Bill V.
FreelancerTop Rated PlusSenior Software Developer SwiftUI | Unity | React | Kotlin | Firebase
Member since 2018 · 100% Job Success
View on Upwork
WorldTop 0.05%
United StatesTop 0.21%
C#Top 0.08%
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$21k
MRR
est. monthly
#189
World rank
of 372,170
$643k
Lifetime earnings
since 2018
101
Total jobs
completed
About
I help startup founders and established businesses launch high-quality iOS, Android, Web, and cross-platform apps fast.
As a senior mobile developer, I’ve shipped dozens of apps using SwiftUI, React Native, React Web, Kotlin, Unity, Firebase, AWS, and Azure, including an AR app for NASA’s Visitor Center at Goddard.
Whether you’re building an MVP, adding features, or integrating with cloud services, I bring solo execution and clean delivery. No bloated teams. No hand-holding required.
Recent and notable work:
• NASA: Unity-based AR app for iOS and Android
• iOS startups: Social and animation-sharing apps
• AI integrations: OpenAI, Hugging Face, RAG, and API workflows
• React Web apps with backend integrations
• AR/VR product visualization tools
• Firebase Functions and Azure cloud apps
• Published apps on App Store and Google Play
Clients hire me for:
• Full app builds from scratch
• Debugging and scaling existing codebases
• Fast turnaround on scoped deliverables
U.S.-based | Rutgers CS graduate (4.0 GPA) | Available for hourly or fixed-scope work
Rankings
Where Bill V. ranks by monthly revenue, worldwide, in United States, and in every Upwork skill it competes in.
World#189 / 372,170Top 0.05%
United States#101 / 48,174Top 0.21%C##6 / 7,175Top 0.08%
Firebase#9 / 7,153Top 0.13%
Mobile App Development#20 / 8,471Top 0.24%
Objective-C#2 / 1,369Top 0.15%
Swift#10 / 4,252Top 0.24%
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Freelancer snapshot
On Upwork since2018
Rating100% Job Success
Skills tracked5
Skills
C#FirebaseMobile App DevelopmentObjective-C
Bill V. works mainly in C#, ranking top 0.08% of freelancers in that skill.
MRR trendSoon
Last 12 weeks
Coming soon
Competitors on the board
Who ranks just above and below by MRR across all freelancers.
This freelancer is #189 of 372,170 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Bill V. earns more than 99.95% of all freelancers we track.
Top 0.05%
among all freelancers we track
$0–$500
32%
$500–$1k
12%
$1k–$2.5k
17%
$2.5k–$5k
13%
$5k–$10k
12%
$10k–$25k
10%
$25k–$50k
3%
$50k+
1%
Bill V.'s bracket · $21k
You32%$0–$500
You12%$500–$1k
You17%$1k–$2.5k
You13%$2.5k–$5k
You12%$5k–$10k
You10%$10k–$25k
You3%$25k–$50k
You1%$50k+
Bill V. earns an estimated $21k/mo. That's 14.4× the typical freelancer and more than 99.95% of everyone we track.
Freelancers with no recent MRR are excluded. Only the 150,997 freelancers with active monthly revenue are ranked here.
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MRR is an estimate from Upwork's public figures - not an Upwork-official number.