Kenji P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 7, 2026.

Expert Android and iOS developer (Kotlin | Swift | Flutter)

Skilled professional with over 10 years of experience in creating high-quality mobile apps for iOS and Android platforms. Expert in Swift, Kotlin, Dart, Java, Objective-C, and Golang. I am a product guy who could join in all phases of mobile development, including UI/UX design, backend API (Go & Node.js), mobile app implementation, and publishing to the store. With my technical background and expertise, I can bring your ideas to life. Please don't hesitate to contact me if you have any questions or would like to discuss your project further. Let's collaborate and create something amazing together. Kenji

🇻🇳Ho Chi Minh City, Vietnam$40/hr100% JSS4.99 (52)Since Apr 2013

Earnings and projects

MRR (estimate)

≈ $10,827≈$11k

An estimate from an earlier read

#1,062 / 412,022 / 412k

🇻🇳#7 / 3,463 / 3,463

Revenue, last 30 days

——

Read daily since Nov 2, under 30 days

Total earnings

$453,443$453k

Billed in all: $474,033$474k

#3,425 / 412,022 / 412k

🇻🇳#28 / 3,463 / 3,463

Per project

$6,572$6.6k

$8.1k in the last 6 months

#26,123 / 412,022 / 412k

🇻🇳#168 / 3,463 / 3,463

Projects, last 6 months

50% fixed50% hourly

#24,499 / 412,022 / 412k

🇻🇳#328 / 3,463 / 3,463

Projects in all

Across 79 contracts

48% fixed52% hourly

#43,515 / 412,022 / 412k

🇻🇳#340 / 3,463 / 3,463

$474k+$2.4k earned since Nov 1Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch

Read once a week before Nov 2, 2026, daily since. Dotted: longer than usual between two readings.

Skill rankings: #1 in 1 skill of 15

Rarest: top 0.35% in Firebase Cloud Firestore, of 869. Ranked by MRR among everyone on Upwork with the skill.

Fastlane67 freelancers · 🇻🇳 #1Top 1%🇻🇳#1 of 4
Firebase Cloud Firestore869 freelancers · 🇻🇳 #1Top 0.35%🇻🇳#1 of 17
AWS Amplify524 freelancers · 🇻🇳 #2Top 0.57%🇻🇳#2 of 7
#4FlutterFlow834 freelancers · 🇻🇳 #1Top 0.48%🇻🇳#1 of 7
#5AWS IoT Core192 freelancers · 🇻🇳 #1Top 3%🇻🇳#1 of 5
#6WebRTC468 freelancers · 🇻🇳 #1Top 1%🇻🇳#1 of 12
#7Jenkins1,177 freelancers · 🇻🇳 #1Top 0.59%🇻🇳#1 of 26
#11Kotlin3,021 freelancers · 🇻🇳 #1Top 0.36%🇻🇳#1 of 64

Kenji P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 7, 2026.

Earnings and projects

Earnings, last 30 days