Mykyta O.

👋 Welcome to my profile. React Nextjs TypeScript JavaScript Nodejs Nestjs Expressjs PostgreSQL MongoDB MySQL Supabase Firebase Redis AWS EC2 S3 Lambda RDS CloudFront Cognito ECS EKS SQS SES Amplify Docker Kubernetes GraphQL REST API WebSockets OpenAI ChatGPT Claude Gemini LangChain Pinecone RAG AI Agents Stripe Auth0 GitHub Actions CI CD Building scalable SaaS platforms AI powered products dashboards marketplaces and business applications for startups and growing companies. 3+ years of commercial experience across 10+ industries helping launch MVPs in as little as 1-2 months and supporting products designed to scale from their first users to thousands of active customers. I'm a Full stack developer 100% helping founders startups and businesses transform ideas into production ready software. I work across frontend backend databases cloud infrastructure third party integrations and deployment delivering complete solutions from concept to launch. 🖥 Technologies I Use JavaScript TypeScript React Nextjs Redux Redux Toolkit Zustand TanStack Query Tailwind CSS Material UI Shadcn UI Framer Motion HTML5 CSS3 Responsive UI Development Progressive Web Apps Nodejs Expressjs Nestjs GraphQL REST API WebSockets Authentication Systems API Integrations Microservices Server Side Architecture JWT OAuth Auth0 RabbitMQ Redis Elasticsearch PostgreSQL MongoDB MySQL Firebase Firestore Supabase Redis DynamoDB SQLite AWS EC2 S3 RDS Lambda CloudFront Route53 API Gateway Cognito CloudWatch ECS EKS SQS SES Amplify Vercel Railway Netlify Docker Kubernetes Nginx GitHub Actions GitLab CI CI CD OpenAI ChatGPT Claude Gemini LangChain Pinecone Vector Databases RAG AI Agents AI Assistants Function Calling Prompt Engineering Semantic Search Recommendation Engines Document Processing Workflow Automation Knowledge Bases LLM Integrations AI Powered SaaS Products Over the last 3 years I've worked on products across 10-20 industries including SaaS AI FinTech Healthcare EdTech E commerce Real Estate Marketplaces and Business Automation. My experience includes building platforms with multiple external integrations payment systems subscription models analytics dashboards internal tools customer portals and AI powered features. I focus on building software that scales from MVP stage to long term production environments. Well structured architecture clean code and reliable infrastructure can reduce future development effort by up to 30-40% while making new feature delivery significantly faster and easier. 🚀 Experience Includes SaaS MVP Development and Product Launches from idea to production React Nextjs Applications and Customer Portals designed to scale from first users to thousands of active customers AI Integrations Chatbots AI Agents and Automation Tools helping automate up to 70% of repetitive workflows Dashboard Admin Panel and Internal Tool Development for teams ranging from 5 to 500+ users REST API GraphQL and Third Party Integrations with 10+ business systems payment providers and external services Search Systems Analytics Platforms and Data Heavy Applications processing thousands of records and requests daily Stripe Payment Subscription and Billing Integrations supporting monthly yearly and usage based pricing models Performance Optimization Refactoring and Codebase Improvements improving application performance by up to 40-60% Responsive Frontend Development Across Desktop Tablet and Mobile with consistent user experience across all devices CMS and Content Driven Platforms built for managing hundreds and thousands of content records ⚡ I actively use modern AI development tools including Cursor Claude GitHub Copilot ChatGPT Windsurf and AI assisted workflows to accelerate development reduce debugging time and improve productivity by up to 30% while maintaining production quality code and long term maintainability. 🤝 Beyond technical skills I value communication reliability and transparency. I provide progress updates every 1-2 days/1week participate in product discussions review requirements proactively and help identify technical risks before they become expensive problems later in development. 📌 Soft Skills Fluent written and spoken English Strong communication and collaboration skills Product focused mindset Attention to detail Fast onboarding into existing projects and codebases Reliable and proactive communication Clean organized and predictable workflow Ability to work effectively in startup environments and growing teams As a Full stack developer my goal is to build scalable maintainable and user friendly products that solve real business problems increase operational efficiency and support long term business growth. If you're looking for a Full stack developer who can contribute across frontend backend cloud infrastructure AI integrations and product development feel free to send an invitation or message anytime. I'd be happy to discuss your project. Let's talk 💬