110 semantic ai engineer jobs at 78 companies in United States
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Semantic AI Engineer
North Chicago or Illinois or Boston or Ludwigshafen
$79k-$141k/yr HybridFull Time
4+ YOEBachelor’s degree with 5 years or master’s degree with 4 years of experience; production AI, software, data, or semantic technology experience; ontology, knowledge graph, API, Python, and semantic standards expertise.
REST APIs, XML, JSON, Python, Pydantic, OWL, RDF, SPARQL, CI/CD, Enterprise Ontology Services (EOS), Enterprise Product Master Data (EPMD), Dataverse, SHIFT, MCP, GxP
3mo
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Semantic Data and AI Engineer
Arlington or United States
$150k-$210k/yr HybridFull Time
5+ YOEBachelor's in a related field; 5+ years in data analysis and ML; NLP; RAG pipelines; client-facing experience; Python/R; data modeling; cloud/databases; consultant mindset.
Python, R, SQL, Docker, Kubernetes, AWS, Azure, GCP, LangChain, LlamaIndex, LangGraph, BAML, SPARQL, Ontology Tools, PoolParty, Synaptica, Mondeca, Semantic Web
4w
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Senior Unified Data Semantic Engineer
Dallas or Miramar
HybridFull Time
3+ YOEMaster's in computer science or related +3 years (or Bachelor's +5 years). Experience building semantic layers, data engineering, Python/Scala/Java, cloud data platforms, and AI/ML integrations.
Python, Scala, Java, Databricks, Snowflake, Delta Lake, DBT, Fivetran, RDF, OWL, SPARQL
2mo
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Principal AI/ML Engineer, Semantic Data
New York, New York, United States
$235k-$260k/yr HybridFull Time
8+ YOEMaster's degree or equivalent experience,8+ years in ML/data systems,expertise in Python and SQL,semantic data modeling,embeddings/vector search,LLM/RAG systems,distributed systems and production deployment.
Python, SQL, AWS, Snowflake, Databricks
2mo
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AI Engineer
Broomall, Pennsylvania, United States
$175k-$190k/yr RemoteFull Time
3+ YOEBachelor's or equivalent,3+ years building production AI/ML systems,experience with LangChain/LangSmith,Python,FastAPI,AWS,S3,SQL,RAG/semantic search,graph databases;U.S. residency and background checks required.
LangChain, LangSmith, Agentcore, Neo4j, Neptune, Python, AWS Glue, S3, OpenSearch, FastAPI, SQL, MLflow, CloudWatch, PyTorch, TensorFlow, scikit-learn, Claude, GPT, AWS Bedrock, Codex, Terraform, Docker, Kubernetes, CloudFormation, Cypher, SPARQL
2mo
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Senior Unified Data Semantic Engineer (Miramar, FL, US, 33027)
Miramar or Dallas
HybridFull Time
3+ YOEMaster's in computer science (or foreign equivalent) +3 years, or Bachelor's +5 years. 3+ years building semantic layers and frameworks; knowledge of data engineering, AI/ML, and programming (Python, Scala, Java). Experience with Databricks, Snowflake, Delta Lake, DBT, Fivetran.
RDF, OWL, SPARQL, Python, Scala, Java, Databricks, Snowflake, Delta Lake, DBT, Fivetran
1mo
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AI Engineer
United States
RemoteFull Time
5+ YOE5+ years software engineering, 2+ years building AI/ML/Generative AI, Python, Azure/OpenAI experience, LangChain/LlamaIndex/Semantic Kernel, RAG and AI Agents, FastAPI, CI/CD, Docker, Kubernetes, and Public Trust suitability.
Python, Microsoft Azure, Microsoft Azure OpenAI, OpenAI APIs, LangChain, LangGraph, LlamaIndex, Semantic Kernel, RAG, AI Agents, Machine Learning, FastAPI, Microsoft Azure AI Studio, Microsoft Azure Machine Learning, Microsoft Azure DevOps, Docker, Kubernetes, SQL, Git, REST APIs, Vector Databases
2mo
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AI Engineer
Woodland Hills or Jersey City or Houston
$122k-$148k/yr HybridFull Time
5+ YOE5+ years in AI/ML or applied AI engineering, Bachelor’s/Master’s in CS/AI/Data Science, strong Python, ML fundamentals, prompt engineering, RAG, API integration, orchestration (LangChain/Semantic Kernel), AWS/SageMaker/Bedrock experience preferred, team management.
Python, LangChain, Semantic Kernel, Amazon SageMaker, Amazon Bedrock, Amazon AgentCore, Amazon Web Services (AWS), Docker, CI/CD, APIs, Retrieval-Augmented Generation (RAG)
1mo
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AI and Fabric Engineer
Atlanta, Georgia, United States
$110k-$130k/yr OnsiteFull Time
8+ YOE8+ years experience designing agentic AI and Microsoft Fabric solutions; strong Python, SQL, Spark/PySpark, ontology/semantic modeling, and production engineering skills; knowledge of LLMs, RAG, embeddings, and responsible AI.
LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Azure OpenAI, OpenAI, RAG, embeddings, vector search, hybrid search, Microsoft Fabric, Lakehouse, Warehouse, OneLake, Data Factory, Dataflows, Notebooks, Power BI, Direct Lake, Delta Lake, RDF, OWL, SPARQL, Python, SQL, Spark, PySpark, REST APIs, CI/CD, Git
1mo
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Finance AI Engineer
Sunnyvale, California, United States
$128k-$173k/yr HybridFull Time
2+ YOE2+ years AI/ML or data experience, strong Python and SQL, experience creating YAML semantic views and working with LLMs, bachelor\u0002s degree in a quantitative field, strong communication and stakeholder collaboration skills.
Snowflake Cortex, CoWork, Python, SQL, YAML, Tableau
1w
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Executive Director, Semantic and Knowledge Engineering
East Hanover or United States
$225k-$419k/yr HybridFull Time
10+ YOEBachelor's or advanced degree in a relevant discipline and 10+ years in semantic technologies, knowledge engineering, enterprise architecture, data management, or AI platforms, including leadership experience.
NovaOS, RDF, OWL, RAG, Artificial Intelligence (AI), Machine Learning (ML)
1w
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Senior Director, Semantic Data Platform
United States or California
$231k-$284k/yr RemoteFull Time
15+ YOE15+ years in software, data engineering, distributed systems, or platforms; technical leadership, modern data architecture, semantic technologies, governance, architecture, organizational leadership, and executive influence required.
Data-as-a-Service (DaaS), AI, streaming, lakehouse architectures, distributed systems, ontology, knowledge graphs, metadata, data contracts, AI/ML, generative AI, RAG, semantic search
2mo
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AI Engineer
Irvine, California, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years software/AI experience, 2+ years building LLM/agentic systems; strong Python, APIs, vector DBs, prompt engineering, RAG, orchestration frameworks (LangChain, LangGraph, CrewAI, AutoGen, Semantic Kernel, MCP). Experience with cloud, DevOps, and enterprise integrations in regulated finance preferred.
LangChain, LangGraph, CrewAI, AutoGen, Semantic Kernel, MCP, Python, SQL, JavaScript/TypeScript, OpenAI, Anthropic, Hugging Face, n8n, UiPath, Zapier, Make, Apache Airflow, AWS, Azure, GCP, Docker, Kubernetes, CI/CD, vector databases, Retrieval-Augmented Generation (RAG)
2mo
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AI Engineer
Broomall, Pennsylvania, United States
$175k-$190k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent; 3–5 years building production AI/ML systems or full-stack applications; Python, FastAPI, SQL, AWS, RAG, semantic search, testing, and code review experience.
LangChain, LangSmith, Agentcore, RAG, GraphRAG, Neo4j, Neptune, Python, AWS Glue, Amazon S3, SQL, Cypher, SPARQL, OpenSearch, FastAPI, MLflow, Amazon CloudWatch, PyTorch, TensorFlow, scikit-learn, Claude, GPT, AWS CloudFormation, AWS Bedrock, Codex, Terraform, Docker, Kubernetes
1w
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Associate Director, Semantic & Knowledge Engineering (2 Openings)
East Hanover, New Jersey, United States
$176k-$328k/yr OnsiteFull Time
6+ YOEBachelor's degree in a relevant technical discipline and 6+ years in semantic technologies, knowledge engineering, metadata, data architecture, or AI data platforms; experience with ontologies, knowledge graphs, RDF/OWL, SKOS, SPARQL, and semantic APIs.
RDF/OWL, SKOS, SPARQL, graph databases, knowledge graphs, metadata catalogs, data lineage, semantic APIs, RAG, GraphRAG, vector databases, LLM
2mo
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AI Engineer
Dallas, Texas, United States
OnsiteFull Time
3+ YOE3+ years software development with Python; experience building AI/ML solutions using OpenAI APIs or Azure OpenAI Services, RAG architectures, document processing (OCR/PDF), LangChain or Semantic Kernel, JSON and data validation.
Python, OpenAI APIs, Azure OpenAI Services, Retrieval-Augmented Generation (RAG), LangChain, Semantic Kernel, JSON, PDF, OCR, Azure AI services, vector databases, semantic search
2mo
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Knowledge Engineer / Semantic Expert for AI
Mountain View or United States
$63k-$220k/yr HybridFull Time
12+ YOEBachelor's (or equivalent) with extensive experience in knowledge graph technologies, schema/ontology design, graph DBs, data pipelines for AI/LLMs, and client-facing consulting; travel may be required.
RDF, SPARQL, LPG, SHACL, Stardog, Neo4J, Amazon Neptune, Python, TensorFlow, PyTorch, Apache NiFi, Airflow, AWS, Azure, GCP, LLM
2mo
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AI - Data Engineer
Nashville, Tennessee, United States
$129k-$150k/yr HybridFull Time
6+ YOE6+ years building AI/ML/NLP solutions, 3+ years production applied AI/LLM/generative systems, Bachelor’s in relevant field (Master’s preferred), strong Python, experience with semantic search, relational and non-relational stores, and software engineering fundamentals.
Python, APIs
2mo
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Agentic AI Engineer
New Brunswick, New Jersey, United States
$90k-$172k/yr HybridFull Time
1+ YOEExperience designing and deploying autonomous AI agents; strong Python, SQL, Pandas; hands-on with Azure AI Foundry or AWS Bedrock; prompt engineering, RAG, vector DBs, LangChain/LangGraph/Semantic Kernel/MCP Server; API/backend and Hadoop/Hive experience.
Microsoft Azure AI Foundry, AWS Bedrock, LangChain, LangGraph, Semantic Kernel, MCP Server, Python, SQL, Pandas, Hadoop, Hive, Pinecone, FAISS, ChromaDB, Flask, FastAPI, Oracle
3mo
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Senior AI Engineer
United States
$100k-$171k/yr RemoteFull Time
6+ YOE6+ years in software engineering with strong Python and GenAI experience; hands-on with LLMs and semantic technologies.
Python, SPARQL, RDF, OWL, LangChain, Google ADK
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