Jonatas S.

Quick Summary: Former Deloitte Senior GenAI Software Engineer with 12+ years of Python expertise. Specialised in developing AI agents using Python, LangChain, and LangGraph, deploying them across major cloud platforms (AWS, GCP, Azure). DataCamp-certified in Data Analysis, Data Science, and Data Engineering and HackerRank-certified Software Engineer.

"Jonatas was quick, accurate, and the code he wrote for my project was effective and well commented! Definitely recommend." ★★★★★

"Jonatas is an excellent programmer. He delivered a well-written Pinescript strategy and indicator as promised. Keep up the good work." ★★★★★

"We hired Jonatas for a week to optimise our models, and the results were incredible: over a 50% reduction in execution time! An extremely dedicated and focused professional." ★★★★★

Tired of manual processes and hitting limitations with your current tech? I build intelligent, autonomous AI agents that automate complex workflows, provide deep data insights, and create powerful new efficiencies for your business.

You're likely here because you have a powerful vision for AI but need a true expert to bring it to life, in need of a strategic partner who can architect and deploy robust, enterprise-grade AI solutions on major cloud platforms like AWS, GCP, or Azure. That's exactly what I do.

As a former Senior GenAI Software Engineer for Deloitte, I specialise in translating complex business needs into high-performance AI systems. I don't just deliver code; I deliver measurable results and a tangible return on your investment.

My core value to you:

✅ Enterprise-Grade GenAI Development: Leveraging my experience at Deloitte, I build sophisticated AI agents using Python, LangChain, and LangGraph for the "new agentic era" of software.
✅ Proven Data Science Excellence: I implement advanced data analysis and predictive models, achieving up to 99.70% R² accuracy on projects, ensuring your decisions are backed by reliable data.
✅ Full-System Ownership: I am not just an AI specialist. With full-stack expertise (React.Native, TypeScript, Python, Flask) and deep database knowledge (PostgreSQL), I can own your project from front-end to back-end and deployment.
✅ Certified & Cloud-Fluent: I am certified by DataCamp (Data Analyst, Data Scientist, Data Engineer), HackerRank (Software Engineer), and AWS (Cloud Practitioner), with hands-on experience deploying across AWS, GCP, and Azure.

My services include: