cupid20103

Full Stack & Web3 Developer

Highly skilled Full Stack and Blockchain Developer with 7 years of experience building innovative and complex web applications and decentralized systems. Proficient in a wide range of programming languages, frameworks and development methodologies. Now I keep learning(AI) and honing my skill to become a senior developer in the IT fields.


Experience: 7 years

Yearly salary: $60,000

Hourly rate: $30

Nationality: πŸ‡―πŸ‡΅ Japan

Residency: πŸ‡―πŸ‡΅ Japan


Experience

Full Stack & Mobile Developer
Canbase
2024 - 2025
● Designed and developed a responsive web application that improved overall user experience, contributing to a 20% increase in mobile traffic and higher retention rates. ● Revamped the site’s architecture and layout using modern front-end frameworks, reducing page load time by 20% and enhancing visual appeal across devices. ● Implemented advanced performance optimization techniques, leading to a 25% faster initial page load and improved SEO rankings. ● Delivered engaging, interactive mobile features that boosted user engagement by 25%, fostering community interaction and brand loyalty. ● Built and deployed a cross-platform mobile application using Expo, reducing iOS and Android release cycles by 20% and streamlining maintenance.
Full Stack Developer
Job Wizard
2022 - 2023
● Optimized and refactored a Chrome extension, achieving a 20% improvement in loading speed and significantly enhancing performance and user satisfaction. ● Integrated intelligent field-detection algorithms to auto-fill job application forms, increasing accuracy and completion rates by 15%. ● Built and maintained robust CI/CD pipelines for automated testing and deployment, resulting in a 20% reduction in manual errors and faster release cycles. ● Collaborated with product stakeholders to implement scalable solutions across the platform, improving developer velocity and codebase maintainability.
Web3 & Full Stack Developer
Parasol Finance
2021 - 2022
● Built interactive web platforms with a strong focus on enhancing customer experience, contributing to a 20% improvement in customer satisfaction scores. ● Conducted advanced website performance tuning and front-end optimization, resulting in a 20% reduction in page load times across devices. ● Seamlessly integrated Solana smart contracts into the IDO platform, ensuring secure, efficient transactions and achieving a 15% decrease in potential vulnerabilities. ● Integrated various Web3 SDKs and Solana wallets into the IDO website, improving accessibility and increasing user engagement by 15%.
Web3 & Full Stack Developer
FOURDIGIT Inc.
2020 - 2021
● Designed and developed high-performance full stack web applications using modern frameworks, improving load speeds and reducing page load times by 15%. ● Integrated GraphQL APIs for efficient data handling, resulting in a 20% boost in front-end responsiveness and reduced server load. ● Collaborated cross-functionally with design and product teams to deliver scalable, production-ready solutions, reducing time-to-market by 20%. ● Implemented backend performance tuning and database optimization, decreasing data latency by 25% and improving app reliability. ● Led monitoring and continuous performance improvements across the stack, contributing to a 15% increase in system stability and user satisfaction.
Front-end Developer
Mahana Corporation
2018 - 2020
● Developed and maintained scalable, high-performance front-end applications using React and TypeScript, improving load times by up to 40%. ● Partnered with UX/UI teams to deliver responsive, accessible web interfaces, increasing user engagement by 20% across platforms. ● Conducted code reviews and performance audits, improving code efficiency by 80% and significantly reducing technical debt. ● Led front-end efforts for e-commerce platforms, decreasing bounce rates by 15% through user-centered design and refined interaction logic. ● Integrated front-end features with RESTful APIs, ensuring seamless cross-browser compatibility and enhancing overall user experience.

Skills

android
angular
aws
blockchain
cryptography
ethereum
firebase
graphql
javascript
mongo
nestjs
nextjs
nuxtjs
python
react
react-native
smart-contract
solidity
typescript
vue
web3js
full-stack
english
japanese