40 senior fastapi developer jobs at 22 companies in Pomona, CA
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Senior Software Engineer, AI
El Segundo or United States
$153k-$170k/yr RemoteFull Time
7+ YOESenior software engineer with 7+ years of experience in Python/Typescript, AI agent frameworks, and production-grade systems.
Python, TypeScript, FastAPI, Docker, LangGraph, LangChain, CrewAI, LlamaIndex, Chroma, Milvus, Weaviate, Qdrant
1mo
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
1mo
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Senior Professional Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$129k-$165k/yr HybridFull Time
5+ YOEBachelor's or Master's in Computer Science/AI or related, 5+ years software engineering, expert Python/FastAPI, microservices, Snowflake/Databricks, cloud (GCP/AWS/Azure), Agile (Jira/Confluence), strong communication and mentoring skills.
Python, FastAPI, Snowflake, Databricks, GCP, AWS, Azure, Jira, Confluence, YAML
2mo
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Senior Software Engineer | Remote
Los Angeles or United States
RemoteFull Time
Senior full-stack engineer to lead frontend tooling, backend services, and cloud infrastructure for production AI integrations; strong JavaScript and Python skills, low-level language experience, media pipeline knowledge, observability and distributed systems expertise.
JavaScript, React, Vue, Angular, Python, C, C++, Rust, Zig, Next.js, FastAPI, Django, Flask, Docker, Kubernetes, PostgreSQL, MongoDB, Redis, Temporal, Airflow, Dagster, Kafka, RabbitMQ, ffmpeg, AWS, GCP, Azure
2mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
1w
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
1h
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Senior Software Engineer, Enterprise Applications
Long Beach, California, United States
$135k-$267k/yr OnsiteFull Time
6+ YOEBachelor’s degree or equivalent experience, 6+ years of software development, and experience building, shipping, and supporting complex data-intensive full-stack applications.
React, Vue, GraphQL, Node.js, OAuth, Terraform, FastAPI, PostgreSQL, MySQL, SQL Server
1w
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Senior Principal Software Engineer - TS/SCI
Long Beach, California, United States
$198k-$297k/yr OnsiteFull Time
15+ YOE15+ years software development experience with embedded and ground systems, proficiency in C/C++ and Python, active TS/SCI clearance and U.S. eligibility, bachelor\u0019s degree in engineering or computer science required.
C, C++, python, VxWorks, embedded Linux, RTOS, DIO, AIO, ICD, RF, CAN/CAN-FD, SpaceWire, UDP/TCP, FastAPI, Golang, Rust, Typescript, Angular, InfluxDB, PostgreSQL, Git, Kubernetes, OAuth, CCSDS, Space Packet Protocol, COP-1, CFD, CI/CD
2mo
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Senior Machine Learning Engineer
Costa Mesa, California, United States
OnsiteFull Time
Hands-on experience training and evaluating deep models for segmentation and detection (PyTorch); understanding vision transformers and 2D/3D data; strong Python skills.
Python, PyTorch, torchvision, Detectron2, MMDetection, Hugging Face Transformers, FastAPI, Docker, AWS
1mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
3w
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Sr. Full Stack Engineer
Tempe or Burbank
$135k-$163k/yr HybridFull Time
Entertainment Partners: Provides payroll and workforce management for entertainment productions.
6+ YOE6+ years software engineering experience, strong Python (FastAPI), React.js/TypeScript, API and database expertise, CI/CD and cloud experience, LLM/AI integration, bachelor's degree or equivalent.
Python, FastAPI, React.js, TypeScript, PostgreSQL, MySQL, MongoDB, ORMs, GitHub Actions, Jenkins, Microsoft Azure DevOps, Docker, Kubernetes, AWS, Azure, OCI, OpenAI, Anthropic/Claude, LangChain, LangGraph, pgvector, Pinecone, Weaviate, WebSockets, SSE, JWT, OAuth2
1w
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Senior Principal Software Engineer - TS/SCI
Long Beach, California, United States
$198k-$297k/yr OnsiteFull Time
15+ YOEBachelor's degree, 15+ years software experience (embedded and ground), active TS/SCI clearance and U.S. citizenship, proficiency in C/C++ and Python, RTOS and embedded Linux experience, hardware integration and RF comms experience.
VxWorks, embedded Linux, C, C++, python, CAN, CAN-FD, SpaceWire, UDP, TCP, FastAPI, Golang, Rust, Typescript, Angular, InfluxDB, PostgreSQL, Git, Kubernetes, OAuth
4w
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Sr. Principal Software Engineer (SW Modeler/Developer)
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
8+ YOEU.S. Secret clearance required; STEM degree with significant experience (BSc+8/ MSc+6/ PhD+4); expertise in backend (Python) and frontend (React) development, CI/CD, software modeling, and mission‑critical ground systems.
Python, React JS, C, C++, Cameo, FastAPI, MongoDB, Kafka, Docker, AWS Lambda, DynamoDB, API Gateway, Angular, SQS, EFS, S3, CI/CD
1w
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Staff Full Stack Engineer
Santa Monica or Brooklyn or New York City or United States
$190k-$220k/yr HybridFull Time
Senior full-stack engineer with strong backend/API skills, product instincts, AI tool fluency, and experience building data-heavy services and integrations.
APIs, Python, FastAPI, React, TypeScript, React Router, Remix, PostgreSQL, SQLAlchemy, GCP
1w
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Senior AI Engineer
Costa Mesa, California, United States
$125k-$147k/yr RemoteFull Time
8+ YOE3+ Mgmt8+ years software experience with 3+ years leading technical teams; proven production LLM/AI system design; expertise across full-stack, cloud-native, and observability tooling.
TypeScript, Node.js, Python, Go, C#, Java, React, Next.js, Tailwind, FastAPI, .NET Core, Angular Core, Azure, AWS, Kubernetes, AKS, EKS, Terraform, Databricks, Mosaic AI Agent Framework, Unity Catalog, Delta Lake, GraphQL, gRPC, Azure DevOps, ArgoCD, Prometheus, OpenTelemetry, Grafana, New Relic, Datadog, Kafka, EventHub, SQL, NoSQL
2w
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Senior Data Engineer
New York City or San Francisco or Los Angeles
$165k-$220k/yr HybridFull Time
5+ YOE5+ years data engineering experience, 3+ years PySpark and public cloud (AWS S3/EMR), strong Python and SQL, BS in CS/related or equivalent, experience with data modeling, pipelines, and on-call support.
S3, Apache Iceberg, EMR, PySpark, Dagster, Kubernetes, Clickhouse, PostgreSQL, FastAPI, Metabase, Python, SQL
2w
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Full Stack Engineer
Los Angeles, California, United States
$89k-$136k/yr RemoteFull Time
8+ YOE8+ years full-stack web development experience; expert in Node.js, JavaScript, TypeScript; React and StoryBook; Redis/Memcached and relational DBs; gRPC/REST; AWS and Docker/Kubernetes; US work authorization required.
Node.js, JavaScript, TypeScript, React, StoryBook, CSS/SASS, Redis, Memcached, MariaDB, MySQL, Postgres, gRPC, GoLang, GraphQL, Figma, Python, Flask, FastAPI, Kafka, AWS, Docker, Kubernetes
6d
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Staff AI Platform & Reliability Engineer
Santa Ana, California, United States
$172k-$220k/yr OnsiteFull Time
Senior Python/GCP engineer to design and operate AI generation services, provider integrations, billing/usage metering, tenant security and platform reliability.
Python 3.12, FastAPI, Pydantic, asyncio, Cloud Run, Pub/Sub, Cloud Tasks, GCS, Firestore, Cloud SQL/Postgres, SQLAlchemy, Alembic, Terraform, IAM/OIDC, Secret Manager, CI/CD, NestJS, TypeScript, Claude Code, Codex, Cursor
3w
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Lead Software Systems Engineer
Seal Beach, California, United States
$172k-$232k/yr OnsiteFull Time
5+ YOEActive U.S. Top Secret/SCI required, Bachelor\u0002s degree or equivalent, 5+ years software development experience for space/ground systems, Python/JavaScript/TypeScript experience, CI/CD and database experience.
Python, JavaScript, Angular, JQuery, TypeScript, Postgres, SQL, NoSQL, Java, FastAPI, CI/CD
3w
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Lead Software Systems Engineer
Seal Beach, California, United States
$172k-$232k/yr OnsiteFull Time
5+ YOE5+ MgmtActive U.S. Top Secret/SCI clearance, Bachelor’s degree, 5+ years software development experience (Python, JavaScript, TypeScript), CI/CD and database experience, leadership and systems engineering for space/ground systems.
Python, JavaScript, TypeScript, Angular, JQuery, FastAPI, Postgres, SQL, NoSQL, Java, CI/CD
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