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5 principal software engineer jobs at 5 companies in Beloit, WI

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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
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Principal Software Engineer
Madison, Wisconsin, United States
$153k-$259k/yr OnsiteFull Time
Exact Sciences
Exact SciencesNASDAQ: EXAS: Provides molecular diagnostic tests for early cancer detection.
Senior individual contributor with expertise in OO languages, REST/DB, cloud, Agile, and enterprise-scale digital engineering.
C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, JPA, Hibernate, Azure, AWS, JIRA, Confluence
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2w
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Principal Engineer, Software Engineering
Rockford, Illinois, United States
$127k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOE3+ MgmtBachelor's in CS/EE or related with 8+ years (or Master's with 5+ years); 5+ years embedded C; 3+ years leading 10–20 person teams; 3+ years DO-178B/C and generator/bus power control software experience; U.S. work authorization required without sponsorship.
embedded C, DO-178B/C
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1mo
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Chief Principal Software Engineer- Cloud
Greenville or Remote or Remote
$119k-$204k/yr HybridFull Time
Oshkosh
OshkoshNYSE: OSK: Manufacturer of specialty trucks, military vehicles and access equipment.
8+ YOE8+ years backend cloud software development; Azure cloud; C#/.NET; IoT/cloud data platforms; containerization; CI/CD; security and observability.
Azure, C#, NET Core, Docker, Kubernetes, Terraform, GitHub Actions, Event Grid, Event Hub, Azure Functions, CosmosDB, Redis, Azure Monitor, Application Insights
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1mo
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Principal Agentic Engineer
San Francisco or Madison
$175k-$300k/yr OnsiteFull Time
MGT Insurance
MGT Insurance: AI-driven neo-insurer providing commercial insurance for small businesses.
6+ YOE6+ years experience building LLM-based agents and autonomous systems; expertise with OpenAI GPT/Anthropic Claude, LangChain/CrewAI; strong software engineering in Python and TypeScript; agent architecture and observability experience.
OpenAI GPT, Anthropic Claude, LangChain, CrewAI, Python, TypeScript, React
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1mo
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IT Principal Enterprise Delivery Lead
Austin or Madison
$161k-$241k/yr HybridFull Time
Zendesk
Zendesk: Provides cloud-based software for customer service and support.
10+ YOE5+ Mgmt10+ years in Software Quality Engineering with 5+ years in senior leadership QA/Delivery; strong QA governance, automation, and defect lifecycle.
Jira, Xray, QA Automation
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