👋 Hey there,
It’s Mark Choi.

I have worked with Mark for different projects since 2013 when we started a startup as co-founders. He is very hardworking, responsive, extremely knowledgeable in his fields, and has exceptional coding skills. He will deliver more than what you expect. As a co-worker and even as a lifetime friend, he is a truly great person anybody wants to be around and works with. I highly recommend him!

It is my pleasure to recommend Mark Choi, a driven, highly motivated, and hard-working professional. I've known Mark Choi for over years and had the pleasure of having him as a mentor. He has helped me improve my programming skills, especially in terms of the fundamental approach.

I would like to introduce you to Mark Choi, who was my colleague and a senior backend developer at Sample Assist. Mark has extensive experience and knowledge in various backend technologies, such as Node.js, Firebase, etc. He is always eager to learn new skills and explore new challenges. He has been a great mentor and friend to me and has helped me improve my coding and problem-solving abilities.

I had a coffee chat with Junhyeok Choi (Mark), and it was a truly valuable experience. He shared practical insights on working abroad and career growth as a developer, helping me gain clarity and confidence about the path ahead. What stood out was his thoughtful and sincere approach. He answered my questions with care and offered perspectives I hadn't considered.