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// Backend Systems Portfolio

Mahendra Shah

> Backend Engineer // 3+ YOE

Backend Engineer with 3+ years of experience building scalable APIs, automation systems, and serverless architectures on AWS. I focus on reliable backend systems that reduce manual operations and scale across teams.

// SYS_METRICS: Impact Summary

HR Automation

60-70%

Manual operational effort reduction through workflow automation.

Payroll Automation

70%

Manual payroll workflow reduction across attendance, leaves, and salary processing.

Query Performance

50%+

Backend SQL processing time improvement through query optimization.

Explore Backend Work

Explore detailed backend case studies, architecture decisions, and a full resume to understand engineering scope and production impact.