Senior Software Engineer - API Platform (Python/Typescript)

Workday
Dublin
Workplace: HybridFull timeFunction: Software EngineeringExperience: 8+ yearsSkills: ["Git","OpenAPI","REST","GraphQL","TypeScript","Python","Distributed systems","Observability","Logging","Tracing","CI/CD","RFCs","Testing"]

Lead design and development of high-throughput, low-latency backend services and APIs powering Workday’s agentic AI features. Define evolvable API contracts (OpenAPI), champion API standards, and enable REST/GraphQL integrations. Drive performance, observability, and scalable architectures while mentoring engineers and partnering with product teams across the organization.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Workday
Workday
2 months ago

Senior Software Engineer - API Platform (Python/Typescript)

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 38 days agoStatus: Live

Job Summary

Lead design and development of high-throughput, low-latency backend services and APIs powering Workday’s agentic AI features. Define evolvable API contracts (OpenAPI), champion API standards, and enable REST/GraphQL integrations. Drive performance, observability, and scalable architectures while mentoring engineers and partnering with product teams across the organization.
Location: Dublin
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •Lead end-to-end design and development of complex backend services and APIs used by Product Engineering teams
  • •Drive consensus with product managers, architects, and partner teams to define clear, evolvable API contracts and data models using OpenAPI and internal standards
  • •Champion consistent API standards, patterns, and tooling that align with cross-organization guidance while solving concrete product needs
  • •Help Product Engineering teams expose capabilities via REST, GraphQL, and emerging integration patterns in a way that is friendly to agents and external consumers
  • •Drive performance and scalability improvements, including latency optimization, capacity planning, and resiliency strategies for mission-critical product flows
  • •Design and implement observability for product APIs (metrics, tracing, structured logging) and use data to inform technical decisions and SLOs
  • •Collaborate on frameworks, tools, and patterns that make it simpler for other Product Engineering teams to define, publish, and maintain APIs
  • •Work with data platform teams to define patterns for exposing data safely and efficiently to API and agent workflows
  • •Provide technical leadership through design reviews, RFCs, spike investigations, and coaching junior engineers
  • •Participate in and improve on-call and incident response processes; own root cause analysis and long-term remediation for significant issues
  • •Act as a trusted technical partner to teams across Product Engineering, helping them make sound API and integration decisions

Key Requirements

  • •8+ years of software development experience, architecting, building, and scaling backend systems.
  • •5+ years of hands-on experience with TypeScript or Python in production.
  • •4+ years designing, building, and maintaining scalable web APIs (REST/GraphQL) with contract-first design (OpenAPI/Swagger)
  • •3+ years of distributed systems experience handling high-throughput workloads, concurrency, or advanced caching
  • •2+ years implementing and managing production observability (structured logging, distributed tracing, metrics) and owning on-call/incident remediation
Experience:8+ yearsAIEnterprise softwareAPIs
Skills:GitOpenAPIRESTGraphQLTypeScriptPythonDistributed systemsObservabilityLoggingTracingCI/CDRFCsTesting
Languages:English
Tech Stack:TypeScriptPythonOpenAPISwaggerRESTGraphQLKubernetesGitPostmanJUnitScalaTestMockito

Company Brief

Workday
Provides cloud-based enterprise applications for human capital management, financial management, payroll, and analytics. Delivers unified HR and finance software suites to large organizations, enabling workforce planning, talent management, payroll, and financial reporting.
Industry: HR Tech
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Pleasanton, United States
Founded: 2005
WebsiteLinkedIn