Workday HCM/Payroll Support Analyst & Developer

SUBBAREDDY MULLANGI

*****.*********@*****.*** +1-405-***-**** Atlanta, GA

PROFESSIONAL SUMMARY

Workday Support Analyst and Developer with 5+ years of experience supporting HCM, Payroll, Benefits, and Financials. Skilled in investigating business process, security, reporting, integration, and data issues; documenting findings; guiding users; coordinating escalations; and communicating clear resolution steps. Experienced with Workday reports, Studio, EIB, Core Connectors, RaaS, XML/XSLT, REST/SOAP APIs, data validation, reconciliation, and HR/payroll stakeholder support. TECHNICAL SKILLS

Workday Support: HCM, Payroll, Benefits, Financials, Business Process Framework, Condition & Validation Rules, Navigation/Data Entry Troubleshooting, Integration & Domain Security Reporting & Data: Advanced/Matrix/Composite/BIRT Reports, Calculated Fields, Business Objects, Data Sources, RaaS, Dashboards, SQL, Data Validation & Reconciliation

Integration & Tools: Studio/Debug, EIB Inbound/Outbound, Core Connectors, Cloud Connect, DT/DIS, PECI/PICOF, XML/XSLT, REST/SOAP, Postman

Support Practices: Incident/Ticket Triage, Root Cause Analysis, Issue Escalation, Support Documentation, Runbooks, User Guidance, Jira, Confluence, Agile/Scrum

PROFESSIONAL EXPERIENCE

Advanced Knowledge Technologies Inc (Client: Morgan Stanley) Systems Engineer Apr 2026 - Present

• Provide Workday production support across HCM, payroll, benefits, and finance, investigating business process, security, reporting, integration, and data issues reported by HRIT and business teams.

• Triage and reproduce defects using Studio logs, EIB/Core Connector/RaaS outputs, XML payloads, API responses, validation rules, and security configuration; resolve or escalate with complete findings.

• Build reports and reconciliation checks, maintain support notes and runbooks, and communicate status and resolution steps to technical and nontechnical stakeholders.

• Document issue history, troubleshooting findings, business impact, and resolution steps; coordinate handoffs and follow- up with HRIT, payroll, security, and integration teams.

• Validate integration and domain security, audit outputs, and data-reconciliation results to protect confidential HR information and support accurate issue resolution. Palm Beach State College Enterprise Solutions Developer Sep 2025 - Mar 2026

• Supported HR and IT users by troubleshooting Workday business process, report, integration, and data-quality issues and coordinating timely resolution.

• Built and debugged reports, calculated fields, data sources, and business object mappings to validate corrections and support HR/payroll operations.

• Monitored integrations with Studio Debug and Postman, analyzed REST/SOAP and XML/XSLT errors, documented repeatable fixes, and translated user needs into Workday solutions.

• Created repeatable troubleshooting notes and user-facing guidance for common report, integration, data-entry, and business-process issues to improve consistency and self-service support. Oklahoma State University Graduate Assistant Jan 2023 - Dec 2024

• Developed and supported Java/Spring Boot enterprise applications, translating user-reported issues and requirements into maintainable fixes and enhancements.

• Investigated application, REST API, SQL, and data issues; created tests, optimized queries, and documented resolutions for team support.

Nano Tech E Services Software Developer Jun 2020 - Dec 2022

• Built and supported Workday Studio, EIB, Core Connector, Cloud Connect, and PECI/PICOF integrations for HCM, payroll, benefits, and financial data.

• Triaged production issues involving failed loads, validation errors, security access, missing values, and downstream delivery; communicated status and resolution guidance.

• Used Studio Debug, Postman, XML payloads, API responses, and error logs to perform root-cause analysis, correct issues, and escalate complex defects.

• Configured EIBs and custom reports; created audit and reconciliation checks and maintained Confluence runbooks, data mappings, and issue-resolution documentation.

EDUCATION

Oklahoma State University Master of Science in Computer Science Jan 2023 - Dec 2024 CGPA: 3.4/4.0 Coursework: Database Design, Web Programming, Data Structures and Algorithms

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