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)
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
1mo
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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
1w
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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
3w
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Staff AI/ML Engineer
Chantilly or Manassas
HybridFull Time
5+ YOEBachelor's in a technical field, 5+ years AI/ML or related engineering experience, strong Python and MLOps experience, cloud (Azure/AWS/GCP), Spark/Databricks, AI testing/evaluation, and customer-facing communication skills. Secret clearance required or attainable.
Python, Jupyter Notebook, Apache Spark, Databricks, TensorFlow, PyTorch, Hugging Face, LangChain, Semantic Kernel, CrewAI, AutoGen, Kubernetes, Docker, Microsoft Azure AI Services, AWS SageMaker, Google Vertex AI, Vector databases, MLflow, GitLab, GitHub
2w
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Staff AI Infrastructure Engineer
Austin or Reston
HybridFull Time
8+ YOE8+ years building distributed systems and cloud-native AI infrastructure; strong Python and systems programming skills; Kubernetes, GPU inference, and platform engineering experience; leadership and architecture experience.
Python, Go, Rust, C++, vLLM, SGLang, TensorRT-LLM, Triton Inference Server, Ray Serve, Kubernetes, Helm, Argo CD, Docker, Prometheus, Grafana, OpenTelemetry, Infrastructure-as-Code, GitOps, CI/CD, AWS, Azure, Oracle Cloud Infrastructure, Google Cloud Platform
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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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
3mo
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AI Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEActive Top Secret clearance with polygraph; extensive AI/ML systems engineering experience; proficiency in ML frameworks and cloud services; strong data modeling and DevOps/MLOps experience.
TensorFlow, PyTorch, Python, R, AWS, Azure, Google Cloud, CI/CD, MLOps
2w
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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
2d
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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
1w
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AI Prompt Engineer
Ashburn, Virginia, United States
$67k-$133k/yr HybridFull Time
0+ YOEU.S. citizen able to pass CBP background check, bachelor’s degree or equivalent, 0–3 years software development experience, 1+ year with LLMs, Python or JavaScript/TypeScript experience, familiarity with prompt engineering and RAG.
Large Language Models (LLMs), OpenAI GPT, Llama, Gemini, Python, JavaScript, TypeScript, Retrieval Augmented Generation (RAG)
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
2mo
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Applied AI Engineer
Fort Belvoir or Reston
$99k-$225k/yr HybridFull Time
3+ YOE3+ years in software engineering, applied AI/ML or full-stack development; Python; API endpoints; AI solutions; TS/SCI clearance; Bachelor's degree.
Python, FastAPI, Flask, Streamlit, Gradio
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
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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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
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
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
1w
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AI/ML Engineer (Systems Engineer, Sr)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEU.S. citizen eligible for DoD Secret clearance, 1+ years backend/systems engineering experience, proficiency in Python/C++/Rust, experience with agentic systems, graph data modeling, real‑time pipelines, API design, and secure operations.
Python, C++, Rust, Neo4j, DGraph, ArangoDB, CUDA, REST, GraphQL, gRPC, SOAP, UDP, TCP, Pub/Sub, CI/CD