Staff AI and Automation Engineer (Workday)

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

Role summary

The Staff Integrations and AI Engineer (Workday) will be the technical lead for integrations across DDN’s Workday Finance and HCM ecosystems. This hands‑on role will partner closely with HR, TA, and Finance business stakeholders, the HCM and Finance Systems teams, and enterprise technology teams to design, build, support, 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.

What you’ll do

• Lead the 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 (Workday Connector/Native, iPaaS, Studio, Orchestration for Integrations, Google Cloud Functions, etc) 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.

What we’re looking for

• 5+ years of hands‑on Workday integration development experience, with a strong 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.

Nice to have

• Experience building AI‑enabled workflows through APIs, including safe and scalable integration of AI services into business processes.

• Experience with Claude Code, command-line tooling, or developer productivity automation.

• Experience with Workday Orchestrate for Integrations, Workday Extend, Workday Security, BIRT, or automated integration testing.

• Experience supporting global or multi‑country HCM or finance environments.

• Current or prior Workday Integration or Workday Studio certification.