👋 Hi there, I'm Cesar Chavez

💼 Senior Java Developer (Fullstack) | 🧠 Solution Software Architect | 🚀 AI & DevOps Enthusiast

🧠 Profile Summary
Accomplished Software Professional with 17+ years of experience in full-stack Java development, cloud solutions, DevOps automation, and scalable architecture. Proven leadership across major enterprises (BMW, Credit Suisse, HP, etc.), always blending innovation, security, and performance optimization.

🌍 Based in Wroclaw, Poland | Speaks Spanish 🇲🇽, English 🇬🇧, Polish 🇵🇱, Portuguese 🇧🇷

🚀 Current Focus

• 💡 Building AI-enhanced apps using LangChain, Ollama, Hugging Face, and LLMs
• 🔧 Automating cloud and infrastructure with Terraform, Ansible, and Docker
• 🕹️ Exploring game dev with Corona, Unity and Unreal Engine
• 🧑‍🏫 Mentoring developers and leading architectural decisions

🛠️ Tech Stack

Languages & Frameworks
Java, Kotlin, C#, Scala, Python, JavaScript, TypeScript
Spring Boot, JPA, Hibernate, Angular, React, Node.js, Flask, Grails

Cloud & DevOps
AWS (EC2, S3, RDS), Terraform, Jenkins, GitHub Actions, Docker, Kubernetes

AI/ML & NLP
Keras, TensorFlow, PyTorch, Hugging Face Transformers, LangChain, Ollama

Databases
PostgreSQL, MySQL, Oracle, MongoDB, Redis, SQL Server

Tools & Misc
Apache, Tomcat, WebSphere, Git, SVN, ElasticSearch, Kafka, ActiveMQ, OpenMQ

📚 Certifications

• ✅ Architecting on AWS 📄 Certificate (PDF)
• ✅ Advanced Architecting on AWS 📄 Certificate (PDF)
• ✅ AWS Academy Graduate - AWS Academy Cloud Architecting 📄 Certificate (PDF)
• ✅ Software Architect Training Program 📄 Certificate (PDF)
• ✅ Java Memory Management
• ✅ Software Architecture Fundamentals (Soft & People Skills)

📄 View Full CV (PDF)

🔄 Experience Highlights

🧩 BMW (via Reply) – Senior Java Developer
Enhanced security with Spring JWT/SSO, fixed certificate infrastructure, and optimized Java/Angular apps.

🏛️ ATOS / Worldline – Tech Lead / Architect
Designed microservices/microfrontends, automated cloud infra with Terraform/Ansible on AWS, led RPA & CI/CD work.

🏎️ VOLVO (via IT Kontrakt) – Java Developer
Refactored and modernized legacy systems, migrated to Git & PostgreSQL, optimized Java backend.

☁️ Digitech Services – Freelance Architect
Worked on AI assistants, cloud-native apps, and full-stack solutions with cutting-edge tech.

🎓 Education

• 🎓 M.Sc. Computer Science – Universidad Autónoma de Guadalajara
• 🎓 Master of Information Technology – Universidad Latino
• 🎓 B.Sc. in Computer Science – Universidad Latino

💃 Interests

🧘 Yoga & Meditation | 🥋 BJJ / Muay Thai | 💃 Forró Dance Instructor | 🧩 Game Development & AI

📊 GitHub Stats

Let’s build something amazing together!