Senior Platform Engineer, Workday Extend & Integrations

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.The People Technology stack has never been more capable, the differentiator now is the expertise to unlock it. . As a Senior Workday Engineer at Lyft, you'll be the technical cornerstone of our People Technology team, owning the design, development, and delivery of the integrations, custom applications, and AI solutions that the entire People function depends on. This role uniquely combines deep, demonstrable mastery across the full Workday technology stack with an AI-native engineering approach, enabling you to build solutions that don't just automate what exists today but fundamentally raise the bar for how People Technology delivers value.We're seeking a hands-on engineer who commands the full depth of the Workday ecosystem, from Studio and Core Connectors to Extend and Prism Analytics, and brings the technical judgment to architect solutions that scale with the business. You'll be the trusted technical owner of our People Technology platforms, partnering closely with HR, Payroll, Finance, and Benefits stakeholders to translate complex requirements into scalable, maintainable solutions that truly move the needle. With AI reshaping how People Technology teams operate, your expertise will be critical in actively identifying, building, and shipping AI-powered solutions that eliminate manual work, accelerate delivery, and push our teams from tactical execution to strategic impact. In this role, you'll integrate LLMs into HR workflows, build and maintain MCP servers that expose People systems data securely to AI agents, mentor junior engineers, and set the engineering standard for a team that is redefining what enterprise People Technology looks like.If you are a candidate who has the vision of what could be, who has the ability to cultivate relationships, and has a belief in driving impact, then you may be the ideal person for this position. We are committed to building a diverse and inclusive team and encourage applications from candidates of all backgrounds.Responsibilities:Design, build, test, and maintain Workday integrations across all integration types: Core Connectors, EIB (Enterprise Interface Builder), and Workday StudioOwn the full integration lifecycle from requirements gathering through production support and ongoing maintenanceArchitect and develop custom applications using Workday ExtendBuild and maintain Workday Prism Analytics pipelines for data transformation, enrichment, and reporting enablementIdentify and build AI-powered automations that reduce manual HR and People Ops workflowsDevelop and maintain MCP (Model Context Protocol) servers that expose Workday and other people systems data and actions securely to AI agentsDevelop Workday reports (Advanced, BIRT) and calculated fields to support complex business logicBuild and support integrations with benefits carriers and PECI integrationsConduct design and code reviews, mentor junior engineers, and drive integration best practicesDocument technical designs, data mappings, integration specifications, and runbooksManage work items and track progress using Jira; maintain thorough documentation in Confluence or equivalent systemsStay current with Workday releases and evaluate new features for adoptionServe as the technical owner for various People Technology systems, including Workday, Qualtrics, Docebo, Udemy, and Greenhouse — accountable for their stability, configuration, integrations, and roadmapSupport the broader People Technology ecosystem by troubleshooting issues, managing vendor relationships, and partnering with HR stakeholders across all platformsExperience:5+ years of hands-on Workday integration experience across Core Connectors, EIB (inbound and outbound), and Workday Studio3+ years of experience with payroll and benefit integrations including PECI, payroll interface,benefits carrier and third-party payroll system connections2+ years of proven experience developing and shipping custom applications in Workday Extend, including custom business objects, fields, orchestration, and UI development2+ years of hands-on experience building Workday Prism pipelines including source selection, transformation steps, and publishing datasetsProven hands-on experience building AI-powered features, such as integrating LLMs into HR workflows, automating manual processes using AI agents that meaningfully reduce manual work and accelerate People Ops deliveryDeep proficiency in Workday Studio including XSLT, XPath, document transforms, and complex multi-step orchestrationsExperience with REST/SOAP APIs and Workday Web Services (WWS)Strong command of Workday reports and calculated fields needed for Integrations and ExtendAbility to produce clear technical documentation including design docs, data mapping specs, runbooks, and integration guidesPreferred:Experience with Workato integration platformExperience with building and maintaining MCP servers to expose people systems data securely to AI agentsExperience leading or supporting payroll migrations, including data mapping, parallel testing, and cutover coordinationWorkday Integration CertificationFamiliarity with Workday OrchestrateBackground in HR, Payroll, or Benefits operationsSolid understanding of the Workday security model including domain security policies, business process policies, and role-based, user-based groupsExperience working with or integrating Dayforce by Ceridian systemExperience supporting HR and People Technology workstreams during MA, including system consolidation and integration of vendorsBenefits:Great medical, dental, and vision insurance options with additional programs available when enrolledMental health benefitsFamily building benefitsChild care and pet benefits401(k) plan with company match to help save for your futureIn addition to 12 observed holidays, salaried team members have discretionary paid time off, hourly team members have 15 days paid time off18 weeks of paid parental leave. Biological, adoptive, and foster parents are all eligibleSubsidized commuter benefitsMonthly Lyft credits and complimentary Lyft Pink membershipLyft is an equal opportunity employer committed to an inclusive workplace that fosters belonging. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, age, genetic information, or any other basis prohibited by law. We also consider qualified applicants with criminal histories consistent with applicable federal, state and local law.Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule — Team Members will be expected to work in the office 3 days per week on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #HybridThe expected base pay range for this position in the San Francisco area is USD $148,000 - USD $185,000, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.