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 Python Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOE10+ years Python development, SQL, front-end/full stack, Git, Docker/Kubernetes, RESTful API development, Linux/Unix; Bachelor's in CS +10 years or HS +14 years; active TS/SCI with polygraph required.
Python, SQL, Git, Docker, Kubernetes, RESTful API, Linux/Unix, Node.js, Jenkins, GitLab CI, AWS, Azure, JIRA
1w
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Senior Python Developer with Spark
Reston, Virginia, United States
$97k-$157k/yr HybridFull Time
8+ YOE8+ years Python data engineering with Apache Spark, advanced SQL, AWS (EMR, Redshift, S3, Glue), big data tooling, CI/CD (GitLab, Terraform), and strong performance optimization skills.
Python, Apache Spark, Hadoop, Hive, EMR, SQL, AWS, Redshift, S3, Glue, Lambda, Step Functions, EventBridge, GitLab, Terraform
2mo
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Python Developer (Mid-Senior)
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOE10+ years Python development; FastAPI; AWS; TS/SCI with polygraph; U.S. citizenship; Bachelor's degree or equivalent experience; on-site in Chantilly, VA.
Python, FastAPI, SQLAlchemy, AWS, Kubernetes, Jenkins, GitHub, OpenSearch, Elastic, Airflow, PySpark, Trino, Linux, Docker, Helm, Makefiles, Java, Perl, C, C++, HTML, JavaScript, JSON
1mo
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Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance and U.S. citizenship; Bachelor's +8 years (or Master’s +6 or PhD +4) software development experience; 3+ years senior-level Python; software architecture and version control (GitLab) experience.
Python, GitLab
1mo
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Lead Python Programming Software Engineer – Level 4
Fairfax, Virginia, United States
$142k-$213k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance and U.S. citizenship required; 8+ years software development with Bachelor's (alternatively Master's/PhD with fewer years); 3+ years senior Python experience; software architecture, GitLab/version control, and team leadership experience.
Python, GitLab
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
2mo
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Senior Network Engineer
Springfield, Virginia, United States
HybridFull Time
7+ YOE7+ years in network engineering, monitoring, or observability; hands-on with enterprise monitoring platforms; SNMP/NetFlow; Linux/Windows; Ansible/Python; Kubernetes; strong communication.
ScienceLogic SL1, NetScout, VOSS, Dynatrace, SolarWinds, Ansible, Python, Kubernetes, Linux, Windows, Visio
1mo
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Senior Systems Engineer
Woodbridge, Virginia, United States
OnsiteFull Time
8+ YOEActive TS/SCI clearance; BS in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, or related STEM; 8+ years systems engineering; 5+ years supporting CNO; experience VR/RE/CNE; Linux-based infrastructure; lifecycle design and deployment.
Linux, Python, C, Go, Java, Docker, Podman, Kubernetes, AWS
2mo
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Senior Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOEBachelor’s in Engineering or related field; 10+ years aerospace/defense/space experience; active TS/SCI clearance; strong systems engineering and MBSE knowledge.
Cameo, MagicDraw, Jira, Confluence, DOORS, MATLAB, Python
3w
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Senior DevOps Engineer
Ashburn, Virginia, United States
$112k-$138k/yr OnsiteFull Time
Senior platform/release engineer with deep Kubernetes, automation, and secure deployment experience; hands-on with Helm, RKE2, Ansible, Python, Bash, TypeScript/React; eligible for DoD security clearance.
Kubernetes, Helm, RKE2, Ansible, Jinja, Python, Bash, TypeScript, JavaScript, React, Tailwind CSS, Git, Artifactory, Zot, RHEL, Rocky Linux, Docker
2mo
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Senior AI Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
14+ YOESenior AI/ML systems engineer with TS/Poly clearance, 5+ years AI/ML, cloud AI/ML experience, ML frameworks, data pipelines, DevOps/MLOps, strong communication.
TensorFlow, PyTorch, Python, R, AWS, Azure, Google Cloud, CI/CD, MLOps
3mo
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Senior Network Engineer
Seattle or Reston or New York or San Jose
$162k-$242k/yr HybridFull Time
10+ YOE10+ years in network engineering; experience with FedRAMP Moderate/High; multi-region/global routing; automation; strong communication.
BGP, OSPF, JunOS, EOS, NX-OS, IOS-XE, Python, Ansible/AWX, Git
1mo
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26-1106: Full Stack Python Developer - Herndon, VA
Herndon, Virginia, United States
OnsiteFull Time
5+ YOE5+ years software engineering with Python and web app development; experience with Flask/FastAPI, cloud-native delivery (Docker/Kubernetes), CI/CD, Databricks/Spark, search/graph platforms, and modern front-end frameworks.
Python, Flask, FastAPI, Databricks, Spark, Elasticsearch, Neo4j, Docker, Kubernetes, Git, React, Angular, Vue, CI/CD, LLMs, RAG
1mo
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Senior RF/Antenna Engineer
Fairfax or Chantilly
$105k-$231k/yr OnsiteFull Time
15+ YOE15+ years RF/antenna design experience; BS in Electrical Engineering; strong RF theory; proficiency with HFSS, ADS, Microwave Office, Keysight Genesys/SystemVue, WASP-NET, GRASP; MATLAB, Python; leadership and mentoring abilities.
HFSS, ADS, Microwave Office, Keysight Genesys/SystemVue, WASP-NET, GRASP, MATLAB, Python, Network Analyzers, Spectrum Analyzers, Power Meters
2mo
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Senior DevOps Engineer (REMOTE)
Springfield, Virginia, United States
RemoteFull Time
10+ YOESenior DevOps Engineer with 10+ years software development, 5+ years DevOps, cloud infrastructure, automation, Docker/Kubernetes, Python/Bash/PowerShell; Top Secret clearance.
AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Python, Bash, PowerShell
2mo
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Senior Network Engineer
Chantilly, Virginia, United States
OnsiteFull Time
6+ YOETop Secret/SCI with Poly, Bachelor’s or Master’s in CS/CE or related field, 6+ years in systems design/engineering, AWS/cloud, Linux, DevOps, Agile, GitHub, strong independent work skills.
AWS, Linux, GitHub, Python, Java, Ruby on Rails, Ansible, Puppet, Chef, Cisco NSO, Azure, Git
2mo
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Senior Data Scientist/Engineer
Chantilly, Virginia, United States
OnsiteFull Time
4+ YOESenior data scientist/engineer with 4–8 years of experience, strong Python and NLP skills, experience with generative AI, data engineering, and security-cleared environment.
Python, Pandas, scikit-learn, PyTorch, TensorFlow, Natural Language Processing, NLP, Entity extraction, Generative AI, ETL, Docker, Kubernetes, Spark, Hadoop, Kafka, Plotly, D3.js
3mo
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Senior Cloud Engineer
Fairfax or Arlington
HybridFull Time
10+ YOESenior cloud engineer with TS/SCI clearance; 10+ years cloud/IT experience; DoD program experience preferred.
Terraform, AWS, Azure, GCP, Kubernetes, Docker, GitLab, CloudFormation, PowerShell, Python, Linux, Scripting
1mo
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Senior AI/ML & Data Engineer
Chantilly, Virginia, United States
$100k-$203k/yr HybridFull Time
5+ YOE5+ years in AI/ML engineering, cloud data engineering, Python and ML frameworks, LLM development, MLOps, and secure environments.
SageMaker, Bedrock, Azure ML, Databricks, Ray, HuggingFace Transformers, PyTorch, TensorFlow, Scikit-learn, OpenAI, Anthropic, AWS, GCP, Terraform, CloudFormation, Jenkins, GitLab, Docker, Kubernetes, FedRAMP, NIST 800-53, Zero Trust
1w
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Cost Engineer/Senior Cost Engineer
El Segundo or Huntsville or Colorado Springs or Albuquerque or Chantilly or Crystal City or Greenbelt
$117k-$227k/yr HybridFull Time
8+ YOE12+ MgmtBachelor's in STEM, TS/SCI clearance, 8+ years cost/schedule engineering experience (12+ for senior), ability to develop life-cycle cost estimates, integrate cost/schedule/risk, and communicate to senior leaders.
Python, R, SQL, @RISK, Crystal Ball
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