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Lester J
@joshlestertech
App Developer and AI Automation Expert
Spain
English
About me
Hi! I’m a Full-Stack App Developer specializing in AI Automation. I bridge the gap between stunning, high-performance mobile/web apps and cutting-edge artificial intelligence.
What I Do:
App Dev: Flutter, React Native, iOS, Android, Node.js, Firebase.
AI & Automation: OpenAI (GPT-4), Claude, Make.com, Zapier, Custom Chatbots & Workflows.
Whether you need a custom app built from scratch or want to supercharge your business by automating manual tasks with AI, I deliver fast, scalable, and smart results. Let's collaborate!
Skills
Lester J
Offline •
Average response time: 1 hour
See my services
Cross-Platform Development
I will build social chat app dating app chat app social media app video chat app
Cross-Platform Development
I will develop ai agritech app with marketplace, livestock and farm tracking management
Work experience
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Fiverr
Freelance • 2 yrs 7 mos
Mobile App Development
Feb 2025 - Present • 1 yr 5 mos
I'm working here as a mobile app developer, developing new app and handling maintenance and fixing bugs
UI/UX EXPERT
Aug 2024 - Oct 2025 • 1 yr 2 mos
I was the an intern working here as a UI/UX expert, handling UI update and maintenance.
2 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-2 out of 2 Reviews
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Most relevant
jerrykendrabras
Repeat Client
South Africa
I’m really impressed with the app UI design. Josh delivered an outstanding app UI design that perfectly matched our brand and user needs. Their attention to detail, creativity, and responsiveness made the process effortless. Excellent work from start to finish.
Helpful?
jerrykendrabras
Repeat Client
South Africa
Great designer! Fast delivery, creative ideas, and very easy to work with. The app UI looks perfect, exactly what I wanted.
Helpful?
