Building meaningful mobile and web experiences that connect technology and imagination
Hi, I’m Tverdokhlib Kostiantyn Anatoliiovych, a Ukrainian developer passionate about creating intuitive mobile apps and modern websites that inspire, educate, and connect people.
I turn concepts into digital experiences — fast, elegant, and meaningful.
📍 Based in Zhmerynka, Vinnytsia region, Ukraine
📧 [email protected]
What I Do
📱 Mobile App Development
From idea to Play Store — I design and develop Android and iOS apps with a focus on speed, clean UI, and delightful user experience.
🌐 Website Development
Multiple Style Variations to give a completely different look and feel to your site.
🔍 SEO & Digital Growth
I optimize websites for search engines and people — improving visibility, speed, and structure to attract organic traffic and grow your online presence.
Projects
Night Stories — Mobile App
A bedtime story app designed to help children relax and dream peacefully.
Includes illustrated tales, audio narration, and gentle background sounds.
Dobrakazka.com.ua — Fairy Tales in Ukrainian
An online platform for reading and listening to Ukrainian fairy tales for free.
Created to preserve language, culture, and childhood wonder — offering text & audio stories, categorized by age and theme.
Built on WordPress, optimized for speed, SEO, and accessibility.
Morning Greetings Platform
DobroHoranku.com.ua is a daily greeting hub that delivers uplifting morning images, wishes, and poems in Ukrainian. It offers a growing gallery of cards and verses to start someone’s day with warmth and positivity.
My Weaning – Your Companion for Baby-Led Weaning
My Weaning helps parents confidently track their baby’s baby-led weaning journey by logging meals, custom foods, and reactions in one easy place. Intuitive guidance, daily insights, and support smarter feeding decisions every day.
“…The website turned out modern, responsive, and perfectly optimized. Communication was smooth, and every detail was handled with care — a great experience overall….”
Anna P.
“…Working with Kostiantyn was effortless — he understood the vision from the very first meeting and delivered a fast, clean, and professional result. His attention to detail and technical precision make him stand out….”
Oleh M.
“…Our website’s traffic grew significantly after the SEO optimization. The structure, speed, and keyword work were done professionally, resulting in much better visibility on Google….”
Marina D.
Get in Touch
Have a question, idea, or collaboration proposal?
I’d love to hear from you! Whether you have feedback, business inquiries, or creative suggestions — feel free to reach out.
📧 Email: [email protected]
Or simply fill out the contact form below — I’ll get back to you as soon as possible.