Blockchain Development Web3
Audited Solidity smart contracts, Web3 protocols & DApps

Security-First Web3 Engineering
In Web3, code is law and security is non-negotiable. TechFleek designs, tests, and deploys audited Solidity smart contracts across Ethereum, Polygon, Arbitrum, and BNB Chain. Every contract undergoes rigorous invariant and fuzz testing before touching mainnet.
Full-Stack DApp Integration
We connect battle-tested smart contracts to sleek, responsive frontends via Wagmi, Viem, and Ethers.js, ensuring effortless wallet connectivity and clear transaction signing experiences.
What you get
Audited Solidity Contracts
Gas-optimized ERC standards, upgradeable diamond proxies, and timelocks.
Rigorous Invariant & Fuzz Testing
100% branch test coverage via Foundry and Hardhat with Slither static analysis.
Web3 Wallet Architecture
Account abstraction, WalletConnect v2, RainbowKit, and gasless meta-transactions.
Decentralized Indexing
Custom subgraphs on The Graph and real-time webhook listeners.
Deliverables
Our process
- 01
Discovery & Architecture
- 02
High-Fidelity UI/UX Design
- 03
Agile Sprint Development
- 04
QA, Security & Performance
- 05
Zero-Downtime Deployment
- 06
Support, Maintenance & Scale
FAQs
▸Which blockchain networks do you support?
We specialize in EVM networks including Ethereum, Arbitrum, Polygon, Base, Optimism, and Avalanche.
▸Are your contracts audited?
We perform exhaustive internal audits, static analysis, and automated fuzzing, and prepare comprehensive audit dossiers for Tier-1 third-party audit firms.
Ready to get started with Blockchain Development?
Start a Project →API: blockchain-development