Ideas to Reality,
Pixels to Code.
Hello, I'm HJMakes.
I prioritize user experience and create valuable products with clean design and robust code. I enjoy the process of solving complex problems simply and beautifully.
Core Competencies
I continuously learn and grow to keep up with rapidly changing web trends. Here are the main technologies and tools I use.
Frontend Development
Mobile App
UI/UX Design
Backend Basic
Featured Work
Projects I've been focusing on recently.
To minimize learning burden, we set a constraint of 'one word a day'. Through push notifications and spaced repetition, we encourage natural memorization and improve usability with smooth animations and clean UI.
Developed frontend for a business support system using React and Material UI. Implemented CRUD operations, search/filtering, PDF generation, schedule management, inventory management, and WebSocket-based real-time chat functionality.
Developed frontend for e-commerce site and mobile app using React and React Native. Implemented subscription functionality, payment integration (Amazon Pay/PayPay/Google Pay/Apple Pay), state management refactoring from Redux to React Query and Zustand, and admin QR code coupon issuance functionality.
Managed entire process from requirements definition to design, iOS/Android app development, and release as a solo developer. Implemented SNS features (chat and image posting), Stripe-based online shop, and region-linked SOS notification functionality.
Developed backend using NestJS and Prisma. Implemented login/registration, Stripe payments, inquiry handling and welcome email on payment completion, company-based user management, and floor plan data CRUD functionality. Designed AWS environment setup, deployment, and concurrent login device restriction (max 3 devices).
Developed frontend using Next.js. Managed entire process from requirements gathering to structure design and data design as a solo developer. Implemented homepage, service introduction, construction case studies, company introduction, review display, and inquiry forms. Applied SEO-optimized design and responsive layout.
Experience
Through experiences in various environments,
I've developed problem-solving skills and collaboration abilities.
System Engineer
April 2024 - PresentWONQ Inc.
Worked as a system engineer in the System Development Department, responsible for both frontend and backend development. Utilized tech stacks including React, React Native, Next.js, NestJS, and Prisma to handle a total of 7 projects. Experience managing entire development lifecycle from requirements definition to design, implementation, testing, and release as a solo developer. Currently managing 4 ongoing projects.
Key Projects:
• Business support system development and operation (Frontend)
• E-commerce site and mobile app maintenance
• Real estate land division system development (Backend)
• Construction company corporate website planning and development (Full-stack, solo)
• Twin parents community app planning and development (Full-stack, solo)