Freelance Fullstack Engineers in Warsaw

Freelance Fullstack Engineers in WarsawFreelance Fullstack Engineers in Warsaw

Projects People

pro

Full-Stack Engineer | Replit & Cursor | AI Integration

1x: Hired

5.0: Rating

26: Followers

expert

Full-Stack Engineer | Replit & Cursor | AI Integration

Cover image for Sports Platform Website — Landing page Design & Full-Stack Build

Sports Platform Website — Landing page Design & Full-Stack Build

0

4

Cover image for TYO-Omega Digital Platform Development

TYO-Omega Digital Platform Development

0

1

Cover image for Konnect.io Website Development

Konnect.io Website Development

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3

Cover image for Half-Bakd Shopify Storefront Development

Half-Bakd Shopify Storefront Development

0

1

Fullstack Engineer(6)

pro

Full Stack Developer | Mobile Developer | AI Expert

5.0: Rating

9: Followers

Full Stack Developer | Mobile Developer | AI Expert

Cover image for Digipark Management | React | Next.js | Firebase

Digipark Management | React | Next.js | Firebase

2

25

Cover image for FACEIT | Next.js | TypeScript | Tailwind CSS

FACEIT | Next.js | TypeScript | Tailwind CSS

0

5

Cover image for E-commerce Shopping App | Flutterflow | Superbase

E-commerce Shopping App | Flutterflow | Superbase

2

16

Cover image for Olympus Mobile Wallet | Flutter | Flutterflow

Olympus Mobile Wallet | Flutter | Flutterflow

0

10

Fullstack Engineer(2)

pro

Web & Mobile Developer | React Node ASP.NET Vue React Native

13: Followers

Web & Mobile Developer | React Node ASP.NET Vue React Native

Cover image for Shugaland Real Estate Web App Development

Shugaland Real Estate Web App Development

0

41

Cover image for UNIQA Insurance Policy Analysis System

UNIQA Insurance Policy Analysis System

0

17

Cover image for A web platform for International Centre for Mathematics Ukraine

A web platform for International Centre for Mathematics Ukraine

0

16

Cover image for AI-powered personal assistant web app

AI-powered personal assistant web app

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25

Fullstack Engineer(3)

Frontend-Driven AI Full Stack | AI Automation & Headless CMS

New to Contra

Frontend-Driven AI Full Stack | AI Automation & Headless CMS

Cover image for Cross-Platform AI SaaS Enhancement for Sintra

Cross-Platform AI SaaS Enhancement for Sintra

1

2

Cover image for Secure Crypto Brokerage Platform Development

Secure Crypto Brokerage Platform Development

1

3

Cover image for Thera: A Digital Mental Wellness App

Thera: A Digital Mental Wellness App

1

0

Cover image for Softr: Internal admin systems

Softr: Internal admin systems

0

120

Fullstack Engineer(4)

Chris Gawlinski

I'll handle the entire project's tech side for you

I'll handle the entire project's tech side for you

Cover image for Professional Consulting

Professional Consulting

0

2

Cover image for App development and consulting services

App development and consulting services

0

7

Cover image for Social gambling platform

Social gambling platform

0

1

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Fullstack Engineer(3)

AI & Web3 dev: bots, scrapers, automations, apps, crypto

20: Followers

AI & Web3 dev: bots, scrapers, automations, apps, crypto

Cover image for 👍 MVP mobile app for learning English for beginners Tech st...

👍 MVP mobile app for learning English for beginners Tech stack: Flutter (Dart) - iOS & Android - Audio-based quizzes/UI-UX.

2

3

309

Cover image for 😍 Created payments flow +

😍 Created payments flow + admin dashboard for a mobile app: login, checkout, recurring subscription, invoices, and payment history. I used Stripe for payments (Checkout + Subscriptions) and Prisma for the database layer. Implemented webhook handling for subscription status updates, invoice history, and access control. Also built an admin dashboard to manage users, plans, and transactions.

27

487

Cover image for 🚀 Created Photo-based AI body fat calculator The user uploa...

🚀 Created Photo-based AI body fat calculator The user uploads a photo, enters their personal information, and receives a result in body fat percentage, as well as personalized advice on how to reduce body fat percentage and how long it will take. Tech stack: Flutter (iOS-first), AI image analysis, APIs, mobile app development.

20

436

Cover image for 🚀 I recently built a

🚀 I recently built a custom AI automation system with 50+ AI agents designed to run business workflows automatically. The system includes specialized agents such as: • CEO agent (task coordination) • LinkedIn lead generation agent • Telegram lead finder • Email scraping & outreach agent • Job monitoring agent • AI response assistant • Data analysis agents All agents communicate through a centralized hub and can work 24/7 without manual supervision. The system handles tasks like: lead generation data scraping automated outreach monitoring opportunities workflow automation Tech stack used: Python • OpenAI / Claude • Automation agents • Web scraping • API integrations If you're looking to build custom AI agents for your business workflows, feel free to reach out.

1

17

Fullstack Engineer(3)

Sergei Serafimovich

From vision to product, without the chaos: https://aegte.dev

New to Contra

From vision to product, without the chaos: https://aegte.dev

Cover image for OctoSale

1

1

Cover image for AI Assistant Backend Development for Comic Book App

AI Assistant Backend Development for Comic Book App

1

0

Cover image for Computer Vision Backend for Comic Book Cover Detection

Computer Vision Backend for Comic Book Cover Detection

1

1

Cover image for Christmas Sweater Image Editor Development

Christmas Sweater Image Editor Development

1

1

Fullstack Engineer(1)