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Hi, I’m Jinling Han, a hands-on full-stack developer with expertise in JavaScript, React, Node.js, Git, and RESTful APIs. I enjoy building responsive web and mobile applications, collaborating in cross-functional teams, and quickly adapting to new technologies to deliver robust solutions. In recent projects, I built a bilingual nail-salon appointment system with a bilingual UI, RESTful APIs on a serverless architecture, and automated email confirmations; I also contributed to a Mailchimp-like email marketing integration using Django REST Framework and React, and developed cross-platform mobile apps with React Native, Stripe payments, and Google Maps integration.…Hi, I’m Jinling Han, a hands-on full-stack developer with expertise in JavaScript, React, Node.js, Git, and RESTful APIs. I enjoy building responsive web and mobile applications, collaborating in cross-functional teams, and quickly adapting to new technologies to deliver robust solutions. In recent projects, I built a bilingual nail-salon appointment system with a bilingual UI, RESTful APIs on a serverless architecture, and automated email confirmations; I also contributed to a Mailchimp-like email marketing integration using Django REST Framework and React, and developed cross-platform mobile apps with React Native, Stripe payments, and Google Maps integration.

Jinling HAN

Full Stack Developer, Web Developer, Front-End Developer, +3

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Hi, I’m Jinling Han, a hands-on full-stack developer with expertise in JavaScript, React, Node.js, Git, and RESTful APIs. I enjoy building responsive web and mobile applications, collaborating in cross-functional teams, and quickly adapting to new technologies to deliver robust solutions. In recent projects, I built a bilingual nail-salon appointment system with a bilingual UI, RESTful APIs on a serverless architecture, and automated email confirmations; I also contributed to a Mailchimp-like email marketing integration using Django REST Framework and React, and developed cross-platform mobile apps with React Native, Stripe payments, and Google Maps integration.…Hi, I’m Jinling Han, a hands-on full-stack developer with expertise in JavaScript, React, Node.js, Git, and RESTful APIs. I enjoy building responsive web and mobile applications, collaborating in cross-functional teams, and quickly adapting to new technologies to deliver robust solutions. In recent projects, I built a bilingual nail-salon appointment system with a bilingual UI, RESTful APIs on a serverless architecture, and automated email confirmations; I also contributed to a Mailchimp-like email marketing integration using Django REST Framework and React, and developed cross-platform mobile apps with React Native, Stripe payments, and Google Maps integration.

Available to hire

Hi, I’m Jinling Han, a hands-on full-stack developer with expertise in JavaScript, React, Node.js, Git, and RESTful APIs. I enjoy building responsive web and mobile applications, collaborating in cross-functional teams, and quickly adapting to new technologies to deliver robust solutions.

In recent projects, I built a bilingual nail-salon appointment system with a bilingual UI, RESTful APIs on a serverless architecture, and automated email confirmations; I also contributed to a Mailchimp-like email marketing integration using Django REST Framework and React, and developed cross-platform mobile apps with React Native, Stripe payments, and Google Maps integration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

C++

Intermediate

Rust

Intermediate

Language

English

Advanced

Chinese

Fluent

Work Experience

Full-stack Developer at HeyU

December 1, 2025 - January 1, 2026

Developed a full-stack appointment booking system for a nail salon, integrating customer booking workflows with admin management, and automated email confirmations. Built bilingual UIs with React for desktop and mobile, implemented RESTful endpoints using Vercel Serverless API with Redis (KV) for data persistence, created reusable components and an admin CRUD panel. Integrated email confirmations with Nodemailer and HTML templates. Deployed on Vercel with high availability and auto-scaling; documented API endpoints and deployment procedures for knowledge transfer.

Full-stack Developer at Mediajira

September 1, 2025 - December 1, 2025

Delivered a Mailchimp-like email marketing integration module for a SaaS advertising platform, enabling agencies to manage email campaigns with Jira-style collaborative workflows. Built a comprehensive drag-and-drop email builder interface using React, Next.js, TypeScript, and Tailwind CSS, featuring undo/redo. Created reusable React hooks and components and integrated API clients using Axios. Designed RESTful APIs using Python and Django REST Framework and authored OpenAPI specifications. Designed backend domain models aligned with Mailchimp API schemas, ensuring extensibility and low-cost future integration. Used PostgreSQL and optimized database queries and ensured user data isolation with proper authentication and authorization. Wrote unit and integration tests using Pytest for backend, ensuring code quality and reliability. Worked in an agile team environment, actively participating in sprint planning, code reviews, and documenting technical solutions on Confluence.

Full-stack Developer at Medijira

September 1, 2025 - December 1, 2025

Developed a Mailchimp-like email marketing integration module for a SaaS advertising platform, enabling agencies to manage email campaigns with Jira-style workflows. Built a drag-and-drop email builder using React, Next.js, TypeScript, and Tailwind CSS; created reusable hooks/components and Axios API clients; designed RESTful APIs using Python and Django REST Framework; authored OpenAPI specs; modeled backend data with PostgreSQL; implemented authentication/authorization; wrote unit and integration tests with Pytest; worked in an agile team with sprint planning and code reviews; documented solutions on Confluence.

Front-End Engineer at Food Delivery Mobile App

May 1, 2025 - August 1, 2025

Collaborated in a 6-member agile team to design and develop three cross-platform (Android and iOS) food delivery mobile applications using React Native and Expo. Built shopping cart with AsyncStorage, implemented merchant product listings with real-time inventory status and order placement, integrated Stripe Payment Sheet API with multiple payment methods and webhooks, developed address auto-complete and map pin-drop delivery using Google Maps API, and connected RESTful APIs for orders, payments, and delivery tracking. Documented technical implementation for project knowledge.