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
Map-Based Social Networking App
Location-aware social network with real-time activity and MapBox.
React Native · MapBox · Firebase · Node.js · MongoDB · Heroku
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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
Web
Enterprise Business Platform
Enterprise-grade platform serving large business users with Angular 16 and serverless Python on AWS.
Angular 16 · Python Lambda · AWS · Enterprise
Web
Legal Services Business Platform (MVP)
MVP business platform for legal professionals with ChatGPT-powered document drafting and workflow.
Angular 17 SSR · NestJS · SQLite · ChatGPT · GCP · Vercel
Web
Tech Agency Website
Complete company website with Next.js, Supabase, and Vercel SSR.
Next.js · Supabase · Vercel
Web
Custom E-Commerce Platform
Full-featured e-commerce with deal-sharing, coupons, and referrals.
Node.js · React · Express · MongoDB
Mobile
Child Growth Tracking App
Timeline feature with infinite scroll and growth milestones.
React Native · GraphQL · Firebase · GCP
Web
Map Editing Platform
Browser-based geospatial editing tool with OpenLayers and Supabase.
OpenLayers · Next.js · Supabase
Web
Shopify Theme Customization
Custom Shopify themes for brand and conversion-focused storefronts.
Shopify · Liquid · CSS
Scraping
TicketMaster Data Extraction Script
Automated event data extraction from TicketMaster API to Google Sheets.
Python · TicketMaster API · Google Sheets API
Blockchain & Web3
Blockchain-Based KYC Platform
Proof-of-concept decentralized identity verification with SSI protocols.
Ares Cloud Agent · ACA-PY · Keycloak · React (Chakra)
Blockchain & Web3
Decentralized Exchange (DEX)
Non-custodial DEX with smart contracts and token swap UI.
Next.js · Web3.js · Ethers.js · Solidity
Blockchain & Web3
Blockchain Tourism Platform (POC)
Tokenized tourism platform with digital tickets and loyalty rewards.
Remix · Solidity
Scraping · Blockchain & Web3
Blockchain Market Data Bot
Automated bot for real-time blockchain market data and alerts.
Python · Selenium · Telegram API · Discord API
Web
.NET Enterprise Application Development
Business components, APIs, and Vue.js frontend with measurable impact.
C# · .NET Core · ASP.NET Web API · MS SQL · Vue.js
Scraping
City Code Violations Scraper
Web scraping system for Florida municipal code violation data across 77 cities.
Python · DrissionPage · SQLite · 77 Florida cities · GUI
Mobile
AT&T Cross-Platform Streaming App
Owned mobile end-to-end for AT&T streaming app (React Native + Expo).
React Native · Expo · iOS · Android
Mobile
HIPAA-Conscious Health Data App
Health data app with wearables, FHIR-compatible data, and dashboards.
React Native · Wearables · FHIR · HIPAA
Mobile
Health App with BLE/LoRaWAN Wearables
React Native app with BLE and LoRaWAN wearable integration.
React Native · BLE · LoRaWAN · Native modules
Get in Touch
Open to new opportunities and collaborations. Reach out via email or socials.