Staff Software Engineer Jobs in Washington

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Principal Full Stack Developer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Full Stack Developer 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 60+ days ago | Updated 3 hours ago

Principal Systems Engineer – Satellite Ground Antenna & Fleet Management Lead

Iridium Satellite LLC

•

Reston, Virginia, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 60+ days ago | Updated moments ago

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 60+ days ago | Updated 3 hours ago

Principal Engineer, HR & Legal Technology (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description A Principal Engineer acts as a technology leader in all aspects of their daily job. This includes being responsible for architecture, best practices and operational excellence for multiple teams across Nordstrom as well as being the subject matter expert for a specific vertical. Principal Engineers are extremely proficient and self-starting individual contributors that know when to use coding as a core part of their practice as well as lead code reviews to expand their influence
Posted 54 days ago | Updated 3 hours ago

Principal Engineer - Cloud Infrastructure

Fannie Mae

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Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued contributor to our team, you will design and develop unprecedented solutions for Cloud Engineering, solvin
Posted 44 days ago | Updated 13 hours ago

Lead Software Developer (.NET)

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Lead Software Developer (.NET) to join a leading shipping and logistics organization. The Lead Software Developer (.NET) will oversee and enhance intricate customer deployments of a specialized SaaS platform. Responsibilities of the Lead Software Developer (.NET) include: Take part in planning and gathering requirements for technical projects, including designing, coding, testing, and troubleshooting applications. Build applications and services using our main techn
Posted 57 days ago | Updated 31 days ago

Principal Java Developer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Java Developer 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 vesti
Posted 60+ days ago | Updated 3 hours ago

Principal Platform Software Engineer - OpenBMC Platform Architect

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA's invention of the GPU in 1999 fueled the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing - with the GPU acting as the brain of computers, robots, and self-driving cars that can perceive and understand the world. Today, we are increasingly known as "the AI computing company." We're looking to grow our company, and form teams with the most inquisitive pe
Posted 60+ days ago | Updated 3 hours ago

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
Easy Apply
Posted 60+ days ago | Updated 12 hours ago

Principal Software Developer

General Dynamics

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Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Software Development Job Qualifications: Skills: JavaScript, Microservices Architecture, RESTful Web Services, Software Development, Spring Boot Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Principal Software Developer We value: Writing code rather than documentsShipp
Posted 33 days ago | Updated 3 hours ago

EPC Transmission Line Engineering Manager

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos is seeking a Manager of Transmission Line EPC Engineering who will manage a collaborative and dynamic team working in a fast- paced environment, solving challenging problems involved with electric transmission. The successful candidate will serve as a Lead Engineer and Subject Matter Expert on electric transmission line design projects of overhead and underground systems for some of the largest utilities and developers in the country. Projects will focus on EPC and Design-Buil
Posted 20 days ago | Updated 3 hours ago

Lead Appian Developer - McLean, VA - Onsite work - 12 Months Contract

Sun Radia

•

McLean, Virginia, USA

Contract, Third Party

Lead Appian Developer (Java) McLean, VA - Onsite work 12 Months contract Face to Face Interview Must Have Qualifications: 12+ years of total IT experience 7+ years with Appian - design, development, configuration and Infrastructure. 3+ years leading a team of developers Extensive experience developing Java plugin for Appian 5+ years of experience with databases, API s and ability to create integration with systems such as Active Directory, Ping, Snowflake, Dremio, and/or other internal systems/p
Easy Apply
Posted 10 hours ago | Updated 10 hours ago

Principal Cybersecurity Engineer - Cyber Defense (US Federal)

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 60+ days ago | Updated 3 hours ago

Principal Software Developer(hybrid)

Oracle Corporation

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Remote or Nashville, Tennessee, USA

Full-time

Job Description As a member of the software engineering division, you will apply basic to intermediate knowledge of software architecture to perform software development tasks associated with developing, debugging or designing software applications or operating systems according to provided design specifications. Build enhancements within an existing software architecture and occasionally suggest improvements to the architecture.Duties and tasks are standard with some variation; displays unders
Posted 60+ days ago | Updated 3 hours ago

Senior Lead AI Engineer

Capital One

•

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 3 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 3 days ago | Updated 3 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 9 days ago | Updated 1 hour ago

Principal Verification and Validation Engineer

BAE Systems

•

Potomac, Maryland, USA

Full-time

Job Description BAE Systems is seeking a full-time Principal Verification and Validation Engineer to support our work as a prime contractor on a high-profile U.S. Navy weapon system. The candidate will help guide and determine the verification approach for our Systems Engineering team as it incorporates Model Based Systems Engineering (MBSE) tools and methodologies to support the UK TRIDENT Submarine Strategic Weapon System (SWS) program. The ideal candidate would be self-motivated, good at pla
Posted 20 days ago | Updated 1 hour ago

Full Stack Developer, Team Lead

Leidos

•

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 33 days ago | Updated 3 hours ago

Field Network Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 39 days ago | Updated 3 hours ago