Workday System Integration Engineer

---------------ONLY W2----------------ONLY W2------------------ONLY W2---------***********MUST HAVE Workday System Integration experience******************Title: Workday System Integration EngineerL ocation: Houston, TX (Remotw)Duration: 6 Months ContractJob Description:Terms of EmploymentW2 Contract, 6 MonthsRemote OpportunityOverviewOur client is seeking a Senior hands-on Integration Engineer with deep Workday expertise and strong system-agnostic integration and software engineering fundamentals.This role is responsible for designing, building, and troubleshooting API-driven integrations between Workday and enterprise platforms. Workday serves as the system of record, while Microsoft Power Automate and other tools act as orchestration and execution layers.The ideal candidate possesses a deep mastery of Workday APIs, data structures, and business processes, complemented by a robust background in platform-agnostic integration architecture and engineering principles.ResponsibilitiesDesign and implement Workday integrations using:Workday REST APIsWorkday SOAP APIs (Web Services)Workday data model and business process logicConstruct and troubleshoot:XML payloads and API requestsAPI responses and error handlingAuthentication, security, and integration contextBuild integrations that follow sound engineering principles:Explicit validation prior to write-backDeterministic execution and predictable outcomesRobust error handling and retry strategiesFull observability including logging and audit trailsDiagnose integration issues by analyzing:Raw API request and response dataWorkday Business Process state and configurationData integrity and sequencing issues across systemsPartner with engineering teams to support orchestration patterns using tools such as:Power AutomateAPI layersWorkflow and automation platformsEnsure integrations respect system boundaries:Workday enforces business rules and approval flowsExternal systems orchestrate, not override system-of-record logic.Required Skills & Experience4+ years of hands-on experience in Workday integration.Must demonstrate hands-on workday API experience and integration engineering depth.Strong proficiency in Workday SOAP APIs (Web Services), Workday REST APIs, and a deep understanding of the Workday data model and object relationships.Solid understanding of Workday Business Process-controlled API behavior and the ability to construct API requests manually.Proven ability to troubleshoot failures at the request/response level and debug integrations without relying on Studio abstraction layers.Strong understanding of XML structure, namespaces, and schema validation.Comprehensive knowledge of integration security (ISU, ISSG), authentication, and API connectivity patterns.Demonstrated ability to design integrations that are deterministic, resilient, observable, and auditable.Strong understanding of core integration patterns, including API-driven architecture, request/response vs. event-driven models, and orchestration vs. system-of-record responsibility.Ability to define validation layers before system updates and design safe retry strategies that prevent data duplication or corruption.Proficiency in isolating failures across multi-system workflows and experience working across multiple platforms beyond Workday.Strong analytical mindset with the ability to demonstrate software engineering fundamentals and solve complex integration challenges.Sincerely,Preetam RajLead Technical RecruiternTech Workforce Inc.D: 410-505-4857 EXT: 726E: preetam@ntechworkforce.compreetam(at)ntechworkforce(dot)com