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I'm a Highly accomplished and results-oriented Engineer with extensive experience in **Full-stack Development, Artificial Intelligence (AI), Cloud Computing, and MLOps/AI** Pipelines
I help engineers here—especially those early in their journey—build real-world skills through code reviews, system design, and project guidance. My approach is grounded in clarity, scalability, and long-term growth.
I have been in this industry for 10+ years with consistent knowledge in developing mobile apps and website with expertise at:
- React Native,
- Flutter,
- ReactJS, Javascript, Typescript, HTML, CSS, JQuery
- NodeJS, ExpressJs
- PHP/CodeIgniter, Laravel
- PostgreSQL, MYSQL, MongoDB
- iOS, Swift, SwiftUI
- Android, Java, Kotlin
- Firebase
I also have a deep understanding of cloud computing platforms such as AWS, Azure, and Google Cloud.
Contact me if you:
have a technical issue to solve.
want mobile/web application developed from scratch.
want me to work on an on-going project.
want me to develop a difficult module
want me to implement new functionality in an on-going project
want me to create or change UI/UX
want me to develop a database.
My availability: Usually 8 Hours per day and 6 days in a week, but can work for more hours depending on project and client demand.
Feel free to ask me anything you may want to know.
**FIRST 15 MINS FREE SESSION**
Hello! If you need help with game development, I'm here to help you find (and learn) effective techniques and solutions for your projects.
I've been a Game and Software developer since 2010. I have solid experience with Unity, C#, and Game Design, and I'm constantly updating my skills. I also have experience with Unreal Engine 5, Level Design, 3D Modeling, and Mobile Development.
I developed games for PC and Android. My background includes working on:
● SAK'D (2D metroidvania game, demo released on Steam)
● NekoSuki! ~ Kitty Love Adventure (action-adventure game, in development)
● Time Master (puzzle-platformer game, released on Steam)
● Baneville (an educational game for Brazilian schools)
I have knowledge and experience with:
● Unity, C#, async-await (UniTask), advanced programming concepts
● Unreal Engine 5, Blueprints, C++
● Game Design, Level Design, UI Programming, Game Optimization, QA
● Unity Addressables, Timeline
● Third-party assets and plugins: Platformer Project, Corgi Engine, Game Kit Controller, World Streamer 2, DoozyUI, RealtimeCSG, Rewired, Animancer, RealToon, Dialogue System for Unity, MicroSplat, MicroVerse, etc.
● Blender, VRoid Studio (3D Modeling, Rigging, Skinning, Animation)
● Photoshop, Krita, GIMP (Texturing, Image editing)
● Wwise Audio Middleware
● Mobile Development: Android (native), iOS (native), Kotlin, Swift, Xamarin, Xamarin.Forms
● Kotlin, Swift
🏅TOP-RATED ⭐ 5-star service ✅ Upwork verified 👍🏼100% client satisfaction 🚨 200k Subs on Flutter YT Channel (HeyFlutter.com)
6+ years of Mobile App development experience and more than 25 high-quality apps delivered for iOS, Android, and the Web.
➥ Services Offered:
• Full Stack development for Android, and iOS using Flutter & FlutterFlow
• Rapid Prototyping and MVP Development
• User Interface & User Experience Design (UI/UX) using Figma
• App Deployment and Publishing Assistance
• App performance optimization
I began my career developing native apps such as Todo lists, note-taking tools, and chat applications like WhatsApp. After discovering Flutter, I was intrigued by its ability to streamline Android and iOS development into a single codebase. Over time, my interest in Flutter grew, leading me to explore FlutterFlow for developing apps with low-code solutions. For the past 4 years, I have dedicated myself to mastering Flutter and FlutterFlow, consistently delivering exceptional applications.
I'd love to learn about your project and see if we can be a great fit. Let’s transform your app ideas into reality together!
Over 12 years of Experienced Mobile, Web, Machine Learning and Deep Learning Application developer and architect with a demonstrated history of working in the information technology and services industry. Skilled in Python, Tensorflow, Keras, Dart & Flutter, React, React Native, Node & Express, PHP & Laravel Framework, MySQL, Mongodb, Javascript, Angular, Kotlin (Android), Swift (iOS), AWS EC2, AWS Lightsail.
Also have a vast experience in developing human resource by providing training on above mentioned technologies.
Here is my Codecanyon profile : https://codecanyon.net/user/_lutfor
Here is my Udemy profile : https://www.udemy.com/user/lutfor-rahman-11/
Github : https://github.com/contactlutforrahman
Hacker Rank : https://www.hackerrank.com/_lutfor
LeetCode : https://leetcode.com/_lutfor
Being a mentor means sharing knowledge to empower others. With nearly 5 years of experience in Flutter, I’ve helped developers debug issues, build scalable apps, and understand best practices. I enjoy simplifying complex topics and supporting others in their learning journey. Codementor is the ideal platform for this kind of meaningful, hands-on collaboration. I’d love to help with debugging, performance optimization, code reviews, and guiding developers through real-world Flutter challenges.
With over 14 years of experience, I specialize in teaching programming to beginners and students, developing software systems, and leading software development teams. My diverse technology stack and leadership experience make me an invaluable resource for clients and projects.
Technology Stack:
C/C++/C#
Java
Mobile Development
Web Development
API Design & Development
IoT
Embedded Systems
Information Security
Roles:
Software Engineer / Senior / Lead
Product Manager
Instructor
Key Responsibilities:
Teaching programming and guiding beginners through their learning journey
Developing and managing mobile and web software projects
Leading cross-functional teams to deliver high-quality products
Offering consulting services to enhance project outcomes
Educational Background:
PhD (Candidate) Computer Engineering
Master of Computer Engineering
Postgraduate Diploma in Software Development Skills (UNIX)
Master of Business Administration (MBA)
Bachelor of Computer and Information
A result-oriented developer and mentor with 10+ years of professional experience.
Precious possesses excellent communication skills, is a joy to work with, and takes initiative where necessary.
With every task, He prioritizes excellence, precision, and speed, with a proven track record.
I'm CTO, System Architect, Full-Stack developer with 10+ years of experience.
I've experience of building billing systems for Internet Service Providers, Mobile Content Providers, Site Builder Systems (like a SitePlus.com, Wix.com), Learning Management System (smls.com.ua, maktapp.az), small tools and etc. stuff.
I can work alone or manage a team and work together to keep them enough mentored and motivated.
Experience list (developing during work):
1. GoLang - expert with 5+ years experience
2. NodeJS - expert with 10+ years experience (since v0.4)
3. Ruby - expert with 3+ years experience
4. Elixir - expert with 3+ years experience
5. PHP - expert with 15+ years experience
6. Rust, C++, C#, Java, Python- debugger and had deal with code written on these languages, writing own small projects on Rust as hobby before using it in customer's work.
7. Databases:
MySQL (also Galera Cluster) - expert (installing, tuning, replication, complex queries, building optimal db solutions),
PostgreSQL - expert (installing, tuning, replication, complex queries, building optimal db solutions),
MongoDB - expert (currently preferred as primary db in most of projects, have rich experience on any aspect of this db),
CouchBase - expert (using as secondary after MongoDB to cache, store data that is requested with high concurrency),
CouchDB - expert (same as CouchBase, but I prefer CouchBase for it's active data in memory principles),
RethinkDB - expert (I use it to build back communication between api micro-services and web-socket micro-services to route response to exact connection in context of multi-instance containers)
8. Frontend frameworks:
AngularJS, ReactJS - have experience of supporting code written using these frameworks and experience can be developed if there is big need to work with them
9. Building micro-services, containerizing, delivering to cloud infra.
10. Server OSs: ArchLinux, Debian, Alpine
11. Continuous Integration: CI Scripting in GitLab, Jenkins, CloudBuild
12. Team/Task management and boards in Jira
13. Cloud service providers: GCP, AWS
Have problem - I'll find solution, only question is time.
I would love the opportunity to work with you on your project!
Brian's career had him working on video games, eCommerce, productivity, finance and travel apps. After spending years working as an iOS and Android developer, he sees Flutter as the next big pillar for mobile.
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Frequently asked questions
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