Principal/Senior Engineer - Blockchain Development Engineer
Hong Kong
Full time
Office
Compensation is not specified
Role
Software Engineer
Description
About the Company
At OKX, we are shaping the future with advanced technology. Established in 2017, OKX stands out as a prominent cryptocurrency exchange for spot and derivatives trading. Utilizing blockchain technology, OKX offers a wide range of innovative products and solutions that are transforming the financial landscape. Trusted by over 20 million users across 180 regions globally, OKX aims to provide a dynamic platform for individuals to delve into the realm of crypto. Alongside the top-notch DeFi exchange, OKX is also known for OKX Insights, a research arm that stays abreast of industry trends. With a diverse array of crypto services and a focus on innovation, OKX envisions a world where financial accessibility is empowered by blockchain technology and decentralized finance.
We value our team just as much as we value technology. We foster a collaborative culture where success is shared, change is embraced, and integrity is paramount. Our mission is to cultivate a welcoming, enriching, and inclusive environment for all team members, regardless of their background, where everyone is appreciated, respected, and offered equal opportunities for growth and success.
Opportunity Overview
- Engage with top talents in blockchain technology, contributing to the development and enhancement of security tools, and remaining at the forefront of this rapidly changing industry.
- Access continuous learning opportunities to enhance skills, including hands-on experience in smart contract auditing and security tools development.
- Make a global impact through the utilization of our widely-used Web3 products, and contribute to their safety and reliability.
Responsibilities
- Direct the design, development, thorough testing, and optimization of performance for L1 or L2 blockchain projects.
- Lead communication efforts and actively contribute to well-known blockchain projects like Ethereum, Polygon, and others in mainstream usage.
- Drive the development of ZKEvm and related components.
- Collaborate with the team to create scalable blockchain solutions.
- Engage in product planning and devise technical roadmaps.
- Address development challenges, conduct fault diagnosis, and implement fixes.
Qualifications
- Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- Preferably possess 2-3 years of experience in blockchain development, with proficiency in Golang, Rust, C++, or related languages.
- Solid comprehension of blockchain technology, including Ethereum, Polygon, Bitcoin, Solana, and L2 networks.
- Exposure to zero-knowledge proof development, particularly zkvm, and familiarity with principles of plonk/halo2/KZG/FRI, along with related libraries or circuit development languages such as plonky2, Circum, gnark.
- Familiarity with performance optimization tools like Gperftools, Profiler, Flamegraph, Pprof, etc., and experience in performance optimization development within projects. Knowledge of zk GPU acceleration is beneficial.
- Excellent analytical skills, problem-solving capabilities, and team collaboration aptitude.
Desirable Qualifications
- Profound understanding of the workings of mainstream ZK-Rollup L2 technology and in-depth awareness of ZKEvm technicalities.
- Hands-on experience in L2 blockchain projects like polygon\linea\zksync.
- Proficiency in ZKP like groth16, fflonk, plonky2.
Benefits
- Competitive total compensation package.
- Extensive insurance coverage for employees and their dependents.
- Further perks and benefits to be elaborated on during the selection process.
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
TA Quant
Chief Business Development Officer (CBDO)
Full time
Remote
We're seeking an experienced Chief Business Development Officer to drive our growth strategy and establish key partnerships in the crypto/web3 space. As CBDO, you'll be responsible for identifying new business opportunities, building strategic relationships, and expanding our market presence globally.
Key Responsibilities:
Develop and execute comprehensive business development strategies aligned with company vision
Identify and pursue strategic partnerships, collaborations, and integration opportunities with protocols, exchanges, and web3 projects
Lead negotiations for high-value deals and partnerships
Build and maintain relationships with key stakeholders, investors, and industry leaders
Analyze market trends and competitive landscape to identify growth opportunities
Represent the company at conferences, events, and in the broader crypto community
Collaborate with product, marketing, and technical teams to align BD initiatives
Drive revenue growth through new channels and business models
Manage and mentor the business development team
Report directly to CEO on BD performance metrics and pipeline
Key Responsibilities:
Develop and execute comprehensive business development strategies aligned with company vision
Identify and pursue strategic partnerships, collaborations, and integration opportunities with protocols, exchanges, and web3 projects
Lead negotiations for high-value deals and partnerships
Build and maintain relationships with key stakeholders, investors, and industry leaders
Analyze market trends and competitive landscape to identify growth opportunities
Represent the company at conferences, events, and in the broader crypto community
Collaborate with product, marketing, and technical teams to align BD initiatives
Drive revenue growth through new channels and business models
Manage and mentor the business development team
Report directly to CEO on BD performance metrics and pipeline
Payment in Crypto
TA Quant
Quant Researcher Lead
Full time
Remote
Define research direction, manage the research team, and drive innovation in quantitative strategy development. You'll set the strategic vision for our quantitative research efforts, build and lead a world-class team of researchers, and ensure we maintain a competitive edge in increasingly sophisticated markets. This role requires exceptional track record in developing successful trading strategies, deep understanding of market dynamics across multiple asset classes, and proven leadership in building research organizations that consistently deliver alpha while fostering a culture of innovation and intellectual rigor.
Responsibilities:
Set research priorities and team roadmap
Lead and mentor the quantitative research team
Develop cutting-edge trading strategies and methodologies
Present research findings to leadership and stakeholders
Responsibilities:
Set research priorities and team roadmap
Lead and mentor the quantitative research team
Develop cutting-edge trading strategies and methodologies
Present research findings to leadership and stakeholders
Payment in Crypto
Mark Chainsaw
Quant / Engineer Prediction Markets
Full time
Remote
hiring Quants & Engineers - https://tally.so/r/pby6pE
We gift Claude Code Max 20x subscription (1-12 month) for successful referral
You must have heard about some of this projects: Polymarket, Kalshi, Opinion
We do:
- 15min crypto options market-making
- arbitrage with Binance
- insider-identifying directional bets
- mid frequency copy trading
- to be continued…
We value tier-1 engineers and quants.
Our team:
- worked in top tier high freq trading hedge funds (binance, okx, …)
- made infrastructure for onchain data (solana, base, hyperliquid, …)
- won IOI and kaggle competitions
We are ready to onboard 2 people to our team
Quant: research & improve strategies, backtest, reverse other traders
Engineer: making high performance data providers and trading engine
Nice to have some from you:
- Top tier education
- Understanding of MEV and onchain arbitrage/market-making
- Experience in trading, crypto or traditional markets
- Other relevant background
What we offer:
- Top market salary and profit sharing
- Unique and challenging tasks
- Strong team and growth
We gift Claude Code Max 20x subscription (1-12 month) for successful referral
You must have heard about some of this projects: Polymarket, Kalshi, Opinion
We do:
- 15min crypto options market-making
- arbitrage with Binance
- insider-identifying directional bets
- mid frequency copy trading
- to be continued…
We value tier-1 engineers and quants.
Our team:
- worked in top tier high freq trading hedge funds (binance, okx, …)
- made infrastructure for onchain data (solana, base, hyperliquid, …)
- won IOI and kaggle competitions
We are ready to onboard 2 people to our team
Quant: research & improve strategies, backtest, reverse other traders
Engineer: making high performance data providers and trading engine
Nice to have some from you:
- Top tier education
- Understanding of MEV and onchain arbitrage/market-making
- Experience in trading, crypto or traditional markets
- Other relevant background
What we offer:
- Top market salary and profit sharing
- Unique and challenging tasks
- Strong team and growth
Payment in Crypto
Lumixion.io
Frontend Web3 Engineer | React | Solidity, Ethereum, Solana
Remote, USA
Remote, USA
Full time
Remote
About the RoleWe are seeking a React Web3 Developer to build decentralized applications and integrate smart contracts across multiple blockchain platforms. Candidates may have experience with Solana, Ethereum, Solidity, or similar smart contract technologies.ResponsibilitiesDevelop and maintain Web3 applications using ReactIntegrate and interact with smart contracts on various blockchainsImplement wallet connections and on-chain interactionsCollaborate with product and blockchain teamsWrite clean, secure, and well-documented codeRequirementsStrong experience with React and modern frontend developmentExperience with any smart contract platform (Solana, Ethereum, Solidity, or similar)Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.)Solid understanding of blockchain fundamentals and dApp architectureAbility to work independently with strong communication skillsPreferredExperience with DeFi, NFT, or multi-chain applicationsFull-stack Web3 experienceHiring ProcessTechnical TaskShortlisted candidates will be given access to a public repository. The task is to:Review the codebase and suggest improvements and optimizationsShare recommendations and best practices based on the existing implementationInclude screenshots of the terminal and browser as references where applicableSubmissions must be shared as:A Google Docs link, orA PDF documentTechnical Interview with CTOA detailed technical interview will be conducted with our CTO. Topics will include:In-depth discussion of the candidate’s understanding of the reviewed codebaseApproach to development challenges and best practicesCultural and Work Environment Interview with CEOThe final stage involves a meeting with the CEO to evaluate:Cultural fit within the companyWork ethic and attitudeAlignment with company values and visionExpectations regarding work environment and team collaboration
Payment in Crypto
XanaNetworo
Crypto Outreach Hunter – High Commission (Remote)
Full time
Remote
XanaNetwork (@xananetwork) is hiring 5–8 outreach hunters. We just relaunched — same core team with a track record of multi-hundred-million caps and six-figure holder bases. Your job:• Send 300–600 high-quality cold DMs per day on Twitter (DexScreener, Pump.fun, new launches)• Get warm replies → we close Pay (performance-first):• $800–$1,200 USD monthly base• + $1,500–$4,000 bonus per signed client• Top hunters clear $8k–$15k+/mo on commission• Paid trial $100 flat — first 8 who hit 5+ warm replies get hired No experience needed — we’ll train hungry people. Apply → DM @mainnetmike on Twitter with:1. How many DMs you can send daily2. Why you want the role Hungry & coachable only.
Payment in Crypto