Ramprakash Chelliah

▸ Architected and delivered a cloud-based, multi-tenant HRMS SaaS platform (Payroll, Leave, Attendance, Timesheet)
supporting 1, 000+ employees across multiple client organisations.
▸ Reduced manual payroll processing effort by ~60% by engineering an automated salary engine with statutory compliance
(PF, ESI, TDS) and configurable tax structures.
▸ Improved attendance accuracy by 35% for field staff by designing a geo-fencing attendance system integrated with real
time shift scheduling.
▸ Cut HR approval turnaround time by 50% by building a configurable multi-level workflow engine with auto-escalation and
dynamic routing rules.
▸ Applied CQRS and Event Sourcing patterns to decouple read/write workloads — enabling audit-ready event logs for
regulatory compliance and improving system scalability.
▸ Reduced database load by 40% and improved API response times by 30% through Redis distributed caching and MongoDB
index/aggregation optimisation.
▸ Maintained 99.9% API uptime with sub-200ms average response times across all production endpoints consumed by
Angular front-end and third-party ERP integrations.
▸ Led a team of 4 developers — drove code reviews, enforced Clean Architecture standards, and mentored junior engineers
on SOLID principles and design patterns.
▸ Managed end-to-end production deployments on Azure App Services with CI/CD pipelines; owned go-live activities and
post-release monitoring.
▸ Resolved production incidents with formal RCA documentation, achieving average resolution under 2 hours and maintaining
minimal business disruption.
▸ Collaborated with QA, DevOps, and business stakeholders in Agile sprint cycles to deliver scheduled releases with high
quality.