11,149 Results for

Software Engineer Jobs in Gaithersburg, MD

Jobs

MONTGOMRY VLG, MD

$165,000–$185,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

8 days ago

Annapolis Junction, MD

$80,000–$220,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

8 days ago

Gaithersburg, MD

$140,000–$165,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

8 days ago

Manassas, VA

$90,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our engineering teams build secure, maintainable systems that contribute directly to mission readiness across submarine, carrier, and shore-based environments while operating within collaborative agile development frameworks.

8 days ago

Arlington, VA

$120,000–$150,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

8 days ago

West McLean, VA

$140,000–$215,000 / year

With first hand knowledge of problems that arise deploying software with millions of concurrent users worldwide, this paradigm changing tool will enable engineers to quickly, efficiently, and reliably develop and deploy large scale distributed systems autonomously. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

8 days ago

Manassas, VA

$90,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

6 days ago

Ashburn, VA

$55–$60 / hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The organization is focused on modernizing and enhancing its technology platforms, with engineering teams working on scalable applications, cloud-based solutions, and customer-facing products that support critical transportation operations.

8 days ago

Manassas, VA

$95,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

6 days ago

Fort Meade, MD

$107,900–$195,050

The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus: Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture.

9 days ago

Tysons, VA

$140,000–$215,000 / year

3 days ago

Fort Meade, MD

$97,000–$224,000 / year

Bachelor’s degree in Computer Science or related discipline from an accredited college or university OR four (4) years of additional SWE experience on projects with similar software processes in lieu of degree . Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design .

7 days ago

99999, Maryland

Strong proficiency in z/OS (MVS) operations in a large-scale environment with multiple Sysplex systems (including IPL procedures). • Current working knowledge of subsystems: JES2, SDSF, RACF, TSO, TCP/IP, Control-M, CICS, DB2.

2 days ago

Ashburn, VA

Design and implement backend services, APIs, and microservices, including RESTful and GraphQL APIs, utilizing modern development frameworks and cloud-native patterns . Proficiency in backend technologies including GraphQL, REST APIs, Microservices, Node.js, Java, Python, SQL and NoSQL databases .

7 days ago

Arlington, VA

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

9 days ago

Annapolis Junction, MD

$131,300–$237,350

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. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.

9 days ago

Reston, VA

Remote

Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. The work environmental characteristics described here are representative of those that must be borne by an employee to successfully perform the essential functions of the role.

18 days ago

Chantilly, VA

$154,050–$278,475

Bachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.

Today

Bethesda, MD

$107,900–$195,050

Leidos is looking for our next TS/SCI‑cleared DevOps Software Engineer to join a high‑energy team building and deploying a cutting‑edge technology stack in support of the DIA‑NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

9 days ago

Reston, VA

Remote

$131,300–$237,350

Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. • Experience working in cloud environments (AWS, Azure, GCP), including hands-on experience with AWS services such as EC2 and S3, and deploying applications in containerized architectures (Docker, Kubernetes).

Today

Annapolis Junction, MD

$131,300–$237,350

You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

9 days ago

Arlington, VA

$131,300–$237,350

9 days ago

Arlington, VA

$69,550–$125,725

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Bachelor’s Degree in Computer Engineering, Electrical Engineering, or Computer Science and 2+ years of experience for a Master’s degree and relevant experience.

9 days ago

Arlington, VA

$90,000–$180,000

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations.

9 days ago

Gaithersburg, MD

$87,100–$157,450

The TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

18 days ago

Gaithersburg, MD

$87,100–$157,450

If you’ve been building your skills in backend development, object‑oriented programming, and mission‑driven engineering, and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

9 days ago

Arlington, VA

$131,300–$237,350

Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. Minimum of 10 years of hands-on technical experience in at least three of the following areas: Oracle, SQL Server, Java, engineered systems, cloud technologies, data integration, automated testing and deployments, and DevSecOps.

9 days ago

Arlington, VA

$131,300–$237,350

Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

9 days ago

Manassas, VA

$80,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

8 days ago

Vienna, VA

Full time

The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

30+ days ago

Columbia, MD

$107,900–$195,050

March 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

9 days ago

Manassas, VA

$80,000–$100,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

8 days ago

Arbutus, MD

$90,000–$120,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking an Electrical Engineer II to support the design and delivery of electrical systems across multiple office locations, including Columbus, Akron, Baltimore, Jacksonville, and Pensacola.

8 days ago

Arlington, VA

$110,000–$165,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

8 days ago

Manassas, VA

$120,000–$150,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our team specializes in securing critical systems through authorization management, risk mitigation strategies, vulnerability assessment processes, and cybersecurity engineering practices designed to support evolving compliance and operational requirements.

8 days ago

Vienna, VA

5+ years of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, JavaScript/TypeScript, and MS SQL Server, Identity. Experience deploying and managing applications using cloud services such as Azure App Services, Azure Functions, AWS EC2, Lambda, or containerized.

29 days ago

Fairfax, VA

$90,000–$140,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Ideal candidates will have experience with engineering consulting firms, electrical power, lighting, fire alarm, and building systems for institutional and commercial buildings, as well as proficiency in Revit and AutoCAD.

1 day ago

West McLean, VA

$120,000–$160,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.

8 days ago

Washington, DC

$140,000–$180,000 / year

This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.

4 days ago

Arlington, VA

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Our division primarily focuses on research & development and advanced prototyping, transforming state-of-the-art signal processing algorithms into real-time software systems deployed on advanced RF platforms.

9 days ago

Manassas, VA

$85,000–$95,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security.

1 day ago

Washington, DC

$100,000–$200,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a permanent role that will require you to use your knowledge and experience in air distribution, ventilation, automation, controls, design, development, construction, QA, QC, LEED, BD+C, ASHRAE, and other related areas.

8 days ago

Washington DC, DC

2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.

29 days ago

Gaithersburg, MD

$69,550–$125,725

18 days ago

McLean, VA

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.

3 days ago

Gaithersburg, MD

$87,100–$157,450

As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

18 days ago

Gaithersburg, MD

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities.

18 days ago

Gaithersburg, MD

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

10 days ago

Reston, VA

$87,100–$157,450

18 days ago

Chantilly, Virginia

Contractor

You will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.

11 days ago

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Software Engineer Jobs in Gaithersburg, MD

Senior Software Engineer (C++ / Java) Jobot

Software Engineer (TS/SCI & full scope Polygraph) Jobot

Sr. Software Engineer Jobot

Software Engineer | Java/ Clearable Jobot

Software Engineer Jobot

Senior Software Engineer Jobot

Junior Software Systems Integration Engineer - RHEL - Secret Clearance Required Jobot

Full Stack Software Engineer (Java/React/MongoDB/TypeScript) Jobot

Software/Systems Integration Engineer (Secret Clearance Required) Jobot

Senior Software Engineer (SWE-3) Leidos

Senior Backend Engineer Jobot

Software Engineer with TS-SCI with Poly System One

Software Engineer Lead System One

Senior Software Engineer System One

Senior Software Engineer Leidos

Principal Software Engineer (SWE-4) Leidos

Software Engineer III ARCTICOM LLC

Senior Software Engineer / Data Scientist (Training Systems) Leidos

DevOps Software Engineer - TS/SCI Cleared Leidos

Software Engineer Leidos

Sr. Software Engineer TS/SCI Polygraph Leidos

Principal Software Engineer Leidos

GPU Software Engineer Leidos

Real-Time Software Engineer Leidos

Lead Software Engineer Leidos

Mid-Level Backend Software Engineer Leidos

Lead Software Engineer, Data & DevSecOps Leidos

Principal Software Engineer / Tech Lead Leidos

Entry Level Software Integrator | Clearance | Linux/Windows Jobot

Jr. Software Developer Company Confidential

Software Reverse Engineer Leidos

Junior Linux Systems Engineer (RHEL/Clearance) Jobot

Building Electrical Engineer Jobot

System Integration & Test Engineer Jobot

Senior RMF Cybersecurity Engineer (Navy) Jobot

Cloud Full-Stack Software Developer NuAxis Innovations

Electrical Engineer EIT/PE Jobot

Senior PowerShell Engineer (Secret Clearance) Jobot

Software Developer System One

Senior Software Defined Radio (SDR) Engineer Leidos

Test Engineer (AN/BYG-1) Jobot

Senior Mechanical Engineer Jobot

Software Developer NuAxis Innovations

Software Developer Leidos

DevSecOps Engineer Credence

Lead DevSecOps Software Developer Leidos

Lead AI Software Developer Leidos

Senior Software Developer Leidos

Software Developer - Multiple Levels - TS/SCI Poly Required Leidos

Manufacturing Engineer II (VA) GCR Professional Services

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