wizardev

Solana Smart Contract, Defi protocol Engineer : Built Dex Aggregator Smart Contract System. Implemented Fast Landing Transaction method with parallel transaction confirming way. Pumpfun, Pumpswap, Raydium AMM, Raydium CLMM, Raydium CPMM, Raydium Launchlabs, Meteora DLMM, Meteora DAMM v1, Meteora DAMM v2, Moonshot.

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.