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Blockchain & Web3 Development
Building decentralized applications, smart contracts, crypto wallets, and secure blockchain infrastructure using modern Web3 technologies.
SW
Suraj Waghmare
Web3 & Blockchain Portfolio
Services
What I build and deliver
Focused on premium blockchain development, full stack systems, AI-enabled experiences, and modern product design with a strong emphasis on reliability and usability.
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Full Stack Engineering
Developing scalable frontend and backend experiences with React, Next.js, Node.js, and cloud-native services for production-ready products.
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AI & Real-Time Applications
Creating intelligent systems, chat platforms, and real-time web experiences with fast UI, integrated APIs, and responsive workflows.
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Modern Digital Products
Designing polished user experiences, performance-first interfaces, and product-driven solutions for Web3 and enterprise use cases.
💻 Projects
Web3 protocols, DeFi platforms, and blockchain products.
Air Protocol
Decentralized News Authenticity
Developed a decentralized news authenticity protocol that rewards users with ERC-20 tokens for verified content. Integrated IPFS storage, AI-based trust scoring, and wallet integrations for Farcaster and Base blockchain.
⚡ Additional Projects
Bima.money
Multi-chain DeFi Platform
Contributed to a cross-chain DeFi platform with smart contract testing, backend integrations, and a Bitcoin-based credit scoring system built on on-chain wallet data.
Tano (UTXO Lending Platform)
UTXO-based Lending MVP
Built the MVP of a lending platform using a UTXO transaction model, focusing on secure lending workflows and transaction handling.
Fractional NFT on ICP
Hackathon Project
ICP community contribution implementing fractional ownership for NFTs on Internet Computer Protocol.
Real Estate Transaction Platform
Personal & Small Project
EVM-based platform for tokenized real estate lifecycle and transaction management (testing phase).
Hedera Voting System
Personal & Small Project
Decentralized voting boilerplate built on Hedera Hashgraph.
Automobile Lifecycle Management
Personal & Small Project
Hyperledger Fabric app for tracking vehicle lifecycle across stakeholders.
🧪 Technical Demonstrations
Multi-Chain Wallet Integration Demo
Implemented wallet connectivity across EVM and Solana ecosystems, demonstrating seamless multi-chain user interaction.
View Demo→LayerZero OFT Bridging Demo
Built a cross-chain token bridging demo using the LayerZero v2 OFT standard to showcase secure asset transfers.
View Demo→Staking Smart Contract Demo
Developed a staking contract enabling token locking and reward distribution mechanics to demonstrate DeFi yield functionality.
View Demo→Solidity IDE
Built a Solidity IDE for compiling and deploying smart contracts, integrated with RainbowKit wallet connectivity and a UI designed using Lovable AI.
View Demo→💼 Experience
Protocol & Product
Senior Blockchain Developer
OnAir Protocol
Nov 2025 – Present
Remote
Key Responsibilities:
- →Led design and audit-ready implementation of smart contracts on BASE EVM for MVP release.
- →Built wallet integrations for Farcaster MiniApp and Progressive Web App (PWA).
- →Integrated decentralized storage using IPFS via Pinata and Infura.
Projects:
- •MVP release of OnAir Protocol on BASE EVM with wallet and storage integrations.
Blockchain Developer
Digichain Global
July 2024 – Nov 2025
Remote (Full Time), New Jersey, USA
Key Responsibilities:
- →Designed, developed, and audited smart contracts across EVM and non-EVM chains including Arch, Solana, and BTC Stacks.
- →Used Clarity (BTC Stacks), Rust (Solana/Arch), Solidity (EVM), and Go (Arch) for cross-chain protocol and dApp development.
- →Researched and implemented new protocol features with a focus on security and performance for Arch blockchain.
- →Integrated wallets and secure connectivity for Ton, EVM, and non-EVM networks to improve onboarding and UX.
- →Contributed to smart contract audits, security reviews, and code analysis to maintain best practices across deployments.
- →Explored and integrated emerging blockchain technologies and consensus mechanisms into product roadmaps.
Projects:
- •Major Project – Bima (DeFi protocol components under Digichain Global).
Blockchain Developer
ChainForge Technologies
May 2024 – Oct 2024
Remote (Part-time), India
Key Responsibilities:
- →Designed and implemented upgradable Solidity smart contracts for DeFi use cases.
- →Developed secure vault contracts for managing protocol reserves and user funds.
- →Built Uniswap and PancakeSwap enabled token contracts with liquidity and DEX integration logic.
- →Implemented taxable token and asset contracts with configurable fee and treasury mechanisms.
- →Ensured secure and fraud-resistant workflows via WalletConnect AppKit integrations using ethers.js.
Projects:
- •DeFi token, vault, and treasury smart contracts on EVM chains.
Full Stack Blockchain Developer
Freelance
Sept 2022 – Oct 2024
Remote, India
Key Responsibilities:
- →Led development of scalable, upgradable Solidity smart contracts, including work on Uniswap V2-style contracts.
- →Integrated Metamask and other EVM wallets using web3.js and ethers.js for secure user transactions.
- →Developed NFT contracts with metadata stored on IPFS via Pinata to improve decentralization and integrity.
- →Built and deployed Solana smart contracts for on-chain business logic.
Projects:
- •Fractional NFT on ICP (community contribution / hackathon project).
- •Real Estate Transaction Platform (EVM-based, testing phase).
Blockchain Developer
Blockskillo
April 2023 – Sept 2023
Remote (Full Time), India
Key Responsibilities:
- →Developed upgradable smart contracts for an online education platform with an emphasis on security and scalability.
- →Integrated blockchain with backend services and delivered boilerplate frontend code.
- →Managed the full lifecycle from development and testing to mainnet deployment using best practices for upgradeability.
Projects:
- •Online Education Platform smart contracts and integrations.
🛠️ Skills
Chains • Tooling • Infra
🔐Smart Contracts
SolidityRustClarityUpgradable contractsDEX integrations (Uniswap/PancakeSwap)Vault and treasury contractsTaxable tokensNFTs
📝Languages
SolidityJavaScriptTypescriptPythonRustC++JavaMotoko
🛠️Frameworks & Libraries
Next.jsVite.jsReact.jsNode.jsExpress.jsNest.jsWeb3.jsEthers.js
⛓️Blockchains
EthereumPolygonHedera HashgraphSolanaHyperledger FabricInternet Computer ProtocolArchBTC StacksTon (wallet integrations)
🔧Development Tools
HardhatTruffleFoundry/ForgeGanacheMetamaskWalletConnectAlchemyInfuraSolana PlaygroundRemix IDE
⚙️Productivity
GitDockerJiraSlackOffice
🎓 Education
Academic Background
P.G. Diploma in Fintech and Blockchain
Centre for Development of Advanced Computing (C-DAC), Patna
Grade: 81%
2023
B.E. Computer Science
Sinhgad Academy of Engineering (University of Pune), Pune
Grade: CGPA 8.11
2020
HSC Science
S.N. College (Maharashtra State Board), Akola
Grade: 74%
2015
SSC
Kothari Convent (Maharashtra State Board), Akola
Grade: 87%
2013
📜 Certifications & Achievements
Professional Development
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Blockchain Foundation Program – Kerala Blockchain Academy (Mar 2023)
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Corda Fundamentals – Kerala Blockchain Academy (Mar 2023)
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Hyperledger Fabric Fundamentals – Kerala Blockchain Academy (Mar 2023)
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Solana Dapp Development – Dapp World (Sept 2023)
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Soroban Accelerated Bootcamp in India – Rise In (May 2024)
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Game Development on Lens Protocol – DApp World (Apr 2024)
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Business Analysis Basics – Simplilearn (Jan 2025)
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Prompt Engineering with GitHub Copilot – Microsoft (Jan 2025)
🏆 Highlights
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BlockBash Hackathon 2024: First Prize (Day 2) in 7-day Internet Computer Protocol challenge.
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TechSpark Challenge 2023: Runner-up team.
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Participated in various social and extracurricular events.
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Support My Work
Building innovative blockchain solutions & open-source projects
If you appreciate my work, consider buying me a coffee to fuel more development!
100+
Supporters
25+
Projects
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Passion
Every coffee helps me continue creating amazing content and tools for the blockchain community
Crypto Live Dashboard
Real-time cryptocurrency market analysis updated every minute
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Market Insights
- •Monitor top 5 cryptocurrencies by market capitalization with real-time price updates
- •View 24-hour price changes and market sentiment indicators
- •Track trading volume and market cap trends over the last 7 days
- •Data refreshes every minute to keep you informed of market movements
Fun Zone
Play classic Nokia mobile games while you explore my portfolio!
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2048
Slide and merge numbered tiles to reach 2048.
Coming Soon
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Pong
Classic Pong game with AI opponent.
Coming Soon
These games work offline and are saved to your device. Perfect for when you need a break!
Let's Connect
Discuss a project, collaborate on Web3 ideas, or explore blockchain solutions.
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Your Local Time
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Detailed Consultation
30-minute in-depth session for project planning or technical strategy.
Book 30 Min SessionExpertise Available For
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Consultations
Advice on blockchain architecture and smart contract design.
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Collaborations
Partnering on DeFi protocols or cross-chain applications.
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Discussions
Code reviews and deep dives into the Web3 ecosystem.
✉️ Contact & Connect
Advisory • Builds • Audits
Open for Web3 / DeFi product builds, protocol design, technical content and developer relations engagements.