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Principal Engineer - AI/ML United States Jobs

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Sr. Principal Software Engineer – Search & Recommendation
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Lead the design of intelligent search and recommendation systems at Highspot. This senior principal role requires 8+ years of expertise in ML, information retrieval, and large-scale platforms. Drive technical strategy, mentor engineers, and shape discovery for millions of users from our Seattle o...
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United States , Seattle
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277391.00 - 342391.00 USD / Year
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Highspot
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Principal Cloud Infrastructure Engineer
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Lead the evolution of our cloud infrastructure and developer platform at Highspot in Seattle. We seek an expert with 15+ years' experience, deep AWS/Azure and Kubernetes mastery, and a passion for building secure, scalable platforms. Empower product teams by designing self-service tools and drivi...
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United States , Seattle
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188696.00 - 282609.00 USD / Year
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Highspot
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Principal Engineering Manager - Applied AI
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Lead a cutting-edge Applied AI team in Seattle, focusing on Generative and Agentic AI systems. You will need 2+ years in Generative AI and 4+ years as an engineering manager. This role offers comprehensive benefits, flexible PTO, and a chance to shape Highspot's AI platform.
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United States , Seattle
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240870.00 - 297652.00 USD / Year
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Highspot
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Sr. Principal Engineer, Interact Analytics Experiences
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Lead the architecture and innovation of Highspot's in-app analytics platform in Seattle. This senior principal engineer role requires 10+ years of expertise in OLAP, query engines, and scalable frontend frameworks (TypeScript/React). You will drive the full analytics stack, from backend performan...
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United States , Seattle
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277391.00 - 342391.00 USD / Year
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Highspot
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Staff / Principal Machine Learning Engineer
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Join our team in Mountain View as a Staff/Principal Machine Learning Engineer. You will research, build, and deploy production ML systems that power our next-generation AI platform. We require expertise in Python, PyTorch, and applied ML in NLP or speech. This role offers equity, bonus, and reloc...
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United States , Mountain View
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240000.00 - 385000.00 USD / Year
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Inworld AI
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Principal Backend Engineer, Forward Deployed
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Lead high-impact AI solutions as a Principal Forward Deployed Engineer. You'll architect and deploy end-to-end systems using Python, cloud platforms, and modern AI tools. This hybrid role blends technical strategy with client partnership in key US tech hubs. Enjoy a bonus and equity in a role sha...
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United States , Austin; New York; San Francisco Bay Area; Washington DC–Baltimore
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225000.00 - 370000.00 USD / Year
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Invisible Technologies
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Principal Sales Engineer
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Join Kalepa as a Principal Sales Engineer and drive commercial growth with leading insurers. Leverage your 7+ years of enterprise sales engineering and fintech/insurance expertise to act as a trusted technical advisor. Design compelling demos, scope engagements, and utilize your strong SQL/Python...
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United States
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150000.00 - 170000.00 USD / Year
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Kalepa
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Principal Sales Engineer
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Join Kalepa as a Principal Sales Engineer in New York. Leverage your 7+ years of enterprise sales engineering and fintech/insurance expertise to drive platform adoption. You will design tailored demos, act as a technical advisor, and partner with AEs to transform underwriting. Enjoy competitive s...
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United States , New York
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165000.00 - 190000.00 USD / Year
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Kalepa
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Principal Software Engineer
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Lead complex backend projects as a Principal Software Engineer at LogRocket in Boston or NYC. Design highly available distributed systems and machine learning pipelines using modern cloud technologies. Enjoy catered lunches, unlimited vacation, generous stock options, and a collaborative, craft-f...
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United States , Boston or NYC
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225000.00 - 260000.00 USD / Year
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LogRocket
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Principal, Packaging Engineering
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Lead all packaging engineering for oral solid dosage (OSD) products at Loyal. This senior role requires 10+ years in pharma packaging, deep expertise in process development, validation (IQ/OQ/PQ), and CDMO management. Drive launch readiness and commercial supply from end to end. Enjoy comprehensi...
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United States
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180000.00 - 240000.00 USD / Year
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Loyal
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Principal Product Development Engineer
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Lead product development for medical devices in Lake Forest, from concept to commercialization. We seek a mechanical/biomedical engineer with 7-10 years' medical device experience, expertise in catheters, CAD (Solidworks), and regulatory compliance. Enjoy full medical/dental/vision coverage and a...
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United States , Lake Forest
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130000.00 - 150000.00 USD / Year
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Manufacturing For Design
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Principal Functional Back End Engineer
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Join Modus Create as a Principal Functional Back End Engineer. This remote US role requires deep expertise in Haskell and Nix for blockchain core development. You will lead full-cycle projects, mentor teams, and engage with the open-source community. Enjoy flexible hours, global coworking access,...
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United States of America
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Not provided
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Modus Create
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Principal Engineer - Site Design
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Lead large-scale site design projects as a Principal Engineer at Olsson. This role requires a PE with 8+ years of civil engineering experience, expertise in Civil 3D, and a strong client-service focus. Enjoy a competitive benefits package, flexible work options, and the chance to impact communiti...
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United States , Oklahoma City; Tulsa
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Not provided
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Olsson
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Principal Data Engineer
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Join a VC-backed AI scale-up as a Principal Data Engineer. Architect and scale the data backbone for cutting-edge conversational AI using Spark and Python. Build high-performance, cloud-based data pipelines in a fully remote role with great equity. Shape the future of data infrastructure in a hig...
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United States
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Not provided
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Orbis Consultants
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Principal Opto-Mechanical Engineer
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Lead the design of precision opto-mechanical systems for harsh environments at Peak Nano. This senior role requires 10+ years of expertise in full product lifecycle development, from CAD to DFM and environmental validation. You will guide technical teams from concept to launch. US Citizenship is ...
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United States , Macedonia, OH
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Peak Nano
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Principal Engineer / Director, Motion Planning
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Lead the development of safety-critical motion planning for autonomous vehicles in Santa Clara. This senior role requires 7-10 years of experience building robust, data-driven systems and a proven record in deep learning (C++/Python). You will manage a team, scale ML pipelines, and drive innovati...
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United States , Santa Clara
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200000.00 - 280000.00 USD / Year
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PlusAI
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Principal Data Engineer
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Lead the design of scalable, real-time data pipelines using Kafka, Flink, and Spark Streaming in this hands-on Principal Data Engineer role. Drive technical excellence, mentor a team, and shape the data ecosystem with modern cloud technologies. Enjoy comprehensive benefits from Day 1, including f...
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United States
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183200.00 - 203500.00 USD / Year
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PointClickCare
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Principal Systems Safety Engineer
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Lead System Safety Engineering for next-gen avionics in Phoenix. Develop safety strategies, conduct FHA/FMEA, and guide certification per ARP4754A/DO-178C. Ensure the highest safety standards for integrated cockpit systems in a collaborative, innovative environment.
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United States , Phoenix
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Real Time Consulting
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Principal Engineer
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Lead the architecture and modernization of a large-scale, cloud-native SaaS platform. This senior role requires 10+ years in SaaS, deep expertise in .NET, AWS serverless, and system design. You will guide engineering teams and drive scalability from New York.
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United States , New York
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175000.00 - 185000.00 USD / Year
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Resourceful Talent Group
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Principal R&D Engineer
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Lead wireless technology innovation as a Principal R&D Engineer at Silvus in Los Angeles. This role requires a U.S. Citizen with an advanced degree and 10+ years of experience, including technical project leadership. You will oversee the full development cycle of cutting-edge wireless systems, fr...
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United States , Los Angeles
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180000.00 - 250000.00 USD / Year
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Silvus Technologies (International)
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Embark on a leadership career at the pinnacle of technical innovation by exploring Principal Engineer - AI/ML jobs. A Principal Engineer in Artificial Intelligence and Machine Learning is a strategic visionary and a technical master, responsible for setting the technological direction for an organization's most ambitious AI initiatives. This is not an individual contributor role in the traditional sense; it is a force multiplier, blending deep hands-on expertise with architectural oversight, mentorship, and cross-functional leadership to transform complex business problems into scalable, intelligent solutions powered by AI. Professionals in these senior roles typically bear a comprehensive set of responsibilities. They lead the architectural design and long-term strategy for AI/ML systems, ensuring they are robust, scalable, and aligned with business objectives. A key part of their duties involves conducting research and development to evaluate and integrate state-of-the-art algorithms and models, pushing the boundaries of what is technically possible. They provide technical leadership and mentorship to engineering teams, elevating the entire organization's capabilities through code reviews, best practice dissemination, and setting high standards for quality and innovation. Principal Engineers are also crucial in driving the entire machine learning lifecycle, from data acquisition and pipeline creation to model training, deployment, monitoring, and continuous iteration in production environments. They act as a bridge, communicating complex technical concepts to non-technical stakeholders and collaborating with product managers, data scientists, and business leaders to ensure successful project outcomes. Furthermore, they are often tasked with establishing technical governance, making critical stack and tooling decisions, and identifying and mitigating technical risks. To qualify for Principal Engineer - AI/ML jobs, candidates must possess a formidable combination of education, experience, and skills. Typically, a Master's or Ph.D. in Computer Science, Statistics, or a related field is expected, coupled with 10+ years of progressive software engineering experience, with a significant portion dedicated to AI/ML. A deep, practical understanding of machine learning frameworks like TensorFlow or PyTorch is essential, as is proficiency in programming languages such as Python, Java, or Scala. Expertise in cloud platforms (AWS, GCP, Azure) and MLOps practices for automating the ML lifecycle is a standard requirement. Beyond technical prowess, successful candidates demonstrate exceptional leadership, strategic thinking, and communication skills. They have a proven track record of architecting and delivering complex, large-scale AI systems into production and possess the ability to mentor senior engineers and influence technical strategy across an organization. If you are ready to shape the future of technology and lead from the front, discovering the right Principal Engineer - AI/ML jobs is your next critical step.

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