Workday

Senior Software Engineer - Context and Semantics (AI)

Workday
Apply
1 day ago
Pleasanton, CA, USASenior
H1B sponsor

Base Salary

$160k - $285k/yr

Responsibilities

  • Architect, build, and deploy backend services, APIs, and data pipelines for Workday’s semantic and context layer.
  • Design and optimize enterprise RAG pipelines with embedding generation, intelligent chunking, and vector database integration.
  • Build distributed query execution and federation layers using technologies such as Trino to connect transactional systems and data lakes.
  • Develop dynamic context and memory workflows with LlamaIndex, LangChain, GraphRAG, or similar orchestration frameworks.
  • Implement privacy, tenant isolation, role-based access control, and other data governance guardrails in retrieval and context systems.
  • Optimize low-latency retrieval, high-throughput LLM interactions, token management, and context-window efficiency.
  • Mentor junior and mid-level engineers, lead code and design reviews, and establish engineering practices for a 0-to-1 product area.

Requirements

  • 8+ years of professional software engineering experience focused on backend architecture, data engineering, or distributed systems.
  • 5+ years of hands-on programming experience in Java, Python, Scala, or Go.
  • At least 1 year of dedicated experience building production-grade LLM applications, RAG pipelines, vector search systems, or knowledge graphs.
  • Bachelor’s degree in Computer Science, Software Engineering, or an equivalent technical field; a master’s degree is preferred.
  • Experience building or optimizing distributed SQL query engines such as Trino, Presto, or Spark and bridging operational and analytical data stores.
  • Deep understanding of AI orchestration frameworks such as LangChain, LlamaIndex, and Semantic Kernel, as well as embedding models.
  • Experience architecting scalable, high-performance REST/gRPC APIs and microservices.
  • Experience handling sensitive, highly regulated data and understanding enterprise security boundaries and data governance.
  • Ability to work autonomously in ambiguous, open-ended AI product environments and translate goals into scalable engineering systems.
  • Experience with the Workday platform or enterprise SaaS architectures is a strong plus.

Benefits

  • Annual base salary ranges from $160,100 to $285,100 depending on location, with the primary Pleasanton range listed as $190,100 to $285,100; bonus and annual refresh stock grants may also be available.
  • Flexible work model requiring at least 50% of each quarter in the office or in the field, with remote home-office roles also able to gather in company offices.
  • Equal opportunity employer with reasonable accommodation support and consideration under applicable Fair Chance laws.

Tech Stack

Apache SparkElasticsearchGogRPCJavaPrestoPythonScala

Categories

AI ApplicationsBackendData Engineering
Workday

About Workday

10,000+ employees

Workday builds cloud-based enterprise applications for human capital management and financial management, including payroll, time tracking, expenses, planning, and procurement, sold on a subscription basis with professional services. Founded in 2005 and headquartered in Pleasanton, California, it is a public company traded on NASDAQ as WDAY. Organizations worldwide use Workday to unify HR and finance data, automate processes, and apply AI to workforce and financial operations.

Contact me