Senior Engineer - Web 3 Application - Wallet

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

Company Overview

At OKX, we deeply believe in the transformative power of technology. Established in 2017, OKX stands out globally as a premier cryptocurrency spot and derivatives exchange. We are at the forefront of utilizing blockchain technology to revolutionize the financial sphere, offering a wide array of advanced products and solutions that cater to the evolving market demands. With over 20 million users across 180 regions worldwide, OKX is dedicated to providing an interactive platform that empowers individuals to engage with the crypto realm. In addition to our world-class DeFi exchange, OKX also boasts OKX Insights, a forward-thinking research division that stays ahead of industry trends. With a wide range of crypto services and a commitment to innovation, OKX aims to create a financial landscape supported by blockchain and DeFi capabilities. We prioritize our people just as much as we prioritize cutting-edge technology. Our culture values teamwork, adaptability, and integrity, ensuring a welcoming and inclusive environment where every team member can excel and thrive.

Role Summary

Responsibilities:

  • Lead the development of blockchain application layer business services such as web3 wallet, staking, and DeFi protocol design.
  • Conduct system performance optimizations and technical R&D to maintain high availability and reliability.
  • Utilize architecture expertise to identify optimization opportunities and enhance engineering efficiency.
  • Understand product requirements and execute functional and architectural design optimizations accordingly.

Qualifications:

  • Proficient in Java programming and possess a solid understanding of fundamental concepts like IO, multithreading, and collections, along with JVM principles.
  • Hold a Bachelor's degree or higher in computer science, software engineering, or related fields.
  • Skilled in mainstream development frameworks like SpringBoot and MyBatis.
  • Familiarity with databases such as MySQL, Redis, Elasticsearch, HBase, Kafka, or middleware.
  • Strong enthusiasm for technology, a broad perspective, a passion for learning, and ambition.
  • Previous experience in developing blockchain platform products, with knowledge of Bitcoin, Ethereum, or mainstream DeFi projects like MakerDao, Uniswap, Compound, Synthetix.

Preferred Qualifications:

  • Exposure to high-concurrency, high-availability, and high-performance project development is desirable.
  • Familiarity with blockchain technology and knowledge of BTC, ETH, Cosmos, Dot, or DeFi projects like MakerDao, Uniswap, Compound, Synthetix.
  • Excellent communication skills, project management experience is a plus.
  • Proficiency in at least one language among C++, Go, TypeScript.

Benefits & Perks

  • Competitive total compensation package.
  • Extensive insurance coverage for employees and their dependents.
  • Additional perks and benefits to be discussed during the selection process.
Skills Required
Avatar
OKX
Company size
Not specified
Location
United States
Description
OKX is a world-leading digital asset exchange, providing advanced financial services to traders worldwide leveraging blockchain technology. Our platform offers spot & derivatives trading helping traders optimize their strategy. It provides a safe, reliable and stable environment for digital assets trading via web interface and mobile app by adopting GSLB, and distributed server clusters. We believe blockchain technology will eliminate barriers to transactions, increase the efficiency of transactions across society, and eventually have a significant impact on the global economy. We strive to achieve something that changes the world and never stop to innovate and improve on our customer experience.

More Full-time Jobs

Show more

Prop Trader (Crypto Market)

Singapore +3
Singapore +3
Part time
Remote
The Role
As a Proprietary Trader at Flappy DAO, you’ll leverage your deep understanding of crypto markets, meme ecosystems, and DeFi protocols to generate alpha and execute high-frequency, high-reward strategies. This role is designed for fearless traders who thrive in fast-paced environments and possess an uncanny ability to spot trends before they go viral.
Key Responsibilities
Develop and deploy proprietary trading strategies across decentralized exchanges (DEXs), meme coins, and emerging Web3 assets.
Execute high-frequency trades with precision, capitalizing on market inefficiencies and volatility.
Analyze on-chain data, social sentiment, and macroeconomic trends to identify alpha opportunities.
Manage risk dynamically while optimizing portfolio performance in rapidly shifting markets.
Collaborate with Flappy DAO’s network of elite traders to share insights and refine collective strategies.
Stay ahead of the curve by exploring new protocols, airdrops, and meta shifts in the crypto landscape.
Who We’re Looking For
✅ Proven experience in crypto trading, with a track record of profitability in meme coins, altcoins, or derivatives.
✅ Deep expertise in Web3 ecosystems (DeFi, NFTs, DAOs) and familiarity with tools like DexScreener, DeFiLlama, and Telegram alpha groups.
✅ Meme coin savant: Ability to decode viral trends, community narratives, and hype cycles.
✅ Risk management mastery: Discipline to balance aggressive plays with capital preservation.
✅ Technical edge: Proficiency in trading bots, on-chain analytics, and smart contract interactions.
✅ Entrepreneurial mindset: Self-driven, adaptable, and hungry to innovate in a decentralized world.
Why Join Flappy DAO?
Access to exclusive alpha: Tap into insider insights, early-stage projects, and proprietary tools.
Elite network: Collaborate with top-tier traders and crypto OGs shaping the future of finance.
Cutting-edge resources: Leverage advanced analytics, AI-driven signals, and decentralized infrastructure.
Competitive compensation: Earn performance-based rewards with uncapped upside.
Shape Web3: Be at the forefront of DeFi innovation and meme-driven market movements.
Payment in Crypto

Blockchain Developer for Solana-Based Crypto Project

Full time
Remote
Join The Saviors (SAVE) as a Blockchain Developer – Build the Future of Decentralization
Are you a crypto developer who believes in breaking free from centralized control and empowering communities through blockchain technology? The Saviors (SAVE) isn’t just another cryptocurrency—it’s a movement to restore trust, purpose, and freedom in a world dominated by elites. We’re building a decentralized ecosystem on Solana, with staking, governance, and ambitious plans for a custom blockchain, social platform, marketplace, and play-to-earn game. We’re looking for talented developers like you to join our long-term, trusted team and help shape a future where power belongs to the people.
The Role
As a Blockchain Developer for The Saviors (SAVE), you’ll dive into exciting technical challenges:
Develop Solana-based smart contracts for staking, governance, and our deflationary token mechanics.
Build decentralized applications (dApps) that redefine finance, social interaction, and commerce.
Innovate on complex projects, like creating a custom blockchain or integrating a censorship-resistant social platform and NFT marketplace.
Collaborate with a transparent team dedicated to security, community input, and legal compliance.
This isn’t just a job—it’s an opportunity to solve real-world problems and leave a lasting impact in the crypto space.
Why Join Us?
Token-Based Compensation: Get paid in SAVE tokens with a vesting schedule, offering you a stake in a project with a fixed 1 billion token supply and deflationary burns. Early contributors like you could see significant upside as we grow.
Long-Term Vision: We’re here for the marathon, not the sprint. With a roadmap spanning a custom blockchain, gaming, and beyond, you’ll join a team committed to sustainable innovation.
Shared Beliefs: If you’re passionate about decentralization, transparency, and community governance, you’ll fit right in. Your work will empower holders to vote, stake, and thrive in a trust-driven ecosystem.
Trusted Team: Based in the British Virgin Islands with audited contracts, multisig governance, and a KYC’d core team, we prioritize integrity and accountability. Join a project that’s doing crypto the right way.
Who We’re Looking For
Technical Skills: Experience with blockchain development, ideally on Solana (Rust) or EVM-based chains (Solidity).
Crypto Enthusiast: Comfortable with token-based payment and excited about its potential in a growing ecosystem.
Mission-Driven: You believe in SAVE’s vision of dismantling centralized power and building a decentralized world grounded in truth and freedom.
Team Player: Ready to commit to a long-term role with a collaborative, transparent crew.
Ready to Shape the Future?
If you’re a developer who wants to build something meaningful with a team you can trust, The Saviors (SAVE) is calling. Let’s create a decentralized legacy together.
DM us or apply at contact-us@thesaviors.io to join the movement!
Payment in Crypto
8.33
Monthly
See details

KOL Business Developer

Full time
Remote
Job Title: KOL Business Developer
Job type: Full-time, remote 
Key Responsibilities: 
1. Develop and execute strategies to grow the derivatives trading user base in target regions. 
2. Build and manage partnerships with institutional clients and key ecosystem players. 
3. Identify market trends, user needs, and competitor activities to drive product and service enhancements. 
4. Collaborate with internal teams to optimize product offerings and campaigns for target markets. 
Qualifications: 
1. Proven experience in business development or sales in the crypto/financial industry. 
2. Strong understanding of derivatives trading and market dynamics. 
3. Excellent communication and negotiation skills.
1,500-3,000
Monthly
See details

Team Lead / Blockchain Developer (Rust, Go, Solana)

Full time
Remote
Team Lead / Blockchain Developer (Rust, Go, Solana)
We are looking for a Team Lead to develop blockchain products.
Key Responsibilities:
🔹 Design and develop blockchain applications
🔹 Collaborate with business owners and break down tasks
🔹 Manage the team: assign tasks, conduct daily syncs, and estimate timelines🔹 Set up development processes: CI/CD, code review, GitFlow
🔹 Team development: training, hiring, and onboarding new employees
Who We Are Looking For:
✅ 3+ years of software development experience
✅ 1+ year in a Team Lead / Tech Lead / Architect role
✅ Strong knowledge of Rust and Go, basic TypeScript skills
✅ Understanding of the Solana network (Proof of History, TBFT, etc.)
✅ Experience developing smart contracts for Solana
✅ Experience with Postgres, Redis, Kafka, Cassandra
✅ Familiarity with Docker, Kubernetes, Helm, Ansible/Terraform
✅ English level B1 or higher, Russian is an advantage
What We Offer:
💰 Salary according to your expectations and experience
🎯 Autonomy in team and process management
📚 Unlimited access to professional training
🎟 Opportunities to attend conferences and meetups
 Freedom to propose and launch projects
🏡 Fully remote work
⚡ Equity options in company projects
reach out to telegram @askapro_co or email liubov@askapro.tech
Payment in Crypto

Crypto Analyst

Singapore +3
Singapore +3
Full time
Remote
Are You Ready to Decode the Market? 🚀
Flappy DAO is on the hunt for a Crypto Analyst who can turn raw blockchain data into actionable alpha. If you’re an OG in the crypto space—someone who thrives on charts, metrics, and uncovering hidden opportunities—this role is tailor-made for you.
As a Crypto Analyst at Flappy DAO, you’ll be the eyes and ears of our trading team, providing deep insights into market trends, token movements, and emerging projects. Think you’ve got what it takes to become the ultimate data wizard? Let’s dive in.
What You’ll Be Up To (Your Mission):
Analyze On-Chain Data: Dig into transaction volumes, whale activity, wallet distributions, and other key metrics to identify trends and predict price movements.
Monitor Market Sentiment: Track social media, news outlets, and community discussions to gauge FOMO/FUD cycles and their impact on the market.
Provide Trading Insights: Collaborate with our traders to deliver actionable recommendations based on your analysis.
Track Emerging Projects: Identify promising tokens, DeFi protocols, and NFT collections before they hit mainstream radar.
Leverage Exclusive Tools: Access proprietary datasets and analytics platforms (e.g., Glassnode, Dune Analytics, Santiment) to enhance your research.
Why Flappy DAO Slaps for Analysts:
Alpha Access: Get insider signals, exclusive tools, and early access to market-moving data.
Profit Sharing: A slice of the pie goes to you. We reward performance because we believe in eating what we cook.
DAO Vibes: Be part of an elite crew shaping the future of Web3. Your voice matters here—we’re all builders.
Flexibility: Work remotely and manage your own schedule while staying aligned with DAO goals.
What We’re Looking For (The Real Deal):
We don’t want just anyone—we want someone who lives crypto. Here’s how you prove it:
Proven Track Record: Show us your history as an active participant in the cryptocurrency market. Whether it’s through successful trades, contributions to DeFi projects, or involvement in DAOs, we need proof that you’re legit.
Examples: Links to your DEX trades, wallet activity, or past roles in other protocols.
Deep Market Knowledge: Understand the nuances of both centralized (CEX) and decentralized (DEX) exchanges. Know the difference between AMMs, order books, and dark pools—and why they matter.
Analytical Wizardry: Proficiency in SQL, Excel, Tableau, or similar tools for crunching data. Bonus points if you’ve used blockchain analytics platforms like Glassnode, Santiment, or Dune Analytics.
Community Engagement: Active participation in the Web3 space isn’t optional—it’s essential. Show us your Discord presence, Twitter threads, or forum contributions that demonstrate your passion for the industry.
How to Stand Out (Bonus Points):
Experience analyzing high-volatility assets like meme coins and understanding their unique dynamics.
Contributions to open-source DeFi projects or previous work with DAOs.
A portfolio showcasing successful market analysis or predictive modeling.
Still Reading? Here’s Why You Should Join Us:
At Flappy DAO, we don’t just talk about changing the game—we actually do it. Our members are pioneers, innovators, and hustlers who thrive in chaos and create order out of disorder. As a Crypto Analyst, you won’t just be another cog in the machine; you’ll be a key player driving the success of our ecosystem.
If you’re ready to bring your A-game, show us your creds, and help shape the future of decentralized finance, then this is your moment. Let’s build something legendary together.
About Flappy DAO
Flappy DAO is a private, insider collective of elite traders and crypto enthusiasts shaping the future of decentralized finance. With a focus on high-impact strategies, meme coin movements, and cutting-edge market insights, we empower our members to unlock unparalleled opportunities in the Web3 space. Join us at flappydao.com and elevate your trading game—where alpha meets community. 🚀
Payment in Crypto
12,000-13,200
Monthly
See details