Mobile Application Developer

Transforming Ideas into Scalable, Intelligent, and Seamless User Experiences

Hi! I'm Walid, a Lead Mobile Application Developer at INU - Innovative University of applied sciences and Founder of Berlin Artwalk.

Specializing in Flutter development with over 4 Years of experience in building cross-platform mobile applications.

Walid Islam

Walid Islam

Mobile Application Developer at INU | Founder @ Berlin Artwalk

Berlin, Germany

Flutter ExpertMobile DevelopmentOpen to Opportunities

Scroll to explore

Tech Stack

Technologies and tools I work with

Flutter

Cross-platform Apps

iOS

iOS development

Android

Android development

VS Code

Primary code editor

Android Studio

Android development IDE

Laravel

Backend development

Vue.js

Frontend development

Next.js

React framework

WordPress

WordPress development

woocommerce

woocommerce Integration

AI/ML

AI/ML Integration

Work Experience

My professional journey and contributions to various organizations

INU - Innovative University of applied sciences

Mobile Application Developer

INU - Innovative University of applied sciences

Cologne, North Rhine-Westphalia, Germany
Sep 2023 - Present
Full-time
Remote
1 yr 7 mos

Leading mobile application development initiatives and implementing cross-platform solutions using Flutter.

Mobile Application DevelopmentFlutterMobile ApplicationsREST APIsDartVue.jsLaravel
core sensing GmbH

Mobile Application Developer

core sensing GmbH

Darmstadt, Hesse, Germany
Jul 2023 - Sep 2023
Full-time
Remote
3 mos

Developed and maintained mobile applications for sensor data visualization and analysis.

Mobile Application DevelopmentBLE (Bluetooth Low Energy)Dart
Complori (ehemals codary)

Mobile Application Developer

Complori (ehemals codary)

Berlin, Germany
Jan 2023 - Jun 2023
Full-time
Hybrid
6 mos

Cross-platform mobile application development using Flutter and Firebase.

Cloud FirestoreMobile Application DevelopmentCross-platform DevelopmentREST APIsFirebaseAndroid DevelopmentDartFlutter
Shoppium

Mobile Application Developer

Shoppium

Remote
Jan 2021 - Jan 2023
Full-time
Remote
2 yrs 1 mo

Developed and maintained the Shoppium e-commerce mobile application.

Cloud FirestoreOne Signal NotificationMobile Application DevelopmentREST APIsDartFlutter
2degrees

Customer Support Analyst

2degrees

Auckland, New Zealand
Nov 2019 - Nov 2020
Full-time
On-site
1 yr 1 mo

Provided technical, billing, and provisioning support to 2degrees Consumer, Business, and Broadband customers using knowledge of Telecommunications network, OSS, and BSS system.

Process AutomationIT Service ManagementRobotic Process Automation (RPA)TelecommunicationsITILTechnical Support
Accordo Group Ltd.

Software Asset Management Consultant

Accordo Group Ltd.

Auckland, New Zealand
Oct 2018 - Jul 2019
Full-time
On-site
10 mos

Assisted Microsoft SMB customers to manage license compliance and software maintenance programs. Administered Microsoft license compliance review for South Africa SMBs on behalf of Microsoft South Africa SAM & C.

Software Asset ManagementMicrosoft LicensingCompliance

Recent Projects

Explore my latest work showcasing mobile development expertise and innovative solutions

Berlin Artwalk - Image 1
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Berlin Artwalk

A mobile app for discovering and exploring Berlin's art scene. Features include interactive maps, artist profiles, and event tracking.

FlutterFirebaseGoogle MapsREST API
Berlin ArtWalk - Discover Berlin's Street Art | Product Hunt
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Medical Hive

A comprehensive medical exam study prep app for medical students with interactive quizzes and progress tracking.

FlutterFirebaseBloc/CubitCloud Functions
Berlin Buzz - Image 1
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Berlin Buzz

A Berlin-based blog app for food, events, and local experiences with real-time updates and social features.

FlutterLaravelNext.jsFirebase
Shoppium - Image 1
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Shoppium - Image 3
Shoppium - Image 4
Shoppium - Image 5
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Shoppium

An e-commerce platform with advanced shopping features, real-time updates, and seamless payment integration.

FlutterFirebaseCloud FirestorePayment Integration
Wordzzle - Image 1
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Wordzzle

An engaging word puzzle game with unique gameplay mechanics and social features.

FlutterHive DBOneSignalCustom Animations
I'm very flexible with time zone communications
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Tech enthusiast with a passion for development.
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Currently Transforming amazing ideas into reality
Do you want to start a project together?

Freelance Services

Available for freelance mobile app development projects. Let's bring your ideas to life with cutting-edge Flutter solutions.

Why Choose Me?

Expert Flutter Developer

Over 4 Years of experience in building production-ready Flutter applications.

End-to-End Solutions

From concept to deployment, handling all aspects of mobile app development.

Quality & Performance

Delivering high-performance, maintainable, and scalable mobile solutions.

Flexible Engagement

Available for full-time, part-time, or project-based collaborations.

What Can I Do For You?

Custom App Development

Building tailored mobile applications using Flutter and modern development practices.

App Maintenance

Providing ongoing support, updates, and maintenance for existing mobile applications.

Backend Integration

Implementing and integrating backend services, APIs, and databases.

App Architecture

Designing scalable and maintainable mobile app architectures.

UI/UX Design

Creating beautiful, intuitive user interfaces with smooth animations.

Code Review

Providing expert code reviews and optimization recommendations.

App Publishing

Managing app deployment to Google Play Store and Apple App Store.

Performance Optimization

Optimizing app performance, loading times, and resource usage.

Technical Consulting

Providing expert advice on mobile app development strategies.

Development Stack

Frontend Development

Flutter, Dart, Material Design, Custom Widgets, State Management (Bloc, Provider, Riverpod)

Backend & Services

Firebase, REST APIs, Cloud Functions, Authentication, Real-time Database

Tools & Technologies

Git, CI/CD, Testing, Performance Monitoring, App Store Publishing

Ready to start your mobile app project?

Let's discuss how I can help bring your ideas to life!

Planning & Strategy

We'll collaborate to map out your app's goals, target audience, and key functionalities. We'll discuss things like app structure, navigation, and content requirements.

Development & Progress Update

Once we agree on the plan, I cue my lofi playlist and dive into coding. From initial sketches to polished code, I keep you updated every step of the way.

Development & Launch

This is where the magic happens! Based on the approved design, I'll translate everything into functional code, building your App from the ground up.

My Approach

My development process is designed to create exceptional Flutter applications that exceed expectations while maintaining clear communication throughout.

Client Consultation

Starting with a comprehensive discussion to understand your vision, requirements, objectives, target audience, and timeline. This forms the foundation for everything that follows.

UI/UX Design

Creating wireframes and visual designs aligned with your brand. I emphasize intuitive navigation, user-friendly interfaces, and engaging experiences that drive user engagement.

Development

Building the application using Flutter and Dart with clean, maintainable code. I implement the latest practices in mobile development to ensure a smooth, responsive experience.

Testing & Quality Assurance

Rigorous testing across multiple devices and scenarios to ensure your app performs flawlessly. This includes functional testing, UI testing, and performance optimization.

Deployment

Handling the submission process to App Store and Google Play, ensuring compliance with platform guidelines and optimizing for discoverability and user acquisition.

Post-Launch Support

Providing ongoing maintenance, updates, and support to keep your app running smoothly and evolving with your business needs and user feedback.

My Commitment to You

When you work with me, you're not just getting a developer - you're gaining a dedicated partner who is invested in your success. I pride myself on:

  • Clear Communication

    Regular updates and transparency throughout the development process.

  • Problem-Solving Mindset

    Finding creative solutions to complex challenges.

  • Attention to Detail

    Meticulous care in every aspect of development, from code to UI.

  • Ongoing Support

    Continued assistance and maintenance beyond the initial launch.