Backend Developer( Node.js )

We are looking for a skilled DApp & Smart Contract Developer to enhance and stabilize our client’s crypto vesting platform. You will diagnose existing issues, improve performance, deliver new features, and ensure seamless coordination between smart contracts and the front end.
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.

WhiteBridge-Ltd is a young and rapidly developing company working in the field of digital markets and analytics.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
 
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
 
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
 
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.

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Company Overview:

Binance, a leading global blockchain ecosystem and the operator of the world’s largest cryptocurrency exchange, serves over 300 million users in more than 100 countries. Renowned for its top-notch security, transparency, fast trading engine, deep liquidity, and diverse digital-asset products, Binance covers a broad spectrum of services spanning trading, finance, education, research, payments, institutional offerings, and Web3 capabilities. The company harnesses the potential of digital assets and blockchain technology to construct an inclusive financial ecosystem that promotes financial freedom and enhances financial accessibility worldwide.

Responsibilities:

Engage in all facets of data work, encompassing engineering, crafting advanced visualizations, developing machine learning models, and conducting experiments.

Generate insightful reports on both macro and sector trends in various areas such as DeFi, NFT, Gaming, Metaverse, L1/L2, and Middleware, among others.

Analyze and interpret vast quantities of on-chain transactional and operational data employing a range of proprietary and open-source data tools, platforms, and analytical toolkits.

Process sensitive data following specified guidelines.

Supervise and architect the reporting environment, integrating data sources, ensuring security, and managing metadata.

Address and resolve issues within the reporting database environment and reports.

Requirements:

Possess a strong interest in Web3 data with knowledge of diverse crypto sectors and understanding of key mechanisms within each sector.

Exhibit robust critical thinking and analytical abilities.

Minimum of 3 years of experience, holding a Bachelor’s degree in Computer Science, Mathematics, or Statistics from an accredited institution.

Skilled in data engineering, modeling, and ETL operations, with additional expertise in data sourcing and API interaction.

Proficiency in querying data using languages like SQL, GraphQL, and Python.

Familiarity with tools utilized in data analytics such as Dune Analytics, Flipside, Nansen, and similar platforms.

Knowledge regarding project smart contracts and extensive comprehension of the Web3 infrastructure landscape.

Understanding of addressing and metadata standards across multiple public chains.

Why Binance:

Contribute to shaping the future alongside the world’s premiere blockchain ecosystem.

Engage with exceptional talents within a globally-driven organization maintaining a flat hierarchy.

Undertake distinctive, fast-paced projects autonomously within an innovative setting.

Flourish in a goal-oriented environment offering career growth prospects and continual learning opportunities.

Competitive compensation and comprehensive company benefits.

Binance is committed to fostering diversity in its workforce, recognizing it as vital to business excellence.

When you apply for this role, you acknowledge that you have reviewed and agreed to our Candidate Privacy Notice.

Artificial intelligence (AI) tools may be employed in various hiring processes, such as application reviews, resume analysis, or evaluation of responses. While these tools support our recruitment team, the final hiring decisions are made by human evaluators. For more insight into data processing, feel free to contact us.

Who We Are

At OKX, we envision a tech-driven future. A prominent player in cryptocurrency trading, OKX leverages cutting-edge blockchain tech to transform finance globally. Serving millions worldwide, we provide diverse products, solutions, and trading tools, empowering all to delve into the crypto realm.

About the Role

Seeking a seasoned Web3 Growth Operations Manager to enhance our team. The ideal candidate boasts blockchain expertise and a solid history of propelling growth endeavors. This role involves crafting strategies to expand our user base, drive engagement, and boost adoption of our blockchain offerings. Our team fosters a collaborative environment where members share knowledge and bolster each other.

Key Responsibilities

Develop and execute growth strategies for user acquisition, retention, and engagement.

Lead GTM operations, coordinating resources across various sectors like Technology Development and Product to meet project targets efficiently.

Analyze metrics to gauge growth initiative success and tweak strategies for optimal outcomes.

Partner with management on strategic projects, advising and supporting cross-functional initiatives.

Conduct user research to enhance Web3 user activity and loyalty.

Keep abreast of web3 trends for integrating insights into growth plans.

Monitor market dynamics for growth opportunities and threats.

Qualifications

2-3 years in Blockchain, Web3, or NFT sectors.

Proficiency in varied Blockchain aspects - Wallet, DeFi, GameFi, NFT, and deep blockchain understanding.

Demonstrated success in driving user engagement through innovative methods.

Strong proficiency in resource management, project coordination, and efficiency enhancement.

Exceptional planning, analysis skills, and data-driven decision-making.

Proactive, self-motivated, with strong ownership and strategic prowess.

Preferred Skills

Experience in Web3 Protocols & Affiliate/KOL management.

Proficient in data analytics.

Bilingual Proficiency in English/Chinese.

Benefits

Competitive compensation.

Comprehensive insurance coverage.

Added benefits to be disclosed during the selection process.