HiringCafe
Join our community

44 fastapi developer jobs at 27 companies in Pasadena, CA

2mo
Save
Mark Applied
Hide
Software Engineer, AI
El Segundo or United States
$131k-$150k/yr HybridFull Time
ImmunityBio
ImmunityBioNASDAQ: IBRX: Develops next-generation immunotherapies for cancer and infectious diseases.
3+ YOE3+ years in software development; Python and TypeScript; AI agent frameworks; Docker; FastAPI; production/MLOps experience; regulated environment preferred.
Python, TypeScript, LangGraph, LangChain, CrewAI, LlamaIndex, Docker, FastAPI
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Atria Health Institute
Atria Health Institute: Membership-based concierge practice providing preventive, precision-based medical care.
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
Job PostingView all
3d
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Sr. Principal Software Engineer (SW Modeler/Developer)
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer II
Glendale or Seattle or New York
$118k-$158k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
3+ YOE3+ years backend development experience; AI/ML engineering knowledge; API design and cloud deployments; strong communication and collaboration.
FastAPI, Flask, PyTorch, TensorFlow, GitHub, Docker, AWS, EKS, LangChain, LangGraph
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer II
Glendale or New York City or Seattle
$118k-$158k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOEBachelor’s degree in Computer Science or Engineering; 3+ years backend or AI-driven development; experience with API design and cloud deployments; strong collaboration and problem-solving skills.
FastAPI, Flask, PyTorch, TensorFlow, GitHub, Docker, AWS, EKS, LangChain, LangGraph, Claude, GPT-4, PySpark, Pandas, Datadog, Grafana, Conviva, Snowflake, Databricks
Job PostingView all
2mo
Save
Mark Applied
Hide
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)
Job PostingView all
1w
Save
Mark Applied
Hide
Sr. Principal Software Engineer (SW Modeler/Developer)
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOEU.S. Secret clearance required, STEM degree (BS/MS/PhD) with relevant years experience, expertise in backend Python and front-end React JS, CI/CD experience, software modeling/design skills, and experience with cloud and mission-critical systems.
Python, React JS, C, C++, Cameo, FastAPI, MongoDB, Kafka, Docker, AWS Lambda, DynamoDB, API Gateway, Angular, SQS, EFS, S3
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Software Engineer I
Los Angeles, California, United States
$91k-$111k/yr HybridFull Time
Los Angeles Capital Management
Los Angeles Capital Management: Quantitative equity management for global institutional investors.
1+ YOEBachelor's in a quantitative field, 1+ year production software experience, strong Python and SQL skills, familiarity with testing and Git, and effective communication.
Python, FastAPI, Pydantic, GitHub Actions, Snowflake, Prefect, Git, SQL, Azure, Docker, Dagster, Airflow
Job PostingView all
1mo
Save
Mark Applied
Hide
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
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Software Engineer | Remote
Los Angeles or United States
RemoteFull Time
TubeScience
TubeScience: Data-driven performance video production for social media advertising.
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all

Explore Jobs

Expand Your Job Search