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Mark
@metholyn
Level 2
Full Stack Web Developer, Chatbot Developer
Ukraine
Russe, Ukrainien, Anglais, Allemand
À propos de moi
Hi, I’m Mark — a certified full-stack developer with 3+ years of experience building high-performance websites, mobile apps, and automation bots using modern tech. I guarantee clean code, fast communication, and 100% satisfaction. Message me to discuss your project!
Compétences
Mark
15 $US/heure
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Sites Web personnalisés
I will develop a custom website
Chatbots réglementés
I will develop a custom telegram bot
Vous souhaitez travailler sur une base horaire ?
Dites à Mark ce dont vous avez besoin.
15 $US
/
heurePortfolio
Expérience professionnelle
Full Stack Developer
Upwork • Freelance
Aug 2022 - Present • 4 yrs
• Led end-to-end development of custom web applications, mobile apps, and Telegram bots — from system architecture to deployment and support. • Built scalable full-stack applications using Next.js, React, Node.js, and Supabase/PostgreSQL. • Developed custom APIs, CRM integrations, payment systems, and automation tools for international clients. • Designed high-availability backend microservices and databases with Prisma ORM and Docker. • Maintained high client satisfaction through clear communication, agile delivery, and reliable post-launch support.
27 Avis
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Détails de la notation
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1 à 5 avis sur 27
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Les plus pertinents
funone32
Canada
Collaboration en cours
Another absolutely fantastic experience with Mark. This time a massive upgrade to the already amazing website he developed for us before and the functionality, and the final result was far better then anticipated. Mark really gets it!
Utile?
kristopherathey
États-Unis
Collaboration en cours
Wow. All I have to say is I am INCREDIBLY impressed. Mark went above and beyond in every sense of the way. When I presented him my concept, he presented me back a demo that was significantly more polished and professional. He accommodated every single change I requested and executed my design perfectly....
Utile?
funone32
Canada
Collaboration en cours
This was an emergency project due to a server issue with the host. Mark jumped on the issue right away and in record time, got the website back up and running perfectly! Excellence and quality! Cant be more grateful!
Utile?
alecdaviess
Royaume-Uni
Mark was very easy to work with - great attitude he got on with the work and listened to all my requests and delivered them. Communication is good, and delivery is nice and quick and passive. The code was great - got the idea out of my head straight away
Utile?
sibugjoshua
Philippines
Mark was so easy to work with. It didnt even take him 5 days to complete. It was only over 2 days and the project was completed. I even requested for additional changes and he happily worked on those. I will be working with Mark more.
Utile?
