SyncFlow is a full-cycle Web3 development team ranked among the Top 3 blockchain developers on Freelancehunt. We design, build, and deploy high-performance smart contracts — fast, secure, and production-ready.
We are SyncFlow, a team of professional blockchain engineers specializing in smart contracts, dApps, and Web3 infrastructure. Our mission is to deliver expert engineering, transparency, and reliability across the entire blockchain lifecycle.
We handle the complete development cycle — from architecture and contract logic to frontend and backend integration — ensuring a seamless, scalable final product.
From token logic to complete decentralized applications — we handle it all.
ERC-20, BEP-20, SPL — custom logic (mint, burn, tax, cap)
ERC-721 / 1155, Metaplex, royalties, multi-tier collections
Multi-stage pricing, whitelists, claim and cliff mechanics
Voting systems, proposals, treasury management
Flexible staking pools and reward distributions
Cross-chain bridges, escrow, automated distributions
Every contract is tested, verified, and ready for external audit.
Every smart contract developed by SyncFlow goes through a strict, multi-layered security process:
AI-assisted unit testing for full coverage
AI-powered static analysis to detect hidden vulnerabilities
Manual code review by senior blockchain engineers
Testnet deployment and performance stress testing
Compliance with OpenZeppelin, CertiK, and Solana Labs standards
Human expertise. Machine precision. Enterprise-grade security.
Defining requirements, tokenomics, and objectives
Designing logic and structure
Building and internal testing
Audits and simulations
Mainnet launch and maintenance
Freelancehunt Ranking
Tested and verified before launch
Intelligent testing, improved reliability
Ethereum, Solana, BSC, TON, Polygon
Smart contracts, backend, frontend
One team — from concept to deployment.
from $600
ERC-20, BEP-20, SPL with custom logic
from $800
ERC-721/1155 with full features
from $3000
Multi-stage with whitelists and claims
from $5000
Complete governance system