Quant Developer - Liquidity3
Who We Are
At OKX, we envision a future shaped by technology. Established in 2017, we are transforming global systems through our advanced digital asset exchange, Web3 platform, and blockchain ecosystems. By offering a wide range of innovative products, solutions, and trading tools, we are revolutionizing the financial landscape. Trusted by over 50 million users across 180 countries, OKX enables individuals to explore the world of Web3. With a focus on innovation and a dedication to inclusivity, OKX is committed to providing financial access through blockchain and decentralized finance.
As a global company with over 3,000 employees, we embrace diversity and social responsibility, encouraging active participation in public welfare initiatives. Join us in shaping the future and building a better world!
About the Opportunity
Join our software engineering team tasked with developing trading systems for options market making. This role focuses on agile software development to enhance our trading systems and peripheral services supporting market making.
What You’ll Be Doing
Enhancing and maintaining Java-based trading systems to facilitate market making on the exchange
Specialized in low latency and zero GC computing
Responsible for designing and maintaining derivative pricing and risk control systems, as well as automated trading systems
Collaborating with Product and Exchange teams for system upgrades and expansion
Building expertise in financial knowledge and quantitative skills as applicable to both traditional and crypto trading industries
What We Look For In You
Proficiency in Microservice/API development using Java/SpringBoot
Knowledge of multi-threading and low latency APIs
Familiarity with common middlewares
Experience with relational/nosql databases
Comfort working in a cloud-based Linux shell environment
Strong commitment to delivering high-performance, scalable, and user-friendly products
Nice to Haves
Familiarity with low-level programming such as socket programming
Experience with other languages like Python, JavaScript, C++, or Rust
Understanding of service/library API designs
Background in banking sectors, particularly front office roles
Knowledge or experience in quantitative finance methodologies
Perks & Benefits
Competitive compensation package
Learning and development programs, Education subsidy for personal growth
Team-building activities, company events
Wellness and meal allowances
Comprehensive healthcare coverage for employees and dependents
More benefits to be shared during the hiring process!
طراحی ساخت ایمیل
Key Responsibilities:
- Designing and developing creative and engaging email campaigns
- Collaborating with marketing team to create effective email messaging
- Coding responsive HTML emails
- Testing and troubleshooting email campaigns across various platforms and devices
- Analyzing email performance metrics and optimizing for better results
Required Skills:
- Proficiency in web, mobile, and software development
- Strong experience in designing and coding HTML emails
- Knowledge of email marketing best practices
- Familiarity with responsive design principles
- Ability to work independently and as part of a team
- Excellent communication and collaboration skills
Mobile Developer
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
AI/ML Engineer
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.
Smart Contract & Web3 Developer
We are looking for an experienced Smart Contract & Web3 Developer to join our team. This role is central to the design, development, and deployment of secure and scalable blockchain-based solutions. You will work closely with frontend and backend developers, designers, and product managers to integrate smart contracts into a seamless and immersive user experience for real estate investment and trading.
Responsibilities :
Design, develop, and deploy secure smart contracts on Ethereum or compatible EVM chains (e.g., Polygon).
Build and test tokenization logic for real estate assets using NFTs and ERC standards (e.g., ERC-721, ERC-1155).
Integrate Web3.js/Ethers.js with the frontend (React) and backend services.
Collaborate with designers and frontend developers to enable blockchain-powered UX flows (e.g., wallet login, transactions).
Implement features such as fractional ownership, DAO voting, and rental agreements.
Write unit tests and perform contract audits to ensure security and efficiency.
Manage smart contract deployments and monitor their on-chain performance.
Stay updated on Web3 trends, L2 solutions, and relevant protocols that can enhance the platform.
Requirements :
3-5 years of experience in smart contract development and blockchain technology.
Strong knowledge of Solidity and smart contract best practices.
Familiarity with Ethereum, Polygon, or other EVM-compatible chains.
Experience with Web3 libraries (Web3.js, Ethers.js) and frontend integration.
Basic understanding of frontend development using React and TypeScript.
Experience deploying contracts using tools like Hardhat or Foundry.
Understanding of decentralized storage solutions like IPFS.
Comfort with using blockchain APIs (Alchemy, Infura) and node management.
Good communication skills and ability to collaborate in a cross-functional team.
Engineering Manager
We are looking for an Engineering Manager to lead our distributed engineering team. In this role, you will guide a cross-functional team of developers (frontend, backend, Web3, AI/ML, mobile, QA), ensuring technical excellence, timely delivery, and alignment with product goals. The Engineering Manager will serve as both a technical leader and a people manager, fostering innovation and accountability across the team
Responsibilities :
Lead and manage a team of software engineers (frontend, backend, Web3, AI/ML, mobile, QA)
Define and maintain engineering best practices, coding standards, and architecture guidelines
Collaborate with Product Managers and Project Managers to plan and prioritize sprints
Drive the execution of technical projects from design through delivery
Conduct code reviews, mentoring, and skill development for engineers
Ensure scalable, secure, and high-performance systems across the stack
Oversee DevOps practices, CI/CD, and cloud deployments (AWS, Docker, Terraform)
Coordinate with Web3 developers for smart contract integration and audits
Monitor and improve system reliability, performance, and security
Manage hiring, onboarding, and performance evaluations of engineering team members
Requirements :
5+ years of experience as a Software Engineer / Full Stack Developer
2+ years of proven leadership experience as an Engineering Manager / Tech Lead
Strong technical background in React, Node.js, Python/FastAPI, Web3 (Solidity/Ethers.js)
Familiarity with cloud infrastructure (AWS, Docker, Terraform)
Experience with Agile/Scrum methodologies and sprint planning
Excellent problem-solving, communication, and organizational skills
Ability to manage a remote, distributed engineering team effectively
Basic understanding of front-end development (React/JS) is required