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AngularJS Node.js PHP Python React.js
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Vitalii A.

@jonhw5

5.0
1

2.2

2.2

100%

MERN & Python | React Native | Flutter Expert

$35 USD / Hour

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Czech Republic (10:51 AM)

Joined on October 13, 2025

$35 USD / Hour

I'm a Senior Full Stack Developer with 8+ years of experience building high-quality web and mobile applications using React.js, Next.js, Vue, Nuxt.js, Node.js, Nest.js, PHP, Laravel, Wordpress, Python (Django, FastAPI), React Native, and Flutter. I specialize in creating scalable, secure, and high-performing solutions with clean architecture and intuitive UI. From RESTful APIs to cloud deployment, I deliver complete end-to-end products using AWS, Azure, and GCP. My expertise covers E-commerce, Fintech, and SaaS platforms, integrating modern tools like TypeScript, Tailwind CSS, and DevOps automation to ensure smooth, reliable performance. I take pride in clear communication, efficient collaboration, and delivering projects that exceed expectations. Let’s turn your idea into a world-class product 🚀

Verifications

On time

100%

On budget

100%

Accept rate

17%

Portfolio

Portfolio

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5.0 · 1 Review
Reviews
A

Full Stack Developer for Subscription-Based SaaS $130 USD

Excellent freelancer — delivered high-quality and fast work. he worked at the weekend for me. Recommended!

Ayoma G.

@ayoi4

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London, United Kingdom

11 days ago

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Experience

Full Stack Developer

Feb, 2024 - Sep, 2025

1 year, 7 months

Floy GmbH

Feb, 2024 - Sep, 2025

1 year, 7 months

- Designed and developed ERP microservices using Python, FastAPI, and PostgreSQL for real-time business workflow and inventory tracking. - Built a scalable frontend with Next.js and React, integrating GraphQL APIs to deliver AI-powered predictive analytics dashboards. - Implemented AI-driven features using OpenAI APIs in Python for automated document summarization and financial anomaly detection.

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Munich, Germany

Feb, 2024 - Sep, 2025

1 year, 7 months

Full Stack Engineer

Jun, 2021 - Dec, 2023

2 years, 6 months

Siesta Labs

Jun, 2021 - Dec, 2023

2 years, 6 months

- Developed and maintained scalable web and mobile applications using React, Next.js, Node.js, NestJS, and React Native. - Designed and optimized RESTful APIs, improved frontend performance, and implemented reusable components. - Collaborated with cross-functional teams to deliver high-quality, user-centric solutions on time and within scope.

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Prague, Czech Republic

Jun, 2021 - Dec, 2023

2 years, 6 months

Full Stack Developer

Oct, 2017 - May, 2021

3 years, 7 months

Fragaria

Oct, 2017 - May, 2021

3 years, 7 months

- Built responsive web applications using React, Redux, Material-UI, and TypeScript, increasing user engagement by 30% through improved UX and performance. - Refactored monolithic backends into modular Python microservices using Django and FastAPI, enhancing scalability and maintainability of financial systems. - Implemented real-time UI updates with Django Channels and WebSockets, reducing frontend latency by 25% for transaction and notification features.

Flag of

Prague, Czech Republic

Oct, 2017 - May, 2021

3 years, 7 months

Education

Czech Technical University in Prague

2013 - 2017

4 years

Bachelor

Flag of

Czech Republic

2013 - 2017

4 years

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