PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
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Junior RF Analyst
Springfield or Chantilly
OnsiteFull Time
Master’s with 1 year experience or Bachelor’s with 2 years, or no degree with 4 years; TS/SCI clearance with adjudicated polygraph; RF/EMI concepts and test experience; ability to develop plans and analyze results.
MATLAB, Python, Excel
3mo
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Junior Full Stack Software Engineer (DevSecOps)
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
2+ YOEBachelor's with 2+ years or Master's in a relevant field; TS/SCI with polygraph; proficient in Java, Python, JavaScript; REST/JSON, Git, Agile, Docker; AWS experience; unit testing.
Java, Python, JavaScript, TypeScript, REST, Git, Docker, AWS, JUnit, Pytest
2mo
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Data Engineer - Junior
Quantico, Virginia, United States
$94k-$157k/yr OnsiteFull Time
0+ YOE0–3 years in data engineering; SQL and Python; bachelor’s in CS/IS/Engineering/Data Science; active TS/SCI clearance.
SQL, Python, Relational Databases
2w
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Junior Systems Integrator
Denver or Springfield or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Engineering or equivalent,0–3 years technical experience,foundational Linux/networking/system admin knowledge,Python/Bash familiarity,TS/SCI clearance and polygraph.
Linux, Python, Bash
1w
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Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's (or equivalent),0–3 years software development experience,Java and/or Python,web development and relational DB familiarity,TS/SCI clearance with polygraph,teamwork and problem-solving skills.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD
1mo
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Junior Data Scientist
Potomac, Maryland, United States
OnsiteFull Time
1+ YOEU.S. citizen with active TS/SCI and polygraph, 1+ years experience in statistics/operations research/advanced mathematics, experience with R or Python, and ability to apply scientific methods to qualitative and quantitative analyses.
R, Python
3w
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Junior Software Engineer
Reston, Virginia, United States
$90k-$122k/yr HybridFull Time
2+ YOE2+ years software development experience, BS in Computer Science or equivalent, proficiency in C/C++/Rust and Python, Linux, CI/CD and infrastructure automation (Terraform, Ansible, Puppet, OpenStack), strong CS fundamentals and communication skills.
Terraform, Ansible, Puppet, OpenStack, Jenkins, Groovy, GitHub, Python Behave, Cucumber, C, C++, Rust, Python, Linux, tcpdump, Docker, Kubernetes
1mo
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Junior Software Engineer Internship
Herndon, Virginia, United States
OnsiteInternship
Pursuing a BS in CS/CE or related field, US citizenship required to obtain Top Secret clearance, experience with Go or Python, understanding of networking and data structures, familiarity with Docker/Kubernetes and CI/CD.
Go, Python, Docker, Kubernetes
1mo
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Junior Software Integration Engineer
Chantilly, Virginia, United States
$70k-$105k/yr OnsiteFull Time
1+ YOEBachelor's in STEM required, 1+ years post-Bachelor experience in web application development with Java/Python/Spring/REST/Cloud; familiarity with Agile, Atlassian tools, Git/Subversion, Windows/Linux, and ability to obtain a U.S. security clearance.
Spring Framework, Java, Python, RESTful services, Cloud, JIRA, Confluence, BitBucket, SourceTree, Git, Subversion, Windows, Linux, DevSecOps, AI/LLM
3w
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Junior Full Stack Developer
Sterling, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js, Node.js, .NET, Java, Java Spring Boot, Python, REST APIs, SQL Server, MySQL, PostgreSQL, Git
1w
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Junior Software Developer (Clearance Required)
Reston, Virginia, United States
$91k-$142k/yr OnsiteFull Time
1+ YOEActive TS/SCI with polygraph, U.S. citizenship, 1+ year related experience (degree-experience tradeoffs), full-stack Python and JavaScript experience, database experience, SDLC and testing knowledge, and Git proficiency.
Python, JavaScript, PostgreSQL, MySQL, Oracle, MongoDB, Git, Docker, Kubernetes, FastAPI, Flask, Python3
2mo
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Junior Geospatial Intelligence Analyst
Washington or Reston or Charlottesville
OnsiteFull Time
3+ YOEGeospatial analysis with ArcGIS/QGIS, Python (ArcPy); 3+ years; DoD/IC familiarity; active Top Secret/SCI with CI poly.
ArcGIS Pro, QGIS, Python (ArcPy)
4w
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Junior Software Developer - TS/SCI
Herndon or Chantilly
$88k-$155k/yr OnsiteFull Time
2+ YOETop Secret/SCI required. Bachelor’s degree in EE/CS/CE or related, 2+ years software development experience, proficiency with Python and C/C++, Linux, Git; experience with AWS, Docker, Kubernetes, and ML frameworks preferred.
Python, C/C++, Linux, Git, Amazon Web Services (AWS), Docker, Kubernetes, PyTorch, TensorFlow, X-Midas, OpenCV, Keras, Qt/PyQt, Android, GitLab CI/CD, CUDA
2w
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Junior - Mid Software Developer TS/SCI
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance required; proficiency in at least one OOP language (Python, Java, or C++), Git, database integration, strong problem-solving and rapid-learning ability.
Python, Java, C++, Git, Docker, Kubernetes
2w
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Junior Software Engineer
Herndon, Virginia, United States
$80k-$128k/yr OnsiteFull Time
2+ YOEActive TS/SCI (or eligibility), Java OOP experience, 2+ years relevant experience, ability to work in SCIF, EMR not mentioned, strong communication and teamwork.
Java, Python, React, Javascript, Postgres, SQL
1w
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Junior Appian Developer
Reston, Virginia, United States
$90k-$110k/yr RemoteFull Time
0+ YOEU.S. citizen with 0–3 years Appian or application development experience; Appian Associate certification within 6 months; CompTIA Security+ within 30 days; active Tier 2 background investigation within 18 months; foundational SQL, REST, and Appian knowledge.
Appian, SQL, REST, Python, Java, JavaScript, Git, CI/CD
3w
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Junior Systems Engineer
Chantilly, Virginia, United States
$75k-$127k/yr OnsiteFull Time
0+ YOETS/SCI with poly required; 2-4 years experience with BS or 0-2 years with MS; Bachelor's in systems engineering or related STEM; familiarity with space-based remote sensing and digital engineering; strong communication skills.
Systems Tool Kit (STK), SysML, UAFML, Groovy, Python, C++, Java, Jira, Confluence, Bitbucket
3w
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Junior Software Engineer (Modeling & Simulation) - TS/SCI
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance with polygraph required; proficiency in an OOP language (Python, Java, or C++), Git, and databases; full‑stack development and rapid prototyping experience; strong problem‑solving and collaboration skills.
Python, Java, C++, Git, Docker, Kubernetes, NoSQL
2w
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Junior Embedded Systems Developer (76361)
Columbus or Chantilly
HybridFull Time
Work with researchers to develop and debug embedded firmware, build tooling and scripts for reverse engineering, and interact with microcontroller hardware; US citizenship and ability to obtain DoD Secret clearance required.
C, C++, gdb, Python, UART, SPI, I2C, JTAG, SWD, Ghidra, IDA Pro, BinaryNinja, Embedded Linux, RTOS
1w
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Junior Data Analyst - TS/SCI with Polygraph Required
Washington or Reston
$120k-$150k/yr OnsiteFull Time
3+ YOEBachelor's degree in a quantitative or related field, active TS/SCI with polygraph, 3+ years data analytics experience, Tableau and Python or R proficiency, strong communication and analytical skills.
Tableau, Python, R