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746 software testing engineer jobs at 289 companies in Frederick, MD

1w
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Software Engineer II (Testing)
Columbia or Annapolis Junction
$190k-$205k/yr OnsiteFull Time
ALEX - Alternative Experts
ALEX - Alternative Experts: Provides engineering, data analytics, and logistics services to government.
14+ YOEActive TS/SCI with FSP required; 14 years software engineering experience (6 in testing); test automation in Python; experience with Linux/Unix, C/C++/Java, scripting, integration and performance testing.
Python, Perl, Bash, C, C++, Java, JIRA, Git, Linux, Unix
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2mo
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Automated Testing Engineer
Alexandria, Virginia, United States
HybridFull Time
Akiak Technology
Akiak Technology: Provides IT and digital transformation services to federal agencies.
5+ YOEJavaScript-based test automation, Cypress/Javascript, TDD/BDD, CI/CD (Jenkins, GitLab), Git, web app testing, DHS compliance, U.S. citizenship, Public Trust clearance, 5-7 years experience, Bachelor's preferred
Cypress, Cucumber, JUnit, Jenkins, GitLab, Git, JavaScript
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2d
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Senior Software Engineer
Hanover, Maryland, United States
$90k-$140k/yr OnsiteFull Time
Systek
Systek: Provides systems engineering and technical assistance for defense agencies.
10+ YOE10 years of DoD software engineering experience (substitutions allowed), active DoD Top Secret/SCI clearance required, Master's preferred in CS/IS/Software Engineering, strong software design, development, and testing skills.
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2d
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Senior Software Engineer
Washington, District of Columbia, United States
$68-$113/hr OnsiteFull Time
PEMCCO
PEMCCO: Provides IT and engineering services for government transportation systems.
10+ YOEMaster's degree in a technical discipline, 10+ years software engineering experience, advanced software architecture knowledge, lifecycle and testing experience, ability to obtain security clearance.
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1mo
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Software Test Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years software development and testing experience with Python and React, developing unit/integration tests, integrating test frameworks into CI/CD, experience on UNIX/Linux, Secret clearance, and Bachelor's degree or 8+ years of software engineering experience.
Python, React, Pytest, Jest, Playwright, faker, Black, Mypy, Pylint, Ruff, Prettier, tsc, ESLint, Husky, Redux, Zustand, Docker Compose, Postgres, PGAdmin, Mongo, Compass, CI/CD, APIs, UNIX, Linux
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1mo
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Software Engineer
Annapolis Junction, Maryland, United States
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
14+ YOE14+ years software engineering experience, Bachelor's in a technical discipline (or substitution with additional experience), proficiency with Java, active TS/SCI with polygraph required; AWS and automated testing experience preferred.
Java, AWS (EC2/EFS/S3)
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4d
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Software Engineer
Arlington, Virginia, United States
$120k-$180k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
2+ YOEBachelor's degree and 2+ years software engineering experience; proficiency with Python and C++; experience with Git and automated testing/CI/CD; active Top Secret clearance or ability to obtain TS/SCI.
Python, C++, Git, CI/CD, Docker, AWS
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2mo
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Software Engineer
Annapolis Junction, Maryland, United States
$100k-$200k/yr OnsiteFull Time
BCT
BCT: Delivering mission technology and engineering services for national security.
Active TS/SCI with polygraph required; SIGINT or policy experience preferred; software engineering experience across design, development, debugging, and testing; must meet one of stated education/experience combinations.
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1mo
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Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$90k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems solutions to rapidly deliver mission-critical capabilities for U.S. defense customers.
3+ YOE3+ years experience in software engineering, bachelor’s degree or equivalent, ability to obtain/maintain Secret clearance, familiarity with SDLC, OOP, distributed systems, algorithms, testing, configuration management, and strong communication skills.
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3mo
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Software Engineer
Annapolis Junction, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
14+ YOEDevelop, test, and maintain software; analyze requirements; debug; document; mentor team.
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1mo
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Software Developer
Chantilly or Potomac
OnsiteFull Time
Kepora
Kepora: A that provides secure software solutions and clearance processing support.
Software engineer to design and build cloud-based systems; develop, test, and debug cloud-native applications; work with Python, Java, JavaScript; experience with serverless functions and web UI.
Python, Java, JavaScript, React, Node.js, AWS, CloudWatch, CloudTrail, Terraform, Ansible, Kubernetes, Linux, Bash
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4d
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm specializing in digital transformation, DevSecOps, cyber security, and AI integration for government clients.
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
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3w
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Software Developer
McLean, Virginia, United States
OnsiteFull Time
Easy Dynamics
Easy Dynamics: Provides cybersecurity and cloud solutions to federal agencies.
3+ YOE3+ years software development experience, Bachelor's in Engineering or related field required; strong Python backend (FastAPI, Pydantic, SQLAlchemy), React/TypeScript frontend, SQL experience, testing and CI/CD familiarity.
Python 3, FastAPI, Pydantic, SQLAlchemy, SQLite, PostgreSQL, Microsoft SQL Server, Alembic, React, TypeScript, Vite, Material UI, React Router, React Hook Form, Zod, pytest, Playwright, GitHub Actions, npm, uv, Docker, Bicep, PowerShell, Git, GitHub, Node.js, ESLint, Prettier, Ruff, Pyright
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1w
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Software Developer/Engineer
Washington, District of Columbia, United States
$79k-$160k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
4+ YOE4+ years software development and integration experience; bachelor’s degree or equivalent; ability to design, code, test, and maintain complex software solutions; active federal clearance required.
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1mo
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Software Engineer
Columbia, Maryland, United States
$93k-$140k/yr OnsiteFull Time
TCOM
TCOM: Designs and manufactures persistent surveillance aerostat and ISR systems.
5+ YOEBachelor's in Engineering required; minimum 5 years engineering experience (advanced degree may substitute); experience with simulation tools, modeling, testing, documentation, and design reviews.
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3w
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Software Engineer
Laurel, Maryland, United States
$100k-$195k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOEBS in CS/CE/Math or related, 3+ years software engineering experience, skilled in systems/scientific languages (Python, C++, Rust, Julia), Linux proficiency, CI/CD and testing practices, strong communication, and ability to obtain Interim Secret clearance (U.S. citizenship required).
Python, C++, Rust, Julia, CUDA, OptiX, SLURM, Linux, CI/CD, GPGPU
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1mo
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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
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3mo
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Software Test Engineer
Aurora or Annapolis Junction
$60-$96/hr RemoteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
3+ YOE3+ years software engineering in Agile; testing, JS/TS/Java; Playwright/Cypress; REST APIs; CI/CD; TS/SCI with polygraph; Bachelor's degree; ISTQB desirable.
Playwright, Cypress, JavaScript, TypeScript, Java, GitHub Actions, Jenkins, GitLab CI, Bitbucket Pipelines, REST APIs, Selenium
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3mo
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Software Test Engineer (QA Analyst)
Annapolis Junction, Maryland, United States
$84k-$209k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
5+ YOE5+ years software testing experience; Bachelor's in CS/Engineering; TS/SCI with polygraph; test planning, manual/automated testing, defect tracking, collaboration with engineers.
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4w
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
3+ YOEBachelor's degree and 3+ years experience (Master's may substitute), active TS/SCI with poly required, experience with C/C++, Python, assembly, and Linux/Windows/Mobile platforms; software development, testing, reverse engineering, and vulnerability research.
Windows, Linux, C/C++, Python, Assembly
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