Lead Software Engineer Jobs in District of Columbia

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421 - 440 of 3,074 Jobs

Senior Software Engineer - CTJ - Poly

Microsoft Corporation

•

Reston, Virginia, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 35 days ago | Updated 8 hours ago

Senior Software Engineer, Intelligence Systems

Aduril Industries

•

Reston, Virginia, 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 47 days ago | Updated 8 hours ago

Senior Manager Software Engineer, Fullstack (Java, React)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Manager Software Engineer, Fullstack (Java, React) 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 solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies
Posted moments ago

Senior Software Safety Engineer

SAIC

•

Alexandria, Virginia, USA

Full-time

Job ID: 2506547-ALEXANDRIA-VA Location: ALEXANDRIA, VA, US Date Posted: 2025-06-10 Category: Engineering and Sciences Subcategory: Sys Safety Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description SAIC has an immediate need for a Senior Software Safety Engineer for the Precision Fires (PF) projects for performance of risk analyses and hazar
Posted 53 days ago | Updated 6 hours ago

Principal Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

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 vesting, Fle
Posted 15 days ago | Updated 8 hours ago

iOS Developer (Senior Software Engineer iOS)Location: Maclean VA (Onsite )

Virtuous Tech Inc

•

McLean, Virginia, USA

Contract

iOS Developer (Senior Software Engineer iOS) Location: Maclean VA (Onsite ) Duration: 12 months Experience: 12+ years Job Description: We are seeking a Senior Software Engineer iOS to play a key role in designing, developing, and maintaining the iOS platform for our Client Auto Navigator application. In this role, you will leverage your expertise in iOS development to create high-quality, engaging customer experiences while collaborating with cross-functional teams. You will also mentor junior
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Posted 60+ days ago | Updated 31 days ago

Lead Operating Engineer

Cushman & Wakefield

•

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 17 days ago | Updated 8 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 36 days ago | Updated 8 hours ago

Lead Java Full Stack Developer (local candidates to Washington metropolitan area only) f2f interview

Shift Code Analytics

•

Reston, Virginia, USA

Contract, Third Party

Hi, Hope you are doing well I have an urgent opening Lead Java Full Stack Developer at Reston, VA Position Type: Contract Location: Reston, VA, United States Description: Interview: Virtual Hybrid: Reston VA (Candidates must be local to the DMV area) 12-month+ contract, Lead Java Software Engineering opening JD: This is 60% Backend, 40% front-end development. Must have: Java, microservices, Spring framework, Spring Boot, Spring Integration, MQ, AWS - EKS, Lambda, S3, event bridges, step functio
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Posted 3 days 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 30 days ago | Updated 5 hours ago

Principal DevSecOps Lead Engineer

Accenture LLP

•

Springfield, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 60+ days ago | Updated 8 hours ago

Lead Engineer - Critical Environments

JLL

•

Sterling, Virginia, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 10 days ago | Updated 8 hours ago

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 23 days ago | Updated 1 day 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 8 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 9 hours 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 5 days ago | Updated 2 days 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 6 days ago | Updated 8 hours 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 9 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 12 days ago | Updated 5 hours 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 10 days ago | Updated 8 hours ago