Smart Contract Engineer (Solidity)
Team Overview:
Join our close-knit team within the DeFi sector of OKX, where we focus on pioneering on-chain solutions to enhance the OKX experience for our users. We specialize in bolstering DeFi protocols, crafting inventive DeFi remedies, and identifying growth possibilities in the DeFi realm. Our ongoing projects encompass exciting innovations like lending/borrowing optimization tools and AA wallets. We are on the lookout for dynamic individuals who possess a forward-thinking and creative approach, a genuine enthusiasm for DeFi, and the capability to overcome challenges with effective resolutions. If you are passionate about DeFi and eager to exhibit your skills in a dynamic and imaginative setting, we invite you to be part of our team. Let's work together to shape a better tomorrow.
Job Duties
Plan, create, test, and refine smart contracts on platforms like Ethereum or other established blockchain networks.
Delve into thorough research on diverse DeFi protocols, finalize integration documents, and cooperate with team members to facilitate project launches.
Stay updated on emerging technologies and trends in Web3, engage in product strategizing, and support product rollouts.
Requirements
Hold a Bachelor's degree in Computer Science, Software Engineering, or a related field, or possess equivalent practical experience.
Minimum of 1 year involved in smart contract development, adept in Solidity, and familiar with contract development frameworks like Hardhat, Foundry, among others.
Possess a comprehensive understanding of blockchain technology, encompassing Ethereum, Bitcoin, Solana, and L2 networks.
Acquainted with Assembly and skilled in Gas optimization.
Excellent problem-solving skills, analytical mindset, effective communication, and teamwork proficiency.
Demonstrate a keen interest in blockchain technology and exhibit the readiness to continuously educate oneself on the latest technologies, protocols, and relevant domains.
Preferred Qualifications
Background knowledge in finance, as well as experience in designing or developing DeFi protocols.
Familiarity with contract security and insights into common blockchain attacks.
Deep exploration of diverse DeFi protocols, understanding their functionalities and economic frameworks, such as Uniswap, AAVE, Compound, Synthetix, and others.
Proficiency in English and prior experience working in decentralized projects within international teams or English-speaking environments.
Familiarity with additional contract development languages like Rust, Move, as well as scripting languages such as Python or JS.
Localization Ops & Growth Specialist - Spanish/Russian
Growth Business Development (KOL) - Korean/Arabic/Polish/Russian/Portuguese/Spanish
Community Team Members
DeepRoots is building a global movement in Web3:
From Silence to Voice — Together We Rise.
We’re hiring Community Team Members to help grow our ecosystem. If you’re looking to kickstart your Web3 career, this is your chance.
💰 Rewards & Benefits
$150 Micro-Contract (60 days, 2h/day)
Daily Rewards: Top comment, best post, most active
Voice of the Day: Recognition + bonus
Bring-a-Voice Bonus: Earn when new members join through you
Extra Prizes: For leaders who keep the fire alive
👊🏻Clear Growth Path:
Community Team Leader (part-time, higher pay)
Community Team Manager (full-time, full salary + benefits)
Moderator Roles (group management)
📌 Your Role
❤️ Engage actively: like, comment, share
🌍 Push the march forward — “From Silence to Voice”
⏰ 2h/day → 7:00–9:00 PM Dubai time
📆 6 days per week (Sunday OFF)
🧠 Bring a builder mindset (not hype / pump-dump)
✅ Requirements
Stable internet connection
Basic knowledge of Web3
LinkedIn & Twitter (X) account (or willingness to create one)
🌱 How to Apply
Send the following details to: connect@deeproots.earth
Full Name
Country
LinkedIn Account
Twitter (X) Account
Confirmation: “Ready to start and apply to sign the agreement and NDA of the project.”
🌍 Website: deeproots.earth
⚡ This is not hype. It’s a mission. It’s a movement.
✊ Be one of the 25 voices that help shape the future.
Crypto Quant Trader
As a Quant trader with FORMATNULL you execute proven strategies across Crypto Futures and Spot markets, monitor existing positions across exchanges and research, develop, and refine new cryptocurrency trading strategies. The role will straddle analyzing new trading opportunities, statistical approaches to profit calculation, trade execution, and support in reporting and KPI management.The ideal candidate would bring a deep understanding of cryptocurrency markets, technical and fundamental analysis, have multiple years’ experience trading at an institutional desk, and arrive with one or more tested strategies for rapid deployment. However, to the extent that strategies remain in the late development or testing stages, such candidates with sufficient market experience should certainly apply as well.Salary negotiable with additional perks. You will run a 5 to 7 digits USD trading account and with increasing responsibilty and negotiatable profitshare you will enjoy a comfortable income. The position is designed to be predominantly remote, with flexibility for in-person collaboration when needed.
Requirements
Extremely strong quantitative and analytical backgroundRelevant experience in statistical modeling3+ years’ industry experience developing and evaluating trading strategies in liquid marketsProficiency in major asset fundamentals and of major blockchain projects and conceptsExperience investing or trading in cryptocurrency marketsDeep understanding of derivative instrumentsUnderstanding of market-making spot and futures on centralized order booksThe following skills would be very helpful, and would help a candidate grow the role going forward:Knowledge of Bitget exchangeKnowledge Google SheetsAdvanced skills in Excel, Google Sheets, SPSS, and statistical tools.Fluency in German, French or Spanish, beyond English as a core necessity.Flexible availability in CET and EST time zones.