Freelancers using PostgreSQL in Warsaw

Freelancers using PostgreSQL in WarsawFreelancers using PostgreSQL in Warsaw

Projects People

PROWarsaw, Poland

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

10: Followers

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

Cover image for High responsive PM solution

High responsive PM solution

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3

Cover image for AI-powered personal assistant web app

AI-powered personal assistant web app

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Cover image for Shugaland Real Estate Web App Development

Shugaland Real Estate Web App Development

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Cover image for UNIQA Insurance Policy Analysis System

UNIQA Insurance Policy Analysis System

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Wiktor Witkowski

Software Engineer - Api, Automation, Scripts

Software Engineer - Api, Automation, Scripts

Cover image for Microservices Architecture System

Microservices Architecture System

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5

Cover image for Leasing Platform

Leasing Platform

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4

Cover image for Excel Automation

Excel Automation

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4

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PROWarsaw, Poland

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

New to Contra

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

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.

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Cover image for 🙌 Some of my Telegram chatbot development projects 1. PARSE...

🙌 Some of my Telegram chatbot development projects 1. PARSER + AI WRITER 2. TIKTOK Viral Scanner 3. YOUTUBE VIDEO TRANSLATOR 4. CRYPTO HEDGER 5. REPOST TT TO SHORTS And 20+ others

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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.

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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.

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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

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0

Cover image for AI Assistant Backend Development for Comic Book App

AI Assistant Backend Development for Comic Book App

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0

Cover image for Computer Vision Backend for Comic Book Cover Detection

Computer Vision Backend for Comic Book Cover Detection

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0

Cover image for Christmas Sweater Image Editor Development

Christmas Sweater Image Editor Development

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AI Software development and consulting

8: Followers

Agency Partner

AI Software development and consulting

Cover image for Optimizing Gifting Marketplace with a Custom Retool Dashboard

Optimizing Gifting Marketplace with a Custom Retool Dashboard

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3

Cover image for Building a Retool CMS for Educational Program Marketplaces

Building a Retool CMS for Educational Program Marketplaces

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2

Cover image for L'Esperta App Development with Retool

L'Esperta App Development with Retool

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Programmer | DevOps

Programmer | DevOps

Cover image for Fly Travel

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3

Cover image for RSP Travel

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3

Cover image for Defender Radar App

Defender Radar App

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9

Cover image for DevGrid - Engineering Excellence Platform

DevGrid - Engineering Excellence Platform

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9

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PROWarsaw, Poland

FrontEnd WebDev React / Tailwind / NextJS

FrontEnd WebDev React / Tailwind / NextJS

Cover image for AI-Powered Reddit Engagement Platform for Professionals | RedLe…

AI-Powered Reddit Engagement Platform for Professionals | RedLe…

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Cover image for My Tone of Voice - AI-Powered Writing Style Analysis

My Tone of Voice - AI-Powered Writing Style Analysis

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2

Cover image for Voice Agent Dashboard - Professional Analytics for Retell AI

Voice Agent Dashboard - Professional Analytics for Retell AI

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9

Cover image for Protyping Mobile app

Protyping Mobile app

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