11 principal software engineer jobs at 5 companies in Modesto, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Principal Software Development Engineer - Developer Platform
Pleasanton, California, United States
$223k-$334k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOE12+ years software engineering (including 3+ years principal/staff level), 6+ years in distributed systems, deep front-end expertise (React, HTML, CSS), API/SDK design, cloud-native and Kubernetes experience, strong communication; BS required, MS preferred.
React, HTML, CSS, Kubernetes, GCP, AWS, Azure, REST, GraphQL, OAuth 2.0, OIDC, SDK, API, GKE, LLM
1mo
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Principal Software Engineer - Core Platform Integration
Pleasanton, California, United States
$223k-$334k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOE12+ years in software and infrastructure engineering with deep AWS and GCP experience; expertise in Kubernetes, Terraform/Terragrunt, Go/Python, observability, CI/CD, multi-cloud migrations, security fundamentals; bachelor's preferred.
Claude Code, Cursor, Augment, Go, Python, Kubernetes, EKS, GKE, Calico, Istio, Terraform, Terragrunt, Prometheus, Grafana, OpenTelemetry, GCP Operations Suite, BigQuery, ArgoCD, Flux, GitHub Actions, GitLab CI, Jenkins, Harness, Aurora, Cloud SQL, Spanner
1mo
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Principal, Software Engineer (Distributed Systems)
Pleasanton or United States
$223k-$334k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOEBachelor's or Master's in CS/Engineering (or equivalent), 12+ years building large-scale distributed systems, Java/Scala/Go experience, Docker/Kubernetes, AWS/GCP cloud expertise, containerization, CI/CD and AI-assisted tooling knowledge.
Java, Scala, Go, Docker, Kubernetes, AWS, GCP, S3, Lambda, EC2, Cursor, Claude Code, GitHub Copilot, React, TypeScript, Model Context Protocol (MCP), CI/CD
3d
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Lead Principal Application Software Engineer- Forward Deployed Engineer
Pleasanton or California or United States
$105k-$264k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOE10+ years designing and delivering enterprise data platforms; expert with Oracle AI Data Platform, Databricks, Snowflake, Apache Spark, Delta Lake, cloud platforms, and stakeholder communication.
Oracle AI Data Platform, OCI services, Databricks, Snowflake, Apache Spark, Delta Lake, Azure, AWS, Kafka, Python, SQL, Scala, Java, OCI - DevOps, OCI Generative AI, OCI - Generative AI Agent Hub
1w
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Principal AI Engineer
Pleasanton or Seattle or Atlanta or Vancouver or Boulder or San Francisco or Toronto
$246k-$370k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
10+ YOE10+ years software engineering experience with distributed systems and cloud; 2+ years integrating LLMs and building AI orchestration; expertise in system design, Responsible AI, and mentoring senior engineers.
LLMs, Foundation Models, modern AI APIs, AWS, GCP
1mo
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Principal AI Engineer
Santa Clara or Milpitas or Mountain View or East Foothills or Los Altos or Stanford
$176k-$293k/yr HybridFull Time
BMC Software
BMC Software: Provides enterprise software for IT management and automation.
8+ YOE8+ years building and operating production-grade software with recent depth in AI/ML; proven experience shipping agentic AI systems, evaluation/experimentation frameworks, RAG/retrieval, and cloud-native tooling (Git, Docker, Kubernetes, CI/CD, AWS/Azure/GCP).
LangGraph, Google ADK, Git, Docker, Kubernetes, CI/CD, AWS, Azure, GCP
3mo
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Principal AI Engineer - AgenticAI
Santa Clara or Milpitas or Mountain View or East Foothills or Los Altos or Stanford
$176k-$293k/yr HybridFull Time
BMC Software
BMC Software: Provides enterprise software for IT management and automation.
10+ YOE10+ years software development with expert Python; proven experience building, deploying, and operating production AI/LLM systems for B2B customers; cloud deployment experience (AWS/Azure/GCP); agent/LLM/ RAG expertise.
Python, LangGraph, LangChain, LlamaIndex, Pinecone, Weaviate, FAISS, Milvus, AWS SageMaker, Vertex AI, OpenAI, Anthropic, Kubernetes, APIs, LLMs, RAG, LoRA, QLoRA, RLHF, PPO, DPO, GRPO
1mo
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Principal Hardware Engineer - Fluidics - Pleasanton, CA
Pleasanton or United States
$250k-$270k/yr OnsiteFull Time
Calyxo
Calyxo: Develops vacuum-assisted devices for minimally invasive kidney stone removal
15+ YOEBachelor's in engineering required, 15+ years developing fluidic/mechatronic/control systems for regulated products, expertise in fluid dynamics, closed-loop control, prototyping, embedded software (C/C++, Python), medical device standards (IEC 60601, ISO 13485).
C, C++, Python
1mo
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Senior/Principal R&D Systems Engineer - Special Programs, Onsite
Livermore, California, United States
$140k-$281k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's degree + 5 years relevant experience (or equivalent); ability to obtain DOE Q-level security clearance with SCI; systems engineering, requirements, testing, IT/software architecture, and data analysis skills; ability to work onsite in Livermore, CA.
2w
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Senior/Principal R&D Digital Systems Security, Hybrid
Albuquerque or Livermore
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's plus 5 years relevant experience (or equivalent), ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and familiarity with secure-system design and verification.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly, ASIC, FPGA, NIST, CNSS
2w
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Senior/Principal R&D Digital Systems Security, Hybrid
Livermore, California, United States
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
5+ YOEBachelor's +5 years or equivalent experience in digital systems security, ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and programming; strong communication skills.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly