09/23/2026 updated
100 % available
Senior Fullstack Developer | React | Node.js | Blockchain | AWS
WARREN, USA
Worldwide
Bachelor of Computer Science, Nagoya University (2009-2015)About me
I am a Full Stack Engineer with over 13 years of experience in React, React Native, Next.js and Angular, HTML5, CSS3, and JavaScript ES6. I also specialize in AI development and have strong experience in ChatGPT, stable diffision, DALL-E, model integration, Langchain, NLP, pinecone etc.
LLMOpenAIGCPChatGPTLangChainSupabaseNode.jsNext.jsFlaskAWS AppSyncDall-EGraphQLReact NativeOpennlp
Hello! I am a Full Stack Engineer with over 7 years of experience in crafting responsive, user-friendly web and mobile applications. My expertise lies in modern JavaScript frameworks like React, Next.js and Angular, combined with a strong foundation in HTML5, CSS3, and JavaScript ES6. I also specialize in AI development and have strong experience in ChatGPT, stable diffision, DALL-E, model integration, Langchain, NLP, pinecone etc.
Why Work With Me?
? Comprehensive Service: From design and development to hosting, SEO, and post-launch maintenance, I offer a one-stop solution for all your website needs.
✨ Personalized Solutions: Whether you need a sleek personal website or a robust enterprise-grade application, I can bring your vision to life. Already have a design? Perfect! Let’s hit the ground running.
? Front-End & Back-End Excellence: I deliver high-performance, quality-driven solutions using cutting-edge technologies. Seamless CMS integration? Done. You choose the CMS—I’ll handle the rest.
? Thorough Testing: Before going live, I ensure optimal loading speed, functionality, and SEO compatibility. You’ll have a ready-to-use product, equipped with the tools to add pages and content with ease.
? Client-Centric Approach: From our first conversation to the final delivery, I prioritize your needs, providing dedicated support and clear communication throughout.
✅ React | Next.js | HTML5 | CSS3 | TypeScript | JavaScript | Figma
✅ Tailwind CSS | UX/UI | SASS | Material-UI | Ant Design |Bootstrap
✅ Node.js | Express | Nest.js | TypeScript | JavaScript | Python | Django | Flask | FastAPI
✅ REST APIs | GraphQL | tRPC | RPC
✅ AI Model Integration | ChatGPT API | DALL-E | Stable Diffision | Langchain | NLP | LLM | Pinecone
✅ React Native | Flutter
✅ Firebase | Supabase | AWS | GCP
Let’s collaborate to bring your ideas to life! Feel free to reach out—I’m excited to discuss how I can contribute to your success. Looking forward to hearing from you! ?
Experience
Professional experience10+ years
Freelancer since2015
Languages
EnglishNative speaker
Project history
Responsible for backend development and smart contract using Node.js with Sequelize framework. Configured Docker Compose for Express and MySQL services, created event handlers for Blockchain signals, implemented Signup/Login with MetaMask and social login, uploaded NFT assets to AWS S3, implemented NFT Buy/Sell/Auction functionality, and integrated SMS functionality via Twillio SDK.
Developed a fitness web site allowing users to book fitness lectures and treatments. Used JavaScript, TypeScript, React, Next.js, Node, Docker, PostgreSQL, Git, AWS Cognitor, AWS Lambda, AWS S3, AWS SES, Twillio, and Zoom SDK. Implemented CRUD features for users and patients, 1:1 video streaming via Twillio SDK, and stored fitness videos and images on AWS S3.
Integrated AWS Cognito Authentication using Lambda functions, implemented email sending via AWS SES, configured Wowza Media Server for live streaming and video conferencing, implemented payment integration with Stripe, developed frontend using Next.js, and integrated Apollo SDK with GraphQL.