Anton Karas

Software Engineer | Full-Stack • Blockchain • AI

Work

  • QloApps

    Open-source hotel PMS and booking platform with reservations, inventory, front-desk, and channel management.

    Full-Stack PHP MySQL Booking PMS Channel Management
  • LittleAIBox

    Privacy-focused AI chat platform for coding, writing, translation, and research with custom AI settings.

    AI React TypeScript LLM Privacy REST API
  • Paradex

    Decentralized trading platform with perpetual futures, options, spot trading, and real-time market APIs.

    Web3 React TypeScript WebSocket Smart Contracts DeFi
  • DentalPin

    Dental clinic management app for patients, appointments, budgets, payments, and daily practice workflows.

    Healthcare React PostgreSQL API Integration Dashboard Scheduling
  • V7 Labs

    AI platform for document processing, computer vision, medical AI, and intelligent data extraction.

    AI Computer Vision Document AI Medical AI Workflows Data Extraction
  • folk

    Relationship-focused CRM for founders and sales teams with contacts, pipelines, and customizable workflows.

    CRM React TypeScript Pipelines Contact Management SaaS
  • Whatnot

    Live-shopping marketplace combining e-commerce, live video, auctions, and social product discovery.

    E-commerce Live Streaming React Real-Time Marketplace Social Commerce
  • Tebra

    Healthcare practice-management platform for scheduling, billing, payments, and patient workflows.

    Healthcare React Scheduling Billing Patient Management SaaS
  • Mercury

    Modern business banking for startups with payments, cards, transfers, and expense management.

    Fintech React Banking Payments Expense Management SaaS
  • Fibery

    Flexible workspace combining knowledge management, databases, and interconnected team workflows.

    React TypeScript Knowledge Base Databases Workflows SaaS
  • Nuclino

    Collaborative knowledge-management workspace for documents, company info, and team collaboration.

    React Collaboration Knowledge Management Workspace Documentation SaaS
  • Zerion

    Web3 wallet and portfolio platform for crypto, DeFi, NFTs, and multi-chain dApp interaction.

    Web3 React DeFi NFT Portfolio Multi-Chain
  • SavvyCal

    Scheduling platform with booking links, calendar overlays, availability, and timezone handling.

    React Scheduling Calendar API SaaS Productivity Time Zones
  • PostHog

    Product analytics with event tracking, funnels, session replay, feature flags, and experimentation.

    Analytics React Feature Flags Session Replay Product SaaS

Hi, I'm Anton Karas

Software Engineer | Full-Stack • Blockchain • AI
I'm a software engineer specializing in modern web applications, blockchain solutions, and AI-powered software.
I build scalable, secure, and user-friendly applications across frontend, backend, APIs, databases, cloud infrastructure, and Web3 technologies.
My focus is creating reliable products with clean architecture, maintainable code, and performance that scales as businesses grow.
I enjoy solving complex technical challenges, turning ideas into practical products, and delivering software that provides long-term value.

Core Tech Stack

Primary Expertise
Languages JavaScript, TypeScript, Python, Golang, Rust
Frontend React, Next.js, HTML5, CSS3, Tailwind CSS, Framer Motion
Backend Node.js, Express.js, Django
Databases PostgreSQL, MongoDB, Redis, Firebase, Supabase
API & Integration REST API, GraphQL, WebSockets, API Development, API Integration
Cloud & DevOps AWS, Docker, Kubernetes, Git, GitHub
Blockchain / Web3 Solana, EVM, Smart Contracts, DeFi, NFT
AI LLM Integration, RAG, AI APIs, AI-powered Features
Additional Technologies
Languages PHP
Frontend Angular, Vue.js
Backend Laravel
Databases MySQL