Language-learning app in Flutter (variable budget)

Hello, my name is Alexander, I am from Ukraine (UTC +2)

For more information about my skills, visit my portfolio.
You can be assured that I will provide you with a quality application to receive a positive review from you.

Your project quite interested me because working on such projects is a great pleasure for me and because I have over 8 years of development experience.
I have worked as an Android developer in a small company in Kharkiv, where I improved my skills. I also worked as a Flutter developer remotely in a team for a company.

I have experience in:
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- Flutter, Dart
- Java, Kotlin
- Android SDK
- Retrofit, Dagger2, Coroutines + Flows,
- ViewBinding/DataBinding + ViewModel + LiveData
- Navigation architecture component
- MVVM Clean architecture
- Work Manager
- Room
- Paging Library
- Firebase, Google Cloud, AWS, GraphQL, Stripe
- Linux, Unix
- Git, Gradle and so on

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Dear Mihaylo,

Thank you for sharing the detailed vision for your hybrid language learning application. I’m highly interested in contributing to this project, both in the short term as a hands-on developer and potentially in the long term as a technical lead, helping scale and professionalize the codebase.
I'm full stack expertise with fluter and Azure, python, and I have Proven experience building hybrid apps using Flutter for web and mobile, and also Backend development using Azure Functions, Web Apps, Cosmos DB, and Python/FastAPI, Integration of AI/LLM assistants (GPT, embeddings) for intelligent support features, especially worked on educational platforms with interactive content editors, progress tracking, adaptive quizzes, and user dashboards

so Having reviewed your requirements carefully, I’ve also identified a couple of potential challenges:
Ensuring consistent UX/UI across mobile and web with Flutter
Designing a modular and scalable backend to support advanced AI features
Real-time syncing and content management in a collaborative environment
…
I'd be happy to review the existing PoC and provide a technical assessment with time and budget estimates. Let me know how you’d like to proceed—whether with a quick call, code walkthrough, or initial task.

Looking forward to the possibility of working together on this impactful project.

Best regards,
Vasyl Uperuk

Good day.
Flutter: I have been coding in it for the last two years. I have two small programs I can show.
Azure: I haven't worked with it, but I have extensive experience with AWS. So probably functions are something like AWS Lambda, and Cosmos DB is like Mongo + DynamoDB.
Python: I have written a lot in Python (more than 10 years). Mainly backend.

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Hello! 👋
I am not a designer who just draws, but a designer who DESIGNS products that sell business services. I create designs for businesses in various fields and have high qualifications in UX and UI design.

Please review my portfolio and see for yourself my experience in the UX/UI field:
Freelancehunt

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Hello, Mykhailo
Thank you for the detailed explanation. This opportunity seems to be made for me and it makes me excited.
To speack my XP, I have over 9 years of experience in developing Flutter hybrid applications (web + mobile versions for Android/iOS).
And I have perfectly implemented the backend of several projects using Python, Django, Flask, and integrated several AI models such as LangChain, Huggingface, DeepSeek, Ollama into the app using Flask, and I have a very rich experience in integrating AI agents.
I always value delivering pixel-perfect, SEO-optimized, clean and robust applications, and have strict standards for time.
I also successfully ensure collaboration with team members of 10+ people using Slack, Discord, Git, Jira, Notion, and can ensure communication at any time.
I hope to create innovative and creative things with you that can transform our lives.
I hope to hear from u soon and work with u together.
Best regards.