Hi! I'm Shahbaz Khan — Senior Java Backend Engineer and Solution Architect with 10+ years of experience in Payments, BFSI, Life Insurance, and Capital Markets. I've built high-scale payment systems processing 1M+ daily transactions at Modulr Payment Solutions using Java, Spring Boot, Microservices, Kafka, AWS, and PostgreSQL. I can help you with: 🔹 Java & Spring Boot interview preparation 🔹 System Design (HLD & LLD) for senior roles 🔹 Resume review & career guidance 🔹 Mock interviews for Senior Engineer & Tech Lead roles 🔹 Payment domain knowledge & architecture guidance If you're preparing for Senior SE, Tech Lead, or Solution Architect roles — I've been there and I can help you crack it!