Ajay Kumar

Workday-certified Integration Developer with 3 years of consulting experience delivering scalable HR, Payroll, Benefits, and Financial solutions for global clients. Skilled in Workday Studio, EIBs, Core Connectors, and API integrations, with hands-on success in automating complex processes, executing seamless data migrations, and optimizing system performance. Adept at leading full integration lifecycles from requirement gathering and design to deployment and post-production monitoring while partnering with stakeholders, external vendors, and cross-functional teams.

Holds a Bachelor's degree in Information Technology from the National Institute of Technology, Raipur.

Workday Consultant at Efirst Consulting (2025-10 – 2026-10)

Service Area: Technology

• Led a team of 4 Associate Integration Developers on a Workday Benefits Integration implementation, primarily leveraging Cloud Connect for Benefits (CCB) to deliver integrations for Medical, Dental, Vision, Life Insurance, and other benefit plans
• Worked directly with clients and external benefit partners including Sun Life, Delta Dental, Cigna, and Fidelity to understand business requirements, integration specifications, file layouts, and downstream processing requirements
• Translated business and partner requirements into Workday integration solutions, including analysis of benefit plans, eligibility rules, data mappings, file specifications, and integration configurations
• Participated in solution design discussions and design walkthroughs, driving technical decisions and obtaining client/partner approval prior to implementation
• Coordinated end-to-end development, unit testing, system/integration testing, client validation, defect resolution, and production deployment activities
• Collaborated closely with functional teams, client stakeholders, and external vendors throughout the implementation lifecycle to ensure integrations met business and partner specifications
• Provided go-live and production support, troubleshooting integration failures, analyzing outbound files, identifying root causes, and implementing fixes/enhancements
• Independently owned the end-to-end implementation of Workday integrations for ADP and SSO/MFA, serving as the primary Integration Developer for the client
• Designed and implemented a PECI (Payroll Effective Change Interface) integration with Workday Studio post-processing to transform and prepare Workday payroll/worker data for ADP based on vendor-specific requirements
• Configured Workday SSO and MFA using Authentication Policies, aligning authentication and security requirements with the client's identity and access management strategy
• Designed and delivered an enhancement to an existing Workday-to-Okta Identity Management integration, addressing limitations in the client's existing RaaS-based approach for incremental employee data changes
• Identified that the existing RaaS solution was not optimal for the client's requirement to provide change-only employee data, including New Hires, Terminations, Job Changes, and Personal Information Changes, rather than recurring full employee extracts
• Proposed and implemented a change-driven integration architecture using Workday Core Connectors and Workday Studio to efficiently capture and process employee changes
• Configured two Core Connectors, with one dedicated to capturing Hire and Termination events and another to capture relevant employee changes, based on the client's downstream identity management requirements
• Developed a Workday Studio post-processor to receive and process Core Connector output and persist the required employee change data into a non-effective-dated Custom Object
• Designed and implemented a Custom Report incorporating the required Custom Object fields and exposed the report as a RaaS endpoint for consumption by the Okta Identity Management platform
• Improved the integration architecture by providing Okta with a purpose-built, change-only RaaS data source, reducing reliance on the existing full/inefficient employee extract approach
• Designed and implemented automated user lifecycle processes to create, update, activate/reactivate, and deactivate user accounts in downstream learning and employee communication platforms
• Utilized Workday Core Connectors to identify and retrieve employee event data, including Hire, Termination, Job Change, and Personal Information Changes, as the source for downstream user lifecycle processing
• Developed Orchestrations to process employee events and route them to the appropriate downstream action, including user creation, updates, activation/reactivation, and deactivation
• Integrated with LRN and AlertMedia REST APIs, handling API requests and responses to synchronize Workday worker information with external platforms
• Designed event-based routing logic to determine the appropriate downstream operation based on the type of Workday worker event received
• Helped transition legacy integration patterns toward a more scalable, API-driven and orchestration-based architecture using Workday's modern integration capabilities

Workday Consultant at Deloitte USI (2023-09 – 2025-10)

Offering Portfolio: Human Capital | Service Area: Technology

• Mostly worked on PECI integrations, maintaining the seamless operations and implemented client-requested enhancements to existing integrations
• Resolved complex data conversion issues by making various changes in XSLT in the PECI post-processor studio Integration
• Delivered end-to-end integration solutions by driving requirements with stakeholders and vendors, overseeing design, development, and testing, and implementing proactive monitoring post go-live to ensure seamless performance and zero failures
• Working on Core HR integrations, from requirements gathering through design, development, and testing, while establishing proactive monitoring processes that maintained system stability and eliminated integration failures post go-live
• Worked with Benefit Partner designing and building a full scope solution, including interfaces such as EOI, self-bill, eligibility files and port conversion files for insurance benefits
• Designed and built a complex studio integration to extract and resize the worker's workday profile picture out of Workday
• Led the Workday integration stream, collaborating with stakeholders and third-party vendors to gather business requirements and deliver end-to-end solutions, including integration design, development, and thorough testing
• Post go-live, implemented proactive monitoring to ensure seamless system performance and zero integration failures
• Developed a complete Workday Financials payment integration solution leveraging EIB, Studio, and BIRT to automate Positive Pay file transmission, payment check generation, and supplier remittance advice distribution, reducing manual finance operations
• Designed and built a full-cycle payroll integration with two inbound flows (automating 401k contribution updates and loan repayments) and one outbound (payroll data extraction to the vendor), fully automating the process and eliminating 100% of manual data entry by the payroll team
• Automated various interfaces using Workday core connectors and EIB to securely transmit employees' Medical, Dental, LTD/STD Insurance, and Spending Account data to external benefit partners, reducing administrative effort
• Diagnosed and resolved failures in integration runs, ensuring seamless operations
• Supported regular integration activities and implemented client-requested changes to existing integrations
• Designed and maintained integration specifications to meet business requirements
• Worked on the SimplrOps tool to monitor tenant health
• Follow up with stakeholders for requirement gathering and clarification
• Design/build/test of integrations
• Migrated integrations (EIBs, Core Connectors, Studio Integrations) and custom reports to production
• Collaborated with cross-functional teams to support and troubleshoot integration processes
• Delivered integration solutions aligned with client's Core HR migration requirements

Bachelor's degree in Information Technology – National Institute of Technology, Raipur