Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix firebase auth and sdk errors in flutter apps
Flutter Developer,Firebase Expert,AI Integration,Mobile App Expert
Hi, I’m Oğuzhan Özdemir – a Flutter Developer with 4+ years of experience. I specialize in Firebase-powered mobile apps, from Auth and Firestore to Functions and Crashlytics. I’ve built complete solut...
About this Gig
Struggling with endless Firebase Auth failed pop-ups or App Store policy warnings?
Im a senior Flutter developer whos rescued 40-plus apps from Firebase chaos. Ill dive straight into your code, nail the root cause, and deliver a clean, build-ready projectso you can ship without delays.
What I fix
- Auth loops, missing API keys, SHA-1 mismatches
- Firestore/Storage rule errors, analytics or billing init failures
- iOS Privacy Manifest & Google Play Data-Safety mismatches
How it works
- Send a minimal repo or ZIP + the exact error or rejection notice.
- I replicate & patchupdating configs and console settings.
- You receive fixed code, a brief change log, and a step-by-step checklist.
- Need more? Premium package keeps me on call until App Store & Google Play approval.
Why choose me?
4 years Flutter + Firebase expertise
Fast turnaround, clear communication
Confidential handlingNDA on request
Stop losing release cycles to cryptic Firebase errorsorder now and get your app back on track!
My Portfolio
Other Mobile App Maintenance Services I Offer
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T 
tulparnehir
Repeat Client
Germany
I am extremely satisfied with the performance and results delivered by Oguz. His work was absolutely outstanding. Our previous developers had left the app with numerous bugs and even self-inflicted issues that remained unresolved for several months. Oguz managed to identify and fix all of these problems...
4 days
Duration
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T tulparnehir
Repeat Client
Germany
I am extremely satisfied with the performance and results delivered by Oguz. His work was absolutely outstanding. Our previous developers had left the app with numerous bugs and even self-inflicted issues that remained unresolved for several months. Oguz managed to identify and fix all of these problems...
4 days
Duration
Helpful?
