9 principal software engineer jobs at 6 companies in Delaware

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
2mo
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Sr. Principal Software Engineer
Wilmington or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
Extensive experience in system design, application development, testing, and operations; expert in one or more programming languages; cloud-native, scalable systems; strong leadership and communication.
Java, Python, C++, Cloud, Kubernetes, CI/CD
3w
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Principal Software Engineer - AI Engineer
Jersey City or Wilmington or Palo Alto
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years software engineering experience; strong Python and PyTorch/TensorFlow; experience with vector storage, agentic AI and LLM deployment, MLOps and CI/CD, cloud (AWS or Azure); leadership and responsible AI practices.
Python, PyTorch, TensorFlow, Vector storage systems, CI/CD, MLOps, AWS, Azure, LLM Suite
5d
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Principal Software Engineer
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years IT experience, 7+ years Java/Swift/SwiftUI/Kotlin, 5+ years mobile architecture experience, CI/CD and testing experience, 1+ year AI/ML experience, Flutter and EM/ML framework familiarity.
Java, Swift, SwiftUI, Kotlin, MVVM, Clean Architecture, Flutter, TensorFlow, PyTorch, Scikit-learn, JavaScript, AngularJS, Angular, NodeJS, LangSmith, Braintrust, Promptfoo, Claude Code, Codex, Cursor, GitHub Copilot, Oracle
1mo
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Principal Embedded Software Engineer
Newark or Marlborough
$139k-$232k/yr HybridFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
12+ YOEExtensive embedded systems experience (RTOS, low-level firmware, device drivers), expert C/C++ and assembly skills, hardware/software integration, leadership and mentoring experience, familiarity with communication protocols (SPI, I2C, UART, CAN) and regulated medical device environments.
FreeRTOS, QNX, Zephyr, C, C++, Assembly, SPI, I2C, UART, CAN, Git, Perforce, Microsoft Azure DevOps, SVN, DICOM, HL7
1w
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Principal Tetragon Software Engineer
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$231k-$332k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
10+ YOE10+ years systems programming experience; strong Go and eBPF knowledge; Linux, distributed systems, and kernel-level experience; architecture and performance optimization skills.
Go, eBPF, C, C++, Java, Python, Rust, Kubernetes, Cilium, Tetragon, Splunk, Linux
2mo
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AI Platform Engineer, Python - Principal Software Engineer
Wilmington or Jersey City
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years software engineering, cloud DevOps, Python expertise, secure production code delivery.
Python, Terraform
1mo
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Principal AI Solutions Engineer
Florida or Texas or Illinois or New York or New Jersey or Alabama or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Indiana or Kansas or Massachusetts or Missouri or North Carolina or Tennessee or Utah or Wisconsin
$160k-$175k/yr RemoteFull Time
TradeStation
TradeStation: Provider of online brokerage services and trading technology.
4+ YOE4+ years in software/ML/data engineering with hands-on AI/LLM experience; bachelor's in CS/engineering/data science or equivalent; expertise with Databricks, Python, SQL, ML infra, cloud platforms, prompt engineering, RAG, observability, and BI tools.
Databricks, Databricks SQL Warehouses, Unity Catalog, MLflow, Python, SQL, Power BI, Sigma, Git, Jira, CI/CD, Kafka, Spark Streaming, Model Context Protocol (MCP), Delta Lake, Lakehouse, AWS, Azure, Google Cloud
4w
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Principal AI Platform Engineer
Florida or Texas or Illinois or New York or New Jersey or Alabama or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Indiana or Kansas or Massachusetts or Missouri or North Carolina or Tennessee or Utah or Wisconsin
$155k-$175k/yr RemoteFull Time
TradeStation
TradeStation: Provider of online brokerage services and trading technology.
7+ YOEBachelor's or equivalent, 7+ years software engineering experience building platform/infrastructure; hands-on with Python/TypeScript, REST/GraphQL, cloud (AWS), Docker/Kubernetes, IAM, LLM/agent integrations, CI/CD and observability.
Python, TypeScript, Go, C#, Node, REST API, GraphQL, Model Context Protocol (MCP), AWS, EKS, Docker, Kubernetes, OAuth2, OIDC, Keycloak, Entra ID, Auth0, Bash, PowerShell, GitLab CI, Helm
2w
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Principal Applied AI Engineer, Finance
Menlo Park or Boston or Indianapolis or Durham or Washington or Missouri or Rhode Island or Maine or New York or Florida or North Carolina or Massachusetts or Illinois or Tennessee or Pennsylvania or Mississippi or New Jersey or Maryland or Michigan or Vermont or Minnesota or West Virginia or Louisiana or California or Ohio or Connecticut or South Carolina or Georgia or Delaware or Wisconsin or Virginia or Kentucky or Indiana
$194k-$341k/yr RemoteFull Time
Genesys
Genesys: Provides AI-powered cloud platform for customer and employee experiences.
8+ YOE8+ years building production AI/ML systems with Python, LLMs, MLOps and cloud (preferably AWS); expertise in time-series forecasting, predictive modeling, and agentic/Generative AI; strong software engineering and CI/CD experience.
Python, LLMs, Docker, Kubernetes, AWS, CI/CD, APIs, MLOps, RAG, vector databases