practical solutions that support responsible commercial growth. About the Opportunity We are seeking an experienced, hands-on and commercially minded Senior Compliance Manager to join our Product Compliance team. This is a senior individual-contributor role focused primarily on the day-to-day review of new products, material product changes and existing product enhancements. The emphasis is on delivering timely, well-reasoned product compliance assessments using

About Anyscale: At Anyscale , we're on a mission to democratize distributed computing and make it accessible to software developers of all skill levels. We’re commercializing Ray , a popular open-source project that's creating an ecosystem of libraries for scalable machine learning. Companies like OpenAI , Uber , Spotify , Instacart , Cruise , and many more, have Ray in their tech stacks to accelerate the progress of AI applications out into the real world. With Anyscale, we’re building the best place to run Ray, so that any developer or data scientist can scale an ML application from their laptop to the cluster without needing to be a distributed systems expert. Proud to be backed by Andreessen Horowitz, NEA, and Addition with $250+ million raised to date. About Ray Data Team: Ray Data is a Python-native data processing engine and a one-stop shop for all AI data processing needs. Ray Data provides performant, first-class integration with cutting-edge AI frameworks using both multimodal and structured data. The Ray Data team develops and maintains Ray Data , building the underlying distributed data processing infrastructure that powers modern AI workloads. We are a team of engineers passionate about solving challenging problems in distributed systems, data processing, and performance at scale. We are looking for exceptional engineers to build, optimize, and scale Ray Data for increasingly complex AI workloads, including multimodal data processing and large-scale batch inference. Learn more about how Ray Data enables scalable multimodal AI workloads in Architecting Multimodal Data Pipelines That Scale with Ray . As part of this role, you will: Design, build, and improve the core systems that power Ray Data , with a focus on performance, scalability, and reliability. Design and optimize distributed execution across different stages of data pipelines in heterogeneous environments. Build data loading and processing solutions for production training and inference workloa

Who We Are 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. What You’ll Be Doing Responsible for the daily operation and maintenance of company laptops, with macOS as the primary focus, as well as Windows computers, mobile devices (iOS and Android), IP phones, and other desktop IT equipment. This includes device imaging and setup, software and hardware installation, configuration, updates, maintenance, troubleshooting, and issue resolution. Maintain office IT systems, including IP phones, video conferencing and wireless presentation systems, printers, CCTV, and access control. Support server room operations, structured cabling, UPS systems, switches, access points, and routine inspections. Monitor infrastructure availability and performance through dashboards and alerts. Basic knowledge of servers, networking, audio-visual systems, and electrical principles is required. Perform daily monitoring and testing of office Wi-Fi, wired networks, and VPN connections, and troubleshoot network-related issues Work with teams to identify valuable AI and automation opportunities, deliver end-to-end solutions, and drive adoption through demonstrations, training, and hands-on sup

Who We Are 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. About the Opportunity The Asset Team is responsible for delivering transparent and reliable asset management experiences across crypto fund movements, portfolio visibility, transaction history and tax reporting. This role will establish a scalable product framework that supports tax reports and statements for users across different jurisdictions, based on applicable regulatory requirements and customer jurisdiction, address and tax-residency information. What You’ll Be Doing Define the long-term vision, strategy and roadmap for customer tax reporting, client statements and transaction history. Establish a scalable global tax reporting platform and expansion framework, enabling new markets and reporting requirements to be supported efficiently. Partner with Tax, Legal and Compliance teams to assess regulatory developments, determine product impact and prioritize regional initiatives based on regulatory risk, customer needs and business strategy. Own the development of the Tax Center, including tax documents, reporting status, transaction。 Lead integrations and product strategy for tax and reporting provider

Who We Are 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. About the Opportunity About the Liquidity Platform The Liquidity Platform provides technology covering the full lifecycle of cryptocurrency trading, including venue connectivity, real-time market data processing, automated quoting and trading, order execution, position management, risk controls, and data analytics. The platform connects to centralized exchanges, decentralized venues, and event contract markets worldwide. It supports spot, derivatives, and event contract products and provides stable, efficient infrastructure for our liquidity business. About the Options Market Making Team The Options Market Making team develops and operates automated options quoting and trading systems. Our responsibilities span market data integration, options pricing, volatility and Greeks calculations, automated quoting, order execution, position management, hedging, and risk controls. The team owns the complete trading lifecycle and continues to advance both the multilingual development of our trading systems and our AI-native engineering practices. In this role, you will contribute across the trading system, dev

Who We Are 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. About the role OKX runs a large peer-to-peer (P2P) crypto marketplace: an escrow-protected orderbook where users buy and sell crypto for local fiat through verified liquidity providers, with support for a wide range of local payment methods. The professional liquidity providers who post offers are what keep the marketplace deep and reliable. You will own the relationship with these key liquidity providers in various markets: supporting partners' operational needs, maintaining marketplace depth and reliability, and improving partner experience. This is a builder's seat: high ownership, frontline, and fast-moving. What you'll do Own the P2P liquidity provider programme: monitor marketplace depth and coverage, and improve partner satisfaction and retention Manage the liquidity-provider programme, tiering frameworks, account management and retention strategies. Lead the growth strategy and retention funnel with data: build and read funnels, produce recurring analysis, and turn it into decisions. Contribute to user quality and marketplace health, partnering with the user risk team on high-risk user pr

Who We Are 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. About the Opportunity We are looking for a dedicated and proactive Business Development Manager for Hungary to join our team. As a Business Development Manager, you will play a key role in expanding our network of Key Opinion Leaders (KOLs) and affiliates in Czechia & Slovakia. This role is responsible for those partnerships from a to z. What You'll Be Doing Expert Knowledge: Demonstrate extensive knowledge of the trading and crypto industries, including market trends, regulations, and key players, to make informed business decisions. Affiliate Recruitment: Proactively search for and attract new affiliates, VIP traders and trading/crypto communities and influencers, fostering strategic partnerships to enhance our network. Results-Driven Approach: Implement strategies and campaigns to drive measurable results, focusing on creating content, increasing trading volume, acquiring new users, and promoting active transactions through affiliate channels. Relationship Building: Cultivate and maintain strong business relationships with VIP and affiliates, ensuring their needs are met and aligning the

Who We Are 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. About the Opportunity The Compliance function at OKX is responsible for the overall compliance culture at the company. We’re a team of risk-minded problem solvers who advise the business on the company’s regulatory obligations and enterprise risk. In this role, you will own OKX's Global Customer Complaints Program and report directly to the Compliance Chief of Staff. You will work closely with Local Compliance, Legal, Customer Support, Product, Operations, and Risk teams to promote consistent complaint handling across jurisdictions, maintain alignment with regulatory requirements, and provide effective second-line oversight and challenge. A key part of the role will be turning customer complaints into actionable compliance and conduct-risk intelligence. You will oversee complaints governance and quality assurance, identify trends and potential systemic issues, support root-cause analysis and remediation, and provide senior leadership with clear reporting on customer outcomes and emerging risks. You will also support the development, coordination, and tracking of responses to regulators, working directly with Legal

Who We Are 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. About the Opportunity The Asset Team strives to deliver a top-tier asset management experience to users in OKX. With a focus on user satisfaction, the team is responsible for key functionalities of crypto funding movement, portfolio management & asset transparency. By continuously refining and enhancing these core aspects, the Asset Team aims to provide customers with an exceptional user experience, empowering them to effectively manage their crypto assets with ease and confidence. What You’ll Be Doing Own the end-to-end product design and evolution of on-chain fund movement, allocation, and settlement capabilities. Define clear fund movement logic and controls to ensure fund security, traceability, auditability, and alignment with applicable regulatory and operational requirements. Own the infrastructure for on-chain deposits and withdrawals, with a focus on end-to-end stability and scalability. Support the integration of cross-functional modules, including Risk and Compliance controls, while ensuring the overall deposit and withdrawal flow remains reliable and seamless. Build operational tools, monit

Who We Are 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. About the Opportunity We are looking for a Product Designer to create intuitive, high-quality experiences for users discovering market opportunities, analysing assets, and trading across Web3 products. You will work closely with Product, Engineering, Content, and other design teams to solve complex problems in a fast-moving environment. Crypto experience is a plus, but strong design thinking, product judgment, and the ability to learn quickly are more important. Depending on team needs and your interests, your work may focus on: OKX Wallet — shaping a leading self-custody wallet experience and making asset management, dApp discovery, swaps, and cross-chain interactions seamless, intuitive, and trustworthy. OKX.AI — exploring the frontier of AI and Web3 by building an onchain Agent marketplace where Agents can discover work, collaborate, transact, and build reputation, with the ambition of enabling one person and one Agent to build a million-dollar company. X Layer — growing OKX’s Layer 2 ecosystem by designing DeFi products and new onchain experiences that attract users, builders, and liquidity. DEX M

Who We Are 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. About the team As a key digital asset hub, Singapore is an integral part of our global strategy. Licensed by MAS, OKX SG is focused on providing Singapore users with a secure and user-friendly platform for trading digital assets. Our mission is to become the leading exchange in Singapore, offering seamless and efficient trading experiences to our clients and partners. The Controls and Governance function at OKX SG works across business, product, legal, risk, and compliance to ensure our operations remain safe, resilient, and compliant with Singapore’s regulatory expectations. We embed operational and conduct risk management practices, strengthen internal controls, and act as business partners to help functions make informed, risk-aware decisions. About the Opportunity We are seeking a Controls & Governance Manager to support the continued development of our business controls, conduct risk, and governance framework in Singapore. Reporting to the Controls & Governance Lead, you will play a key role in strengthening controls across client-facing and commercial activities, including sales practic