Solidity Developer

Designed and implemented DeFi modules such as staking vaults, interest-bearing tokens, reward distribution, and AMM integrations for a yield tokenization protocol, enabling users to access future yield upfront while hedging risk. Migrated the test framework from Hardhat to Foundry, achieving 4× faster test execution and 30% faster deployments. Automated token ownership transfers for a decentralized cross-chain bridge via scripts in CI workflows, improving client process efficiency by over 50%. Automated CI/CD pipelines using Docker-based builds with CircleCI integrated into AWS deployments and defined OpenAPI specifications to implement RESTful services in Spring Boot/Node.js, reducing deployment time by 30%, decreasing failed deployments by 25%, and improving frontend integration speed by 40%. Built smart contracts for perpetual settlements (asset transfers, funding payments, P&L calculations), options on indexes using Black-Scholes and VIX methodologies, and collateral management with automated liquidation logic. Collaborated with external auditors by explaining codebase and business requirements, analyzing audit findings, and implementing remediations ahead of deadlines. Optimized PostgreSQL performance through indexing and query refinement, decreasing average response time by 35%. Developed distributed task automation scripts in Python and Bash integrated into GitHub workflows for routine ledger and maintenance operations, cutting manual effort by 60%. Developed Masterchef-style contracts for staking LP tokens across multiple AMM pools, integrating with protocols like Curve, Aave, and Compound.

Developed Python scripts integrated with PagerDuty via webhooks for automated monitoring and alerts in production and staging, accelerating incident detection and resolution by 45%. Performed detailed code reviews and mentored peers on backend best practices and secure coding, improving code quality and reducing defects. Implemented Ethereum Improvement Proposals (EIPs) including ERC-20, ERC-721, ERC-1155, ERC-4626, and EIP-1559 to ensure standards compliance. Coordinated cyber-security incident responses with internal teams and third-party vendors, performing root cause analysis and implementing preventive measures.

Designed and implemented RESTful APIs and controllers in Java Spring Boot for property listings (CRUD, search/filter/sorting) with Spring Validation and dynamic aggregation logic, reducing invalid submissions by 35% and enabling flexible client-driven queries. Developed dropout analytics endpoint to track user abandonment patterns, leading to UX improvements that increased listing completion rate by 17% and reduced support tickets by 22%. Automated listing lifecycle management via cron jobs and schedulers to expire stagnant entries and maintain data freshness, improving overall data accuracy and user trust. Built and integrated payment transaction APIs for Ezetap POS and mobile solutions, and collaborated with Business Development and client stakeholders to streamline onboarding, accelerating integration timelines by 30%.