Mikołaj Gramowski — Full-Stack App Developer
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Full-stack
app developer
app developer
MIKOŁAJ GRAMOWSKI
SENIOR LEVEL
LOCATED IN POLAND
Kuyavian-Pomeranian Voivodeship
Kuyavian-Pomeranian Voivodeship
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ABOUT ME & MY EXPERIENCE
I'm a passionate full-stack developer with over 5 years of experience in crafting web applications. I specialize in React and Node.js, and I'm dedicated to creating seamless user experiences.
I have a strong track record of delivering end-to-end solutions, from AI-powered platforms and smart finance apps to complex marketplaces. My focus is always on writing clean, scalable code and building intuitive interfaces that drive real business value.
+ 5
Years of Experience in Software Development
All week
Available for Communication
+ 50
Clients and Projects Completed
Are you Looking for ...
AI Tools & Services
Marketplaces
Finance & Investment
PROJECTS (7)
Wellio (Self-Improvment)
React Native
TanStack
NestJS
Mongoose
OpenAI API
MongoDB
Expo UI
Wellio is an AI‑powered lifestyle and symptom tracking app designed to help users identify correlations between daily habits and how they feel. Users log health and lifestyle data (sleep, exercise, diet, mood, symptoms, etc.), and the app generates AI‑driven insights and correlations to support self‑awareness and better decision‑making. The product focuses on wellness tracking rather than medical advice.Key FeaturesDaily health and lifestyle logging with structured inputs and free‑form notesAI‑generated correlations and insights from user dataSecure account flow with social sign‑in optionsMobile‑first UX with onboarding, privacy/consent flows, and profile data captureSubscription support for premium featuresTech Stack
AI Grammar Assistant
AI
Swift
Mobile App
AI Grammar Assistant is your ultimate writing companion, designed to revolutionise the way you write. Whether drafting emails, essays, or social media posts, our advanced AI ensures your writing is clear and compelling. Features include spot-on corrections for grammar, style and tone enhancements, personalised learning based on your pattern, and real-time instant feedback. See our privacy policy: https://yuliana-bondireva.jimdosite.com/ and Terms: https://yuliana-bondireva.jimdosite.com/terms/
Deltaton
React Native
AI Platform
Mobile App
Deltaton is an advanced AI-powered platform designed to support farmers, growers, and agricultural professionals. It offers specialized agents to assist in managing crops, vineyards, greenhouses, or beehives with data-driven decisions. Includes a General Agent for agriculture basics and a Farm Agent for customized expert insights.
Artboard - Marketplace & Services for Artists
Next.js
NestJS
MongoDB
ArtBoard is a Polish online marketplace connecting artists with buyers, featuring artist profiles, artwork listings. It’s built with a Next.js 15 frontend and a NestJS + MongoDB backend, with TypeScript.
Intrend (AI Trend Analysis)
React Native
Gesture Handler
Reanimated
Lottie
React Native SVG
Firebase
MMKV
Secure Storage
Intrend is a dynamic, AI-powered trend analysis mobile app that helps users track, visualize, and capitalize on emerging market and social media trends in real time. Built with offline-first capabilities, it offers interactive SVG charts, fluid animations, and real-time notifications to keep creators and businesses ahead of the curve. Features include personalized dashboards, predictive trend forecasting, and secure local data synchronization.
Piana - Smart Finance App
Flutter
Dart
FlutterFlow
Piana is a comprehensive finance and banking mobile app built with Flutter. It enables users to securely manage accounts, track transactions, set budgets, and access advanced financial analytics. I led the development, integrating Adyen API for seamless payment processing and designing an intuitive, user-friendly interface focused on security and usability.
iPad App & Web Dashboard System
React Native
Firebase
Expo.io
Figma
Created a hybrid iPad app using React Native and a web-based dashboard using React for a 3D printing business. Used Firebase for real-time data sync and authentication. Delivered smooth user flows and a responsive UI tailored for in-factory use. Helped digitize operations and reduce manual input errors.
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