PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
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
3w
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Python Developer
Chantilly, Virginia, United States
$104k-$218k/yr OnsiteFull Time
Active TS/SCI with Poly required; DoD 8570 IAT Level II (e.g., Security+ CE); Bachelor’s in CS/IT or related required; proficiency with Python, Git, SQL/PostgreSQL, AWS; experience with microservices, REST APIs, CI/CD, Docker, and AI-assisted development.
Python, Git, PostgreSQL, MySQL, SQL, AWS, Docker, CI/CD, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG)
6d
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AI Developer
Winchester, Virginia, United States
$100k-$130k/yr OnsiteFull Time
3+ YOEBachelor's in CS/AI/Data Science,3+ years AI/ML or software experience,proficiency in Python,advanced SQL,API integration,experience with web AI and ERP integrations,knowledge of LLMs and MLOps.
Python, NetSuite ERP, OpenAI, Azure OpenAI, Docker, Kubernetes, MLflow, SQL, AWS, Azure, GCP
2mo
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AI Engineer
Fort Belvoir or Reston
$99k-$225k/yr HybridFull Time
Python ML engineering, AI systems, LLMs, data pipelines, MLOps, TS/SCI clearance
Python, LangChain, LlamaIndex, vLLM, TGI, Elasticsearch, LanceDB, pgvector, Retrieval-Augmented Generation, Kafka, Docker, Kubernetes, AWS, Azure, GCP, Docker and Kubernetes, ELK Stack
3mo
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AI Engineer - AI+CryoET
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEExperience building AI/ML models for 3D imaging, especially cryoET or similar volumetric data; strong Python, PyTorch/JAX skills; collaboration across multidisciplinary teams.
Python, PyTorch, JAX, OpenMM
1w
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AI Researcher
Chantilly, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Experience with AI/ML model architectures and attack techniques, Python and PyTorch proficiency, statistics and OOP knowledge, TS/SCI clearance with polygraph, and ability to translate mission needs into requirements.
Python, PyTorch, Docker, Kubernetes, MITRE ATT&CK
3mo
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AI Engineer
Reston, Virginia, United States
$75k-$190k/yr OnsiteFull Time
5+ YOE5+ years software/ML engineering; 2+ years Generative AI; Python proficiency; experience with vector databases and RAG; GenAI frameworks; US citizenship; Public Trust clearance preferred.
Python, LangChain, LlamaIndex, Haystack, OpenSearch, Bedrock, AWS, Docker, Kubernetes, APIs, Microservices, MLOps
1mo
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AI Engineer
Herndon, Virginia, United States
OnsiteFull Time
Bachelor's degree in CS or related field, proficiency in Go and Python, plus another modern language; experience with AI/ML frameworks, OpenAI, containerization (Kubernetes, Docker), DevOps/CI/CD, databases (SQL/NoSQL), and automation tools.
Go, Python, Java, C#, Rust, IBM UFT, Microsoft Power Automate, Kubernetes, Docker, OpenAI, Terraform, Ansible, SQL, NoSQL, CI/CD
2mo
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AI Architect
Chantilly, Virginia, United States
HybridFull Time
10+ YOEBachelor's in CS/AI/Data Science/Math or related field; 10–15+ years in AI/ML; strong production AI experience; security clearance of Secret; excellent communication.
Python, Jupyter Notebook, Apache Spark, Databricks, TensorFlow, PyTorch, Hugging Face, LangChain, Semantic Kernel, CrewAI, AutoGen, Kubernetes, Docker, Azure AI Services, AWS SageMaker, Google Vertex AI, Vector databases, MLflow, GitLab/GitHub CI/CD pipelines
2mo
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AI Lead Developer - Aerospace
Herndon or Mobile
$145k-$175k/yr HybridFull Time
6+ YOE6+ years in software/data engineering with production ML/AI deployments; bachelor\u0002s in engineering; expertise in generative AI, LLMs, RAG, Python, Kubernetes, cloud (GCP/AWS), CI/CD and MLOps; leadership and mentorship experience.
AWS, GCP, Palantir, Palantir Foundry, Python, Kubernetes, LangGraph, ADK, CI/CD, MLOps, APIs, RAG, LLMs, Generative AI
1mo
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AI/ML Engineer
Reston or Washington
OnsiteFull Time
5+ YOEBachelor’s degree in STEM or equivalent; ML/AI experience; Python proficiency; MLOps; model deployment; containerized environments; security-focused development.
Python, OpenShift, Kubernetes, MLOps, LLM, APIs, CI/CD, Cloud
3w
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AI Model Developer
Fairfax or Ashburn
$125k-$150k/yr HybridFull Time
3+ YOEBachelor's degree in CS/AI/Data Science, US citizenship and ability to obtain Public Trust, 3+ years AI/ML and full-stack experience, strong Python and ML framework skills, backend/frontend and cloud/DevOps familiarity.
Python, NumPy, Pandas, scikit-learn, TensorFlow, PyTorch, Transformers, Django, Flask, FastAPI, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Redis, Docker, Kubernetes, CI/CD, AWS, Microsoft Azure, GCP, GitHub workflows, Matplotlib, Plotly, D3.js, GraphQL, JavaScript, TypeScript, Next.js, AWS Bedrock, GCP AI Platform, Microsoft Azure ML, GitHub Actions
3mo
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Applied AI Scientist
Herndon or United States
$146k-$269k/yr HybridFull Time
5+ YOE5+ years in ML/AI; build and deploy ML systems; experience with Python and modern ML frameworks; production pipelines; geospatial/ Earth observation a plus.
Python, PyTorch, TensorFlow, JAX
2w
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HR AI/ML Engineer II
Herndon, Virginia, United States
$135k-$150k/yr OnsiteFull Time
3+ YOEDesign and deploy AI/ML solutions for HR, build data pipelines, strong Python and ML library experience, cloud and data engineering experience, 3+ years AI/ML or data engineering experience, ability to travel up to 10%.
Google Cloud Platform (GCP), AWS, Vertex AI, AutoML, AI Infrastructure, S3, Data Factory, BigQuery, Python, TensorFlow, PyTorch, Scikit-learn, Spark, Airflow, Databricks, PySpark, Scala, Git
1mo
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Finance Transformation AI Lead
Seattle or San Francisco or Scottsdale or Atlanta or Sterling or Boston or New York City
$107k-$171k/yr HybridFull Time
5+ YOE5+ years building business applications, automation, or analytics; strong SQL and Python skills; experience with AI-assisted development tools, APIs/integrations, and delivering AI-enabled workflows for Finance.
Cursor, Claude, Codex, GitHub Copilot, SQL, Python, APIs, LLM APIs, Power BI, Alteryx, Power Automate, Databricks, Snowflake
2mo
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AI/ML Engineer
McLean or Chantilly
OnsiteFull Time
6+ YOEExperience in AI/ML with RAG, LLM integration, Python, APIs; TS/SCI with polygraph; onsite full-time; US citizenship; 6-8 years experience depending on degree.
Python, PostgreSQL, REST APIs, AWS, Docker
1mo
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Senior AI Engineer
Reston, Virginia, United States
$112k-$179k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance, BS/BA plus ~5+ years software engineering/DevSecOps experience and 2+ years building AI/LLM applications; strong Python and another language, cloud-native (AWS/Azure/GCP), CI/CD, RAG and vector DB experience required.
GenAI.mil, LangChain, LlamaIndex, AutoGen, CrewAI, Kubernetes, Python, Java, JavaScript, Go, AWS, Azure, GCP, MHS GENESIS
1mo
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Senior AI Engineer
Reston, Virginia, United States
$112k-$179k/yr HybridFull Time
5+ YOEUS citizen with active Secret clearance, 5+ years' experience (BS/BA), 5–10+ years in software/DevSecOps/platform engineering, 2+ years building AI/LLM apps, expertise with LLM frameworks, cloud (AWS/Azure/GCP), CI/CD, Python plus another language.
LangChain, LlamaIndex, AutoGen, CrewAI, GenAI.mil, AWS, Azure, GCP, Python, Java, JavaScript, Go, Kubernetes, MHS GENESIS
3mo
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AI Data Scientist
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOE5+ years Data Science; ML/AI; Python/R; SQL; AWS; NLP; data viz; US citizen; CBP BI clearance; Bachelor's in CS/Math/Stats/IS; Masters preferred
Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, XGBoost, Tableau, QuickSight, Power BI, QlikView, D3.js, AWS, EMR, Redshift, SageMaker, Comprehend, Glue, S3
1mo
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Data & AI Engineer
Chantilly, Virginia, United States
RemoteFull Time
Experience with software development (Python, C#), strong SQL/Microsoft SQL Server skills, Microsoft-based environments, problem-solving, and interest in generative AI/LLMs. Ability to work independently and communicate with stakeholders.
Python, C#, APIs, Microsoft SQL Server, SharePoint, Microsoft Azure, LLMs
3w
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Senior AI/ML Engineer
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years building AI/ML applications (generative AI focus), hands-on with Amazon Bedrock, S3, SageMaker, CDK, Lambda, Python, TensorFlow/PyTorch, document processing, OCR/ICR/OMR, APIs, CI/CD, and database technologies.
Amazon Bedrock, S3, SageMaker, CDK, Lambda, Python, TensorFlow, PyTorch, LangChain, OCR, ICR, OMR, JSON, SOAP, REST, XML, XHTML, XSD, XSLT, Microsoft SQL Server, PostgreSQL, NoSQL, vector databases, CI/CD, TFS, SVN, Git, React, Angular, Vue.js, UiPath