Senior Workday Integration Developer

RAHUL REDDY

New York City, NY • **********.******@*****.*** • 551-***-****

PROFESSIONAL SUMMARY

Results-driven Workday Integration Developer with 6 years of ERP experience, including 5+ years of specialized expertise in Workday HCM, Integrations, Reporting, and Analytics. Proven ability to design, build, and maintain scalable, secure, and efficient Workday solutions across Core HCM, Payroll, Compensation, Benefits, and Talent Management. Expert in Workday Studio, EIB, Core Connectors, REST/SOAP APIs, and custom reporting tools such as Prism Analytics, BIRT, and Matrix Reports.

TECHNICAL TOOLS

Workday Modules: HCM, Payroll, Benefits, Compensation, Time Tracking, Talent Management, Prism Analytics, Workday Extend

Integration Tools: Workday Studio, EIB, Core Connectors, Web Services (REST/SOAP), Document Transformation Languages & Tech: XML, XSLT, JSON, SQL, HTTP, Java, Python, API Testing (Postman, SOAP UI) Reporting & Analytics: Workday Report Writer, Advanced Reports, Matrix Reports, Calculated Fields, Dashboards, BIRT

Project Tools: JIRA, Confluence, SharePoint Methodologies: Agile, Waterfall PROFESSIONAL EXPERIENCE

S&P GLOBAL New York, NY

Sr. Workday Integration developer JAN 2023 - Present Joined as the senior-most integration consultant during a full-scale Workday transformation across global HR and payroll operations. Oversaw a portfolio of 30+ integrations in support of S&P’s transition from legacy HCM systems to a fully cloud-based Workday platform.

● Architected and deployed over 30 custom Workday integrations (including complex bidirectional data pipelines) between Workday HCM and legacy systems such as SAP SuccessFactors and ADP, ensuring seamless enterprise-wide data exchange.

● Migrated legacy EIB integrations to Workday Studio, increasing automation coverage by 65% and eliminating 100+ manual touchpoints.

● Designed reusable integration templates and frameworks (XSLT/XML) that shortened development time by 40% and improved consistency across deployments.

● Engineered a fault-tolerant error-handling system with custom alerts and audit logs, decreasing integration failures by 70% and improving SLA adherence.

● Developed compensation, payroll, and benefit data transformations using XSLT for automated conversion of XML to CSV, supporting multi-vendor compliance formats.

● Collaborated with global teams (HRIS, Compliance, IT) to ensure integration designs adhered to GDPR, SOX, and HIPAA standards for secure data exchange.

● Conducted system-wide performance tuning of batch and real-time integrations, cutting runtime by up to 50%.

● Configured and optimized core Business Processes including Hire, Termination, Job Change, and Compensation Review, implementing condition rules and validations to align with global HR policy.

● Led Workday tenant management by executing upgrade validations, regression testing, and rollout of new features during semi-annual releases across Sandbox and Production environments.

● Collaborated with HR operations and IT to evaluate and deploy Workday-delivered enhancements, improving workflow efficiency and reducing process exceptions by 25%.

● Delivered executive-ready dashboards via Prism and BIRT showing cross-system integration KPIs and live operational metrics.

● Authored over 200 pages of technical documentation including architecture diagrams, integration maps, runbooks, and rollback procedures.

● Facilitated knowledge transfer workshops for offshore teams, helping establish a 24/7 support structure and reduce Level 1 escalations by 60%.

TRAVELERS INSURANCE Hartford, Connecticut

Workday Integration Developer AUG 2018 - Nov 2021

Appointed as the Fresh Workday Integration Developer during a critical modernization project aimed at overhauling and automating core HR systems used by more than 30,000 employees. Worked across HR, Finance, and IT to streamline data flows and reporting.

● Led the full lifecycle (design, build, test, deploy, support) of more than 25 Workday integrations, focusing on HCM, Payroll, and Time Tracking modules; achieved near real-time synchronization between Workday and third- party vendors.

● Automated benefits enrollment and payroll file transfers using EIB and Workday Studio, reducing manual processing time by 85% and improving compliance reporting.

● Built advanced Calculated Fields and dynamic Custom Reports to track onboarding, offboarding, and leave balances, increasing HR operational efficiency by 30%.

● Integrated third-party vendors (ADP, Fidelity, ServiceNow) through REST/SOAP APIs and securely scheduled outbound integrations using Core Connectors.

● Collaborated with security architects to implement job-based and user-based access models across all integrations, achieving full alignment with internal audit requirements.

● Led UAT testing cycles for all custom interfaces, identifying and resolving 98% of functional gaps pre-launch, ensuring a seamless go-live.

● Conducted monthly integration health reviews and performance audits, proactively identifying optimizations and eliminating recurring issues.

● Established standardized deployment checklists and CI-ready templates, enabling consistent and auditable migration across Dev, Test, and Prod tenants.

● Delivered stakeholder training sessions on interpreting report outputs, integration dependencies, and scheduling logic, fostering stronger business-IT collaboration.

● Drove post-launch support and optimization, resolving over 50 support tickets in under 2 weeks and ensuring full system stabilization under tight regulatory deadlines.

● Managed full employee data lifecycle in Workday, overseeing hires, job changes, promotions, and terminations across multiple business units.

● Executed mass data loads using EIBs and validated updates for compensation reviews, job re-leveling, and open enrollment campaigns.

● Responded to and resolved HRIS support tickets from HR, Finance, and Payroll teams, reducing average resolution time by 35% and improving SLA compliance.

● Conducted monthly security audits and access reviews, ensuring compliance with internal controls and SOX requirements.

EDUCATION

SOUTHERN ARKANSAS UNIVERSITY Dallas, TX

Master of Science in Computer and Information Science DEC 2021 – JAN 2023

● Awards: Graduate Research Award/fellowship (top 10%) ADDITIONAL INFORMATION

● Technical Skills: Java, Python, JavaScript, HTML/CSS, MATLAB, Spark, SQL, AWS, Azure, GCP

● Certifications: AWS Certified Data Analytics specialty & AWS Cloud Practitioner

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