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Christian F.
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Christian F.

iOS App Developer

MY SKILLS: * Platforms: iOS, iPadOS, watchOS, macOS * Languages: Swift, Objective-C, Dart & Flutter * Frameworks: UIKit, SwiftUI, MapKit, CoreLocation, AVKit, StoreKit etc * Databases: Core Data, CoudKit, Realm, Firebase, SQL, ObjectBox, Parse * Other Libraries/frameworks: AWS, AFNetworking/AlamoFire, SDWebImage, Vapour, SnapKit, Sourcery, SwiftGen & more * Source Control: Git, GitHub, Bitbucket. MY EXPERIENCE: * Programming since 2010 * Releasing iOS apps since 2014 * Freelancing on Upwork since 2016 * Top Rated freelancer since 2016 "Top Rated Plus is our way of highlighting freelancers and agencies who consistently perform on large contracts at the highest level." * Expert Vetted since 2023 "Expert-Vetted Talent is the top 1% — pre-screened by our Talent Managers and experts in their field." (this badge is only visible to Enterprise clients). * 100% Job Success Score since 2016 * Clients who would recommend me according to Upwork statistics: 98% * 62 completed contracts, 52 5 star reviews, 3 ~4.50 star reviews, 7 no feedback given * I estimate over 15,000 hours of coding experience creating apps and libraries for clients, my business and for fun * 8 apps published under my own developer account * 40+ apps released or updated for clients MY SERVICES: * Developing New Apps: Bring your ideas to life, whether you have a fully fleshed-out design or just a rough concept. I can work with you from the pre-development stage to app store release and beyond. * Enhancing Existing Apps: Improve your app by fixing bugs and implementing new features. If you're unsure about what needs to be done, I can review the code, identify problem areas, provide a full report and an estimate for you to decide on priorities and budget. * Consulting: Benefit from my expertise to guide you through the development process, ensuring you make informed decisions and achieve your project goals. * AI Generated Code Consultations: If you've been building your own app using AI to generate the code and have gotten stuck or need help, I can review the code and guide you to the next steps. MY WORKING STYLE: * Communication: I maintain clear and open communication for successful collaboration. I'm flexible with using Upwork, Slack, Zoom, Email, Phone, etc., as long as it complies with Upwork's rules. * Architecture: I write modular and S.O.L.I.D. code for better maintainability and reusability. * Unit Testing: I write unit tests to ensure app stability and maintainability, reducing development costs and improving app performance.

🇬🇧Southwick, United Kingdom$100/hr100% JSS4.98 (63)Since May 2015

Earnings and projects

MRR
$80

Last 6 months ÷ 6

World#140,751 / 412k
🇬🇧Country#2,926 / 10.7k
Revenue, last 30 days
$0

Last 6 months: $478

Total earnings
$274k

Billed in all: $276k

World#9,124 / 412k
🇬🇧Country#197 / 10.7k
Per project
$3.8k

$239 in the last 6 months

World#45,123 / 412k
🇬🇧Country#779 / 10.7k
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇬🇧Country#1,969 / 10.7k
Projects in all
72

Across 82 contracts

38% fixed62% hourly
World#41,474 / 412k
🇬🇧Country#1,054 / 10.7k

Earnings, last 30 days

$276kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$270k$275k$280k$285kOct 8Oct 23Nov 7

Skill rankings: Top 19% in Objective-C

Ranked by MRR among everyone on Upwork with the skill.

  1. #12Cocoa Touch62 freelancers · 🇬🇧 #1Top 19%
  2. #18Apple Watch66 freelancers · 🇬🇧 #3Top 27%
  3. #20Fastlane67 freelancers · 🇬🇧 #1Top 30%
  4. #26Core ML61 freelancers · 🇬🇧 #1Top 43%
  5. #33iPadOS106 freelancers · 🇬🇧 #1Top 31%
  6. #57App Marketplace156 freelancers · 🇬🇧 #2Top 37%
  7. #139iPad App Development446 freelancers · 🇬🇧 #2Top 31%
  8. #205Apple Xcode881 freelancers · 🇬🇧 #5Top 23%