Principal Software Engineer Jobs in Missouri

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Principal Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 57 days ago | Updated 1 hour ago

Principal Engineer

CVS Health

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Phoenix, Arizona, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 1 day ago | Updated 1 hour ago

: Senior Staff Software Engineer

Vaco by Highspring

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Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
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Posted 28 days ago

Senior Principal Engineer, Service Delivery

Dell Technologies

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North Carolina, USA

Full-time

Senior Principal Engineer, Service Delivery Dell Technologies customers rely on our products and services to drive progress. So, we take the service we provide extremely seriously. Service Delivery is all about making sure our technical solutions help clients fulfil their priorities, challenges and initiatives. As trusted advisors, we build in-depth knowledge of what each client wants to achieve. Then we make sure the services delivered by Dell Technologies deliver on all our promises. We also
Posted 1 day ago | Updated 1 hour ago

Principal Engineer

SS&C Technologies Inc

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New Jersey, USA

Full-time

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description Job Title: Principal Software Engineer Locations: 100% Remote Get To Know Us: SS&C Global Security and our Cyber Defense Operat
Posted 60+ days ago | Updated 1 hour ago

Principal Mobile Engineer

IO Associates

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Remote

Contract

Principal Mobile Engineer Location: 100% Remote Duration: 6 month contract to hire We're seeking a Principal Software Engineer with deep Android expertise to lead the development of innovative mobile solutions. You'll shape architecture, mentor teams, and drive technical strategy across projects. This role is ideal for someone who thrives on solving complex challenges, influencing product direction, and elevating engineering practices. Key Responsibilities: Design and deliver scalable, test-driv
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Posted 28 days ago | Updated 2 hours ago

(Remote) Principal Engineer

First American Financial Corporation

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Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse
Posted 55 days ago | Updated 1 hour ago

Principal Engineer

MRoads

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Remote

Contract

Bethesda-Chevy Chase, MD / Remote We are seeking a highly experienced Principal Engineer / Fullstack Architect with deep expertise in Node.js, GraphQL, and ReactJS, combined with a strong background in Artificial Intelligence, particularly in building and integrating Large Language Models (LLMs). You will play a pivotal role in architecting scalable, intelligent fullstack solutions, driving innovation, and mentoring engineering teams on cutting-edge AI integration. Key Responsibilities: Lead the
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Posted 27 days ago

Principal Engineer - Electrical Power System Analytics (Remote Eligible, U.S.)

GE Vernova

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Remote

Full-time

Job Description Summary Makes decisions and recommendations recognized as fact based, reasonable, and authoritative with impact on designs, analysis, reports, etc. Demonstrates creativity, foresight, and mature judgment in anticipating and solving challenging Discipline specific and cross- Discipline problems. Defines technical strategy, plans, objectives, requirements, work scope, nuclear regulations and industry standards, guides, etc. Assesses staff competencies. Provides mentorship and overs
Posted 9 days ago | Updated 1 hour ago

Principal Engineer Cybersecurity, Cloud Security

URSI Technologies Inc.

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Remote

Contract

Job Title: Principal Engineer Cybersecurity, Cloud Security & High-Performance Systems Location: Remote (California) Duration: 12+ Months Role Overview: We are seeking a Principal Engineer with deep expertise in Cybersecurity, Secure Cloud Architectures, and High-Performance Systems. This role focuses on developing next-generation security platforms, real-time threat detection, and secure cloud services using Rust, Scala, and WebAssembly (WASM) on AWS. Key Responsibilities: Develop secure, perf
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Posted 20 days ago | Updated 6 days ago

EAF Solution Engineer Senior- Principal

American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-14-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.
Posted 2 days ago | Updated 1 hour ago

Principal Reliability Engineer

Mastercard

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O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 24 days ago | Updated 1 hour ago

Principal Guidance & Control Engineer

Draper

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Remote or Huntsville, Alabama, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 4 days ago | Updated 1 hour ago

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 9 days ago | Updated 1 hour ago

Principal Engineer - Developer Tooling

CVS Health

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Minnesota, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 9 days ago | Updated 1 hour ago

Propulsion Subsystem Principal Engineer Delegate

Lockheed Martin Corporation

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Remote or Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 11 days ago | Updated 1 hour ago

Associate Principal AI/ML Engineer , Data Science

Merck & Company Inc

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Remote or Cambridge, Massachusetts, USA

Full-time

Job Description Associate Principal AI/ML Engineer Our Artificial Intelligence Machine Learning (AI/ML) capabilities are critical accelerators to our mission to delivering towards inventing new medicines that save and improve lives. Core to the Data, AI, and Genome Sciences (DAGS) function is an AI/ML-first approach to improving target and biomarker discovery, validation and selection and elucidating complex disease mechanisms. As Associate Director, AI/ML Engineering, you will build state-of-
Posted 3 days ago | Updated 1 hour ago

Principal Engineer

POWER Engineers, Inc

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Remote or Meridian, Idaho, USA

Full-time

Principal Engineer Job Summary POWER Engineers, Member of WSP is seeking a senior-level electrical engineer to work as a Principal Engineer in the Power Delivery Substation Specialty Services Department in our Substation Business Unit (SBU). This individual is expected to independently develop and apply advanced engineering techniques, concepts, and approaches to unique engineering problems. This principal technical advisor role will lead in assimilating and disseminating complex engineering co
Posted 43 days ago | Updated 1 hour ago

Senior Principal Engineer - Safety Compliance - Remote, US

Johnson Controls, Inc.

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Remote or Milwaukee, Wisconsin, USA

Full-time

Build your best future with the Johnson Controls team As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide
Posted 17 days ago | Updated 1 hour ago

Lead Software Engineer (Profile, MUMPS)(Remote - Eligible)

Capital One

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Remote or Wilmington, Delaware, USA

Full-time

Lead Software Engineer (Profile, MUMPS)(Remote - Eligible) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Lead Software Engineers - Profile who are passionate about marrying data with emerging techno
Posted 1 day ago | Updated 6 hours ago