Senior Workday Integration Developer with 6+ Years Experience

Achyuth Reddy Chamakura

309-***-**** ******************@*****.*** https://www.linkedin.com/in/achyuth-reddy-612694271/

Professional Summary

Senior Workday integration developer with 6+ years of techno-functional experience configuring and integrating Workday HCM mod- ules. Expertise in designing and deploying integrations using Workday Studio, Core Connectors, EIBs, and custom Extend applications to automate HR, payroll, and reporting workflows via SOAP/REST APIs. Seeking to leverage Workday Build low-code tools and AI-driven automation to optimize enterprise HR operations.

Education Details

Illinois State University, Normal, IL

Master's Degree

Technical Skills

•Workday Functional Modules: Workday, HCM, Benefits, Compensations, Payroll, Recruiting Modules, Compensation, Time and Absence, Human Resource Management, Recruiting, Talent Management, Learning, Financial Expenses, Inventory, Revenue Management, Finance Planning, Grant Management, Accounting, Finance, Student Recruiting, Student Admissions, Student Records

•Workday Integrations & Development: Integrations, conversions, iLoads, Integration EIB's, EIB, Core Connectors, Studio, iLoad's, Cloud Connector, PICOF, PECI, Document Transformation

•Reporting & Analytics: Report Writer, Report Writer Advanced, Reporting BIRT, Matrix, Composite, Simple, Search, nBox, Trending, Transpose, Calculated Fields

•Technical & Web Services: XML, SOAP, REST, WSDL, XSD, XSLT, XPATH, Oxygen XML, ServiceNow

•HR Systems & Administration: PeopleSoft HRMS, Benefit Administration, People Tools

•Tools & Methodologies: MS PowerPoint, MS Visio, MS Excel, SDLC, Waterfall, Agile Methodologies, SRD, HLD, DLD

Professional Experience

Memorial Health System Sep 2025 - Present

Workday Integration Developer Springfield, IL

•Designed and engineered enterprise-grade integrations using Workday Studio, Core Connectors, EIB, and the Workday Build platform to automate data exchange and streamline HR, Payroll, Benefits, and Attendance workflows.

•Built and maintained integrations leveraging Workday SOAP/REST APIs, RaaS services, JSON/XML schemas, and XSLT logic, incorporating anomaly detection and auto-filling features to support real-time and batch interface requirements.

•Developed integrations handling employee master data, job changes, compensation updates, benefits enrollments, payroll inputs, deductions, and accrual adjustments.

•Configured and supported Payroll integration frameworks, including PECI outbound feeds, inbound costing updates, retro pay processing, and vendor-specific payroll file formats.

•Created reusable integration components such as mapping strategies, transformation layers, standardized templates, error handlers, and parameter-driven workflows.

•Expertise in defining and applying Report Security to ensure adherence to financial governance, utilizing Assignable Roles and Role-Based Security Groups for data access control.

•Designed and optimized large-scale Core Connector integrations and Workday Illuminate orchestrations, including CCW, PICOF, PECI, and Benefits carrier feeds with custom field logic and conditional segments.

•Built custom Workday Studio integrations to support complex business logic involving loops, branching, sub-process calls, event triggers, and multi-file generation.

•Developed Custom Reports (Advanced, Matrix, Simple & Report-As-A-Service) used by integrations, downstream systems, analytics teams, and HR operations.

•Designed Calculated Fields to support report logic, conditional formatting, integration transformations, security filters, and fast field-level calculations.

•Executed data transformation and inbound loads for hires, terminations, job profiles, supervisory org updates, compensation changes, and benefit elections using EIB templates.

•Configured integration scheduling, business process triggers, change detection logic, event-based notifications, and integration sequencing for stable execution.

•Conducted end-to-end testing including System Testing, Integration Validations, Payroll Parallel Testing, Regression Cycles, and UAT, ensuring complete coverage and accurate results.

•Collaborated with third-party vendors to finalize file layouts, mapping rules, versioning requirements, encryption, authentication protocols, and delivery methods (SFTP, HTTPS, API).

•Performed comprehensive data quality checks, error analysis, log reviews, and issue resolution to maintain high reliability in production interfaces.

•Implemented Workday security configuration for integrations, including integration system security groups, domain security policies, and access restrictions for APIs and custom reports.

•Migrated integration components, custom objects, calculated fields, and security updates between tenants using IOT, validating dependencies and resolving transport conflicts.

•Documented integration designs, technical specifications, configuration steps, test scripts, and support procedures for long-term maintainability.

•Provided ongoing post-production support, monitoring daily jobs, resolving failures, optimizing performance, reducing processing time, and ensuring compliance with HR/Payroll deadlines.

Cano Health Jun 2024 - Sep 2025

Workday Developer Miami, FL

•Led design and development of high-performance integrations and custom applications using Workday Extend across Core HCM, Payroll, Absence, Benefits, and Time Tracking, ensuring seamless data flow between Workday and third-party systems.

•Built, enhanced, and maintained integrations using Workday Studio, Core Connectors, Inbound/Outbound EIBs, and packaged connectors including PECI, PICOF, CCW, and developed Recruiter and Performance Review AI agents using Workday's low-code tools.

•Functioned as a Techno-Functional Analyst leveraging Workday Illuminate features, including AI agents, widgets, and orchestrations, across Core HR, Absence Management, Time Tracking, Advanced Compensation, and Benefits.

•Worked as a security admin and was responsible for maintaining the privacy of and integrality of workday data using the workday delivered security groups as well as custom.

•Worked with multiple clients on Discovery sessions for multiple integrations like EIBs, Core Connectors and CCBs.

•Examples of Studio Components used – Workday out REST, Workday out SOAP, Splitter, Aggregator, Write Store, PIM.

•Optimized complex financial reports by strategically selecting the most efficient Data Sources and employing effective Report Filtering to reduce runtime by an average of 30%.

•Matrix reports to support compensation, benefits, HRIS's, Payroll, Finance, and many other teams.

•Extensively worked on business process definition configuration involving all different types of action and approvals, checklist.

•Participated in the design and optimization of all global HR processes. Ensured the Workday HCM system is Configured and leveraged to support HR business processes.

•Responsible for researching Tier 2 type Workday HCM transaction questions received from the HR Services team. Partner with HR Services/HRIS team members to work through system issues.

•Worked on setting up scheduling of reports and understanding the required permissions for report sharing.

•After the Go live, involved in troubleshooting the day-to-day transaction and business process discrepancy issues and introduced hot fixes as and when needed.

•Designed, configured and automate business processes to enhance the current application systems for HCM including Hire, Change Job, Termination, Propose Compensation etc.

•Configured Security objects including Management Hierarchies, Regions, Locations, edited Domain and Business Process Security Policies, Tenant setup and created reports to meet customer requirements.

•Developed outbound integrations using EIB, Web Services SOAP, WSDL, XML, and XSLT Document Transformation for several integrations from Workday to downstream internal and vendor systems and provided necessary security for related functional area to launch the EIB.

•Designed and implemented Matrix Reports to compare financial performance across various Work tags enabling variance analysis.

•Documentation of Workday processes/configurations/customizations.

•Worked on setting up scheduling of reports and understanding the required permissions for report sharing and support the various reporting functions with Simple and Advanced Reports, defining columns, business objects, fields, columns heading overriding, multiple sorting techniques, sorting by secondary objects with respect to Workday functionality and client business requirements for new implementation initiatives.

•Worked on Payroll Interfaces and designed integrations in both EIB (inbound/ outbound) and Core Connector, managing business processes, working with EIB.

•Configured and tested Workday Compensation including Packages, Salary & Hourly, Bonus & merit plans.

•Troubleshoot the security related issues involving the access and restriction of data for different functional areas and Worked on Setting up dashboards and worklets.

Exeter Finance Aug 2023 - May 2024

Workday Integration Developer Irving, TX

•Involved in the full Workday implementation lifecycle including requirement gathering, technical design, integration development, configuration, testing, deployment, and post-production support.

•Designed, developed, and supported complex inbound and outbound integrations using Workday Studio, Core Connectors, EIB, PECI, PICOF, CCW, CCBs, ADP Connectors, Banking Connectors, and Financial Connectors.

•Built high-volume Payroll integrations, including gross-to-net data exchange, pre-payroll validations, and integrations with external payroll providers (ADP, Kronos, Ceridian, etc.).

•Developed integrations for Absence, Time Tracking, Benefits, Compensation, Staffing, and Core HCM, ensuring accurate transforma- tion and delivery of HR/Payroll data.

•Created and enhanced Workday Studio orchestrations involving XSLT transformations, MVEL/Scripting, custom reports, loops, sequences, fault handling, and event-driven logic.

•Built custom reports (Advanced, Matrix, Composite, Trending) using Workday Report Writer for HCM, Payroll, Benefits, Time Tracking, and Finance operations.

•Created worklets, dashboards, and interactive analytics using prompts, filters, pivots, column selectors, and business metadata.

•Designed Calculated Fields for transformations, conditional logic, report filtering, integrations, and business processes.

•Implemented PECIs/Inbound EIB loads for employee master data, compensation changes, job changes, and payroll-related updates.

•Configured Core HCM including supervisory orgs, staffing models, hiring flows, position management, job profiles, security groups, organizations, and business processes.

•Supported Absence and Time Tracking by configuring plans, accruals, carryover rules, leave types, eligibility rules, and absence calendars.

•Worked on Payroll and Time integrations, including Timeclock files, withholding orders, garnishments, costing allocations, and deduction processing.

•Led data conversion efforts including legacy data extraction, transformation, cleansing, loading through EIB templates, and post-load validation.

•Configured and secured integration security groups, domains, and roles, enabling access to APIs, reports, data sources, and integration systems.

•Developed integrations using Workday Web Services (SOAP/REST), Workday Public API, and custom RaaS services for external system consumption.

•Configured event-based and scheduled integrations, leveraging Workday business processes, triggers, change detection, and integration event rules.

•Performed end-to-end testing including SIT, Integration Testing, Regression, Parallel Payroll, and UAT, writing test cases and validating complex calculation outputs.

•Migrated integrations, reports, security groups, and calculated fields across tenants using IOT (Instance Object Transporter).

•Implemented error handling, alerts, notifications, and integration dashboard monitoring to ensure stability and timely interface runs.

•Collaborated with cross-functional HR, Payroll, Finance, and IT teams to gather requirements, troubleshoot issues, propose design improvements, and ensure successful integration delivery.

•Provided production support for integrations, including debugging failures, optimizing performance, resolving security issues, and conducting root cause analysis.

Deloitte India Pvt.Ltd. Jan 2019 - Jul 2022

Workday Integration consultant Hyderabad, India

•Involved in all phases of Implementation such as Requirement gathering, Analysis, Design, Development, and Testing.

•Involved in implementation of Workday HCM for various HR modules such as Time Tracking, Benefits, Absence Management, Payroll and Compensation.

•Built interactive and selective data reports (pivots, charts, tabular) using concepts such as filters, column selectors. View Selectors, Dashboard prompts and extensively used repository and presentation variables.

•Analyzed Business and Integration requirements.

•Closely worked with business users to understand and analyse new requirements and offering insight valuable workarounds for the existing production and new functionality insights of the existing application.

•Worked on implementation of workday Absences, Time Tracking and Payroll modules

•Configured Absence type groups and initiate the Absence cases and also created Absence tables

•created leave types for leave of absence setup in workday.

•Gained good exposure to plan and execute the phases of Software Development Life Cycle (SDLC) including Requirement Gathering, Analysis, Design, Development, Testing and Maintenance.

•Worked on Absence, Staffing, Benefits, Compensation and different types of Simple, Advanced Custom Reports and Matrix Reports in Workday.

•Designed and Developed Inbound/Outbound Integrations using EIB, Core Connectors and Studio integrations.

•Developed various robust simple, advanced and matrix custom reports in various HCM and Finance modules.

•Extensively worked on Workday data conversion and data validations.

•Worked on Reports to create custom reports using Workday Report Writer to meet the business needs of HR, Finance and Payroll application report consumer groups.

•Created various Benefit, Payroll, HCM and Finance integrations using Workday Connectors like CCW, PICOF, PECI, ADP Connectors, Banking connectors, Finance connectors and CCBs.

•Configured Workday security roles and groups to the required level of confidentially and segregation of duties.

•Performed Integrations/reports testing from scripting test cases to execution for all phases of testing (System Integration Testing, End to End Testing, Parallel, UAT).

•Used instance object transporter to migrate reports, calculate fields from environment to environment.

•Worked collaboratively across HR, Finance, and IS teams to gain maximum efficiency from the various modules used by HR and Payroll.

•Used sequence generators, generating templates, and validating inbound integration system results.

•Created and used Calculated Fields in Reporting, Business Processes, Integrations and other areas within Workday.

•Created complex studio integration which is an inbound and outbound integration which loads new Withholding Orders in to workday and sends back a notification to ADP.

•Configured Security domains and Security groups that secure access to integration templates and integration systems web service operations, report data sources, report fields, and custom reports are secured to various security domains.

•Configured Workday security roles and groups to the required level of confidentially and segregation of duties.

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