158 custom software engineer jobs at 98 companies in Washington, DC

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Custom Software Engineer
Annapolis Junction, Maryland, United States
$130k-$265k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
14+ YOEBachelor’s degree and 14+ years of software engineering experience; Linux environment; C++ and Java; scripting languages (Shell, JavaScript, Bash, Python).
C++, Python, Java, Shell, JavaScript, Bash
2w
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Software Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOETS/SCI with polygraph required; 7+ years software engineering with a CS bachelor (or 11+ years without); experience with Python, Kubernetes, Docker, Helm; customer support and strong problem-solving skills.
Python, Kubernetes, Docker, Helm
1mo
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Software Engineer, Lead
Annapolis Junction, Maryland, United States
$113k-$257k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
20+ YOETS/SCI with polygraph required. Requires 20+ years software engineering (or 24+ years without a degree) or a CS bachelor's plus 20+ years. Experience with Kubernetes, Docker, Helm, Python, software version control, customer support, and strong problem solving.
Kubernetes, Docker, Helm, Python, C++, Java, PHP, JUnit, CppUnit, WordPress, Moodle
3w
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Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
3+ YOE3+ years software engineering experience, JavaScript/TypeScript and Node.js, AWS, Docker, Git/GitLab, testing frameworks (Jest, Cypress), JIRA, unit/functional testing, requirements elicitation, and ability to work with customers. Active security clearance with polygraph required.
JavaScript, DOM, TypeScript, Node.js, npm, AWS, Docker, Git, GitLab CI, GitLab pipelines, Jest, Cypress, JIRA, Microsoft Office JavaScript API
2mo
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Software/Data Engineer
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
19+ YOEBachelor's degree in Engineering, Computer Science, Mathematics, or related field with extensive software engineering experience; cloud, Linux, Python; active TS/SCI with poly; ability to work at a customer site.
OpenStack, Linux, Python, PowerShell, Cloud Security
1w
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Custom Applications Developer
Arlington, Virginia, United States
$64k-$124k/yr RemoteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to US federal agencies.
2+ YOE2+ years experience with Python, React, and Git; basic GenAI knowledge; familiarity with CI/CD, DevOps, Terraform and GitHub Actions preferred; strong troubleshooting and communication skills.
Python, React, GenAI, Claude code, Terraform, Git, GitHub, CI/CD, GitHub Actions
3w
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Mid-Level Software Engineer
Fort Meade or Columbia
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
3+ YOETS/SCI with polygraph; Bachelor's in computer engineering/computer science (or 7 years experience); 3+ years software engineering; experience with JavaScript/DOM, TypeScript, Node.js/npm, AWS, Docker, Git/GitLab CI, Jest, Cypress, JIRA; testing, code review, troubleshooting, and customer interaction.
JavaScript, DOM, TypeScript, Node.js, npm, AWS, Docker, Git, GitLab CI, GitLab, Jest, Cypress, JIRA
2d
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Senior Software Engineer, Discovery
Seattle or Washington
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOE7+ years software engineering experience with languages such as Java, Python, C++, Rust, Go, or JavaScript; ability to architect complex systems; active U.S. Top Secret clearance required; experience with data processing and customer-facing deployments.
Java, Python, C++, Rust, Go, JavaScript
3mo
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Software Engineer 1
Annapolis Junction, Maryland, United States
$52-$107/hr OnsiteFull Time
Wyetech
Wyetech: Provides professional engineering services for government and commercial sectors.
7+ YOEU.S. citizenship and active TS/SCI required; 7+ years SWE experience or equivalent; bachelor's in computer science (or 4 additional years experience); experience with Python,Kubernetes,Docker,Helm; customer support and software testing experience.
Python, Kubernetes, Docker, Helm
2d
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Software Engineer–Systems (Associate/Experienced)
Chantilly or Aurora or Mesa
$94k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEActive U.S. Top Secret clearance, bachelor\u0002s degree, 1+ years systems/software engineering experience, familiarity with Agile/SAFe, and customer briefing skills.
Jira, Confluence, Crucible
1w
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Staff Software Engineer, Reliability Engineering & SDLC Governance
Carlsbad or Germantown
$165k-$261k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
8+ YOE8+ years software engineering experience; proven SDLC governance and SRE/DevOps expertise; customer-first mindset; experience with complex full-stack and distributed systems; ability to drive organizational change.
Prometheus, Grafana, OpenTelemetry, Datadog, AS9115
2d
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Software Engineer–Systems (Associate/Experienced)
Chantilly or Aurora or Mesa
$94k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEBachelor's degree or equivalent, active U.S. Top Secret clearance (willing to sit for CI polygraph),1+ years systems/software engineering experience, familiarity with Agile/SAFe, and customer briefing skills.
Jira, Confluence, Crucible, Microsoft Excel
1mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
10+ YOE10+ years in production environments (Linux/Windows/SQL); SIGINT experience; customer support; team collaboration; strong documentation.
JIRA, MongoDB, Oracle
1mo
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Software Engineer (Hybrid) - 28693 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$138k-$190k/yr HybridFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
9+ YOETS/SCI clearance; 9+ years in software engineering; Java, REST, microservices; OOP; agile; DoD 8140/8570 compliance; able to work on customer site in MD.
Java, Spring, Guava, REST, Git, Nexus, Maven, Linux, NiFi, Kafka, AWS, Azure, PostgreSQL, MySQL, NoSQL, Kubernetes, JIRA, Confluence, GitHub
2w
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Senior Embedded Software Engineer
Ashburn, Virginia, United States
$170k-$210k/yr HybridFull Time
Codan
CodanAustralian Securities Exchange: CDA: Designs and manufactures communications and metal detection technology.
Strong commercial embedded C/C++ experience, real-time algorithm implementation on embedded platforms, embedded Linux, ARM experience desirable, degree in engineering or computer science, excellent communication and customer-facing skills.
C, C++, embedded Linux, ARM, Qualcomm Snapdragon, Xilinx Zynq, FPGA, GPU
2w
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Senior Software Engineer - CTJ - Poly
Redmond or Reston or Atlanta or Annapolis Junction
$120k-$235k/yr OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
4+ YOEBachelor's in Computer Science (or equivalent) with 4+ years technical engineering experience; active U.S. Top Secret/SCI clearance with SSBI and Polygraph; ability to meet Microsoft/customer security screenings; proficiency coding in C, C++, C#, Java, JavaScript, or Python.
C, C++, C#, Java, JavaScript, Python, Microsoft Azure
4d
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AI/ML Software Engineer I
Annapolis Junction, Maryland, United States
$126k-$166k/yr OnsiteFull Time
BCT
BCT: Delivering mission technology and engineering services for national security.
7+ YOEActive TS/SCI with poly required, 7+ years software engineering experience (or bachelor's + experience), DoD 8570, LLM/customization, API and UI design, security and access control, EM/security measures, Microsoft Office integration.
LLM, API, Microsoft Office
3w
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Software Data Engineer
Laurel, Maryland, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOERequires TS/SCI with polygraph; degree plus 3–5 years software engineering (or PhD) or 6 years experience with HS/GED. Responsibilities include developing, maintaining, and testing complex software systems for intelligence community customers.
1mo
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Application Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gigatec
Gigatec: Providing systems engineering and software development services for defense.
Experience with Linux CLI/tools, Bash/Python/PHP scripting, Java development, IDEs (Atlassian SDK or VS Code), Ansible, CI/CD (GitLab CI), Docker, Kubernetes, Git; documentation and customer interaction skills.
Linux CLI, Linux Tools, Bash, Python, PHP, Java, Atlassian plugin software developer kit (SDK), Microsoft Visual Studio Code (VS Code), Ansible, GitLab CI, Docker, Kubernetes, Git, JIRA, Confluence
1mo
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Forward Deployed Software Engineer
Washington, District of Columbia, United States
$150k-$220k/yr HybridFull Time
Conductor AI
Conductor AI: AI platform for automating government compliance and approval workflows.
2+ YOEActive DoD Secret clearance, US citizenship, 2+ years engineering experience, proficiency in Python and TypeScript, experience with LLMs, customer-facing technical experience, ability to travel up to ~50%.
ConductorAI, Python, TypeScript, LLMs