Emmanuel E.

Senior Fullstack Developer | React, Node, AWS | AI-Powered SaaS

Senior fullstack developer with 6+ years building production React and Node.js platforms. I ship performant, well-architected systems and own them end-to-end, from the earliest stages of making technical decisions to the final stages of deployment, while working effectively with existing teams and inherited codebases. What I build: - Full-stack web apps with React, Next.js (Pages & App Router), Node.js, TypeScript - AWS Serverless backends (Lambda, DynamoDB, S3, Step Functions, EventBridge) - Supabase integrations (Auth, Database, Storage, Queues, Edge Functions) - Multi-tenant SaaS architecture with secure auth & data isolation - AI/LLM integrations (OpenAI, Anthropic) - High-accuracy, cost-efficient OCR parsing pipelines - REST & GraphQL APIs, third-party integrations (Google Ads, Meta, TikTok, Stripe, Square) Tech stack: React, Next.js, Node.js, ExpressJS, Nest.js, TypeScript, JavaScript, PostgreSQL, MySQL, MongoDB, DynamoDB, Supabase, AWS (Lambda, S3, CloudFront, Step Functions, EventBridge), GCP, Vercel, Docker, REST, GraphQL, OpenAI, Anthropic, Rust/WASM Looking forward to collaborations!