Upwork home
Sign up
Project Catalog
DesignDesign
Video & AudioVideo & Audio
Development & ITDevelopment & IT
MarketingMarketing
Writing & TranslationWriting & Translation
MoreMore

You will get Flutter App Developer | Cross platform App Developer | Flutter Developer

Waleed B.Status: Offline
Waleed B. Waleed B.
4.5
Preview image

Let a pro handle the details

Buy Custom Mobile Apps services from Waleed, priced and ready to go.
Waleed B.Status: Offline
Waleed B. Waleed B.
4.5
Preview image

Let a pro handle the details

Buy Custom Mobile Apps services from Waleed, priced and ready to go.

Project details

I am a dedicated mobile app developer specializing in iOS, Android, Flutter, and React Native platforms. With a knack for creating seamless and innovative applications, I am proficient in multiple programming languages. I stay at the forefront of technology trends in the dynamic mobile landscape. My expertise lies in transforming creative concepts into functional and user-friendly experiences, optimizing performance, and delivering captivating solutions across platforms.

 • Professional cross-platform (Android and iOS)
 • Swift UI iOS
 • Redux / Context API
 • Node / ExpressJs
 • RAG ai mobile app
 • Google Firebase
 • Custom mobile app development
 • Hybrid apps • Android apps
 • iOS apps • Hybrid apps
 • React Native, React Hooks, etc.
 • Generative AI Apps
 • ChatGPT
 • Chatbots AI

We can create mobile apps for:

 • Doctor Appointment Booking App
 • Dating mobile app
 • Event booking mobile app
 • Ecommerce mobile App
 • Exercise mobile app
 • Food Delivery Mobile App
 • Taxi Booking App
 • Liquor Delivery App
 • Medicine Delivery App
 • Pizza Delivery App
 • Grocery Delivery App
 • Meat Delivery App
 • Travel mobile app
Platform
Android
App Type
Hybrid App
Development Technology
Flutter, Java, Kotlin
App Purpose
Chat, Finance, Education, Health & Fitness, Kids, Medical, Music, Restaurant, Shopping, Social Networking
Expertise
Cross Browser & Device Compatibility, Design, Performance Optimization
What's included
Service Tiers Starter
$999
Standard
$1,800
Advanced
$2,700
Delivery Time 20 days 30 days 45 days
Number of Revisions
UnlimitedUnlimitedUnlimited
Number of Mobile Operating Systems
222
App Store Upload
App Icon Design
Splash Screen
Ad Network Integration
Source Code
4.5
6 reviews
67% Complete
(4)
17% Complete
(1)
17% Complete
(1)
1% Complete
(0)
1% Complete
(0)

YH

Younes H.
5.00
Mar 14, 2025
Backend Development for SaaS

BL

Baohai L.
4.40
Apr 28, 2024
.NET and react developer needed.

MG

Milan G.
5.00
Jan 28, 2024
.Net Core Web API Microservices Waleed worked on a complex web API project developing solutions integrated with Dynamics 365 data. He provided expert and professional development and was a key success factor for the team. We highly recommend him for future projects.

PP

Patrick P.
5.00
Dec 15, 2023
Senior .NET Architect (Team Lead)

MG

Milan G.
5.00
Feb 1, 2023
.Net Core Web API Microservices Waleed joined our team to work as a microservices web API developer building complex APIs using .Net Core with Repository pattern and clean architecture model. He ramped up quickly on the project and was one of our most valuable developers. We highly recommend him for future projects.
Waleed B.Status: Offline

About Waleed

Waleed B.Status: Offline
Senior .NET 8 Backend Engineer | Microservices | Azure | AWS | C#
4.5  (6 reviews)
Shekhupura, Pakistan - 3:42 am local time
Are you looking for a backend engineer who can take your distributed system from 4-second API calls to under 2.5 seconds — and keep it there?

I'm Waleed, a Senior .NET 8 Backend Engineer with 10+ years building scalable microservices for fintech, e-commerce, and SaaS platforms. I've worked remotely with teams in the US and Singapore — so I know how to deliver without hand-holding.

What I bring to your project:
→ Cut API latency by 25% at Fujitsu, sustaining 99.9% SLA across enterprise systems
→ Reduced release cycles by 40% at Supersafe using GitHub Actions + Docker CI/CD
→ Built a platform processing 10,000+ daily orders at CrunchCraft
→ Mentored 5+ engineers while maintaining zero critical defects in production

Tech I work with daily: .NET 8 · C# · ASP.NET Core · PostgreSQL · Azure (Event Hubs, Service Bus, APIM) · AWS (Lambda, SQS, S3) · Microservices · CQRS · Docker · Redis

If your backend needs to scale reliably — let's talk.

Steps for completing your project

After purchasing the project, send requirements so Waleed can start the project.

Delivery time starts when Waleed receives requirements from you.

Waleed works on your project following the steps below.

Revisions may occur after the delivery date.

Requirements

After purchasing the project, send requirements so Amit can start the project. Delivery time starts when Amit receives requirements from you.

Revisions and testing

I works on your project following the steps below. Revisions may occur after the delivery date. I will test the complete application before submitting it to the client.

Review the work, release payment, and leave feedback to Waleed.