WillHire

Principal Software Engineer – Gen AI

WillHire

full-time

Posted on:

Location Type: Hybrid

Location: BoulderColoradoOregonUnited States

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Salary

💰 $200,600 - $301,000 per year

Job Level

About the role

  • Lead design and development of sophisticated AI agents that reason, learn, and interact across complex business processes to enhance productivity and decision-making
  • Embed secure, scalable, and reliable agentic capabilities into core Adaptive Planning features
  • Collaborate with extraordinary engineers and product managers to bring ideas to life
  • Lead the full AI development lifecycle—problem framing, data prep, design & development, deployment, evaluation, and continuous improvement
  • Harness Workday Adaptive Planning’s vast enterprise datasets to tune and optimize your AI models for high-value outcomes
  • Provide technical guidance to junior engineers
  • Conduct critical code reviews and unblock the team on deep technical hurdles

Requirements

  • 4+ years experience working on a data science, machine learning or related software development team
  • 4+ years experience with Python supporting ML/AI libraries, with experience in shipping secure, production solutions
  • 4+ years of experience in object oriented programming with Java
  • 5+ years experience in SaaS software development
  • Bachelor's degree in a relevant field, such as Computer Science, Mathematics, or Engineering
  • A PhD or MS degree in a relevant field, such as Computer Science, Mathematics, or Engineering is highly desired
  • Extensive experience with large language models (LLM), retrieval augmented generation (RAG) systems, semantic search and text embedding models, MCP, langgraph, vibe coding, transformer neural networks, and related frameworks
  • Experience with cloud computing platforms (e.g. AWS, GCP), containerization technologies (e.g. Docker) and data engineering pipelines (e.g. ETL)
  • Experience developing and deploying machine learning solutions using large-scale datasets, including specification design, data collection and labeling, model development, validation, deployment, and ongoing monitoring
  • An ability to balance speed with delivering high-quality, practical solutions
  • Shown perseverance in overcoming significant problems
  • Strong focus on delivering high-quality software products, continuous innovation, and value in test automation and performance engineering
Benefits
  • Workday Bonus Plan
  • Role-specific commission/bonus
  • Annual refresh stock grants
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Pythonmachine learningAI development lifecycleobject oriented programmingJavalarge language modelsretrieval augmented generationsemantic searchtext embedding modelstransformer neural networks
Soft Skills
technical guidancecollaborationproblem framingperseverancehigh-quality solutionscontinuous improvementinnovationfocus on qualitycommunicationleadership
Certifications
Bachelor's degree in Computer ScienceBachelor's degree in MathematicsBachelor's degree in EngineeringPhD in Computer SciencePhD in MathematicsPhD in EngineeringMS in Computer ScienceMS in MathematicsMS in Engineering