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","searchLinkUrl":"https://www.workana.com/jobs?country=JP"},"completedProjectsForView":"5","dangerouslyWillBeRenderAsHtml_description":"Hello! I'm a Senior Full Stack, Mobile, and AI Developer with 7+ Years of Experience
I'm a results-driven developer with a strong background in web, mobile, and AI-powered applications. Over the past seven years, I’ve helped startups and businesses build scalable, high-performance, and intelligent solutions—always focusing on quality, security, and timely delivery.
? Core Expertise
✅ Frontend: [React.js](http://React.js), [Next.js](http://Next.js), [Vue.js](http://Vue.js), React Native, Flutter
✅ Backend: [Node.js](http://Node.js), [Express.js](http://Express.js), Django, FastAPI, Laravel, Fastify
✅ AI & Automation: OpenAI API, LangChain, Chatbots, AI Agents, Machine Learning Integration
✅ Blockchain: Solidity, Smart Contracts, [Web3.js](http://Web3.js), DeFi Protocols
✅ Databases: PostgreSQL, MySQL, MongoDB, Firebase, Supabase
✅ Tools & DevOps: Docker, AWS, Git, CI/CD, Hardhat, Truffle
? What I Deliver
✅ Clean, maintainable, and scalable code
✅ Strong analytical and problem-solving mindset
✅ Smooth collaboration and clear communication
✅ Reliable delivery and ongoing project support
I’m new to freelancing on Workana, but I’m not new to building real-world products. I’m ready to help you turn your ideas into powerful, user-friendly, and intelligent solutions.
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","searchLinkUrl":"https://www.workana.com/jobs?country=JP"},"completedProjectsForView":"1","dangerouslyWillBeRenderAsHtml_description":"Hi, I'm Enzo Takahashi - Web & Mobile App Development Specialist
With over 10 years of experience in JavaScript and 10 years in web development, along with 5 to 10 years in mobile app design, I am passionate about building user-friendly, high-quality applications that help businesses streamline their operations and enhance user experiences.
? My Services:
✔️Web Development: Creating intuitive and user-friendly web applications to help businesses grow and succeed.
✔️Mobile App Design: Designing mobile apps with excellent user experiences for iOS and Android users.
✔️Feature Additions & Improvements: Enhancing existing websites and apps by adding new features, improving performance, and optimizing the user interface.
? Client Feedback:
✔ "Enzo is a highly skilled developer, and the project progressed smoothly thanks to his expertise."
- Delivered a web application tailored perfectly to the client's needs on time.
✔ "Working with him was great, and he effectively incorporated feedback and suggestions."
- Improved UI/UX and boosted app performance.
✔ "Exceeding expectations, and I would love to work with him again."
- Delivered high-quality mobile app design that greatly improved user experience.
? Why Work With Me:
✔️Efficient and Fast Results: I provide high-quality web and mobile apps that are delivered on time, every time.
✔️Clear Communication: I work closely with clients to ensure we are always aligned and on the same page throughout the project.
✔️Cutting-Edge Technology: I leverage the latest technologies and trends to build scalable and sustainable solutions for the long term.
? My Skill Set:
- Programming Languages: JavaScript
- Web Development: HTML, CSS, [React.js](http://React.js), [Vue.js](http://Vue.js), [Node.js](http://Node.js), [Express.js](http://Express.js), GraphQL
- Mobile App Design: React Native, Flutter, Swift (iOS), Kotlin (Android)
- Databases: MongoDB, MySQL, PostgreSQL
- Cloud Platforms: AWS, Google Cloud Platform
- Project Management: Git, Jira, GitHub
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✅ Web Scrapping ( BeautifulSoup, Selenium )
✅ GUI development ( PYQT, Tkinter )
✅ Frontend (HTML, CSS, javascript, [React.js](http://React.js), Jquery, [Next.js](http://Next.js), [Web3.js](http://Web3.js), GraphQL)
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✅ Data Analysis ( Numpy, Pandas )
✅ Artificial intelligence / Machine learning
✅ AWS (Amazon Web Services)
✅ ChatGPT, RASA Chat Bots
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Demonstrated success collaborating with 3 cross-functional teams to deliver complex and scalable web applications, leading to time savings of 6 hours per week
Skilled at developing scalable and robust web applications that meet the needs of clients.
I have extensive experience in web development and music distribution platforms, and I'm confident that I can deliver a high-quality website that meets your requirements. My proposed plan includes analyzing your business objectives, developing a user-friendly design, implementing features such as artist signups, subscription management, and artist payout management, integrating the website with streaming services, optimizing its performance and security, and providing ongoing support. I have strong proficiency in React and Django frameworks, as well as experience with payment gateways, custom dashboards, and analytics tools.
Full stack Developer with 6 years of experience in modern front-end technologies and Backend Development.
Demonstrated success collaborating with 3 cross-functional teams to deliver complex and scalable web applications, leading to time savings of 6 hours per week
Skilled at developing scalable and robust web applications that meet the needs of clients.
I have extensive experience in web development and music distribution platforms, and I'm confident that I can deliver a high-quality website that meets your requirements. My proposed plan includes analyzing your business objectives, developing a user-friendly design, implementing features such as artist signups, subscription management, and artist payout management, integrating the website with streaming services, optimizing its performance and security, and providing ongoing support. I have strong proficiency in React and Django frameworks, as well as experience with payment gateways, custom dashboards, and analytics tools.
My experience as a Python and Machine Learning Developer has enabled me to develop robust and scalable solutions that leverage the power of Python and machine learning algorithms to solve complex problems. I am always eager to take on new challenges and stay updated with the latest developments in the field.
Full stack Developer with 6 years of experience in modern front-end technologies and Backend Development.
Demonstrated success collaborating with 3 cross-functional teams to deliver complex and scalable web applications, leading to time savings of 6 hours per week
Skilled at developing scalable and robust web applications that meet the needs of clients.
I have extensive experience in web development and music distribution platforms, and I'm confident that I can deliver a high-quality website that meets your requirements. My proposed plan includes analyzing your business objectives, developing a user-friendly design, implementing features such as artist signups, subscription management, and artist payout management, integrating the website with streaming services, optimizing its performance and security, and providing ongoing support. I have strong proficiency in React and Django frameworks, as well as experience with payment gateways, custom dashboards, and analytics tools.
My experience as a Python and Machine Learning Developer has enabled me to develop robust and scalable solutions that leverage the power of Python and machine learning algorithms to solve complex problems. I am always eager to take on new challenges and stay updated with the latest developments in the field.
With attention to requirements and a dedication to maintaining over 98% code quality standards, provide exceptional results to clients.","canInvite":false,"shouldShowHireMeDialog":false,"sameAsLoggedInCompany":false,"position":"iron","hourlyRate":"USD 25.00","hourlyWorkedProjects":0,"lastActiveLoginRelativeToUser":"September 20, 2024 12:50","lastActiveLoginRelative":"Last year","registeredSinceRelativeToUser":"August 23, 2023 06:52","registeredSinceRelative":"2 years ago","recentBreaches":{"value":0,"label":"0 recent violations"},"workerSkills":[{"anchorText":"WordPress (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/wordpress","isCertified":false,"title":"WordPress - Freelancers"},{"anchorText":"Laravel (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/laravel","isCertified":false,"title":"Laravel - Freelancers"},{"anchorText":"Shopify (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/shopify","isCertified":false,"title":"Shopify - Freelancers"},{"anchorText":"PHP (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/php","isCertified":false,"title":"PHP - Freelancers"},{"anchorText":"React.js (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/react-js","isCertified":false,"title":"React.js - Freelancers"},{"anchorText":"Next.js (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/next-js","isCertified":false,"title":"Next.js - Freelancers"},{"anchorText":"Responsive Web Design (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/responsive-web-design","isCertified":false,"title":"Responsive Web Design - Freelancers"},{"anchorText":"JavaScript (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/javascript","isCertified":false,"title":"JavaScript - Freelancers"},{"anchorText":"Python (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/python","isCertified":false,"title":"Python - Freelancers"},{"anchorText":"Typescript (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/typescript","isCertified":false,"title":"Typescript - Freelancers"},{"anchorText":"Artificial intelligence (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/artificial-intelligence","isCertified":false,"title":"Artificial intelligence - Freelancers"},{"anchorText":"Chatbot (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/chatbot","isCertified":false,"title":"Chatbot - Freelancers"},{"anchorText":"ChatGPT (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/chatgpt","isCertified":false,"title":"ChatGPT - Freelancers"},{"anchorText":"Blockchain (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/blockchain","isCertified":false,"title":"Blockchain - Freelancers"},{"anchorText":"Data Analyst (Python) (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/data-analyst-python","isCertified":false,"title":"Data Analyst (Python) - Freelancers"},{"anchorText":"Data Engineer (Python) (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/data-engineer-python","isCertified":false,"title":"Data Engineer (Python) - Freelancers"},{"anchorText":"Web Development (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/web-development-1","isCertified":false,"title":"Web Development - Freelancers"},{"anchorText":"REST API (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/rest-api","isCertified":false,"title":"REST API - Freelancers"},{"anchorText":"Web Scraping (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/web-scraping","isCertified":false,"title":"Web Scraping - Freelancers"},{"anchorText":"MySQL (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/mysql","isCertified":false,"title":"MySQL - Freelancers"},{"anchorText":"Database (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/database","isCertified":false,"title":"Database - Freelancers"},{"anchorText":"MongoDB (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/mongodb","isCertified":false,"title":"MongoDB - Freelancers"}]},{"isHero":false,"profileUrl":"https://www.workana.com/freelancer/4590dd6743ab9f06dc395d27757ef653","profileLogoUrl":"https://cf.workana.com/logos/ce33851b383d4ed5691b371fc2d6b9c3/lw/360_F_1178446603_VR0QX9vTwxFp1g0coyagHbqfZE6T8sLt_160_160.jpg","profileName":"️️️️️Asura K.","hash":"4590dd6743ab9f06dc395d27757ef653","roleName":"⭐⭐⭐⭐⭐ Full stack developer","tagline":"⭐️⭐️⭐️⭐️⭐️","isVerifiedAgency":false,"rating":2.5,"ratingLabel":"2.5 of 5.00","completedProjects":4,"badges":[{"title":"Freelancer bronze","size":"small","position":"bronze","profile":"","type":"bronze"}],"country":{"name":"Japan","img":"

","searchLinkUrl":"https://www.workana.com/jobs?country=JP"},"completedProjectsForView":"4","dangerouslyWillBeRenderAsHtml_description":"@Hi there! I’m a Senior Full Stack Developer with over 6 years of experience delivering scalable, high-performance web and mobile applications across diverse industries: ranging from e-commerce and fintech to logistics, healthcare, and AI.
I specialize in turning complex business requirements into efficient digital products using cutting-edge tools and frameworks. With a proven ability to lead full-cycle development, from planning to deployment, I consistently deliver maintainable, fast, and secure applications.
<> Core Skills & Technologies
& Frontend Development
- [React.js](http://React.js), [Next.js](http://Next.js), [Vue.js](http://Vue.js), Flutter
- HTML5, CSS3, JavaScript, Tailwind CSS, Responsive & Mobile-First Design
& Backend & Server-Side Development
- [Node.js](http://Node.js), [Express.js](http://Express.js), Python, PHP, Java
- API development (RESTful & GraphQL), Serverless architecture, Authentication systems (OAuth2, JWT)
& Databases & Cloud
MongoDB, MySQL, PostgreSQL, Supabase, Firebase, MariaDB
& Other Areas of Expertise
- AI integration, Web scraping, Chatbot development, Automation
- CMS platforms (WordPress) with custom plugin/theme development
- DevOps: Git, GitHub, CI/CD, Docker
<$> Highlighted Achievements
- Built and launched 20+ full-stack web/mobile apps, including eCommerce platforms, trading dashboards, ERPs, logistics software, and educational tools.
- Led end-to-end architecture for an ERP system that cut operational costs by 30%.
- Developed AI tools, trading bots, and automation systems that improved business efficiency and intelligence.
- Created mobile solutions using Flutter + Firebase for real-time apps like E-Grocery and Camcard integrations.","canInvite":false,"shouldShowHireMeDialog":false,"sameAsLoggedInCompany":false,"position":"bronze","hourlyRate":"USD 25.00","hourlyWorkedProjects":4,"lastActiveLoginRelativeToUser":"October 28, 2025 17:52","lastActiveLoginRelative":"2 months ago","registeredSinceRelativeToUser":"February 11, 2025 16:30","registeredSinceRelative":"10 months ago","recentBreaches":{"value":1,"label":"1 recent violation"},"workerSkills":[{"anchorText":"Next.js (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/next-js","isCertified":false,"title":"Next.js - Freelancers"},{"anchorText":"WordPress (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/wordpress","isCertified":false,"title":"WordPress - Freelancers"},{"anchorText":"Laravel (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/laravel","isCertified":false,"title":"Laravel - Freelancers"},{"anchorText":"Python (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/python","isCertified":false,"title":"Python - Freelancers"},{"anchorText":"JavaScript (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/javascript","isCertified":false,"title":"JavaScript - Freelancers"},{"anchorText":"PHP (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/php","isCertified":false,"title":"PHP - Freelancers"},{"anchorText":"Flutter (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/flutter","isCertified":false,"title":"Flutter - Freelancers"},{"anchorText":"React.js (+10 years)","anchorLink":"https://www.workana.com/en/hire/react-js","isCertified":false,"title":"React.js - Freelancers"},{"anchorText":"Java (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/java","isCertified":false,"title":"Java - Freelancers"},{"anchorText":"MySQL (+10 years)","anchorLink":"https://www.workana.com/en/hire/mysql","isCertified":false,"title":"MySQL - Freelancers"},{"anchorText":"Chatbot (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/chatbot","isCertified":false,"title":"Chatbot - Freelancers"},{"anchorText":"Android (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/android","isCertified":false,"title":"Android - Freelancers"},{"anchorText":"Web Scraping (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/web-scraping","isCertified":false,"title":"Web Scraping - Freelancers"},{"anchorText":"MongoDB (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/mongodb","isCertified":false,"title":"MongoDB - Freelancers"},{"anchorText":"Blockchain (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/blockchain","isCertified":false,"title":"Blockchain - Freelancers"},{"anchorText":"Firebase (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/firebase","isCertified":false,"title":"Firebase - Freelancers"},{"anchorText":"PostgresSQL (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/postgressql","isCertified":false,"title":"PostgresSQL - Freelancers"},{"anchorText":"Artificial intelligence (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/artificial-intelligence","isCertified":false,"title":"Artificial intelligence - Freelancers"},{"anchorText":"Node.js (+10 years)","anchorLink":"https://www.workana.com/en/hire/node-js","isCertified":false,"title":"Node.js - Freelancers"},{"anchorText":"Typescript (5 to 10 years)","anchorLink":"https://www.workana.com/en/hire/typescript","isCertified":false,"title":"Typescript - Freelancers"},{"anchorText":"React Native (3 to 5 years)","anchorLink":"https://www.workana.com/en/hire/react-native","isCertified":false,"title":"React Native - Freelancers"},{"anchorText":"Rust (1 to 3 years)","anchorLink":"https://www.workana.com/en/hire/rust","isCertified":false,"title":"Rust - Freelancers"}]}],"pagination":{"total":43,"limit":10,"page":1,"pages":5,"urls":{"base":"https://www.workana.com/en/freelancers/japan/artificial-intelligence","template":"https://www.workana.com/en/freelancers/japan/artificial-intelligence?page={:page}","next":"https://www.workana.com/en/freelancers/japan/artificial-intelligence?page=2","1":"https://www.workana.com/en/freelancers/japan/artificial-intelligence?page=1","2":"https://www.workana.com/en/freelancers/japan/artificial-intelligence?page=2","3":"https://www.workana.com/en/freelancers/japan/artificial-intelligence?page=3"},"offset":0,"nextPage":2},"g11n":{"addFreelancerToList":"Add to list","verifiedAgency":"Verified agency","completedProjects":"Completed projects","expandText":"View more","collapseText":"View less","hire":"Hire","hourlyRate":"Hourly rate: ","hourlyWorkedProjects":"Hours worked in hourly projects: ","lastActiveLogin":"Last login: ","registeredSince":"Registered since: ","certifiedSkill":"Certified skill","viewMore":"View more","pagination":{"start":"Home","final":"Final","previous":"Previous","next":"Next"}}}

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