wizardev

Blockchain , Web3 Developer Working On Solana , Evm & Bitcoin

Nakao is a self-motivated Solona developer with more than 7+ years of experience. I am very passionate about Web3 and blockchain technology. My goal is to create high-quality impeccable production code with attention to detail and performance considerations. I have abundant experience in both small projects and large systems development, working with small teams of 2-3 developers as well as large teams of 7-10 developers. I have extensive knowledge in functional, reactive programming and OOP, application architecture fundamentals and patterns like DRY, SOLID, GRASP. I am always improving my skills, not afraid of challenges and able to work.




Experience: 6 years

Yearly salary: $96,000

Hourly rate: $50

Nationality: πŸ‡ΈπŸ‡¬ Singapore

Residency: πŸ‡ΈπŸ‡¬ Singapore


Experience

Solana Smart Contract Engineer
Alphachain
2024 - 2024
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.
Blockchain Team Lead
Finterra Technologies
2020 - 2024
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.
Backend Developer
Ontic
2018 - 2020
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.
React FullStack Developer(Onsite, Full-Time)
Aylien
2017 - 2018
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.

Skills

aws
backend
bitcoin
blockchain
defi
full-time
protocol
rust
solana
solidity
web3
web3js
english
japanese