I design and build scalable backend systems, secure APIs, and high-quality mobile & web applications with a native user experience. My core stack includes Java & Spring Boot for backend development, Flutter for cross-platform solutions, and Docker & AWS for cloud-native deployment. I prioritize clean architecture, maintainable code, and delivering solutions that address real-world problems effectively.

• Build enterprise-grade applications with Java, Spring Boot, Flutter
• Design secure RESTful APIs with JWT authentication and optimized database architectures
• Deploy and containerize applications using Docker, AWS & CI/CD pipelines
• Focus on clean code, scalability, and performance optimization
• Contribute to open-source projects and collaborate with global developer communities

• Building: Enterprise Management System (Inventory, Sales, Logistics & Employee Management)
• Learning: Advanced Spring Boot, Microservices Architecture, AWS Cloud Services
• Certifications: AWS Cloud Computing (ALX Africa - Ongoing)
• Exploring: Web3 & Blockchain, Serverless Architecture with AWS Lambda

🔹 Tech Stack: Dart • Flutter • Googlefonts • Provider
🔹 Description: Sushi Restaurant, a hands-on Flutter project built with one clear goal: to deepen my understanding of Flutter widgets and learn how to structure a real-world mobile application.

🔹 Tech Stack: Spring Boot • PostgreSQL • Docker • OpenAPI • Redis
🔹 Description: Backend system for managing applicants, jobs, and job applications with clean relational architecture and RESTful APIs. Features include applicant tracking, job posting management, and application workflow automation.

🔹 Tech Stack: Spring Boot • PostgreSQL • Docker • Swagger
🔹 Description: A Spring Boot-based application for managing employees, attendance, payroll, and related operations. This project demonstrates integration with RFID readers via JSerialComm to enable automated check-in and check-out.

I'm always open to collaborating on interesting projects, discussing tech, or exploring new opportunities!

• 🌐 Portfolio: Portfolio
• 📧 Email: eustachekamala.dev@gmail.com