Senior Software Engineer with 6+ years of full-stack expertise and 3+ years of dedicated Web3 development. IIT Kanpur Blockchain Certified with a proven track record of architecting high-performance financial systems and production-grade DeFi protocols.

Expert in Solidity, EVM architecture, and gas optimization — with a deep focus on smart contract security, scalable backend infrastructure, and on-chain incentive design. Currently building at Delta India and actively shipping production DeFi systems.

Web3 & Smart Contracts Solidity, EVM, OpenZeppelin, Hardhat, Foundry, Ethers.js, Web3.js, Wagmi, viem

DeFi Protocols & Standards ERC-20/721/1155/4337, Uniswap V3, Aave V3, Morpho Blue, Pendle, GMX, Curve, 1inch, ve-Tokenomics

Cross-chain & Advanced Architecture LayerZero V2, Diamond Proxy (EIP-2535), Account Abstraction (ERC-4337), Pimlico Bundler

Security & Optimization Gas Optimization, Reentrancy Protection, Multi-sig Patterns, Foundry Fuzzing, Echidna, Slither, Formal Verification

Backend & DevOps Node.js, PHP/Laravel, Python, Rust, AWS, Docker, Kubernetes, PostgreSQL, Redis, CI/CD, GitHub Actions

Tooling & Bots Turborepo, pnpm Workspaces, Discord Bot, Telegram Bot, Python Backtesting Engine

Solidity · Foundry · Node.js · TypeScript · Kubernetes · LayerZero · ERC-4337 · Python

The most architecturally complex project: a unified DeFi aggregator built by reading deployed contract source directly — not documentation.

• Multi-Protocol DeFi Engine: Integrated Uniswap V3, Aave V3, Morpho Blue, Pendle, GMX, Curve, and 1inch into a unified liquidity layer
• Advanced Architecture: EIP-2535 Diamond Proxy for modular upgrades, ERC-4337 Account Abstraction with Pimlico bundler for gasless UX, LayerZero V2 for cross-chain bridging across Arbitrum, Base, and Optimism
• Incentive & Risk Systems: ve-tokenomics with epoch-based gauge weights and bribe markets; Aave health-factor circuit breakers; LP delta-hedging logic for Uniswap V3 range positions
• Infrastructure: Discord/Telegram bots for real-time on-chain alerts; Python backtesting engine against forked mainnet; Turborepo monorepo with Kubernetes (k3d) and full GitHub Actions CI/CD

Hardhat · OpenZeppelin · ERC-20/721/1155 · UUPS Proxy · Sepolia

• UUPS Proxy contracts enabling seamless protocol upgrades without migrating user state
• ERC-1155 soul-bound tokens as tamper-proof course completion certificates with automated on-chain reward distribution
• Combined ERC-20 utility tokens, ERC-721 achievement NFTs, and ERC-1155 SBTs in a single cross-standard protocol

Solidity · Hardhat · Foundry · OpenZeppelin · Ethers.js · Next.js · Sepolia

• Production-grade ERC-20 + VestingToken with configurable cliff periods, linear vesting, and multi-beneficiary allocations using gas-efficient storage layout
• Multi-sig treasury guard pattern (k-of-n approval) on all critical withdrawal operations
• Deployed and verified on Sepolia; Next.js frontend with real-time vesting-schedule visualisation

Solidity · Hardhat · OpenZeppelin · Ethers.js · ERC-20

• Synthetix-inspired staking protocol with epoch-based rewardPerToken accumulator — eliminates per-user loops, reducing gas for reward claims by ~40%
• Hardened against flash-loan attacks with single-block staking restrictions and re-entrancy guards on all state-mutating paths

Solidity · Next.js · Web3.js · On-chain Credit Scoring

Web3 bill-splitting dApp with novel on-chain credit scoring, AI receipt scanning, and voice commands.

TypeScript · ERC-1155 · Solidity

Minimal Real-World Asset tokenisation flow — fractional ownership and on-chain property transactions with compliant token architecture.

Blockchain Developer — Delta India (Dec 2024 – Present) Production smart contracts on Ethereum-based networks; 15% gas reduction via storage packing and custom error patterns; multi-sig + OpenZeppelin security integration; full dApp architecture with MetaMask and WalletConnect compatibility.

Senior Software Developer — TechMave Software (Apr 2023 – Nov 2024) Led 10-engineer team building enterprise financial and CRM platforms; 50% deployment time reduction via AWS + GitHub CI/CD; 30% backend performance improvement via SQL and API optimisation.

Backend Developer — VYQDA Technologies (Nov 2020 – Aug 2022) Designed core backend for 4 SaaS platforms and 2 e-commerce sites; 24% improvement in system security metrics.

• IIT Kanpur — Blockchain Developer Certification (Dec 2024 – Jun 2025)
• Google Cloud — Professional Cloud Architect & Generative AI Certified
• MCA — Mangalayatan University, A+ (Apr 2023 – Jun 2025)
• BCA — Jaipur National University (2018 – 2021)

Actively seeking Senior Solidity Developer, DeFi Protocol Engineer, or Smart Contract Auditor roles — on-site, remote, or relocation considered.

Connect: linkedin.com/in/basantsd

"Secure by design. Gas-optimised by default. Decentralised at heart."