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Summary

Arthur is a Backend-Heavy Senior Full Stack Developer with a strong background in blockchain technology and software engineering. His career includes roles at well-known companies like Coinbase, and IBM, where he led the development of various blockchain and web applications.

He made a significant impact at Allspero LLC, and Lucia Protocol by leading the development of innovative blockchain products, enabling product owners to successfully raise funds and driving the startup’s growth through his strategic contributions.

Arthur's key skills include proficiency in JavaScript, Python, and PHP, as well as expertise in cloud services and blockchain technologies. He has successfully developed and deployed smart contracts, decentralized exchanges, and crypto wallets with Solidity, Rust, Golang, Web3, and under deep understanding in blockchain infrastructure.

He has a strong passion in working in a blockchain startup company and continue their career in an innovative and creative blockchain products

Work experience

Senior Software Engineer | Blockchain Infrastructure

2024-06
Allspero LLC

Allspero LLC specializes in building advanced blockchain infrastructure and decentralized finance solutions, focusing on next-generation cryptography and scalable smart contract platforms.

  • BentFinance DAO Platform: Built a substrate-based WASM smart contracts in Rust to enable decentralized governance and treasury management for the BentFinance DAO.

  • Substrate UTXO Chain: Engineered a UTXO model within the Substrate framework to support parallel processing, significantly improving throughput and scalability of blockchain transactions.

  • Falcon512 Post-Quantum Signatures: Integrated Falcon512 lattice-based cryptographic signatures into substrate blockchain modules, adhering to National Institute for Standards and Technology (NIST) post-quantum standards to future-proof transaction security.

  • IPFS Decentralized Storage: Implemented IPFS integration for off-chain data storage, ensuring decentralized, tamper-resistant asset metadata handling across multiple blockchain components.

  • InvokersNFT Ecosystem on Solana: Contributed to the development of InvokersNFT’s Solana-based ecosystem, including SPL token creation, NFT minting, DeFi staking mechanisms, and casino game smart contracts using Rust and Solana’s Anchor framework.

Skills: Rust, Substrate, WASM, Falcon512, Post-Quantum Cryptography, IPFS, Solana, SPL Tokens, NFT Staking, DeFi, Smart Contract Security, Blockchain Architecture, DAO, Anchor Framework, Javascript, Typescript, Node.js, Python, Flask, AWS

Senior Software Engineer | Dapp Builder

2024-012024-06
Lucia Protocol

Lucia Protocol is a decentralized finance platform focused on delivering solutions for token management, lending, and decentralized exchanges across multiple blockchains.

  • Lucia Airdrop Portal: Led the full-stack development of the Lucia Airdrop website for the LCI ERC20 token, implementing frontend interfaces with React and Tailwind CSS and backend services using Django and Web3.js for secure blockchain interactions.

  • LCI Token Airdrop Contracts: Designed, tested, and deployed secure Solidity smart contracts for the LCI token airdrop program using Hardhat and Foundry, ensuring accurate token distribution and gas optimization.

  • Lending & Borrowing Module: Developed and audited Solidity smart contracts to enable decentralized lending and borrowing services within the Lucia ecosystem, enhancing liquidity options and integrating collateral management.

  • Lucia DEX Integration: Collaborated on the Lucia Decentralized Exchange (DEX), architected with Solidity smart contracts and Next.js frontend, connecting it with Manta Network for privacy-focused transactions and token swaps.

  • Ad Attribution System: Engineered ad attribution platform involving React, Node.js, Express.js, and Flask, enabling comprehensive tracking and analytics of blockchain-based advertising campaigns across decentralized apps.

  • Contributed to key technical decisions regarding tokenomics and blockchain architecture, balancing network scalability, user incentives, and marketing strategies.

Skills: Solidity, Hardhat, Foundry, React, Next.js, Django, Web3.js, Tailwind CSS, Node.js, Express.js, Flask, Tokenomics, Smart Contract Security, DEX, Lending & Borrowing Protocols, Blockchain Architecture, Manta Network

Senior Full Stack Engineer

2021-082023-09
Coinbase

Coinbase is a leading cryptocurrency exchange platform providing secure and user-friendly tools for buying, selling, and managing digital assets worldwide.

  • Ancientcoin Blockchain Protocol: Built Ancientcoin blockchain using Cosmos SDK, capable of supporting over 100,000 users and handling 10,000+ concurrent connections with optimized consensus and validator management.

  • Ancientcoin Explorer: Developed a blockchain explorer application that allows users to query real-time transactions, block data, and network status.

  • Crypto Exchange Protocols: Contributed to building decentralized and centralized exchange protocols on the Ancientcoin platform, implementing order book management, trade execution, and liquidity pools.

  • LioEagle BEP20 Token: Architected, deployed, and audited the LioEagle BEP20 token on Binance Smart Chain, enabling token transfers and smart contract interactions within the DeFi ecosystem.

  • DeFi Yield Farming & Staking: Engineered DeFi protocols including staking contracts and yield farming mechanisms leveraging LioEagle tokens, increasing user incentives and platform liquidity.

  • Ancient Society Wallet: Developed a secure, multi-chain compatible crypto wallet tailored for the Ancient Society Project, integrating user-friendly UI/UX

Skills: Cosmos SDK, Golang, React, Node.js, Solidity, Binance Smart Chain, BEP20, Blockchain Explorer, DeFi Protocols, Smart Contract Development, Wallet Development, API Design, Staking & Yield Farming, Crypto Exchange Architecture

Senior Back End Developer

2018-062021-06
IBM

IBM is a global technology leader specializing in cloud computing, AI, and enterprise-grade software solutions across diverse industries including healthcare, finance, and real estate.

  • SaaS Platform Development: Architected and developed core backend services for multi-industry SaaS applications including healthcare management, restaurant booking, real estate listings, travel portals, and education platforms, using Node.js, Express.js, and Django frameworks.

  • CI/CD Automation: Implemented continuous integration and continuous deployment pipelines using Google Cloud Platform (GCP) and CircleCI, automating build, test, and deployment workflows to accelerate release cycles and improve system reliability.

  • Scalable Application Architecture: Designed and built scalable, modular backend architecture that facilitated team collaboration and rapid feature development while maintaining code quality and system performance.

  • Payment Gateway Integration: Integrated Stripe payment APIs to enable secure, compliant, and smooth online payment processing across web applications, ensuring PCI-DSS standards were met.

  • Infrastructure & Deployment: Managed cloud infrastructure on GCP, including container orchestration and environment provisioning, improving system uptime and operational efficiency.

Skills: Node.js, Express.js, Django, JavaScript, HTML, CSS, Google Cloud Platform (GCP), CircleCI, CI/CD, Stripe API, SaaS Architecture, Backend Development, Cloud Infrastructure, Payment Integration, Team Collaboration, Mentoring

Software Engineer

2015-032018-04
Desert IT Solutions
  • Developed and maintained over 20 web platforms using HTML, CSS, JavaScript, and related frameworks, ensuring high-quality and user-friendly experiences for clients.
  • Designed and implemented more than 70 RESTful APIs to facilitate seamless data integration between frontend and backend systems, improving overall system efficiency and performance.
  • Successfully integrated 50% of third-party APIs, enabling seamless data retrieval and system integration, enhancing the functionality and capabilities of our web platforms. 

Education

Bachelor of Computer Science

University of Nevada

Skills

Blockchain

Substrate, WASM, Smart Contracts, Cosmos SDK, BSC (BEP20), Solana, Anchor Framework, SPL Tokens, Hardhat, Foundry, IPFS, DAO, NFT, DeFi, DEX

Programming Language

Rust, Solidity, Golang, Python, JavaScript, TypeScript

Backend & Architecturing

Node.js, Express.js, Django, Flask, Fast API

Frontend & UI/UX

React, Next.js, Tailwind CSS, Vue.js, Material UI

Databases & Messaging Systems

Apache Kafka, PostgreSQL, MongoDB, Redis, MySQL

Testing & QA

Hardhat, Truffle, Foundry, Mocha, Jest

Cloud Service & Hosting

AWS, GCP, Azure

Security & Cryptography

OAuth2, Role-Based Access Control (RBAC), Post-Quantum Cryptography (Falcon512), Smart Contract Security Auditing, PCI-DSS Compliance, Secure Wallet Development

Tools

Agile, Test-Driven Development (TDD), Git, Jira, Notion, Trello

Portfolio