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$
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Umar
@umar_dev9
Level 2
Senior Mobile App Developer
Pakistan
English, Urdu
About me
Senior Software Engineer & Automation Specialist with 5+ years building production-grade software, mobile apps, and SaaS platforms. Delivered 15+ published apps specializing in Flutter, n8n automation, AI agents, API integrations, and scalable business solutions.
✓ Clean, scalable Flutter code ✓ BLE & IoT integrations ✓ Firebase, Maps, payments & social login ✓ App Store & Play Store publishing ✓ AI-powered automation & workflow design
Proven track record taking products from idea to launch — helping businesses save time, cut manual work, and boost productivity. Let's build something great!
Skills
Umar
Offline •
Average response time: 1 hour
See my services
Cross-Platform Development
I will develop iot app using ble flutter, esp32, firebase, mqtt
AI Integrations
I will build n8n automation workflows with ai agents and API integrations
Portfolio
Work experience
Flutter Developer & Team Lead
Freelance / Fiverr • Full-time
Jan 2024 - Present • 2 yrs 7 mos
Worked as a Flutter Developer and Team Lead with 4+ years of experience building scalable, high-performance mobile applications for Android and iOS. Led end-to-end mobile app development including requirement analysis, architecture design, task distribution, code reviews, and mentoring developers to ensure timely and high-quality delivery. Developed and integrated Flutter applications with IoT devices, particularly ESP32, enabling real-time data communication, device control, and monitoring using REST APIs, Bluetooth, and Wi-Fi. Collaborated with clients to understand business needs, delivered clean and maintainable code, and ensured smooth deployment and post-launch support.
29 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 29 Reviews
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puttawaygolf
United Kingdom
Incredible work at a very affordable price point! I will work with this developer in future projects due to professionalism, speed of work, quality and low price. Thanks again Umar.
Seller's Response
Helpful?
allsightmedia
United States
Ongoing collaboration
Helpful?
jaymontana867
United States
Ongoing collaboration
Helpful?
timomichiels903
Netherlands
Ongoing collaboration
Umar did a great job once again! He updated my app with a new function quickly and professionally. He’s reliable, easy to work with, and always delivers quality work. Definitely my go-to person for app help. I’ll definitely be back for more work in the future!
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vijayalmeida
United States
Ongoing collaboration
Helpful?
