Web
Building robust web applications with Angular, Next.js, React, serverless backends, and modern tooling. From enterprise platforms to e-commerce and agency sites.
Available for new opportunities
Hi, I'm Severus
Senior Full Stack Developer | Blockchain & Web3 Specialist
Senior software engineer with ~10 years of experience building diverse applications — from websites and e-commerce platforms to blockchain-powered systems and enterprise dashboards. Deep expertise in React, Angular, React Native, JavaScript (TypeScript), Python, and C#/.NET.
100+
Projects Completed
10+
Years Experience
20+
Technologies
Expertise
What I Do Best
Specialized in building scalable solutions with modern technologies
Mobile
Shipping cross-platform iOS and Android apps with React Native: real-time maps, health data, wearables integration, and performant list/timeline UIs.
Blockchain & Web3
Designing and implementing decentralized systems: DEXs, KYC/SSI platforms, tokenized experiences, and smart contracts with Solidity, Web3.js, and Ethers.js.
Explore
Projects
A selection of full-stack, blockchain, mobile, and open source work
Web
Online Dev Tools
Free browser-based developer utilities (JSON, JWT, Base64, cron, regex, and more).
Next.js 14 · TypeScript · Tailwind · Open Source
Mobile
Frienzy Group Travel Planner
Travel planning platform for groups — shared itineraries, coordination, and trip management.
React Native · Node.js · Firebase · MongoDB
Web
Public Legal Links
Public legal links for professionals — clients sign documents via secure, shareable links.
Next.js · TypeScript · Node.js · Tailwind
Web
Finance Lobby
AI-powered real estate deal platform connecting borrowers and lenders.
React · TypeScript · Node.js · AI
Mobile
Map-Based Social Networking App
Location-aware social network with real-time activity and MapBox.
React Native · MapBox · Firebase · Node.js · MongoDB · Heroku
Desktop · Trading · Automation
Polymarket Bot
Desktop Polymarket trading bot with live dashboard, strategies, and risk controls.
Go 1.22 · Wails v2 · React 18 · Vite · Chart.js · Polymarket Gamma/CLOB APIs · Open Source
Web
ImageTools
Free image utilities for compression, resizing, format conversion, and more. All processing runs in your browser.
Next.js · TypeScript · Tailwind · Open Source
Web
TextTools
Free online text utilities for writers and marketers.
Next.js 14 · TypeScript · Tailwind · Framer Motion · Open Source
Web · Blockchain & Web3
CryptoFortune
Crypto-powered fortune telling with USDT (TRC20) payment and Turso.
Next.js 16 · React 19 · Turso · TronGrid · USDT TRC20
Get in Touch
Open to new opportunities and collaborations. Reach out via email or socials.