cupid20103

Full Stack Software Engineer

Passionate Full Stack Software Engineer with 7 years of experience delivering innovative, high-impact solutions. Skilled at thriving in fast-paced environments while meeting deadlines and exceeding expectations. Proficient in JavaScript, PHP, Python frameworks, and databases, committed to driving growth through scalable architectures and seamless Web3 integrations. Currently expanding expertise into Artificial Intelligence, exploring applications that bridge AI with Web3 and full-stack ecosystems to create smarter, future-ready solutions.


Experience: 7 years

Yearly salary: $60,000

Hourly rate: $30

Nationality: 🇯🇵 Japan

Residency: 🇯🇵 Japan


Experience

AI & Full Stack Developer
Zebracat
2024 - 2025
● Led the launch of Zebracat AI v1 (Jun 2024) by building the web platform with Next.js, TypeScript, Node.js, and Stripe, increasing subscription conversions by 25%. ● Enhanced v2 release (Dec 2024) with advanced computer vision features (TensorFlow) for automated scene and avatar generation, improving user engagement by 30%. ● Optimized backend video rendering pipelines and multilingual support, reducing latency by 35% and scaling seamlessly for a 40% growth in active users.
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.
Web3 Engineer
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 Parasol SDKs and Solana wallets into the IDO website, improving accessibility and increasing user engagement by 15%.
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.
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

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