Business Strategy & Analysis Director
Who We Are
Oandbox is a forward-thinking company that harnesses the power of technology for innovative solutions. Since 2017, we have established ourselves as a prominent player in the global cryptocurrency exchange market. By leveraging blockchain technology, we offer a wide range of cutting-edge products and tools that redefine the financial landscape. With a user base exceeding 20 million across 180 regions, Oandbox is dedicated to providing a dynamic platform that empowers individuals to discover the world of crypto. Alongside our top-tier exchange services, we also operate OKX Insights, a research division that stays at the forefront of cryptocurrency trends. With a diverse portfolio of crypto services and a steadfast commitment to innovation, our vision is to create a financial world backed by blockchain and decentralized finance.
Our emphasis on nurturing talent is as strong as our focus on technology. We cultivate a collaborative culture where teamwork, adaptability, and ethical practices are celebrated. Our priority is to cultivate a welcoming, enriching, and diverse workplace where every team member is valued, respected, and provided with equal opportunities for growth and success.
Responsibilities:
Design and implement business strategies for core departments, ensuring alignment with business objectives and constant refinement to drive growth.
Conduct data analysis to evaluate the impact of various strategies, operational decisions, and resource allocations on business growth, providing actionable insights and optimization recommendations.
Collaborate effectively with business, product, and analysis teams to address challenges and achieve objectives in a time-bound manner.
Interact independently with product teams to drive continuous improvements based on evolving business needs, combining strong business acumen with product insights.
Qualifications:
Minimum bachelor’s degree, preferably in statistics, engineering, business, or related fields, with fluency in both Chinese and English.
Over 3 years of experience in data analysis, market analysis, or business analysis, with proficiency in tools such as Excel and SQL. Experience with ChatGPT is a plus.
Excellent communication and leadership skills, self-motivated with a problem-solving mindset and ideally a background in product development.
Strong desire and capacity for ongoing learning, with a passion for exploration and innovation.
Benefits:
Competitive compensation package
Learning and development programs with an education subsidy
Team building activities and company events
Health and wellness allowances
Comprehensive healthcare coverage for employees and their dependents
Exciting additional perks to be revealed during the recruitment process.
Senior Blockchain Engineer
Protocol Core: Development and optimization of L2-settlement logic on Solidity/Yul.
Bridge Security: Designing secure cross-chain gateways with protection against double spending and reorgs.
Node Infrastructure: Optimizing the interaction of node validators with the EVM stack.
Gas Engineering: Extreme cost reduction for publishing data in L1 (Deneb/Cancun-ready).
Requirements:
Deep knowledge of Solidity (0.8.20+) and Assembly (Yul).
Experience working with Foundry (Fuzzing/Invariants) and understanding the architecture of OP Stack or Arbitrum Orbit.
Skills of working with indexers (The Graph/Envio) and the RPC layer.
Social media manager
Senior Blockchain Engineer
DApp & Smart Contract Developer (Vesting Platform)
This role is ideal for someone who thrives in fast-moving environments, values clean and secure code, and understands the nuances of blockchain-based application architecture.
Responsibilities
Diagnose and resolve issues in vesting smart contracts and their front-end integrations.
Implement new features and system enhancements to improve UX and overall platform performance.
Maintain smooth interaction between the web interface and deployed smart contracts.
Conduct testing, audits, and deployments across testnet and mainnet environments.
Optimize contract logic for performance, security, and gas efficiency.
Collaborate with our engineering team to identify pain points and deliver stable, secure solutions.
Requirements
Proven experience building full-stack decentralized applications.
Strong proficiency in Solidity, JavaScript/TypeScript, and modern frameworks (Angular, React, or Vue).
Hands-on experience with Hardhat or Foundry for smart contract development and testing.
Familiarity with Ethers.js or Web3.js for blockchain interaction layers.
Solid understanding of Ethereum, Polygon, or other EVM-compatible chains.
Experience integrating wallets such as MetaMask and managing on-chain/off-chain data flows.
Strong debugging skills, attention to detail, and a security-first mindset.
Nice to Have
Experience with smart contract security audits and gas optimization techniques.
Knowledge of Node.js-based backend services or API integration layers.
Previous experience with vesting, staking, or token distribution mechanisms.
Project Scope
This role supports a short-to-mid-term initiative focused on stabilizing and enhancing an existing crypto vesting platform. High-performing developers may have opportunities for ongoing collaboration across additional blockchain and product engineering projects.
Hiring Process
Technical Assessment - Selected candidates will complete a short, clearly scoped technical exercises designed solely to evaluate coding approach and smart contract knowledge.
CTO interview - A final discussion to evaluate technical reasoning, architectural thinking, and team fit. Successful candidates may receive an offer through Contra following this conversation.
Senior Blockchain Developer - Ethereum/PulseChain - GAM3S.GG
We're looking for a Senior Blockchain Developer with strong Ethereum/PulseChain smart contract experience to work on our DeFi/GameFi platform. You'll be building and maintaining betting contracts, yield farming mechanisms, token swap systems, and Web3 frontend integrations for our decentralized application on PulseChain.
Key Responsibilities
Smart Contract Development
System Architecture & Integration
Frontend Web3 Integration
Security & Compliance
Performance & Monitoring
Required Technical Skills
Blockchain Expertise
Frontend Web3 Development
Development Tools
Integration & Tools