R
Blockchain Software Engineer
Solulab · Full-time
01-05-2026 - Present
Onsite
Software Engineer specializing in Blockchain development.
Blockchain Development
- Solidity
- Ethereum
- Web3.js
- Hardhat
- IPFS
- Docker
Blockchain & Web3 Development
I help startups, founders, and businesses transform Web3 ideas into modern decentralized applications, wallet-connected websites, and blockchain-powered digital experiences.
Clients & brands I've worked with
strategy
fable
gym-master
snapfix
Zuplo
Clicktex
redash
ptly
DEVELOPER SHOWCASE
See What I Build.
A quick look at the applications, backend systems, APIs, and full-stack experiences I build using Java, Spring Boot, React, and modern databases.
Watch Developer Showcase
Solidity • Rust • React • REST APIs • web3.js
About Me
About Me
Who We Are
I'm a Blockchain & Web3 Developer with 6+ month of software development experience, focused on building modern, scalable, secure, and user-friendly decentralized applications (DApps) and Web3 websites
I work across smart contract integration, blockchain connectivity, Web3 wallet integration, React.js interfaces, and APIs to help startups and businesses transform their ideas into reliable, maintainable, and production-ready Web3 solutions.
- 6+month Experience
- 10+Projects Complate
- 28+Technologies & Tools
- 8+Clients / Teams
Good software isn't just code that works — it's software that remains understandable, maintainable, and reliable as the product grows.
Career
Experience
professional software engineering experience focused on Blockchain development.
Technical Expertise
Powering the Decentralized Web
Blockchain · Web3 · DApps
From blockchain integration and smart contract workflows to polished DApp interfaces, I build connected Web3 products across frontend, backend, data, and deployment.
Core stack// 05
- Solidity / Ethereum
- Smart Contracts / EVM
- React / Next.js
- Ethers.js / Web3
- Wallet Integration
Blockchain & Web3
06Core capabilities
- SolidityCoreSmart contract development for Ethereum-compatible networks.
- EthereumCoreOn-chain transactions and decentralized application integration.
Toolkit
- Smart Contracts
- Decentralized Applications
- Blockchain Transactions
- IPFS
Smart Contract Development
05Core capabilities
- HardhatCoreDevelopment workflows for Solidity contracts and local networks.
- Smart Contract IntegrationCoreConnecting deployed contracts to user-facing applications.
Toolkit
- Contract Testing
- Contract Deployment
- Contract Workflows
Web3 & Wallet Integration
06Core capabilities
- Ethers.jsCoreContract calls, transaction requests, and on-chain data.
- Wallet IntegrationCoreWallet connection flows for blockchain-powered interfaces.
Toolkit
- Web3.js
- Transaction Signing
- Contract ABI Integration
- Blockchain RPC APIs
DApp Frontend Engineering
06Core capabilities
- React.jsCoreInteractive DApp interfaces and wallet-connected UI.
- Next.jsCoreModern web application architecture and frontend rendering.
Toolkit
- TypeScript
- JavaScript
- Tailwind CSS
- Responsive UI
Backend & API Integration
08Core capabilities
- REST APIsCoreConnecting applications with backend services and external data.
- Node.jsCoreSupporting services and APIs for modern Web3 applications.
Toolkit
- Express.js
- Java
- Spring Boot
- API Integration
- Webhooks
- Authentication
Databases & Data
06Core capabilities
- PostgreSQLCoreRelational data models, application persistence, and SQL queries.
- MongoDBCoreDocument-oriented data storage for web applications.
Toolkit
- MySQL
- Redis
- SQL
- Off-Chain Data Storage
Development Tools & Testing
08Core capabilities
- GitCoreVersion-controlled development and collaborative workflows.
- GitHubCoreCode collaboration, reviews, and automated delivery workflows.
Toolkit
- VS Code
- Postman
- JUnit
- Debugging
- API Testing
- Contract Testing
Deployment & Infrastructure
07Core capabilities
- DockerCoreContainerized development and repeatable application environments.
- AWSCoreCloud infrastructure and application hosting.
Toolkit
- Vercel
- Linux
- CI/CD
- GitHub Actions
- Application Deployment
Featured Web3 Projects
Building the Decentralized Future.
Explore Web3 application concepts and engineering projects covering blockchain wallets, decentralized payments, DAO governance, NFT membership systems, token vesting, and on-chain analytics.
Blockchain · Ethereum · Solidity · Web3
Web3 Development
Web3 Wallet & Portfolio Dashboard
Next.jsReact.jsTypeScript
ConceptFeatured
Web3 Wallet & Portfolio Dashboard
A modern Web3 dashboard concept designed to connect cryptocurrency wallets, display token balances, track blockchain transactions, and visualize wallet activity across supported networks.
Next.jsReact.jsTypeScriptEthers.jsMetaMask+2
- MetaMask connection with network detection and switching
- Token balances, portfolio summaries, and transaction history
- Responsive loading, error, and transaction-status states
Smart Contracts
Decentralized Escrow & Milestone Payments
SolidityOpenZeppelinHardhat
Concept
Decentralized Escrow & Milestone Payments
A blockchain escrow application concept for milestone-based agreements, allowing participants to fund contracts, manage deliverables, and release test-token payments through transparent smart contract rules.
SolidityOpenZeppelinHardhatReact.jsEthers.js+1
- Wallet-based agreement creation and test-token funding
- Milestone submission, approval, and payment-release workflow
- Contract events, history, and defined dispute states
DAO Development
DAO Governance & Voting Platform
SolidityOpenZeppelin GovernorHardhat
Concept
DAO Governance & Voting Platform
A decentralized governance platform concept for creating proposals, managing voting eligibility, and displaying transparent governance results through blockchain interactions.
SolidityOpenZeppelin GovernorHardhatEthereumReact.js+1
- Proposal creation, deadlines, and lifecycle display
- Eligibility-aware on-chain voting and vote counting
- Governance results, statistics, and event history
NFT Development
NFT Membership & Token-Gated Access
SolidityERC-721OpenZeppelin
Concept
NFT Membership & Token-Gated Access
A Web3 membership platform concept using NFTs to manage membership ownership and enable access to exclusive digital content, communities, or application features.
SolidityERC-721OpenZeppelinNext.jsReact.js+2
- ERC-721 ownership and membership-status verification
- Wallet message authentication for gated application areas
- Membership artwork, metadata, levels, and responsive dashboard
Smart Contracts
Token Vesting & Distribution Dashboard
SolidityOpenZeppelinHardhat
Concept
Token Vesting & Distribution Dashboard
A token vesting application concept for managing allocations, visualizing release schedules, and allowing eligible users to claim simulated vested tokens through smart contracts.
SolidityOpenZeppelinHardhatReact.jsTypeScript+1
- Allocation, cliff, and release-schedule visualization
- Vested and claimable balance calculation with claim flow
- Distribution history and role-aware administration
Blockchain Analytics
Blockchain Analytics & Transaction Explorer
Next.jsReact.jsTypeScript
Concept
Blockchain Analytics & Transaction Explorer
A full-stack blockchain analytics dashboard concept for exploring wallet transactions, token transfers, contract events, and indexed on-chain activity.
Next.jsReact.jsTypeScriptEthers.jsSpring Boot+3
- Wallet and transaction search with network selection
- Transfer history, contract events, status, and filters
- Indexed historical charts through a full-stack data pipeline
[05] Client Testimonials·Web3 · Software Engineering · Collaboration
◆ Client Testimonials
Trusted Collaborations. Real Feedback.
→ Feedback from clients and collaborators on engineering quality, reliable delivery, and teamwork — the same principles I bring to Web3 websites, decentralized applications, and blockchain integrations.
BH
“Ketan delivered our backend and DeFi features ahead of schedule with strong code quality and attention to detail. Technically strong, reliable, and great ownership.”
Blockchain DevelopmentBackend EngineeringProject Delivery
JR
“The application he built is fast, stable, and well-structured. His approach to API design, security, and backend reliability was excellent.”
API DevelopmentApplication SecurityBackend Reliability
N
“From architecture to deployment, Ketan made the development process smooth and organized. Highly recommended for Decentralized application development.”
Software ArchitectureDecentralized DevelopmentDeployment
CS
“Ketan is a very good programmer and a hardworking person. He makes sure all deadlines are met with the best quality.”
Development QualityReliabilityOn-Time Delivery
TZ
“Ketan consistently demonstrated strong work ethic and a drive for quality. His attention to detail in backend logic, API development, and application architecture is impressive.”
Backend EngineeringAPI DevelopmentCode Quality
AF
Ahmad Fahim
Developer · Backend Team
5.0
“Great pleasure working with Ketan — humble, dedicated, and a fantastic team player. His commitment brought real value to our projects.”
Team CollaborationSoftware DevelopmentProfessionalism
Have a project in mind?
Let's turn your idea into a reliable, scalable product.
06Web3 InsightsBlockchain · Solidity · Ethereum · Web3
Web3 Engineering Journal
Exploring Web3, Blockchain & Decentralized Technology.
Practical guides, technical insights, and engineering notes on Ethereum, Solidity, decentralized applications, smart contract integration, wallet connectivity, and modern Web3 development.
DApp Development
FeaturedBuild a Web3 DApp with React and Ethereum
A practical architecture guide for connecting a React interface to Ethereum, reading contract state, sending transactions, and designing dependable wallet-aware UI.
Oct 19, 2026 5 min read
Read Article
Solidity
Solidity Smart Contract Development Guide
Understand Solidity contract structure, EVM execution, visibility, events, custom errors, access control, testing, and responsible deployment workflows.
Oct 19, 2026 5 min read
Read Article
Wallet Integration
Connect MetaMask to React for a Web3 Application
Build a safe wallet connection flow in React with account access, chain detection, event handling, rejection states, and clear security boundaries.
Oct 19, 2026 4 min read
Read Article[07] Contact·Available for new work
◆ Let's Work Together
Have a Project in Mind?
→ Tell me what you're building, what you need help with, and your timeline. I'll get back to you as soon as possible.