principal software engineer Jobs

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Software Engineer (React/Node)

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

A prominent MedTech company based in Washington, D.C. is seeking a mission-driven Lead Software Engineer to join their team. With the implementation of their software in 700+ medical institutions across 35 nations, their product is responsible for a significant decrease in medical errors through the effective training of healthcare professionals. Their amounted success and mission-driven culture has allowed them to start a charitable fund in which they donate a portable version of their software

Senior Principal Engineer - Solid Propulsion

RTX Corporation

Tucson, Arizona, USA

Full-time

Date Posted: 2025-06-06 Country: United States of America Location: AZ802: RMS AP Bldg 802 1151 East Hermans Road Building 802, Tucson, AZ, 85756 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and

Principal Engineer - Firmware Engineer

Marvell Semiconductor Inc.

Santa Clara, California, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be

Principal Test Engineer (Hardware)

PaloAlto Networks

Austin, Texas, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Staff Software Engineer

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description WHAT WE'RE DOING The Aircraft Media Gateway (AMG) program enables the P-8A aircraft to sustain and improve the armed maritime and littoral Intelligence, Surveillance, and Reconnaissance capabilities for United States Naval forces in traditional, joint and combined roles to counter changing and emerging threats. Typical tasking will be associated with implementing and integrating software to incorporate customer software changes, DevSecOps and network infrastructure - building

Principal Engineer - Charging Systems

T-Mobile

Washington, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Job Overview The System Architecture Engineer's role i

Lead Software Engineer (Bank Tech)

Capital One

McLean, Virginia, USA

Full-time

Lead Software Engineer (Bank Tech) 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 love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologies. As a Capital On

Principal Engineer, Design Engineering (Hybrid)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-27 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s

Full-Stack Software Engineer (Media Exp)

TalTeam

Glendale, California, USA

Contract

We are looking for a talented Full-Stack Software Engineer to join our dynamic team and aid our Product/Engineering Leads to implement complex / sensitive front-end & back-end programming solutions with guidance from Lead Engineer & Technical Leads. The role is primarily focused to enhance/support Application & will partner with Transfer Manager 2 Platform Engineers to address any ongoing needs. You will also contribute with all the integrations to TM2 Platform in future and build any robust app

Lead Software Engineer

Mastercard

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

Engineer 1/2/Sr/Sr 2/Principal - Gas Integrity Management

Berkshire Hathaway Energy

Sioux City, Iowa, USA

Full-time

Job Description This is a multi-level posting and there are 2 positions open. Candidates may be considered for any of the posted levels, depending on their level of experience and depth of expertise. The senior engineer, gas integrity, provides highly technical engineering services and directs the work of others for data management, pipeline threat assessments and risk analyses, transmission pipeline integrity assessments, and development of capital and operational improvements to reduce natur

Lead Software Engineer III

Truist

San Diego, California, USA

Full-time

The position is described below. If you want to apply, click the Apply Now button at the top or bottom of this page. After you click Apply Now and complete your application, you'll be invited to create a profile, which will let you see your application status and any communications. If you already have a profile with us, you can log in to check status. Need Help? If you have a disability and need assistance with the application, you can request a reasonable accommodation. Send an email to Acce

Senior Principal Hardware Production Support Engineer

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Prinicpal Software Engineer - Image Processing

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

Our client, an innovative company in the medical technology space, is seeking a Principal Software Engineer with deep expertise in image processing to join their growing team. This role will focus on developing advanced image analysis tools for real-time surgical applications. Key Responsibilities: Lead the design and development of image processing algorithms for high-performance applications.Optimize code for GPU acceleration using NVIDIA CUDA.Collaborate with cross-functional teams to integra

Lead Software Engineer, Back End (Enterprise Platform Technology)

Capital One

McLean, Virginia, USA

Full-time

Lead Software Engineer, Back End (Enterprise Platform Technology) 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 love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emergin

Principal Data Modeler and Database Engineer (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-07-15 Country: United States of America Location: TX234: Richardson 1717 CityLine 1717 East CityLine Drive Building C17, Richardson, TX, 75082 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to h

Principal Engineer

Constellation Energy

Everett, Massachusetts, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

Machine Learning - Lead Software Engineer

JPMorgan Chase & Co.

Columbus, Ohio, USA

Full-time

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Consumer & Community Banking, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology solutions across mult

Principal Engineer, Mobile Applications

Harman International

Texas, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role Join our team as a Principal Mobile Application Engineer and help us build iOS and Android apps for a revoluti

Principal .NET Engineer / Modern Cloud and AI/ML Focused / Monroe, NC

Motion Recruitment Partners, LLC

Charlotte, North Carolina, USA

Full-time

Job Description A privately held custom home building company that has been around for nearly 20 years is looking for a Principal .NET Engineer. This company has constructed over 22,000 personalized homes since their start and recently won the "Builder of the Year" award. They specialize in home building in the Carolinas and are currently doing their best year of business yet. They offer over 200+ personalized and custom floor plans to choose from offer complete builds in under 12 months. They a