Hi, we are

INVENTAGIOUS

We build things for the web.

We're a dynamic duo of full-stack developers building blockchain-powered crowdfunding platforms and Web3 solutions. We specialize in Next.js, NestJS, Solana smart contracts, and creating seamless experiences that bridge traditional web and decentralized systems.

01.About Us

Hello! We're Inventagious, a dynamic duo of full-stack developers building blockchain-powered solutions. Our flagship product is a crowdfunding platform on Solana blockchain, enabling inventors and innovators to raise funds without giving up equity.

We specialize in full-stack development with Next.js, NestJS, Solana smart contracts, and mobile applications. From frontend UIs to backend APIs, smart contracts, and admin dashboards - we build everything end-to-end.

Here are a few technologies we've been working with recently:

  • JavaScript (ES6+)
  • TypeScript
  • React
  • Next.js
  • Node.js
  • Solana
  • Tailwind CSS
  • Web3
  • NestJS
  • PostgreSQL
  • Supabase
Konstantinos Blavakis - Full Stack Developer specializing in Next.js, TypeScript, JavaScript, Node.js, and Blockchain Development

Konstantinos Blavakis

Full Stack Developer

Nextjs | TypeScript | JavaScript | Nodejs | Blockchain Developer

Highly skilled Nextjs & TypeScript developer with a degree in IT and 5+ years of experience in blockchain development. Specializing in high-performance web apps, secure smart contracts, and cutting-edge dApps. Passionate about clean, scalable, and efficient code.

Jeff Green - Full Stack and Mobile App Developer specializing in React Native, Flutter, iOS, and Android development

Jeff Green

Full Stack / Mobile App Developer

React Native | Flutter | iOS | Android | Full Stack

Versatile full-stack developer with extensive experience in mobile app development and cross-platform solutions. Expert in building native and hybrid mobile applications that deliver seamless user experiences across iOS and Android platforms.

02.Some Things We've Built

Featured Project

Inventagious Platform

A full-stack crowdfunding platform built on Solana blockchain for inventors and innovators.

Overview

Our flagship product revolutionizes how inventors and innovators raise capital. Built entirely on the Solana blockchain, this platform eliminates the need for traditional equity-based fundraising. The platform features seamless wallet authentication through Phantom Connect, allowing users to interact with blockchain functionality without friction. We implemented real-time blockchain interactions that update campaign statuses instantly as transactions occur on-chain. The entire frontend is built with Next.js 16 and React 19, ensuring optimal performance and SEO capabilities. Campaign creators can set up detailed project pages, manage funding goals, and interact with backers through an integrated messaging system. The platform includes sophisticated escrow mechanisms that hold funds securely until campaign milestones are met, protecting both creators and backers.

Key Features

  • Phantom Wallet integration for seamless blockchain authentication
  • Real-time Solana transaction monitoring and updates
  • Advanced campaign management with milestone tracking
  • Secure escrow system for fund management
  • Comprehensive SEO optimization for discoverability
  • Responsive design optimized for all devices
  • Integrated analytics dashboard for campaign creators
  • Multi-currency support with SOL and USDC

Technologies

  • Next.js 16
  • React 19
  • TypeScript
  • Solana
  • Phantom Wallet
  • NestJS
  • PostgreSQL
  • Tailwind CSS

Featured Project

Admin Dashboard

Comprehensive admin panel for managing the Inventagious platform with full control over operations.

Overview

A powerful administrative interface that provides complete oversight and control of the Inventagious ecosystem. The dashboard enables platform administrators to monitor and manage every aspect of the platform from a single, intuitive interface. Project lifecycle management allows admins to review, approve, or reject campaigns at various stages, ensuring quality control and compliance. User administration tools provide detailed user profiles, activity tracking, and account management capabilities. Financial oversight includes comprehensive transaction tracking, revenue analytics, fee management, and payout processing. The system includes real-time blockchain integration monitoring to track all on-chain activities and ensure system integrity. SEO management tools allow admins to optimize content visibility across search engines. Advanced analytics provide insights into platform usage, user behavior, campaign performance, and revenue metrics. Content moderation systems help maintain platform quality through automated and manual review processes.

Key Features

  • Complete project lifecycle management and approval workflows
  • User administration with detailed activity tracking
  • Financial oversight with transaction and revenue analytics
  • Real-time blockchain integration monitoring
  • SEO management and optimization tools
  • Advanced analytics and reporting dashboards
  • Content moderation and quality control systems
  • Role-based access control with granular permissions

Technologies

  • Next.js 16
  • React 19
  • TypeScript
  • Tailwind CSS
  • NestJS
  • Supabase
  • PostgreSQL

Featured Project

Backend API

Robust NestJS backend API serving the Inventagious platform with comprehensive blockchain integration.

Overview

A production-ready, scalable backend infrastructure built with NestJS that powers the entire Inventagious ecosystem. The API implements sophisticated Solana smart contract integration, handling wallet connections, transaction signing, and on-chain data retrieval. Wallet management services securely handle user wallet associations, signature verification, and transaction broadcasting. Payment processing includes support for multiple cryptocurrencies, transaction fee calculation, and automated payout systems. User authentication leverages JWT tokens with refresh token rotation and secure session management. Content management APIs handle campaign creation, updates, media uploads, and content moderation workflows. Analytics tracking captures user interactions, campaign performance metrics, and platform-wide statistics. The system implements comprehensive security features including rate limiting, input validation, SQL injection prevention, and role-based access control. All endpoints are fully documented with OpenAPI/Swagger specifications, and the system includes comprehensive error handling, logging, and monitoring capabilities.

Key Features

  • Solana smart contract integration with Web3.js and Anchor
  • Secure wallet management and transaction processing
  • Multi-cryptocurrency payment processing (SOL, USDC)
  • JWT-based authentication with refresh token rotation
  • Comprehensive content management APIs
  • Real-time analytics and event tracking
  • Advanced security with rate limiting and input validation
  • PostgreSQL database with optimized queries and indexing
  • RESTful API design with OpenAPI documentation
  • Automated testing suite with high code coverage

Technologies

  • NestJS
  • TypeScript
  • Solana
  • PostgreSQL
  • Supabase
  • JWT
  • REST API
  • Web3.js
  • Anchor

Featured Project

Polymarket Telegram Bot

Telegram bot integration for Polymarket prediction markets with real-time market updates.

Overview

An intelligent Telegram bot that brings Polymarket prediction markets directly to users' messaging experience. The bot enables seamless market discovery through intuitive search and filtering capabilities, allowing users to find markets by category, volume, or closing date. Sponsored markets feature prominently while maintaining transparency about promotional content. Real-time updates keep users informed about market movements, price changes, and new market listings. User interactions include placing bets, checking positions, viewing market details, and receiving personalized notifications. The bot includes comprehensive market analytics showing historical performance, volume trends, and probability distributions. Built with TypeScript for type safety and maintainability, the bot integrates seamlessly with the Telegram Bot API and Polymarket's public API. The system uses SQLite for local data caching and user preference storage, ensuring fast response times and offline capability for cached data.

Key Features

  • Intelligent market discovery with advanced search and filtering
  • Real-time market updates and price change notifications
  • Sponsored market integration with clear labeling
  • User position tracking and portfolio management
  • Comprehensive market analytics and statistics
  • Personalized notifications based on user preferences
  • Interactive commands for market exploration
  • SQLite caching for improved performance

Technologies

  • TypeScript
  • Telegram Bot API
  • Node.js
  • SQLite
  • Polymarket API
  • Express
03. What's Next?

Get In Touch

We're currently looking for new opportunities, our inbox is always open. Whether you have a question or just want to say hi, we'll try our best to get back to you!

Say Hello