Senior Blockchain Full Stack Developer

Robert James

Los Angeles, CA *****************@*****.*** +1-505-***-****

[LinkedIn Profile](https://linkedin.com/in/robert-james-78bb46344/)

Summary

Innovative and detail-oriented Senior Blockchain & Full Stack Developer with 8+ years of experience in designing, developing, and deploying secure and scalable decentralized applications. Expertise in CEX & DEX, P2P Trading, Multi-chain platforms, MetaSwap, and NFT automation tools. Strong background in smart contract development (DeFi), blockchain architecture, and backend systems.Proficient in Python for web scraping & data automation, having extracted data from platforms like Coingecko, Uniswap, Steam, PlayStation, and Xbox. Adept at leading cross-functional teams to deliver robust blockchain solutions.

Professional Experience

Senior Blockchain & Full Stack Developer

NexusPro, United States Jan 2023 – Present

Developed smart contracts for CEX/DEX platforms, integrating staking, P2P trading, and liquidity management.

Built a high-performance trading engine supporting limit orders, market orders, and liquidity pooling.

Created staking contracts with dynamic rewards & penalty mechanisms and designed secure escrow-based P2P trading.

Implemented AMM logic for efficient token swaps and optimized smart contract security using OpenZeppelin libraries.

Conducted rigorous testing with Chai, Mocha, and Hardhat, reducing gas costs by 20% through Yul assembly optimization, improving contract efficiency.

Developed MetaSwap, reducing manual token conversion time by 40%, increasing transaction efficiency by 25% and built an NFT-Seller-Bot to automate marketplace transactions.

Team Lead & Software Engineer

FanDragon Technologies, United States Apr 2021 – Dec 2022

Led a team of 7 developers in building decentralized ticketing solutions using blockchain technology.

Designed scalable APIs for real-time transaction validation & ticket authentication.

Collaborated with cross-functional teams to optimize smart contract efficiency & security.

Implemented backend microservices architecture, improving system availability & fault tolerance.

Software Engineer

Aphid, United States Jan 2019 – Mar 2021

Developed automated trading solutions for blockchain-based financial platforms.

Integrated multi-chain interoperability, enabling seamless asset transfers across different networks.

Designed secure & scalable database structures to manage large-scale blockchain data.

Enhanced smart contract performance using Solidity optimization techniques.

Full Stack & Python Expert

Reely, United States Jan 2017 – Dec 2018

Specialized in Python for web scraping, automation, and full-stack development.

Extracted & analyzed cryptocurrency data from Coingecko & Uniswap for market research.

Built scalable full-stack applications using Django, Flask, React, and Next.js.

Automated data pipelines, improving data accuracy by 40% and reducing manual processing time by 50%.

Technical Skills

Blockchain: Solidity, Smart Contracts, DeFi, Web3.js, Ethers.js, Ethereum, Solana, Binance Smart Chain, CEX/DEX Platforms, NFTs, AMM.

Programming Languages: Python, JavaScript, TypeScript, C++, Java, C#, GoLang, Rust, Assembly.

Full Stack Development: React.js, Next.js, Vue.js, Node.js, Express, Nest.js, Django, Flask, RESTful API.

Web Scraping & Automation: BeautifulSoup, Scrapy, Selenium, API Integration, Data Analysis.

Tools & Platforms: Hardhat, Truffle, Ganache, MetaMask, IPFS, Docker, Kubernetes, AWS, Git, CI/CD.

Testing & Security: Chai, Mocha, Jest, Smart Contract Auditing, Gas Optimization.

Other Skills: Cryptography, Project Management Methodologies, GraphQL for API management, Agile Methodologies,

Certifications

Certified Blockchain Developer (Ethereum) – Blockchain Council

Certified Solidity Developer – Blockchain Council

Certified Python Developer – OpenEDG Python Institute

Education

Bachelor's Degree in Computer Science - Santa Clara University (2012 - 2016)

Strong focus on software development, security, cryptography, and blockchain.

Gained advanced proficiency in Python, C++, and C# with a deep understanding of encryption algorithms & system vulnerabilities.

Developed high-performance applications by leveraging low-level programming techniques.

Projects

GToken Platform – Multi-chain CEX/DEX (Ongoing)

NexusPro – CEX/DEX, P2P Trading Platform

Aphid – Blockchain Network Disrupting the Workspace Economy

FanDragon – Smart Ticket Wallet Platform

NFT-Seller-Bot – Automated NFT Marketplace Transactions

MetaSwap – Automated Token Conversion System

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