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Principal United States Jobs

1649 Job Offers

Principal Software Engineer
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Principal Software Engineer sought by Baxter in Milwaukee to architect and enhance life-saving cardiology software. Requires 5+ years in C#/C++ with .NET, relational databases, and Agile practices. Ideal candidates have medical device experience (IEC 62304). Benefits include immediate medical/den...
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Salary
120000.00 - 165000.00 USD / Year
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Baxter
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Principal Data Scientist, Ads
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Lead the future of Reddit’s ad marketplace as a Principal Data Scientist. Drive strategic innovation in auction design, causal inference, and advertiser ROI using advanced statistics and machine learning. Partner with Product and Engineering to build scalable solutions. This remote US role offers...
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268000.00 - 365100.00 USD / Year
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Reddit
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Senior Principal Customer Success Manager
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Senior Principal Customer Success Manager role at PagerDuty in New York. Drive digital transformation for Fortune 100 clients using AI/ML and automation. Requires 8-10 years of customer-facing SaaS experience, expertise in DevOps, IT architecture, and business value ROI models. Enjoy competitive ...
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124800.00 - 171600.00 USD / Year
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PagerDuty
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Principal Software Engineer, Web
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Join Walmart’s Emerging-Tech group as a Principal Software Engineer, Web in Bentonville, AR. Lead the creation of next-gen retail experiences using React, TypeScript, and Node.js. You will architect complex systems, mentor engineers, and drive best practices. Enjoy top benefits including 401(k) m...
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110000.00 - 220000.00 USD / Year
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Walmart
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Principal, Software Engineer
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Lead backend engineering for Walmart’s Edge Direct IoT platform, managing a fleet of in-store access points. Drive architecture decisions, migrate services to WCNP, and coordinate releases using Go, MQTT, HashiCorp Vault, and Postgres. Requires 5+ years in software engineering with production Gol...
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United States, Sunnyvale, Bentonville
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Salary
143000.00 - 286000.00 USD / Year
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Walmart
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Principal Data Scientist - Rentals Shopping
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Principal Data Scientist sought to lead the Rentals Shopping pillar at Zillow, driving data strategy for the rental consumer journey. You will partner with product leadership to shape roadmaps using advanced modeling, causal inference, and experimentation at scale. Requires a PhD/Master’s, 8+ yea...
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Location
United States, Remote-USA
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178300.00 - 284700.00 USD / Year
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Zillow
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Principal Data Scientist - Rentals Marketplace Ads Team
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Join Zillow’s Rentals Marketplace Ads Team as a Principal Data Scientist. Leverage your Ph.D/Master’s and 8+ years of experience in quantitative analysis, A/B testing, and causal inference to build value-based pricing systems. Master SQL, Python, and Databricks to analyze complex datasets and dri...
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169300.00 - 284700.00 USD / Year
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Zillow
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Principal Software Engineer, Foundry Agents - CoreAI
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Join Microsoft’s CoreAI team as a Principal Software Engineer to build cloud-native systems for the Foundry Agents platform. You will architect secure, enterprise-scale agent deployment, fine-tuning, and observability services. Requires 6+ years in C++, Python, or Java, with expertise in distribu...
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139900.00 - 304200.00 USD / Year
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Microsoft Corporation
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Principal Systems Safety Engineer
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Principal Systems Safety Engineer sought in Phoenix, AZ to lead safety strategies for advanced integrated avionics platforms. You will conduct hazard analyses, fault tree analysis, and FMEA, ensuring compliance with SAE/ARP 4761 and 4754A. Requires a Bachelor's in Engineering and 6+ years in comm...
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Real Time Consulting
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Principal, Software Engineer, Back End
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Walmart seeks a Principal Back End Software Engineer to lead the Emerging-Tech group in Bentonville, AR. You will architect and build next-gen retail experiences, leveraging Java, distributed systems, and containerization (Docker/K8s). This role requires 12+ years of experience, expertise in scal...
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110000.00 - 220000.00 USD / Year
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Walmart
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Principal Machine Learning Engineer, Agentic AI
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We are seeking a Principal Machine Learning Engineer to pioneer Agentic AI solutions in the United States. You will design and deploy multi-agent systems using LangChain/LangGraph, leveraging advanced GenAI models for autonomous, context-aware interactions. Ideal candidates possess 7+ years build...
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Zillow
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Principal Software Engineer
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Microsoft Security seeks a Principal Software Engineer in Redmond, WA to lead AI-first, high-scale service architecture. You will drive infrastructure security, mentor teams, and innovate on cloud solutions using C#, Python, or Java. Requires 6+ years experience, a CS degree, and expertise in LLM...
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139900.00 - 304200.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer – Developer Experience
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Principal Software Engineer – Developer Experience role in Austin, TX, driving developer productivity and insights at General Motors. You will define technical strategy for CI/CD, golden paths, and AI-powered engineering workflows. Requires 10+ years in software development, expertise in distribu...
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General Motors
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Principal Software Engineer
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Principal Software Engineer role at Walmart Global Tech, shaping systems for 240M+ customers. Lead design and launch of high-impact distributed systems using React, Node.js, Java, and cloud services. Requires 10+ years experience in service-oriented architecture and end-to-end ownership. Based in...
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Location
United States, Sunnyvale, CA, Bentonville, AR
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Salary
143000.00 - 286000.00 USD / Year
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Walmart
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Principal Research Manager
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Principal Research Manager role in Redmond, WA, driving AI-powered research strategy at Microsoft. Lead user experience research, shape product direction, and manage top talent. Requires a PhD or Master’s in HCI, UX, or related field with 3+ years of research experience. Join CEAI to reimagine co...
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Researcher
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Join Microsoft as a Principal Researcher in Redmond, driving AI efficiency across the stack. You will formulate novel algorithmic and system-level approaches for end-to-end AI serving, optimizing latency and throughput. Ideal candidates possess a PhD and 6+ years of research experience, with a fo...
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163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Customer Experience Engineer
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Principal Customer Experience Engineer – Drive security transformation at Microsoft. Leverage 10+ years of technical pre-sales or solution architecture expertise to serve as a strategic advisor for top-tier customers across the US. Collaborate with C-suite executives, field sellers, and engineeri...
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Location
United States, Multiple Locations
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Salary
139900.00 - 304200.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Principal Software Engineer (NGFW Platform) role at Palo Alto Networks in Santa Clara, CA. You will design platform diags and software for Next-Generation Firewalls, leveraging 10+ years of experience in Linux Kernel, DPDK, and hardware bring-up. Strong C and Python skills required to innovate fe...
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Salary
147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Product Manager
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Principal Product Manager role in Mountain View, CA, driving AI-powered Smart Bidding for Microsoft Advertising. You will own the product vision, strategy, and roadmap, partnering with Data Science and Engineering to maximize advertiser ROI. Requires 8+ years in product management with deep AI/ML...
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Principal Software Engineer role on Microsoft’s Copilot Studio Knowledge team in Redmond, WA. You’ll build cutting-edge Generative AI features, improve service scalability, and define architecture using C#, Python, or Java. Requires 6+ years of engineering experience, AI tool proficiency, and ent...
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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About the Principal role

A Principal role represents a senior leadership position found across various industries, from construction and engineering to technology and product management. Individuals in these jobs are trusted with high-level strategic oversight, complex problem-solving, and driving significant organizational impact. Unlike entry-level or mid-career positions, Principal jobs typically require a deep well of specialized expertise, a proven track record of leadership, and the ability to influence direction without direct managerial authority over every team member.

In a professional context, a Principal is often the highest individual contributor or a senior team lead responsible for shaping the vision and execution of critical initiatives. For example, in design and construction sectors, a Principal Designer focuses on risk management from the earliest stages of a project. They ensure that health and safety regulations, such as the CDM Regulations 2015, are integrated into the design process, mitigating hazards before construction begins. This involves leading cross-functional coordination, conducting design reviews, and ensuring a seamless handover to contractors.

In technology and business strategy, Principal Product Managers own the end-to-end lifecycle of complex service portfolios or product lines. They are responsible for defining strategy, developing business cases, and launching innovative offerings that drive customer adoption and revenue growth. These roles demand a data-driven approach to decision-making, strong cross-functional leadership, and the ability to influence executives and stakeholders across engineering, sales, marketing, and customer success teams. Common responsibilities include market analysis, competitive benchmarking, pricing strategy, and building go-to-market plans.

Typical skills required for Principal jobs include exceptional communication and presentation abilities, strategic thinking, and a high degree of autonomy. Candidates usually possess a bachelor’s or master’s degree in a relevant field, combined with significant experience—often eight or more years in a related domain. Technical proficiency is critical, whether in understanding network security, cloud infrastructure, or construction regulations. Soft skills such as negotiation, mentorship, and the ability to drive alignment in matrixed organizations are equally important.

Ultimately, Principal jobs are about leading from the front, solving the most challenging problems, and setting the standard for excellence within an organization. Whether mitigating risk on a construction site or defining the future of a software platform, these professionals are integral to driving meaningful, lasting results.