Lead Software Engineer Jobs in District of Columbia

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381 - 400 of 3,025 Jobs

Lead Machine Learning Engineer

Capital One

•

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 22 days ago | Updated 9 hours ago

Senior Software Engineer (Onsite)

RTX Corporation

•

Maryland, USA

Full-time

Date Posted: 2025-03-31 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: Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has
Posted 35 days ago | Updated 1 hour 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 5 days ago | Updated 6 hours ago

Senior Software Engineer - Level 7

PTR Global

•

Arlington, Virginia, USA

Full-time

Senior QA Engineer - 45361-1 Arlington, VA - Onsite from Day One 2+years contract Ideal Candidate Qualifications: 6+ years of experience as a QA Engineer, Software Engineer in Test, Test Automation Engineer or Developer, leveraging software QA tools and processes 4+ years of experience with a variety of different testing techniques such as test planning, UI testing, automated testing, analytic testing, or test-driven development strategies. 4+ years of experience with C#, React/Redux, Seleni
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Posted 29 days ago | Updated 10 hours ago

Senior Security Engineer - Cyber Threat Mitigation Lead

Electronic Consulting Services, Inc (ECS Federal)

•

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Senior Security Engineer - Cyber Threat Mitigation Lead to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a leading information security and information technology company in Washington, DC. We are looking to hire a Senior Security Engineer - Cyber Threat Mitigation Lead to lead a cross functional team (Cyber Threat Intelligence, Hunt, and Analytics) on a long-term contract in Washington DC.
Posted 11 days ago | Updated 10 hours ago

Senior Software Developer Onsite Fort Meade, MD Active Security Clearance

SmoothStack

•

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Senior Software Developer with experience in multiple development languages and platforms Onsite Fort Meade, MD Active Security Clearance Required!
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Posted 24 days ago | Updated 6 days 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 1 hour ago

Program Lead - System Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

Description The Program Lead/System Engineer position will oversee the management of the system level requirements, and the performance of integration, verification, and user acceptance testing to ensure that the design, deployment, integration, maintenance, and support for Joint Worldwide Intelligence Communications Systems (JWICS) supporting DISA customers is fully operational. Primary Responsibilities The successful candidate primary responsibility will be: Perform Leidos supervisory duties f
Posted 1 day ago | Updated 6 hours ago

Software Engineer

Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0220900 Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a seni
Posted 53 days ago | Updated 2 hours ago

Site Lead Solutions Engineer

General Dynamics

•

Fort Meade, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Building Architecture, Systems Design, Systems Development, Systems Engineering Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: GDIT is seeking a full-time Site Lead Solutions Engineer to support our Identity, Credential, a
Posted 9 days ago | Updated 1 hour ago

Senior Software Engineer TS/SCI Polygraph $25k Sign On

Leidos

•

Columbia, Maryland, USA

Full-time

Description Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role, you'll help architect, develop, and integrate software solutions that shape national security and drive meaningful innovation. Join an Agile team where your expertise won't just be valued-it will be vital. Sign-on Bonus: $25,000 Primary Responsibilities Design, develop, and enhance secure software applications and systems Integrate new software i
Posted 4 days ago | Updated 1 day ago

Full Stack Software and Data Engineer

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0220393 Full Stack Software and Data Engineer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, merging data engineering solutions with software development, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and syst
Posted 60+ days ago | Updated 2 hours ago

Senior Software Engineer TS/SCI Polygraph $25k Sign On

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role, you'll help architect, develop, and integrate software solutions that shape national security and drive meaningful innovation. Join an Agile team where your expertise won't just be valued-it will be vital. Sign-on Bonus: $25,000 Primary Responsibilities Design, develop, and enhance secure software applications and systemsIntegrate new software into evolving o
Posted 5 days ago | Updated 1 hour ago

Software Security Engineer - Large Scale Kubernetes & Infrastructure-6+ Months Contract - Remote.

Mindsource Inc

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Remote or San Francisco, California, USA

Contract

Job Title: Sr. Security Engineer Duration: 6 Months (Contract) Location: RemoteMust-Have Skills: SOAR (Security Orchestration, Automation, and Response) SIEM (Security Information and Event Management) Python AWS Kubernetes (Nice to have)Job Summary: We are seeking an experienced Sr. Security Engineer to join our Security Operations Center (SOC) team. You will play a critical role in monitoring, analyzing, and responding to security incidents, while also helping streamline SOC operations through
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Posted 8 days ago | Updated moments ago

Software Engineer

Parsons Services Company

•

Herndon, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Software Engineer to join our team! Qua
Posted 9 days ago | Updated 1 hour ago

Senior Software Engineer

Parsons Services Company

•

Annapolis, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking a highly skilled Software Engineer to join our Government Contrac
Posted 29 days ago | Updated 1 hour ago

Senior Engineer, Software (R3173)

Shield AI Inc

•

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 1 hour ago

Lead Platform Engineer

Motion Recruitment Partners, LLC

•

McLean, Virginia, USA

Full-time

A leading SaaS platform that enables organizations to rapidly build and deploy enterprise-grade applications is seeking a Lead Platform Engineer. Their technology integrates automation, case management, and workflow orchestration to optimize operations across industries such as government, finance, and healthcare. This position is fully on-site (5 days/week) in McLean, VA and involves 30-40% research and architecture, evaluating new tools and technologies to shape the future state of the platfor
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Posted 52 days ago | Updated 9 hours ago

Senior Software Engineer

General Motors

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Remote

Full-time

Job Description DUTIES: Develop and design software applications for driverless technology company. Duties may include: Building best-in-class robotics and machine learning tools for accelerating autonomous vehicles development. Design and implement systems capable of simulating millions of miles of driving every day to predict on-road performance. Carefully measure improvements to our AV development toolchain to understand their impact on AV engineering productivity and our core company metric
Posted 10 days ago | Updated 10 hours ago

Senior Engineer, Software Autonomy Applications (R3694)

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 1 hour ago