j
john_smartn

John S

@john_smartn

YOU FOUND ME DONT WASTE TIME AND RESOURCE SEARCHING ELSEWHERE!

United Kingdom
Spanish, French, English, Swedish, German, Dutch, Italian, Arabic, Portuguese
About me
Hi, I’m John. I’m a professional mobile app developer specializing in iOS and Android app design, development, and deployment. I build high-performance, user-friendly, and scalable mobile applications tailored to startups and businesses across industries. From concept and UI/UX design to launch and App Store & Google Play optimization, I ensure seamless functionality and growth-focused results. Need a custom app or ASO expert? Let’s bring your vision to life message me today! 🚀... Read more

Skills

j
john_smartn
John S
Offline • 
Average response time: 6 hours

See my services

Cross-Platform Development
I will develop custom ai guitar app, music learning app on android ios, webapp creation
From$300 / projectMore details
Development & MVP
I will migrate, clone lovable to wordpress, lovable ai, lovable dev, supabase, cloud
From$45 / projectMore details

Portfolio

Work experience

Fiverr

Expert Website & Mobile App Developer

Fiverr • Freelance

Aug 2022 - Present • 3 yrs 9 mos

As an Expert Website and Mobile App Developer, I design and develop high-performance, user-focused websites and applications for startups, entrepreneurs, and established businesses. I specialize in building scalable digital solutions that combine clean design, strong functionality, and optimized performance. Over the years, I have developed custom websites using WordPress, Shopify, and modern front-end technologies, ensuring responsive, mobile-first designs and seamless user experiences. I also build web applications and mobile apps with secure backend integration, API connections, database management, and cloud deployment. My experience includes UI/UX implementation from Figma designs, e-commerce integrations, payment gateway setup, automation systems, CRM integrations, and performance optimization. I focus on speed, security, SEO best practices, and conversion-driven design. I have successfully delivered projects across industries including e-commerce, real estate, education, tech startups, and service-based businesses helping clients increase traffic, improve engagement, and scale their digital presence.