Senior / Staff Engineer, DEX Trading System
Who We Are
About the Opportunity
What You'll Be Doing
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Design and develop backend services for quote aggregation, order management, transaction orchestration, and execution tracking.
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Build reliable integrations with DEX protocols, liquidity sources, blockchain RPC providers, and indexing services. Define clear order and transaction state models, with robust handling of retries, duplicate requests, partial failures, and recovery.
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Ensure trading services remain reliable under high concurrency, traffic spikes, and degraded external dependencies.
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Implement appropriate rate limiting, concurrency controls, resource isolation, and graceful degradation.
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Optimize database access, transaction boundaries, caching, and asynchronous processing. Establish monitoring, alerting, load testing, and incident-response practices for critical trading flows.
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Support trading workflows across multiple blockchain ecosystems. Handle transaction submission, confirmation tracking, failed or dropped transactions, and chain reorganizations.
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Build data synchronization and reconciliation mechanisms to maintain consistency between backend records and on-chain execution.
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Translate product requirements into practical technical designs and production-ready services.
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Own features through implementation, testing, rollout, and post-launch operation.
What We Look For In You
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5+ years of professional backend engineering experience, including ownership of production systems.
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Strong proficiency in Java and its backend ecosystem. Solid understanding of concurrency, distributed systems, relational databases, caching, and messaging systems.
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Experience building high-availability services and diagnosing performance or reliability issues in production.
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Understanding of blockchain transactions, smart contract interactions, and common DeFi trading mechanisms.
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Ability to independently drive a feature from technical design through production deployment. Strong ownership, sound engineering judgment, and effective cross-functional communication.
Perks & Benefits
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Competitive total compensation package
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L&D programs and Education subsidy for employees' growth and development
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Various team building programs and company events
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Wellness and meal allowances
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Comprehensive healthcare schemes for employees and dependants
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More that we love to tell you along the process!
About OKX
OKX is a leading global Web3 technology company and cryptocurrency exchange, dedicated to building the future of decentralized finance and digital asset ownership. With a robust presence and growing operations across Colombia, Argentina, and Mexico, we provide a secure, innovative, and user-friendly platform for millions worldwide to trade, invest, and explore the vast potential of the blockchain ecosystem. We're at the forefront of developing cutting-edge solutions, from advanced trading tools and DeFi protocols to immersive metaverse experiences and NFT marketplaces, all powered by our unwavering commitment to security and transparency. Our culture at OKX is driven by innovation, collaboration, and a passion for pushing the boundaries of what's possible in Web3. We foster an environment where bright minds are empowered to contribute to a decentralized future, thrive on challenging projects, and grow alongside pioneering technology. We value diversity of thought, encourage continuous learning, and believe in building a team that is as global and interconnected as the blockchain itself. Joining OKX means being part of a dynamic, fast-paced team that is shaping the next generation of the internet. If you're a blockchain professional eager to make a tangible impact and contribute to a truly global platform, OKX offers unparalleled opportunities. We're seeking visionary talent in LATAM to join our mission of making crypto and Web3 accessible to everyone, everywhere. Come build with us and play a pivotal role in accelerating the adoption of decentralized technologies, empowering individuals, and revolutionizing financial systems around the world.
Ready to Apply?
To submit your application for this position, please visit OKX's official website and follow their application process.