Lead AI & Workday Integrations Engineer

DDN; Madrid; On-site; EUR 90,000 - 120,000; Full time

Job summary

DDN invites applications for a Staff Integrations and AI Engineer (Workday) to serve as the technical lead for integrations across Workday Finance and HCM ecosystems. This hands-on role partners with HR, TA, and Finance to design, build, and evolve secure, scalable integrations and automations.

You will balance proven Workday integration patterns with modern API-driven automation, including AI-enabled workflows, in a fast-paced and evolving environment.

Qualifications

• 5+ years of hands-on Workday integration development experience, with a focus on Workday HCM or Financials.
• Demonstrated experience leading integration work from requirements through design, development, testing, deployment, and post-production support.
• Deep practical expertise with Workday Studio, EIBs, Workday web services, Core Connectors, custom reports, Integration Security Groups, and document transformations.
• Natural curiosity and desire to learn, grow, and share.
• Strong experience with XSLT, XML, JSON, REST APIs, SOAP APIs, and API-based system integration patterns.
• Experience with iPaaS technologies, preferably Workato or a comparable platform.
• Solid understanding of Workday HCM or Finance business processes and data domains, such as Core Financials, Core HCM, staffing, compensation, time, absence, payroll, procurement, suppliers, customers, banking
• Strong customer service and ability to communicate technical concepts, data tradeoffs, and delivery risks clearly to both business and technical partners.
• Strong analytical and problem-solving skills, with a high level of ownership and attention to data quality, security, and reliability.
• Comfortable operating in a global and fast-paced environment, prioritizing across concurrent initiatives, and moving between standard connector implementations and novel automation challenges.

Responsibilities

• Lead end-to-end design, development, testing, deployment, and support of Workday HCM integrations with internal systems, vendors, and enterprise platforms.
• Partner directly with HR, TA, and Finance stakeholders to translate business needs into clear, supportable technical designs and data flows.
• Build and enhance integrations using Workday Studio, EIBs, Workday connectors, reports-as-a-service, web services, Workday Orchestration for Integrations, and document transformations.
• Develop integrations and automations using REST and SOAP APIs, JSON, XML, XSLT, and GraphQL where appropriate.
• Use integration-platform-as-a-service technologies, including Workato, to orchestrate workflows across Workday and adjacent systems.
• Provide technical leadership and pragmatic guidance on best choice integration tool for people data movement depending on the use case.
• Design innovative, API-based automations that responsibly incorporate AI capabilities while maintaining strong security, reliability, and operational controls.
• Own integration troubleshooting, monitoring, root-cause analysis, and production support; improve resiliency, observability, and documentation over time.
• Establish and maintain technical specifications, field mappings, test plans, deployment runbooks, and integration documentation.
• Participate in Workday release-impact analysis and testing, identifying enhancements and risks across the integration landscape.

Skills

Workday integration

Workday HCM/Finance

REST APIs

SOAP APIs

JSON

XML

XSLT

GraphQL

iPaaS Workato

AI workflows

Data security

Tools

Workday Studio

EIBs

Workday Connectors

Reports-as-a-service

Web services

Workday Orchestration

iPaaS (Workato)

Google Cloud Functions

Job description

DDN invites applications for a Staff Integrations and AI Engineer (Workday) to serve as the technical lead for integrations across Workday Finance and HCM ecosystems. This hands-on role partners with HR, TA, and Finance to design, build, and evolve secure, scalable integrations and automations.

You will balance proven Workday integration patterns with modern API-driven automation, including AI-enabled workflows, in a fast-paced and evolving environment.