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Crusoe Logo Crusoe · IT - Software Development

Senior API Integration Engineer

United States, San Francisco 165000.00 - 200000.00 USD / Year · Job Posted February 21, 2026
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Job Description

Be a part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that’s setting the pace for responsible, transformative cloud infrastructure. We’re seeking a Senior API Integration Engineer to serve as a strategic technical partner driving enterprise-wide digital transformation through intelligent automation and scalable system integrations. This role will lead the design and delivery of mission-critical integrations across our People Tech ecosystem, with a strong emphasis on Workday HCM, while setting integration standards, mentoring engineers, and partnering closely with business leaders to modernize workflows at scale.

Job Responsibility

  • Architecting and building enterprise-grade integrations using the Workato ONE platform to enable intelligent workflow automation
  • Designing, developing, and maintaining deep API integrations across Workday HCM and the broader People Tech stack (payroll, ATS, LMS, compensation, benefits, performance, analytics)
  • Leveraging AI-powered automation within Workato to improve efficiency, resiliency, and predictive process optimization
  • Establishing reusable integration architecture patterns, frameworks, and governance standards that scale across both human-led and automated workflows
  • Partnering with business and IT stakeholders to gather requirements, lead discovery sessions, assess ROI, and translate complex needs into scalable technical solutions
  • Leading integration initiatives end-to-end, from concept through deployment, including sprint execution, technical reviews, and delivery accountability
  • Providing senior-level escalation support, ensuring reliability, monitoring, alerting, and incident response for critical integrations

Requirements

  • 7+ years of experience as an API Developer or Integration Engineer in enterprise environments
  • 3+ years of hands-on production experience with Workato, ideally with Workato ONE
  • Deep expertise building and operating complex Workato recipes, including error handling, monitoring, batch processing, custom connectors, SDK development, and API collections
  • Interest in and exposure to AI-assisted development workflows and intelligent automation
  • Collaborating with internal software engineering teams to ensure integration patterns and API access are available for custom-built internal tools and automations
  • Proven experience integrating Workday HCM (Core HCM, Recruiting, Talent, Compensation, Time, Absence, Benefits)
  • Strong background integrating People Tech platforms across payroll, ATS, LMS, compensation, performance, and benefits systems
  • Expert knowledge of enterprise integration best practices, EAI/SOA patterns, and iPaaS architectures
  • Proficiency with RESTful APIs, webhooks, JSON/XML, OAuth 2.0, SAML, SOAP, RBAC, and API security best practices
  • Experience with Agile/Scrum delivery, Jira/JSM, Confluence, and CI/CD workflows
  • Strong understanding of HR data models, compliance requirements (e.g., GDPR, SOC 2), and secure handling of sensitive PII

Nice to have

  • Workato Foundations or Integration Developer certifications
  • Workday certifications or experience with Workday Studio, EIB, and Web Services
  • Experience with additional iPaaS platforms (e.g., MuleSoft, Boomi, Informatica)
  • Background in HR technology consulting or HRIS implementations
  • Experience with cloud platforms (AWS, Azure, GCP), IaC tools, or identity and SSO integrations
  • Experience in high-growth or highly regulated environments

What we offer

  • Restricted Stock Units in a fast growing, well-funded technology company
  • Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
  • Employer contributions to HSA accounts
  • Paid Parental Leave
  • Paid life insurance, short-term and long-term disability
  • Teladoc
  • 401(k) with a 100% match up to 4% of salary
  • Generous paid time off and holiday schedule
  • Cell phone reimbursement
  • Tuition reimbursement
  • Subscription to the Calm app
  • MetLife Legal
  • Company paid commuter benefit
  • $300/month
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