Moises J.

Senior Full-Stack Systems Engineer with over 4+ years of experience, focused on: - Frontend: React/Next.js/Vite/TanstackQuery. - Backend: Express.js, Nest.js, Django and FastAPI. - Database Management: MySQL, PostgreSQL, MongoDB. With services as Neon, Railway, etc. - BaaS: Firebase/Supabase - UX/UI: Figma/Webflow - Serverless: AWS, Lambda, DynamoDB - AI: APIs, LangChain, Aumatizations Proccess, N8N, LLMs. - Optimization and Security: Experience in big projects with thousands of users, specialized in optimizating process and improve user experience and systems security. I can work with any type of development. I have work with SaaS development, as a tech lead, and as a full stack developer. I love working as a Backend Developer, where most of my expertise lies in. 💼 Why Work With Me? As a former Tech Lead, I understand the full lifecycle of a SaaS product. I don’t just build features; I build scalable systems. I bridge the gap between functionality and aesthetics using Figma, ensuring the UI is as powerful as the backend. I leverage modern tools like Claude Code, n8n, and LLMs to accelerate development cycles without compromising quality. I pride myself on clear, proactive communication and meeting tight deadlines. Strong foundation in algorithms, data structures, and complex problem-solving. Successfully led development teams in the agricultural and POS sectors, scaling platforms to handle high-volume data and user traffic. Ready to turn your vision into a robust, market-ready product? Let’s hop on a call and discuss how I can help your project succeed.