Sr Software Development Engineer - Core Platform Integration

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About the role

Your work days are brighter here. We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we’re shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you’ll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We’re in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you’ll do meaningful work with Workmates who’ve got your back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you too. About the Team The Core Platform Integration Team is a new centralized team within Workday’s Core Services organization that sits at the intersection of Workday's IPE (Infrastructure Platform Engineering) organization and our acquired companies. Workday has acquired several companies in the last couple of years that run multiple services across cloud service providers AWS and GCP with their own infrastructure patterns, CI/CD pipelines, and operational practices. Our charter is to bring these companies onto CP2, Workday's cloud-agnostic "paved road" platform, so that 100% of services can run on any CSP. That means migrating workloads off CSP lock-in services (managed databases, proprietary queues, vendor-specific identity, etc.) and onto standardized CP2 building blocks for compute, networking, observability, CI/CD, and security. This is a small, high-leverage team working directly with acquisition engineering leads, IPE platform owners, and Workday SREs. We operate in the open, driving architecture review boards, building migration scorecards, sizing onboarding effort, and producing the roadmap that shapes both what the IPE platform must build and what acquired teams must refactor. The work is technical, cross-organizational, and high-impact. About the Role As a Senior Software Engineer on this team, you'll be one of the hands-on technical engineers working closely with acquired company engineering teams to plan, implement, and execute their migration to CP2. You'll own the technical delta analysis for assigned acquisitions, design the migration approach, and write the code, IaC, and automation that gets services moved. • You will partner with engineering leads at 2–3 assigned acquired companies to inventory their services, dependencies, and CSP-specific footprint (managed DBs, IAM, networking, queues, secrets, observability stack, etc.). • You will produce a per-service migration plan: what stays, what gets refactored onto CP2 paved-road components, and a T-shirt-sized effort estimate (S/M/L). • If and as needed, you will rewrite Terraform/Terragrunt modules to target CP2, port CI/CD pipelines, swap CSP-locked services for CP2 equivalents, and re-instrument observability (logs, metrics, traces, SLOs) to Workday standards. • We will rely on you to identify gaps in the CP2 paved road and feed concrete, well-scoped feature requests back to IPE platform teams — with enough technical specificity that they can be prioritized and built. • You will help establish repeatable migration patterns (a "playbook") so future acquisition onboarding is faster than the first. • You will be an a

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