Principal Software Engineer Jobs in Washington

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Applied AI Engineer, Lead

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

Motion Recruitment delivers IT Talent Solutions across North America. Our specialized team-based recruitment model's success is proven through our track record in filling the most challenging IT positions for startup and enterprise clients. Areas of expertise range across Software, Mobile, Data, Infrastructure, Cybersecurity, Product, and UX. We're also the proud creators of Tech in Motion and the Timmy Awards, our community event series and award program connecting tech enthusiasts to meet, lea
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Posted 60+ days ago | Updated 6 hours ago

Senior Technical Writer

Decisionpoint Corporation

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Fort Meade, Maryland, USA

Full-time

Overview DecisionPoint Corporation is seeking a Senior Technical Writer to join our team on an upcoming Defense Information Systems Agency (DISA) J-3/5/7 Operations and Strategic Support contract based at DISA Headquarters, Fort Meade, MD and MacDill AFB, FL, with flexible telework options. This opportunity involves supporting DISA's J-3/5/7 Directorate, which directs and synchronizes the DISA Network (DISN) to enable Joint Cyberspace Operations. The contractor will contribute to operational pla
Posted 33 days ago | Updated 6 hours ago

Senior Engineering Manager / Software - Flight Simulation (Onsite)

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 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 Senior Engineering Manager / Software - Flight Simulation (Onsite) The Simulation & Training Solutions (STS) Software Engineering de
Posted 12 days ago | Updated 9 hours ago

Lead MUMPS & VistA Developer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0223026 MUMPS & VistA Developer, Lead The Opportunity: Are you looking for an opportunity to not just develop software, but to build a system that will positively impact the lives of our nation's Veterans? As a Lead MUMPS developer, you can solve a problem with a complete end-to-end solution in a fast-paced, Agile environment. We're looking for a Lead developer with the advanced skills needed to diagnose and fix issues affecting VistA Scheduling products for our Veterans Affairs cli
Posted 3 days ago | Updated 10 hours ago

Full Stack Lead Developer- VP

Citi

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Remote or Jacksonville, Florida, USA

Full-time

Job Description Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates econom
Posted 9 days ago | Updated 9 hours ago

Lead Engineer - Properties, Demand Planning

Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $128,000.00 - $231,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life
Posted 12 days ago | Updated 9 hours ago

Senior Lead AI Engineer

Capital One

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McLean, Virginia, USA

Full-time

Senior Lead AI Engineer Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent - along with our deep experience in machine learning - position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges t
Posted 60+ days ago | Updated 1 hour ago

Full Stack Developer, Team Lead

Leidos

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Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development. In this role the candidate will support the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems
Posted 42 days ago | Updated 9 hours ago

Senior Staff Engineer, Infrastructure (R3200)

Shield AI Inc

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Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 60+ days ago | Updated 9 hours ago

Senior Full Stack Engineer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0222649 Full Stack Engineer, Senior The Opportunity: Are you looking for an opportunity to leverage your Software Engineering expertise in a high-impact role? Booz Allen is building a next-generation end-to-end platform for Development, Testing, and Production workloads to accelerate secure software development. We're looking for a Lead Full Stack Engineer to join the team. You'll work in a Professional Service role, working with teams to leverage our platform. You should thrive in
Posted 5 days ago | Updated 10 hours ago

XSOAR Cyber Security Engineer

Motion Recruitment Partners, LLC

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Washington, District of Columbia, USA

Full-time

Job Description A healthcare company is seeking a Principal Cyber Security Engineer to join their dynamic team. You will be responsible for identifying and defining opportunities for SOAR and implement via playbook development. This role is heavily focused on supporting the Incident Response team and their use of SOAR tools. Ideally, candidates have experience with Palo Alto's Cortex XSOAR, as well as Splunk, and knowledge with other enterprise systems such as Crowdstrike, Proofpoint, Tanium, a
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Posted 45 days ago | Updated 6 hours ago

Remote - Kogito Developer

GRT Corporation

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Remote

Contract

Job Title: Kogito Technical Lead / Senior Developer Location: Remote] Experience Required: 56+ years in Java development, 35+ years in Kogito BPM Education: Bachelors degree in Computer Science, Software Engineering, or a related field Job Summary: We are seeking an experienced Kogito Technical Lead / Senior Developer to join our engineering team. This role is responsible for designing, developing, and deploying cloud-native applications using the Kogito framework for process automation and deci
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Posted 4 days ago | Updated 3 days ago

Lead Engineer - Stores & Supply Chain

Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $128,000.00 - $231,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life
Posted 14 days ago | Updated 9 hours ago

Lead Software Engineer (Flutter)

MOURI Tech

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Texas, USA

Third Party, Contract

Role: Lead Software Engineer (Flutter) Location: Remote Duration: 6+ Months Job Description: The Lead Software Engineer (Flutter) will spearhead the development of our application, leveraging the Pivotal Labs methodology to ensure quality, scalability, and maintainability. This role combines deep technical expertise with a passion for Agile practices, mentoring, and a commitment to excellence. What you'll do Framework Implementation: Embrace and implement the Pivotal Labs framework within the
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Posted 60+ days ago | Updated 3 days ago

Staff Engineer - iOS

CVS Health

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Texas, 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 60+ days ago | Updated 9 hours ago

Lead Engineer

College Board

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US

Full-time

College Board - Technology - Item Cloud Blue Location: This is a fully remote role. Candidates who live near CB offices have the option of being fully remote or hybrid (Tuesday and Wednesday in office). Type: This is a full-time position About the Team The Item Cloud team is committed to building and driving innovation for internal-facing web applications that support College Board's core products. Our team consists of 2 small squads, each of which owns a unique, data-intensive, high-impact,
Posted 60+ days ago | Updated 6 hours ago

Lead Machine Learning Engineer

Capital One

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McLean, Virginia, USA

Full-time

Lead Machine Learning Engineer As a Capital One Machine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You'll participate in the detailed technical design, development, and implementation of machine learning applications using existing and emerging technology platforms. You'll focus on machine learning architectural design, develop and review model and application code, and ensure high availability and pe
Posted 16 days ago | Updated 1 hour ago

Lead Operating Engineer

Cushman & Wakefield

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Arlington, Virginia, USA

Full-time

Job Title Lead Operating Engineer Job Description Summary Responsible to ensure the proper efficient operations and maintenance of the mechanical electrical and plumbing systems for the assigned facility. The performance of all necessary maintenance and operational tasks are developed to assure maximum life and reliability of all mechanical/ electrical/plumbing systems. Typically, this position does not have a Chief Engineer on-site at the building and is sometimes the solo engineer at the buil
Posted 10 days ago | Updated 9 hours ago

QE Lead Engineer

Marsh & McLennan Companies

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Remote or White Plains, New York, USA

Full-time

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. The industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a QE Lead Engineer at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, reti
Posted 6 days ago | Updated 9 hours ago

ServiceNow Developer Functional Manager

SAIC

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Adelphi, Maryland, USA

Full-time

Job ID: 2507380 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven ServiceNow Developer Sr. Functional Manager to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full rang
Posted 18 days ago | Updated 7 hours ago