Real-time Data Analytics Microservices

I'm looking for an experienced developer in Java, Spring Boot, and microservices to build a robust real-time data analytics system. This system will process data from user activity logs, sensor data, and transaction records.

Key Requirements:
- Help with tasks
- Fix bugs
- Explain code
- Review assignments
- Integrate with a relational database

Ideal Skills:
- Proficiency in Java and Spring Boot
- Experience with microservices architecture
- Strong knowledge of relational databases
- Familiarity with API security protocols

Please provide examples of similar work done.

Budget: ₹10,000 monthly, negotiable