Services
Hire me for the whole thing, or the part that hurts
Level 2 seller on Fiverr, rated 4.9 across 66 reviews and 93 orders over 5 years. Prices are Fiverr starting prices; gigs without one are quoted per order.
from $295Mobile app development for iOS and Android
A complete cross-platform app from one codebase: iOS and Android, with the backend, auth and push wired in. Same stack I ship TrackerMax and Spectoria on.
- Flutter app for iOS and Android from a single codebase
- Firebase backend: auth, Firestore, storage, push
- Clean state management and release-ready builds
FlutterDartFirebaseGetX
from $345AI mobile app or website with ChatGPT or Claude
AI features built for production: streaming responses, usage metering, and provider keys kept on a server.
- AI chat, generation or analysis features in your app or site
- Server-side proxy so provider keys never ship to devices
- Credit or subscription metering if the feature costs money to run
FlutterNext.jsClaudeOpenAIGemini
AI chatbot or AI agent for your business
A chatbot grounded on your docs and data, with handoff to a person when it should stop talking.
- Chatbot or agent grounded on your content
- Web widget, WhatsApp or in-app integration
- Admin view of conversations and quality
ClaudeOpenAINode.jsFirebase
AI voice agent or receptionist
Phone and voice agents on Vapi, Retell or custom code. I have shipped real-time voice in production, latency budgets and barge-in included.
- Voice agent that answers, books and routes calls
- Vapi or Retell setup, or a custom WebSocket pipeline
- Call logs and transfer rules you control
VapiRetellWebSocketsNode.js
Stripe, RevenueCat or Polar payments and subscriptions
Subscriptions with entitlements, webhooks and refunds handled. On Spectoria I run Stripe and RevenueCat billing into one ledger.
- In-app purchases and subscriptions that pass review
- Idempotent webhooks, so nothing is credited twice
- Paywall UI and entitlement gating
StripeRevenueCatPolarFirebase
from $65Publish your app to the Play Store and App Store
Signing, listings, privacy declarations and review notes for both stores. I have shipped my own apps and client apps through both.
- Signed builds uploaded to both stores
- Store listings, screenshots and privacy forms
- Rejection handling until it is live
App StorePlay StoreXcodeFastlane
from $125Fix bugs, crashes and errors fast
Send the crash log or the broken screen. I fix the root cause and tell you what went wrong.
- Root-cause fix with a short write-up
- Crash and error triage from Crashlytics or Sentry
- Regression check before handover
FlutterFirebaseCrashlyticsSentry
Fix and clean your Cursor, Claude or Lovable app
I untangle the state, remove dead code and leave a codebase another developer can maintain.
- Audit of what the AI built
- Refactor of the parts that will break next
- Code your next developer can pick up
FlutterNext.jsTypeScriptFirebase
Bigger than a gig? Retainers and direct contracts happen over email. I was Head of Engineering on contract for a Hong Kong team.
Reviews
What clients wrote on Fiverr
4.9 out of 5 across 66 reviews: 64 five-star, 2 four-star. One client in Japan has left 9 reviews and one in Qatar 8.
Aqib is a fantastic Flutter developer with a friendly touch. His skills in both coding and communication shine through, ensuring projects are not just completed on time but with great collaboration. A true gem in the development world, Aqib makes any project a delightful experience. Highly recommended!
A top notch job and really quick on time as usual, very recommended!
5xdang3rQatar$100-$200 · 3 days Aqib helped to develop cross-platform flutter App from scratch. He's very talented with deep understanding of Flutter system. He doesn't shy away from the things he don't know, he learns and get it done with exceptional results rather than avoiding it and resulting some mediocre results. I can confidently refer him to anyone looking to develop an App.
5aqueelaSingapore$100-$200 · 2 days Great work! We will keep working together!
5mati_weissJapan$1,000-$2,500 · 3 weeks He was very helpful and very patient. He helped me a lot with user authentication and delivered a bug free fix
5ndhilanisimbineUnited States$200-$400 · 4 days Hazproductions has been very responsive in communication and provides good ideas to improve my app design as well. He is also skilled in communicating technical details and is a joy to work with.
5hortihomeSingapore$200-$400 Aqib truly shines in his work! His professionalism and meticulous attention to detail exceeded expectations.
5xdang3rQatar$200-$400 · 5 days hazproductions communicated well and delivered the product. always responsive and with an open mind to deliver a solution. I would recommend them to anyone.
5erolemedJapan$100-$200 Professional, clear and competent.
5carlamblnCanada$200-$400 · 3 days Solid work. Flutter, Firestore knowledge was very helpful.
5richdfrmnUnited States$50
Communication 4.9 · Quality 5 · Value 5, as rated on Fiverr