Principal Software Engineer Jobs in District of Columbia

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Principal Software Engineer

Jobot

•

Rockville, Maryland, USA

Full-time

A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience! This Jobot Job is hosted by: Ryan Sullivan Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $180,000,000 per year A bit about us: A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience!
Posted 1 day ago | Updated 3 hours ago

Principal Software Engineer, Connected Warfare

Aduril Industries

•

Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated 7 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate
Posted 4 days ago | Updated 14 hours ago

Principal Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate v
Posted 60+ days ago | Updated 7 hours ago

Principal Software Engineer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ve
Posted 60+ days ago | Updated 7 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate v
Posted 60+ days ago | Updated 7 hours ago

Principal Kubernetes Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Kubernetes Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and
Posted 54 days ago | Updated 7 hours ago

Principal Software Engineer - Cloud Engineering (Remote)

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 21 days ago | Updated 3 hours ago

Principal Software Engineer

AFLAC

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Remote

Full-time

Salary Range: $110,000 - $169,000 Job Posting End Date: 8/4/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Dive
Posted 60+ days ago | Updated 3 hours ago

Principal Software Engineer - Virtual Cloud Networking DataPlane

Oracle Corporation

•

Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 47 days ago | Updated 7 hours ago

Principal Software Engineer / Ruby

Decisiv

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Remote

Full-time

REMOTE Position Decisiv is seeking a Principal Software Engineer to lead the architecture, scalability, and interoperability of our growing platform. As technology landscapes shift, our platform must evolve to handle increasing data demands, automation, and intelligent decision-making while maintaining reliability and flexibility. As a Principal Engineer, you will define long-term technical strategy, guide cross-team architecture, and mentor engineers, ensuring our platform continues to adapt to
Posted 25 days ago | Updated 25 days ago

Principal Software Engineer - Virtual Cloud Networking Dataplane

Oracle Corporation

•

Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly l
Posted 60+ days ago | Updated 7 hours ago

Frontend Principal Software Engineer

GCS

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Remote

Contract

We re looking for a skilled Frontend Engineer (can be 100% remote) with strong Angular experience to join the team behind a leading vendor-agnostic, enterprise-grade broadband network monitoring and optimization platform. Used by top-tier global operators, this suite helps monitor and enhance DOCSIS and fiber network performance across millions of connected devices. This is a hands-on engineering role focused on building scalable, reusable UI components and powerful data visualizations that enab
Easy Apply
Posted 10 days ago

Principal Software Engineer - REMOTE

DriveTime

•

Remote or Tempe, Arizona, USA

Full-time

What's Under the Hood DriveTime Family of Brands is the largest privately owned used car sales finance & servicing company in the nation. Headquartered in Tempe, Arizona and Dallas, Texas, we create opportunities and improve the lives of our customers and our employees by placing a focus on putting the right customer, in the right vehicle, on the right terms and on their path to ownership. The DriveTime Family of Brands spans across DriveTime, Bridgecrest and SilverRock. You can find us at th
Posted 60+ days ago | Updated 3 hours ago

Senior Principal Software Engineer (Onsite)

RTX Corporation

•

Maryland, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 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 Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and
Posted 21 days ago | Updated 6 hours ago

Principal Software Engineer

Modern Technology Solutions

•

Fort Meade, Maryland, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking Software Engineers to join our team in the Ft Meade, MD or San Antonio, TX area in support of a government organization essential to U.S. national security. You will develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requ
Posted 60+ days ago | Updated 30 days ago

Principal, Software Engineer

Walmart Inc.

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Remote or Sunnyvale, California, USA

Full-time

Position Summary What you'll do Are you passionate about applying cutting-edge GenAI technology to revolutionize customer service? Do you dream of playing a technical leadership role that will shape the future of the customer service experience at Walmart's scale? If you possess exceptional technical expertise, curiosity, and a desire to build scalable products with GenAI, this opportunity may be for you. As a Principal Software Engineer with the Customer Engagement Services Technology team,
Posted 4 days ago | Updated 7 hours ago

Principal Software Engineer

CVS Health

•

Remote or Woonsocket, Rhode Island, 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 2 days ago | Updated 7 hours ago

Principal Software Engineer - Warehouse Management Systems

CVS Health

•

Rhode Island, 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 2 days ago | Updated 7 hours ago

Principal Software Engineer

Base-2 Solutions, LLC

•

Maryland, USA

Full-time

Annual Salary Range: $220,000 to $240,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inf
Posted 60+ days ago | Updated 7 hours ago