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 We are seeking a highly motivated Technology and Security Risk Manager within the Second Line of Defence (2LOD). You will be responsible for continuously refining and scaling the Technology and Security oversight program, guiding first-line of defence (1LOD) execution, and providing independent risk challenge. You will be a key member of OKX's Risk team, helping to shape and scale the firm’s 2LOD Security & Data Risk programs. You’ll work closely with stakeholders including Engineering, Product, Risk, Compliance and Internal Audit. You will play a key role in developing and implementing a comprehensive Technology and Security Risk Management program. This includes 2LOD oversight of technology defects, issues, and incidents, Risk and Control Self-Assessments (RCSA), key risk indicators (KRIs) and reporting. The ideal candidate has a strong understanding of Technology Risk (including Technology Resilience, Change Management, SDLC, CI/CD pipeline, and software quality assurance) and Cybersecurity (covering internal and external threat vectors, control weaknesses, and organisational cyber h

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 seeking a highly motivated Technology and Security Risk Manager within the Second Line of Defence (2LOD). You will be responsible for continuously refining and scaling the Technology and Security oversight program, guiding first-line of defence (1LOD) execution, and providing independent risk challenge. You will be a key member of OKX's Risk team, helping to shape and scale the firm’s 2LOD Security & Data Risk programs. You’ll work closely with stakeholders including Engineering, Product, Risk, Compliance and Internal Audit. You will play a key role in developing and implementing a comprehensive Technology and Security Risk Management program. This includes 2LOD oversight of technology defects, issues, and incidents, Risk and Control Self-Assessments (RCSA), key risk indicators (KRIs) and reporting. The ideal candidate has a strong understanding of Technology Risk (including Technology Resilience, Change Management, SDLC, CI/CD pipeline, and software quality assurance) and Cybersecurity (covering internal and external threat vectors, control weaknesses, and organisational cyber h

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. About the Opportunity The senior role focused on optimizing and growing our Simple Trading products in Europe. Act as the product expert for European retail customers and local markets. Identify local customer needs, market differences, and growth opportunities, then translate them into simple and effective product improvements. The role focuses on mainstream retail customers rather than advanced trading or derivatives. Success will be measured by local product adoption, conversion, repeat investment, retention, and sustainable growth. What You’ll Be Doing European Product Optimization Own product optimization for Simple Trading across key European markets. With the convergence of retail crypto into next-gen banking products, the ideal candidate will have experience in identifing local customer needs and product gaps across onboarding, fiat funding, first purchase, buy, sell, swap, portfolio management, savings/ investments and spending, withdrawals. Adapt product journeys to local payment methods, customer behaviours, market practices, and regulatory requirements. Improve existing products through customer feedback, funnel analysis, experimentation, and market-level performance data. Simple Trading Experience Simplify complex crypto concepts for first-time and low-freq

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 building a scalable financial operations platform to support the accurate movement, recording, reconciliation and reporting of fiat and digital assets. The Head of Financial Operations Platform will define and deliver the architecture that connects our trading, payment, banking, custody, blockchain, wallet and finance systems. This is a senior, hands-on platform leadership role. The successful candidate will establish trusted books and records, automate settlement and reconciliation, create effective exception workflows and give Operations and Finance the tools required to maintain accurate client and corporate asset records on a daily and, where feasible, near-real-time basis. The role owns platform capability and delivery. Client Asset Operations and Finance retain responsibility for executing, reviewing and signing off the underlying operational and accounting controls. What You Will Own Product strategy and multi-year roadmap for the financial operations platform. The canonical transaction and financial-event model across fiat and digital assets. Client and corporate asset

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 Liquidity Platform provides cutting-edge technology that covers all aspects of crypto trading. We build low-latency connectivity to global crypto venues, including both Cefi and Defi venues, strategy services for automated pricing and trading bots, high-frequency data capturing and analysis, and state-of-art micro frontend for trading management. On top of all these infrastructures, we build highly customized strategies to facilitate crypto liquidities. If you are a strong technologist who is excited about the potentials of crypto trading, interested in fully-automated algo bots, we should talk. We are looking for a Java Software Engineer for Liquidity Platform Structured Product Engineering Team. During your tenure with us, you will be working closely with a liquidity manager for strategy development using an in-house build strategy toolkit. You will demonstrate and develop professional capabilities in the following areas: managing inventory & risk of applications, strategic thinking and problem solving, collaborating with product managers, engineers and liquidity managers

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 This role is responsible for overseeing the day-to-day performance and operations of the Customer Service team, ensuring customers consistently receive a high-quality and efficient service. You’ll monitor key performance indicators such as customer satisfaction, productivity, response times and service quality, using these insights to identify trends and drive improvements. You’ll also play an important role in coaching and developing customer service agents, managing workforce schedules, supporting recruitment and partnering with teams such as Learning & Development and other key stakeholders to improve processes and address operational challenges. This is a hands-on leadership role suited to someone who enjoys developing people, solving problems and continuously improving the customer experience. What You’ll Be Doing Overseeing Customer Service Operations, including monitoring and reporting metrics such as customer satisfaction score, productivity, response speed, and any metric that affects the service quality. Ensure good quality of services and strict adherence to processes. Work cr

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. About the Opportunity We are looking for a Senior or Lead Product Manager to lead the strategy, development, and continuous improvement of our professional trading tools and end-to-end trading experience. This role is focused on products for active and professional traders. The scope includes advanced market analysis, trading workflows, order execution, position and risk management, workspace customisation, and selected automation capabilities. You will develop a deep understanding of how professional traders use leading platforms such as TradingView, 3Commas, Bookmap, ATAS, and Quantower, and translate those insights into a differentiated, reliable, and intuitive trading experience. Experience in the crypto industry is a strong plus. We welcome candidates who have built professional trading products for equities, futures, options, FX, commodities, or other electronic markets. Experience with crypto markets and products is a strong advantage. What You’ll Be Doing Own the product vision, strategy, roadmap, and delivery of professional trading tools and the broader trading experience. Build a deep understanding of active and professional traders, including their daily workflows, trading behaviours, pain points, and expectations. Lead the development and improvement

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 Onchain Data Team The Onchain Data team builds the core data and technology infrastructure behind OKX Web3. We connect to diverse blockchain networks and collect, process, govern, interpret, and serve large-scale onchain data, delivering accurate, real-time, and reliable capabilities to Wallet, DEX, Explorer, Risk, CeFi, and AI products. Our scope includes, but is not limited to: Multi-chain data ingestion, parsing, computation, and unified data models; Data capabilities for onchain assets, transactions, addresses, tokens, contracts, and projects; Blockchain explorers, the Project Marketplace, Onchain Data APIs, bots, and agents; Labels, risk detection, risk-control data, and security investigation capabilities; DEX trending rankings, token scoring, and other onchain data products; Global multi-region deployment, high-availability architecture, performance optimization, and system reliability; Deep application of AI in engineering, data analysis, risk investigation, and intelligent operations. You will work on challenges involving heterogeneous chains, large-scale data, real-time computation, high concu

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 Operations Team ensures the smooth, secure, and efficient functioning of our liquidity management business. With deep understanding in business processes, account structures, and fund flows, the team oversees trade capture, static data setup, position & cash reconciliations. They resolve exceptions by identifying root causes, enhance workflows through automation and SOP improvements, and ensure compliance with regulatory reporting. This team is critical to maintaining operational excellence and supporting the success of our liquidity management business. What You’ll Be Doing As a Senior Operations Manager, you will collaborate closely with liquidity managers, technical leads, and business analysts to design and implement efficient operational workflows. Your responsibilities will include: Operational Process Design: Develop and maintain daily Standard Operating Procedures (SOPs) to ensure the continuity and integrity of business operations. Fund Operations: Manage fund transfers, operational fees, and follow up on fault transfers to ensure accuracy and timelines

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. What You’ll Be Doing Lead a team of Legal Response agents day-to-day: assign and triage incoming law enforcement requests, monitor SLA and quality performance, and step in on complex or time-sensitive cases. Coach and develop team members, conduct regular 1:1s, and flag performance or capacity issues to your Manager. Act as first-line escalation point for law enforcement requests and internal stakeholder queries (Legal, Compliance, Risk, Customer Service ), resolving what you can and escalating what you can't with clear context. Maintain and enforce SOPs for handling law enforcement and regulatory requests; surface process gaps or inefficiencies to your Manager with a recommended fix. Own team-level metrics and reporting: SLA adherence, backlog aging, error rate, and volume trends — using the team's data and reporting tools directly. Serve as subject matter expert on law enforcement request handling for your team and adjacent functions. Maintain working knowledge of company products sufficient to communicate credibly with external stakeholders (law enforcement, legal representatives). Support your Manager on process improvements, projects, and cross-team initiatives as needed. Day-to-Day Responsibilities Ensuring daily operations run smoothly; escalate inci

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 OKX Data Team is responsible for the whole data scope of OKG, from techincal selection, architecture design, data ingestion, data storage, ETL, data visualization to business intelligence and data science. We are data engineers, data analysts and data scientists. The team has end-to-end ownership of most of the data at OKx throughout the whole data lifecycle including data ingestion, data ETL, data warehouse and data services. As a Product Manager of the team, you will work with the team to leverage data technologies to empower evidence-based decision-making and improve the quality of the company's products and services. What You’ll Be Doing Deeply understand business goals and pain points : Work closely with business teams to understand their day-to-day data needs, identify core metric frameworks and key insight opportunities, and proactively propose data-driven solutions. End-to-end data solution design : Translate business requirements into data requirements, owning the full lifecycle from event tracking design, data modeling, and metric definition to dashboard

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 talented and driven product manager to join our Listing Product team . This is a high-impact, cross-functional role responsible for driving the roadmap, execution, and strategy of token listings in regulated markets (e.g., US, Europe). You’ll be benchmarking against industry leaders, helping us build the most robust, compliant, and scalable token listing pipeline in the industry. What You’ll Be Doing Develop and execute listing and product strategy in regulated markets as a core product offering to our users and drive growth. Collaborate with key stakeholders to develop scale and efficient listing frameworks aligned with evolving regulatory requirements in jurisdictions such as the US, EU and other key markets. Partner with business development, listing operations, and trading product teams to discover high-quality assets and to ensure seamless onboarding. Leverage data and market insights to refine listing strategies over token prioritization, eligibility scoring, and risk controls Collaborate with marketing and growth teams to amplify new listings and drive adoption ac

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 Global Legal team provides legal advice and guidance to OKX and its affiliated entities across all coverage areas and geographic locations, and supports business growth by working with all teams within the company to help them achieve their goals. Our team has attorneys around the world, and handles legal matters in literally hundreds of countries across the globe. The Strategic Partnerships and Institutions legal team is looking to add a commercially savvy senior lawyer as Deputy General Counsel to our practice group with a primary focus on covering strategic partnerships. You will play a key role in our Global Legal team, actively supporting our global institutional and trading businesses, as well as our Peer-to-Peer (P2P) platform. OKX's strategic partnerships business is one of the fastest-growing segments of our global platform, forging commercial partnerships that align with OKX strategic priorities. As Deputy General Counsel, Strategic Partnerships and Institutions, you will serve as legal advisor for one of OKX’s most strategically important business lines: our strategic partnership ec

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 the HRBP Expert/Senior HR Manager, you will translate business objectives into impactful people strategies. You will be instrumental in enhancing organizational effectiveness, leading through transformational organizational changes, and developing the next generation of leaders, all within a dynamic, international context that values your strategic insight. What You’ll Be Doing Strategic Partnership & Business Alignment Serve as a strategic advisor to functional senior leaders, developing and implementing people plans that directly enable business goals and drive organizational health. Build deep business acumen to diagnose needs and co-create solutions with leaders, acting as a strategic conduit between the business and HR team. Talent & Leadership Development Partner with senior leaders on the full spectrum of talent management: from performance enablement and succession planning to organizational design and team effectiveness. Lead and facilitate talent calibration, succession planning, and leadership development initiatives to build a robust and diverse leadership pipeline. Data-Inf

About Sentry Software runs the world and the pace is faster than ever. Sentry helps developers fix errors and performance issues before users notice, so teams can spend less time firefighting and more time building. Trusted by 200,000+ organizations, Sentry is today’s application monitoring standard and our team is building its AI-native future. About the role Sentry already sees the moment software breaks: the error, the trace, the replay, the commit that caused it. Seer, our AI debugger, uses all of that to figure out what went wrong and how to fix it. We're looking for a Staff engineer to help decide how that system should evolve as models improve every few months. Some of what we build today will be obsolete by next spring. Part of the job is knowing which parts, and building the rest to last. In this role you will Build state-of-the-art agentic AI systems to triage, debug, and solve real production issues Set technical direction for how our agents get context, use tools, and decide when they're done Build the evals that tell us whether a new model or prompt actually helped, fast enough that people use them Decide when to use a frontier model, a smaller one, or one we trained, and revisit that as cost and capability shift Leverage Sentry’s novel (and massive) dataset of errors, spans, and profiles Own major AI initiatives end to end, alongside the developers and product teams shipping them Run what you ship in production and debug it with Sentry You'll love this job if you Are driven by impact and enjoy working on high-stakes, high-visibility projects Enjoy building things. You will have the opportunity to join the AI/ML team as one of its foundational members Thrive in cross-functional teams and enjoy building features alongside developers and product teams Qualifications You've shipped an LLM-backed system people depended on, and can tell us what broke You have strong opinions on agent design and have changed at least one in the last year You've trained or fin