Freelance Web Developer

Lee Guk-BeomFrom planning to deployment

I am a freelance developer handling the full journey of web services — planning, development, and deployment.

Lee Guk-Beom

Projects

Work History

E-commerce Admin Dashboard

Built a storefront back office that manages orders, inventory, and settlements in one screen.

ReactNode.js

Real-time Reservation System

Developed a reservation web app supporting seat/time-slot booking with notifications.

TypeScriptPostgreSQL

Startup MVP Web Service

Co-designed an idea-validation MVP from the planning stage and launched it in 6 weeks.

TanStack StartPrisma

Payment Gateway Integration Module

Stably integrated a domestic PG payment and refund flow into an existing service.

Payment APINode.js

Internal Data Dashboard

Visualized scattered operational metrics to speed up decision-making.

ReactCharts

Portfolio & Landing Pages

Delivered numerous responsive landing pages for personal and corporate brands.

ResponsiveSEO

Trusted Reviews

Reviews from Clients

4.96 / 5 · 25 reviews

He's incredibly meticulous, checking every single detail as he works~~ Even the parts that were lacking, he handled well through smooth communication~!! I'll definitely come back for more development work next time~!! Thank you :)

콩*****

Next.js 15 & React frontend

He was really fast and thorough, taking great care of everything. If I have another project, I definitely want to work with him again.

검*****

Next.js 15 & React frontend

He asked about details I hadn't even thought of, so I've been very satisfied with the work so far :) If you're looking for a true expert, I can strongly recommend him! I expect I'll have more requests down the road, so I look forward to working with him again :)

콩*****

Next.js 15 & React frontend

Thank you for the professional handling and progress on the work.

단*****

Next.js 15 & React frontend

Prompt response, flawless skills, and even follow-up support afterward — I was extremely satisfied!!

두*****

Next.js 15 & React frontend

I made a last-minute request and he handled it wonderfully. He even asked about details that weren't in the spec, so nothing was missed during development. The source code was clean and the final result was clean too !!! I'll be requesting his work again. Thank you~

밝*****

Next.js 14 & React frontend

Great consultation, very good experience.

신*****

Next.js 14 & React frontend

It was a tight schedule, but he paid close attention and delivered clean work.

COE

2024-style React/TypeScript frontend

To deliver the desired result quickly, he even reached out to other vendors to resolve issues — it was very reassuring to see. Wishing him continued success.

다*****

React, Next.js & TypeScript frontend

* Same project as above.

따*****

React, Next.js & TypeScript frontend

[Genuine, paid-for review] We had been struggling with a lot of difficulties, but thanks to this developer we were able to build things quickly. Before paying, I asked a ton of questions and he answered them all kindly, and even after payment he kept working fast. Communication was so quick that everything went smoothly. And above all, he was incredibly kind.. Since this was our first time outsourcing, we kept adding extra requests along the way, but he still handled everything quickly. This is the first time I've written such a detailed review — that's how satisfied and grateful I was. Thank you for all your hard work :)

따*****

React, Next.js & TypeScript frontend

Thank you again for the fast and accurate work. He has real discipline in how he works, so I could trust him and ask questions freely. I'm already planning a few follow-up tasks.

빠*****

React, Next.js & TypeScript frontend

He consulted with me in detail over a long period, and even though it was a tricky project, he implemented exactly what I wanted. The best~!!!

매*****

React, Next.js & TypeScript frontend

He checked and handled everything as proactively as if it were his own project, which was very satisfying. That's why I hired him again for the next project :)

K29*****

React, Next.js & TypeScript frontend

Fast feedback, and excellent both in problem-solving ability and speed. Thank you.

시*****

Next.js 15 & React frontend

Thanks for all your hard work!

sma*****

React, Next.js & TypeScript frontend

He communicated with me in real time throughout and worked kindly! I feel like you can trust him with your project~ I'd definitely consider hiring him again haha

공*****

React, Next.js & TypeScript frontend

Thank you so much for the fast and accurate work. It's a shame the rating only goes up to 5 stars. He used Notion to make giving feedback during the work efficient, and above all, the speed at which feedback was reflected was amazing. If I have work to do again, I definitely want to ask him again. Thank you!

jin*****

React 18.2 + TypeScript 5

Thank you so much for handling it so quickly.

평*****

React & Next.js frontend development

Seriously fast turnaround, wow.

평*****

Next.js 15 & React frontend

I made an urgent request and he handled it quickly. His skills are excellent and his understanding of code is great. If anyone else needs React-related work, I'd recommend leaving it to him.

평*****

React & Next.js frontend development

I requested some additional work, and he resolved it well.

sep*****

React & Next.js frontend development

It was a challenging project, but he implemented it well. He reflected feedback right away and explained things clearly, so everything proceeded smoothly without much trouble. Thank you for the work.

sep*****

React & Next.js frontend development

Thank you for taking care of it so quickly.

sim*****

React & Next.js frontend development

He did clean, solid work!

덕*****

Next.js 15 & React frontend

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