Senior Full Stack Developer with 6+ years of remote experience building SaaS products, distributed systems, and AI-powered applications for companies in Ecuador, Chile, and the United States.
Core expertise:
• Backend: Node.js, NestJS, Symfony, Python/FastAPI, Django, .NET, Laravel
• Frontend: React, Next.js, Angular, React Native
• Cloud: AWS (ECS/EKS/Lambda/S3/SQS), Docker, Kubernetes, Terraform
• Databases: PostgreSQL, MongoDB, Redis, MySQL, ElasticSearch
• AI/ML: Claude API, OpenAI GPT-4o, Hugging Face, NER models, RAG systems
Key achievements:
✔ Optimized a payments platform processing 1–3M records using chunking + Redis + MongoDB index tuning
✔ Real-time chat system boosting client engagement by 95% (Socket.io + Keycloak)
✔ Fintech wallet with 98% efficiency gain and 60% faster DB queries
✔ Published researcher: ICCCM '23 (ML + NLP for fake news detection)
Currently building AI-powered SaaS products: an LMS platform (VisionClass), content generation tools (InstaAI, VlogMaster), a trading signal system, and a dev team AI agent.
Available for full-time remote roles and freelance projects. Fast communicator, async-friendly, outcome-focused.
