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24 fastapi developer jobs at 15 companies in San Clemente, CA

1mo
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ESS Mission Planning Associate/Experienced Software Engineer
Seal Beach, California, United States
$113k-$175k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOEBachelor's degree, active U.S. DoD Secret clearance, 3+ years software development for space/ground systems, experience with Python/Java/TypeScript/FastAPI, CI/CD, GitLab, Kubernetes, Postgres, and Agile/DevSecOps practices.
Python, Java, TypeScript, FastAPI, Kubernetes, Postgres, SQL, NoSQL, GitLab, CI/CD, DevSecOps
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1mo
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ESS Mission Planning Associate/Experienced Software Engineer
Seal Beach, California, United States
$113k-$175k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOEBachelor's degree, active U.S. Secret clearance, 3+ years software development for space/ground systems, 3+ years with Python/Java/TypeScript/FastAPI, experience with CI/CD, Kubernetes, Postgres, GitLab, Agile, and strong troubleshooting and system-design skills.
Python, Java, TypeScript, FastAPI, Kubernetes, Postgres, SQL, NoSQL, GitLab, CI/CD, DevSecOps, CodeVue, Agile
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2w
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Principal Engineer, CoCounsel
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Bachelor's degree (or equivalent) in CS or CE, deep Python and distributed systems experience, hands-on AI/LLM and agent experience, FastAPI/PostgreSQL/AWS familiarity, identity/IAM (SAML, OIDC, OAuth 2.0) expertise, strong communication.
Python, FastAPI, PostgreSQL, AWS, SSO, SAML, OIDC, OAuth 2.0, RBAC, ABAC, Anthropic, OpenAI, LLMs, MCP servers, vector databases, embeddings, semantic search
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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
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
10+ YOE10+ years professional software engineering experience; expert Python/FastAPI; semantic, graph, and RAG/Vector retrieval experience; cloud (GCP/AWS/Azure); leadership, TDD, and AI/LLM/SLM familiarity.
Git, Unix, Python, FastAPI, FastMCP, ADK, LLM, SLM, GraphRAG, Vector Databases, RAGAS, DeepEval, GCP, AWS, Azure
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1w
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Senior Software Engineer
Boston or Encinitas
$142k-$192k/yr OnsiteFull Time
Paperless Parts
Paperless Parts: Cloud-based quoting software for custom part manufacturers.
5+ YOE5+ years experience building full-stack web applications; strong Python (Django/FastAPI), TypeScript/React, AWS, PostgreSQL, Docker, and CI/CD (Jenkins) experience; API design and mentoring skills; US citizenship or green card required.
Python, Django, FastAPI, TypeScript, React, PostgreSQL, AWS, Docker, Jenkins, Node/Express, Java/Spring
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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
Cotality
Cotality: Provides property data, analytics, and workflow intelligence solutions.
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
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1mo
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Staff Software Engineer, Agentic AI — Nexus
Milpitas or Carlsbad
$175k-$225k/yr OnsiteFull Time
Arlo
ArloNYSE: ARLO: Provide wireless smart home security cameras and monitoring services.
8+ YOE8+ years software engineering; production LLM-powered systems experience; strong Python (FastAPI, asyncio); experience with LLM orchestration (LangGraph/LangChain); tool-use patterns; evals/observability; leadership influence.
Python, FastAPI, asyncio, type hints, LangGraph, LangChain, LlamaIndex, MCP servers, evaluation tooling
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2w
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
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2mo
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Software Engineer Lead (Hybrid)
Santa Ana, California, United States
$173k-$199k/yr HybridFull Time
First American Financial
First American FinancialNYSE: FAF: Provides title insurance and settlement services for real estate.
8+ YOE8+ years software engineering with leadership, deep database design, full-stack development, AI/ML integration, document processing, workflow design, cross-functional leadership, and cloud experience.
Python, FastAPI, React, Next.js, PostgreSQL, Docker, Kubernetes, OpenTelemetry, LangChain, Vector databases, Cloud platforms (GCP, AWS, Azure)
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2mo
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Senior Software Engineer, LIMS (Onsite)
Ramsey or Fort Myers or Aliso Viejo
OnsiteFull Time
NeoGenomics
NeoGenomicsNASDAQ: NEO: Provides specialized oncology diagnostic testing and clinical laboratory services.
7+ YOE7+ years Java software development experience, Bachelor's in Computer Science or equivalent, strong backend/REST and microservices skills, experience with Spring/Spring Boot and Python frameworks, SQL/NoSQL and cloud (AWS/Azure), authorized to work in the US.
Java, Spring, Spring Boot, Python, Flask, Django, FastAPI, RESTful APIs, microservices, SQL, NoSQL, PostgreSQL, MySQL, AWS, Azure, SAPIO LIMS, LabVantage, SDMS, ELN, CDS
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1mo
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Senior Ground Software Engineer I/II
Long Beach or United States or New Zealand
$135k-$190k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's in engineering or technical discipline; 5+ yrs (I) or 8+ yrs (II) software development; experience architecting web-based systems; U.S. citizenship and active Secret clearance (or ability to obtain) required.
Python, Golang, Rust, Typescript, Angular, InfluxDB, PostgreSQL, Playwright, FastAPI, Git, CI/CD, Kubernetes, OAuth
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3w
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Staff AI Engineer (Knowledge)
Long Beach, California, United States
$106k-$183k/yr HybridFull Time
SCAN Health Plan
SCAN Health Plan: Providing Medicare Advantage plans and integrated healthcare for seniors.
Bachelor's or equivalent; deep applied experience with LLM architectures, RAG, vector embeddings, prompt engineering, knowledge graphs, semantic modeling, Azure AI, Python, REST APIs, LangChain/Semantic Kernel; enterprise KM and data engineering experience preferred.
Databricks, Snowflake, Azure, Azure AI Services, Azure AI Foundry, Azure OpenAI, SharePoint, Microsoft 365, Teams, Confluence, Python, REST APIs, FastAPI, LangChain, Semantic Kernel, Obsidian, Logseq, Roam Research, ML/LLMOps
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1mo
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Sr Machine Learning Engineer
Irvine, California, United States
$130k-$162k/yr HybridFull Time
Yum! Brands
Yum! BrandsNYSE: YUM: Global operator of quick-service restaurant brands.
3+ YOEBachelor's/Master's in CS/Engineering/Data Science, 3+ years ML engineering/MLOps experience, strong Python (pandas, PyTorch, scikit-learn, boto3) and SQL skills, AWS SageMaker and orchestration (Step Functions, Lambda, Airflow) experience, Docker and CI/CD experience.
Python, pandas, PyTorch, scikit-learn, boto3, SQL, SageMaker, Step Functions, Lambda, S3, IAM, ECR, Airflow (MWAA), Glue, Snowflake, Redshift, Athena, Docker, GitLab CI/CD, MLflow, Hydra/OmegaConf, FastAPI, PyMC, ArviZ, Terraform, Terragrunt, CloudFormation, CloudWatch, DataDog
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1mo
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Sr Machine Learning Engineer
Irvine or Plano or Louisville
$130k-$162k/yr HybridFull Time
KFC Pan Europe
KFC Pan EuropeNYSE: YUM: Quick-service restaurant chain specializing in fried chicken products.
3+ YOEBachelor's degree, 3+ years ML engineering/MLOps or software engineering experience, strong Python (pandas, PyTorch, scikit-learn), AWS (SageMaker, Step Functions, Lambda, S3, IAM, ECR), Airflow/Glue, Docker, CI/CD, SQL; strong troubleshooting and collaboration skills.
Python, pandas, PyTorch, scikit-learn, boto3, SQL, SageMaker, Step Functions, Lambda, S3, IAM, ECR, Airflow, Glue, Snowflake, Redshift, Athena, Docker, GitLab CI/CD, MLflow, Hydra/OmegaConf, FastAPI, PyMC, ArviZ, Terraform, Terragrunt, CloudFormation, CloudWatch, DataDog, GitLab
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3d
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AI Engineer/Data Scientist
Irvine or California
$170k-$220k/yr HybridFull Time
Commercial Bank of California: A private business bank providing personalized financial and lending services
7+ YOE7+ years AI/ML experience (10+ IT experience preferred), Bachelor’s in CS/Engineering/Math/Data Science/IS, expertise with Azure AI Foundry, LLMs, Python, SQL, MLOps, containerization, and production deployment.
Azure AI Foundry, Azure Machine Learning, Azure OpenAI Service, Azure Document Intelligence, OpenAI, Claude, Claude Code, GitHub Copilot, LangChain, LlamaIndex, GPT-4, Claude 4, Llama 3, Python, PyTorch, TensorFlow, Scikit-learn, SQL, Docker, Kubernetes, FastAPI, Flask
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2mo
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Senior Machine Learning Engineer
Costa Mesa, California, United States
OnsiteFull Time
Kinetic Automation
Kinetic Automation: Automates digital vehicle maintenance and ADAS calibration using robotics.
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
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2w
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10883 - Enterprise SAP Systems & AI Solutions Engineer
Irvine, California, United States
$103k-$159k/yr HybridFull Time
Hyundai AutoEver America
Hyundai AutoEver AmericaKorea Exchange: 307950: Provides automotive software and IT services for mobility systems.
7+ YOE7+ years enterprise IT experience; functional SAP Finance/ERP knowledge; Python, AI, SQL, EMR/integration skills; strong analytical and communication abilities; bachelor's degree or equivalent.
SAP ERP, SuccessFactors, Python, Django, FastAPI, OpenAI, Anthropic Claude, Streamlit, Dash, React, SQL, RESTful APIs
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2w
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Agentic AI Architect - Intelligence Engineering (West)
Denver or East Bay or Los Angeles or Orange County or Phoenix or Portland or Salt Lake City or San Diego or San Francisco or Seattle or Silicon Valley
$108k-$237k/yr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
5+ YOE5+ years software engineering experience with 2+ years on generative/agentic AI, multi-agent system design, RAG architectures, cloud AI platform deployment, Python proficiency, and strong communication skills.
Python, FastAPI, Flask, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, LangSmith, Model Context Protocol (MCP), AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Claude Code, Cursor, Kiro, RAGAS, DeepEval
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