Senior Engineer - Java (Quant Platform - Data Services)

Hong Kong
Full time
Office
Compensation is not specified
Role
Data Engineer
Description

About the Company

At OKX, we believe in the transformative power of technology. Established in 2017, OKX stands out as a prominent player in the global cryptocurrency exchange arena, offering a wide range of spot and derivatives trading options through blockchain technology. With over 20 million users across 180 regions worldwide, OKX is dedicated to creating an inclusive platform that enables individuals to engage with the crypto world. Beyond its exceptional exchange services, OKX also houses OKX Insights, a research division at the forefront of cryptocurrency trends. Fueled by a commitment to innovation, OKX envisions a future where financial accessibility is supported by blockchain and decentralized finance.

Valuing our team members as much as our technological advancements, we strive to foster a collaborative and welcoming culture where teamwork, adaptability, and integrity prevail. Our goal is to cultivate a supportive and diverse environment where all are valued, respected, and empowered to grow and succeed.

About the Role

The Quant Platform at OKX offers cutting-edge technology solutions for cryptocurrency trading. Our offerings include low-latency connectivity to global crypto markets, automated pricing and trading bot strategies, high-frequency data analysis, and a cutting-edge micro frontend for trade management.

If you are a talented technologist with a passion for crypto trading and automated trading strategies, we want to connect with you.

We are currently seeking a skilled Java data specialist who is enthusiastic about conquering data processing and analysis challenges, spanning from high-frequency tick data to alternative data sources, to drive and support our data-centric trading ventures.

Responsibilities

  • Take the lead in managing a large, complex data platform focusing on high-frequency time-series data, real-time analytics, and historical data access
  • Assume ownership of projects and components across the data pipeline, including data capture, cleaning, monitoring, warehousing, analysis, and API provision
  • Utilize strong analytical and technical abilities to dissect, clean, model, and visualize extensive datasets
  • Collaborate closely with trader, quant research, and quant developer teams
  • Exercise creativity to identify technical gaps and enhance the effectiveness, coverage, and quality of our solutions

Qualifications

  • Solid STEM educational background
  • Proficiency in Java and/or Python programming
  • Extensive experience with SQL and/or NoSQL database systems
  • Familiarity with middleware technologies like Kafka, and data frameworks such as Flink, Spark, and Hive
  • Previous exposure to a POSIX environment
  • (Preferred) Background in cryptocurrency or financial products
  • (Preferred) Experience working with intraday, tick data, or order book data
  • Proficiency in on-chain data capture and analysis
  • (Preferred) Experience with data analysis tools like Pandas, R, Spark, Arrow
  • (Preferred) Knowledge of systematic or high-frequency trading practices

Benefits

  • Competitive compensation package
  • Comprehensive insurance coverage for employees and their families

Stay tuned for more benefits to be revealed throughout the recruitment process!

Skills Required
Avatar
OKX
Company size
Not specified
Location
United States
Description
Not specified

More Full-time Jobs

Show more

Senior Backend Engineer

Full time
Remote
About the Role :
We are looking for a Backend Developer to join our remote team. As a key member of the development team, you will be responsible for building and maintaining APIs, handling data management, and integrating with the blockchain and other systems. You’ll work closely with the frontend developers to ensure seamless integration between the backend and the user-facing parts of the platform.
Responsibilities :
API Development: Design, implement, and maintain RESTful APIs to interact with the front-end and blockchain components of the platform.
Database Management: Work with relational databases (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB) to store and manage user data, property metadata, transactions, and more.
Blockchain Integration: Collaborate with the Smart Contract team to integrate the backend with blockchain technologies like Ethereum and Polygon (Web3 interactions).
Security & Performance: Implement security protocols to ensure platform safety and high performance, including handling user authentication, payment systems, and personal data management.
Collaboration with Frontend: While your focus is backend, a basic understanding of React and frontend development will help you collaborate effectively with the frontend team for API consumption and integration.
Troubleshooting & Debugging: Identify and resolve performance bottlenecks and bugs, improving both the backend and the overall user experience.
Documentation: Write clear and concise documentation for APIs, database structures, and integration processes to ensure smooth team collaboration and future scalability.
Requirements :
 5+ years of backend development experience.
 Strong knowledge of Node.js and Express.js.
Experience working with PostgreSQL, MongoDB, or other databases.
Familiarity with IPFS or cloud storage solutions is a plus.
Basic knowledge of React.js and frontend development (enough to collaborate effectively with frontend team).
Experience working with Web3 technologies (Ethereum, Polygon, Web3.js, Ethers.js) is preferred but not required.
Understanding of smart contracts and decentralized applications is a plus.
Security: Strong understanding of security best practices, especially in regard to blockchain interactions and user data.
Problem-Solving: Ability to debug, optimize, and troubleshoot complex systems.
Communication: Strong written and verbal communication skills, with the ability to document processes clearly and work in a remote team environment.
 
11,000-16,000
Monthly
See details

Frontend Engineer

Full time
Remote
About the Role :
We’re looking for a Frontend Developer with a solid foundation in React and modern front-end development. You’ll play a key role in building immersive and intuitive user interfaces for property browsing, token transactions, and 3D environments.
Responsibilities :
Build and maintain responsive web interfaces using React and TypeScript
Integrate with backend APIs and Web3 services (e.g., wallet auth, smart contract interaction)
Work with 3D designers to integrate Three.js models into the user experience
Optimize UI performance for high-load and mobile experiences
Collaborate with backend, blockchain, and AI teams for seamless end-to-end experiences
Contribute to design system and component libraries
Participate in code reviews and agile sprints
Requirements :
5+ years of experience in front-end development
Proficient in React.js, JS/TS, HTML5, CSS3
Familiarity with frontend state management (e.g., Redux, Zustand, or Context API)
Comfortable working with RESTful APIs and/or GraphQL
Basic understanding of Web3 or blockchain wallet integrations (MetaMask, WalletConnect)
Experience with responsive design and cross-browser compatibility
Version control with Git
Payment in Crypto
9,000-15,000
Monthly
See details

UI/UX Designer

Full time
Remote
About the Role :
We’re looking for a talented UX/UI Designer who thrives at the intersection of design, interactivity, and front-end development. You’ll be responsible for crafting intuitive, elegant user experiences while designing 3D visualizations of real estate environments using tools like Blender and Three.js.
The ideal candidate combines strong design sensibility with technical proficiency and has basic hands-on experience with React and front-end development.
Responsibilities :
Design wireframes, mockups, and user flows for the web & mobile platform
Create immersive, interactive 3D property visualizations using Blender or similar tools
Collaborate with frontend developers to integrate 3D scenes using Three.js
Ensure a seamless user experience from Web2 UX to Web3 wallet interactions
Maintain design consistency across components, tokens, and 3D interfaces
Conduct user testing, iterate on feedback, and improve UI/UX design quality
Help optimize performance and responsiveness of 3D/visual elements
Contribute to brand visual direction and design system
Requirements :
5+ years of experience in UX/UI design, preferably for complex web & mobile applications or platforms
Proficiency in Figma, Adobe XD, or Sketch
Strong portfolio demonstrating both UX strategy and beautiful UI execution
Experience with 3D modeling tools such as Blender, Cinema4D, or similar
Basic knowledge of React and modern front-end development (HTML, CSS, JS)
Familiarity with Three.js or willingness to learn quickly
Understanding of responsive and mobile-first design
Ability to collaborate with engineers, product managers, and blockchain teams
Strong communication skills and self-motivation in a remote setting
Payment in Crypto
8,000-16,000
Monthly
See details

Mobile Developer

Full time
Remote
About the Role:
We are looking for a Mobile Developer to help build and optimize the mobile experience for the platform. You will work closely with our product, backend, and design teams to create a performant, secure, and intuitive mobile app that supports real-time 3D property viewing, blockchain interactions, and AI-powered recommendations.
Responsibilities :
Develop and maintain cross-platform mobile applications (iOS and Android)
Integrate with backend APIs and smart contracts (Web3)
Optimize app performance, responsiveness, and security
Collaborate with UI/UX designers to implement immersive and intuitive experiences
Integrate 3D content using tools like Unity, Babylon.js, or Three.js (if mobile-compatible)
Enable wallet connections (e.g., WalletConnect)
Implement features such as property listings, profiles, payments, notifications, etc.
Conduct testing and debugging across multiple devices and OS versions
Participate in code reviews and Agile sprints
Requirements :
5+ years of mobile development experience
Strong proficiency with React Native (preferred) or Flutter
Experience integrating RESTful APIs and Web3 tools (e.g., Ethers.js, WalletConnect)
Familiarity with blockchain wallets and decentralized identity concepts
Basic understanding of React and front-end development
Experience with Firebase, Push Notifications, and payment SDKs
Ability to work with 3D content or ARKit/ARCore is a plus
Experience publishing and maintaining apps in App Store and Google Play
Strong problem-solving and debugging skills
Excellent communication and collaboration in a remote team environment
Payment in Crypto
12,000-16,000
Monthly
See details

AI/ML Engineer

Full time
Remote
About the Role :
We are looking for an experienced AI/ML Engineer to join our team and drive the development of intelligent systems that enhance user personalization, property recommendations, pricing models, and more. You will work across disciplines with frontend, backend, and blockchain engineers to create and deploy real-world AI features in a decentralized ecosystem.
Responsibilities :
Build and deploy machine learning models for property recommendations, price prediction, and user engagement optimization.
Integrate LightFM, LangChain, and OpenAI/LLM frameworks.
Design AI-powered agents, chatbots, and virtual assistants.
Collaborate on feature engineering, data pipelines, and AI service APIs.
Work with frontend developers to display predictive results and recommendations in the UI.
Deploy models using AWS SageMaker or similar infrastructure.
Monitor model performance and continuously improve accuracy and efficiency.
Stay up to date with advancements in GenAI, real estate AI, and MLOps best practices.
Requirements :
5+ years of hands-on AI/ML development experience.
Strong Python skills with frameworks like NumPy, Pandas, Scikit-learn, TensorFlow, or PyTorch.
Experience with recommender systems (e.g., LightFM), NLP, or conversational AI (LangChain).
Familiar with deploying models in cloud environments (preferably AWS SageMaker).
Working knowledge of React and frontend integration basics.
Solid understanding of data preparation, model tuning, and deployment workflows.
Strong problem-solving ability and self-management skills.
Payment in Crypto
10,000-16,000
Monthly
See details