Sarumathi Vasu

Software Engineer

Sparkout Tech Solutions Pvt. Ltd.•  September 2024 - Present•  Coimbatore

Designed, developed, and deployed backend systems using Python, Django an FastAPI, ensuring high performance and scalability. Built and maintained RESTful APIs, enabling smooth integration with front-end applications and third-party services. Managed MySQL and SQL databases, performing query optimization, schema design, and data migration. Implemented authentication, authorization, and secure coding practices to protect application data. Collaborated with clients to understand requirements, deliver technical solutions, and provide post-deployment support. Wrote clean, maintainable code following best practices and version control using Git.

Software Engineer

Sparkout Tech Solutions Pvt. Ltd.•  June 2024 - August 2024•  Coimbatore

Assisted in designing backend features with FastAPI and Django, focusing on modular architecture and maintainable code structure. Implemented database indexing and normalization in MySQL to enhance query performance for high-traffic applications. Developed data validation and error-handling mechanisms to ensure system stability and reduce API failures. Created unit tests to validate backend logic, improving code reliability before deployment. Performed functional, integration, and security testing of Solidity smart contracts, identifying and helping remediate critical vulnerabilities before deployment. Conducted end-to-end testing of DeFi and DEX features including token generation, crowdsales, token migration, airdrops, launchpads, farming, and staking to ensure platform stability and reliability. Verified NFT marketplace functionalities such as buy, sell, borrow, and lend, along with payment splitter contract logic for accurate revenue distribution.