Solana Developer

Engineered, validated, and released secure smart contracts on various blockchain platforms, especially on Solana and Bitcoin; Successfully released 24+ contracts; Integrated Web3 on both front-end and back-end side using Ether.js, Web3.js; Conducted security audits and resolved vulnerabilities in smart contracts, back-end, as well as mobile programs; Ensured the safety of sensitive data and prevented potential security breaches; Led the development process of 5+ web2 and blockchain-related projects and mentored 2 junior developers; Successfully completed all projects on time and within budget; Spearheaded full life-cycle software development in multiple software environments; Designed and implemented scalable and efficient backend systems using Node, Java, Golang and Django, and optimized MongoDB and PostgreSQL performance through query optimization, indexing, and normalization; Wrote 20+ lambda functions in Node.js/Python to AWS Lambda with API Gateway and Cloud Formation; Completed frontend projects as well, using Next, Nuxt and migrated old Angular projects to recent versions.

Stayed current with emerging technologies and developed 10+ mobile applications; Designed, developed, and deployed 20+ full-stack web applications tailored to the business objectives and needs of various clients using Angular, React, Vue, Express, MySQL, PostgreSQL, and MongoDB; Led the successful migration of an existing monolithic app from Python 2x and Flask to Python 3.x and Django, resulting in improved performance and compatibility; Additionally, accelerated future schema migrations by 30% through the implementation of optimized SQL scripts; Worked as a part of a team on several Spring and Angular projects, developing new features, as well as fixing bugs and optimizing performance; By implementing SEO techniques in a React application with server-side rendering (SSR) using Next.js and Gatsby, successfully boosted page views per session by 23% for an e-commerce site with a catalog of 20,000+ products; Performed test and audit for 12+ projects across the Netizens codebase, ensuring data safety and system performance.

Contributed as a front-end developer within an agile team; Designed and deployed fully responsive web interfaces for multiple clients, prioritizing mobile-first approach; Utilized Bootstrap and Material UI to implement UX/UI designs from PSD and Figma files; Accelerated development of a custom dashboard, resulting in a 50% reduction in support tickets; Learned React, Angular, and Typescript, actively involved in front-end development using React, Redux, and Typescript; Completed a mentorship course, doubling my learning pace; Developed a Resume Parsing System employing NLP techniques and machine learning, enabling efficient categorization of candidate resumes; Implemented Optical Character Recognition for PDF extraction and JSON to Spacy format conversion; Conducted Social Media Sentiment Analysis on a Twitter dataset, offering valuable insights into public opinions on diverse topics; Analyzed time series data using SQL on Kaggle's SuperStore Time Series Dataset, including data cleaning, window functions (LEAD), sales ranking, monthly and daily sales averages calculation, and consecutive-day discount analysis; Implemented moving averages to tackle time-series analysis challenges with SQL.