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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
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
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOETop Secret clearance required to start (TS/SCI required for continued employment), 7+ years software development, 4-year degree or equivalent, experience with cloud (AWS/GovCloud), Java/JavaScript/HTML/CSS, Python, DevOps tools, and mission-critical systems.
AWS C2E, GovCloud, Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Nexus, Artifactory, Jenkins, Harbor, Docker, Git
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$113k-$238k/yr OnsiteFull Time
7+ YOE7+ years software development, 4-year degree or equivalent, Top Secret clearance to start (TS/SCI required later), experience with cloud (AWS C2E/GovCloud), Java/JavaScript/HTML/CSS/Groovy/Grails/Angular/Python, DevOps tools and containerization, Agile and BOE experience.
AWS C2E, GovCloud, Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Nexus, Artifactory, Jenkins, Harbor, Docker, Git
2w
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Software Developer Senior
Winchester, Virginia, United States
$150k-$190k/yr HybridFull Time
8+ YOEActive Top Secret/SCI eligibility, CI polygraph eligibility, minimum eight years professional experience, experience with AWS, C#, Java or Python, and designing scalable enterprise software.
AWS, C#, Java, Python
2mo
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Senior Software Engineer
Leesburg, Virginia, United States
$110k-$123k/yr RemoteFull Time
10+ YOE10+ years software engineering experience; strong React and PHP/Laravel skills; experience with October CMS, PostgreSQL/MS SQL, Salesforce APIs; API design, code reviews, and lead developer experience.
React, PHP, Laravel, October CMS, Python, PostgreSQL, Microsoft SQL Server, Salesforce API
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
2w
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Software Engineer Senior (Security Clearance Needed)
Chantilly, Virginia, United States
$108k-$180k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; hands-on with Python or JavaScript, REST APIs, Hadoop/Map Reduce/Spark, build automation (Maven/Jenkins), Linux/Windows, and task trackers (JIRA/Redmine). TS/SCI clearance required.
Python, JavaScript, JIRA, Redmine, REST, Hadoop, Map Reduce, Spark, Maven, Jenkins, Linux, Windows
2mo
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Lead Software Engineer-Embedded Computing Software-Onsite
Ashburn, Virginia, United States
$109k-$145k/yr OnsiteFull Time
8+ YOESenior software engineer with embedded systems experience, DoD security, Linux, C/C++, and embedded software development.
C, C++, Linux, VxWorks, Python, LabVIEW, Git, JIRA, Confluence, DOORS, Yocto, Petalinux, GCC
2mo
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Sr. Software Engineer
Tucson or Centennial or Chantilly
$190k-$260k/yr OnsiteFull Time
15+ YOEProficient in modern software engineering, C++ and Python, 15+ years experience, TS/SCI clearance, US citizenship.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
1mo
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Software Developer Expert
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOESenior software engineer with 10+ years, TS/SCI Full Scope Polygraph, cloud exp, full-stack dev, CI/CD, DevOps, SQL/NoSQL, JIRA/Confluence, Splunk, Python/NodeJS/Angular/JS/C#/SQL.
Python, NodeJS, Angular, JavaScript, C#, SQL, Splunk, Grafana, Prometheus, Jira, Confluence, Windows Server, Linux, CI/CD, UML
1mo
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Senior Software Engineer (Onsite)
Cedar Rapids or Sterling
$87k-$165k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years' experience (or advanced degree with 3+ years), active transferable U.S. SECRET clearance and U.S. citizenship required, strong Python/C++ and simulation tool experience, familiarity with Agile/DevSecOps and Git/GitLab/JIRA.
AFSIM, RCADE, C++, Python, Simulink, STK, Agile, DevSecOps, CI/CD, Git, GitLab, JIRA
1mo
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Full Stack Python Developer
Ashburn or United States
RemoteFull Time
7+ YOEUS citizen able to obtain Public Trust, Bachelor’s in CS or related, 7+ years experience, containerized Linux experience, proficiency with Python, PostgreSQL, Java/Spring Boot, Angular/TypeScript, microservices, and AWS.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, AWS, Linux, microservices, RESTful services, HTML, CSS, JavaScript, Git, SQL, MySQL, PostgreSQL Server, ETL, Kafka, NGRX, NGXS, UML, CI/CD
1w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance required, HS diploma/GED, SAFe ASE certification preferred.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
1mo
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Senior Software Engineer - AI Agents
Foster City or Ashburn
$123k-$191k/yr HybridFull Time
3+ YOE2+ years with Bachelor's or 5+ years experience; strong Python REST services; GenAI, LLMs, AI agents; cloud and scalable systems; collaboration across teams.
Python, PyTorch, TensorFlow, JAX, LangChain, LangGraph, Autogen, CUDA, AWS, GCP, Azure, Docker, Kubernetes, MySQL, Cassandra, FAISS, Pinecone, GPT, Claude, Mistral, IntelliJ, VSCode, Postman, Jupyter
2mo
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Software Engineer
Chantilly, Virginia, United States
$156k-$234k/yr OnsiteFull Time
15+ YOEBS with 15+ years or MS with 12-15 years; multiple languages (Java, JavaScript, Python, XML); cloud services; web software; Windows/Unix; Git; unit/integration tests; agile; Docker/Kubernetes.
Java, JavaScript, Python, XML, Git, Spring, PostgreSQL, Docker, Kubernetes, Cloud services
3w
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Senior Software Engineer
Warrenton or State College or Augusta or Centennial
$150k-$200k/yr OnsiteFull Time
Strong Java and JavaScript/TypeScript skills required; Bachelor's in CS/CE/EE or related; experience with full-stack development, containers, Kubernetes, REST, and related tooling; Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK stack, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
1w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance, HS diploma/GED, SAFe ASE preferred, experience with front- and back-end development and Linux.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
3w
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Staff Software Engineer
Dulles, Virginia, United States
$177k-$266k/yr OnsiteFull Time
8+ YOEMust hold active DoD Top Secret clearance, STEM degree with extensive software experience (various degree/experience combinations), 5+ years software development (C++, Python, Java) and container/CI experience, leadership and team management experience, US citizenship required.
Linux, Python, C++, Java, Docker, Kubernetes, Jenkins, GitLab, Rhapsody, Cameo, Eclipse, Jira, Bitbucket, Confluence, Crucible, Bamboo, Podman, VirtualBox, QEMU, KVM, vmWare, Bash
1mo
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Senior Software Full Stack Engineer
Leesburg, Virginia, United States
$112k-$158k/yr OnsiteFull Time
8+ YOEU.S. citizenship required; Bachelor's in computer science; 8+ years software development; front-end with React; back-end with Java, C++ and Python; extensive Linux, CI/CD, REST API and embedded integration experience.
React, Java, C++, Python, Linux, Maptiler, Mapbox, mbtiles, Deck.gl, RESTful API, CI/CD
3w
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Staff Engineer Software
Dulles, Virginia, United States
$177k-$266k/yr OnsiteFull Time
7+ YOERequires Top Secret DoD clearance, 7–12+ years software experience (varies by degree), leadership experience, proficiency with C/C++, Java, Python, Docker, Kubernetes, Linux, CI/CD tools (Jenkins/GitLab), and Agile/SDLC.
C/C++, Java, Python, Docker, Kubernetes (K8s), Linux, shell scripting, Jenkins, GitLab, Rhapsody, Cameo, Eclipse, Atlassian Tools (Jira, Bitbucket, Confluence, Crucible, Bamboo), Podman, VirtualBox, QEMU, KVM, vmWare, Bash, CI/CD
1mo
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Senior Full Stack Software Developer w/poly
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI with poly required; 10+ years software engineering; strong Python and Java; React and Django experience; DevOps/CI-CD; experience with large-scale data pipelines; Bachelor’s in Computer Science or related field.
Python, Java, React, Django, Spark, OpenSearch, Elasticsearch, Kafka, gRPC, Celery, Docker, Kubernetes, MariaDB, MySQL, ValKey, PostgreSQL, InfluxDB, MongoDB, Open Telemetry (OTel), GitLab, Jira, Confluence