45 fastapi jobs at 29 companies in Langley, WA
2mo
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Lead Software Engineer - Full Stack
Seattle or India
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; strong Python; Django or FastAPI; system design; production ownership; cloud, CI/CD, security.
Python, Django, FastAPI, RabbitMQ, AWS, Terraform, React
2mo
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Software Engineer, Ads Manager
Seattle, Washington, United States
$230k-$385k/yr HybridFull Time
7+ YOE7+ years building high-scale systems; experience with Python/FastAPI and TypeScript/React; advertiser-facing platforms; privacy and safety focus.
Python, FastAPI, TypeScript, React
4w
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Senior Software Engineer, W&B Agent - W&B
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
4+ YOE4+ years full‑stack experience with Python backend and React/TypeScript frontend; experience with FastAPI, Kubernetes, distributed systems, observability, and MySQL; security- and performance-minded.
Python, FastAPI, Kubernetes, React, TypeScript, Datadog, Weave tracing, MySQL, WebSockets, server-sent events
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
4w
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Senior Software Engineer - Growth (Fullstack)
Seattle, Washington, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years full-stack experience; TypeScript/React and Python/FastAPI; SQL; A/B testing/experimentation experience; mentoring experience; strong ownership and cross-functional collaboration.
TypeScript, React, Python, FastAPI, SQL, Zoom, Microsoft Teams, Google Meet, Slack
1mo
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Senior Software Engineer II
Seattle, Washington, United States
$164k-$221k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience, bachelor’s in computer science or related, strong with Python/FastAPI, React/TypeScript, AWS, relational databases; Parquet and AWS Athena familiarity preferred.
Python, FastAPI, React, TypeScript, AWS, Parquet, AWS Athena
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AI Forward Deployed Engineer (FDE)
United States or Seattle
$140k-$200k/yr HybridFull Time
Hands-on AI agent and RAG experience, Python and FastAPI development, Docker and GitHub usage, vector DB and prompt engineering knowledge, consultative client engagement and solution design skills.
Google ADK, CoPilot Studio, CrewAI, Autogen, Vector DBs, LangChain, Hugging Face, OpenAI API, Python, FastAPI, Docker, GitHub
1mo
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Senior Machine Learning Engineer (10187)
Seattle or Salem
$110k-$160k/yr HybridFull Time
4+ YOEBachelor's degree in math/computer science, 4+ years software development experience, strong Python, FastAPI, Docker, Kubernetes, cloud architecture experience, ML familiarity (PyTorch, Sagemaker) and leadership/mentorship experience.
Python, FastAPI, Docker, Kubernetes, CI/CD, AWS, Azure, Google Cloud, PyTorch, Sagemaker, Triton, TensorRT, NoSQL
2mo
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Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years in software/cloud engineering; AWS-native; Python/FastAPI; TypeScript/Node; CI/CD; experience with LLM/agentic AI; MCP/FastMCP; security, IAM, VPC; knowledge of data stores.
Python, FastAPI, TypeScript/Node, AWS, Terraform, AWS CDK, CloudFormation, LangGraph, LangChain, PydanticAI, OpenAI, Anthropic, Gemini, AWS Bedrock
3w
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Senior AI Engineer
Seattle or Cambridge or Princeton or Madison
$138k-$183k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years building and scaling cloud-native AI applications,proficiency in Python/FastAPI or TypeScript/Node,AWS experience,LLM/agent integration,CI/CD and infra-as-code knowledge.
AWS, Claude, LangSmith, Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, Terraform, AWS CDK, CloudFormation, GitHub, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot, LangSmith, promptfoo
5d
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AI Engineering Manager, Agentic Foundation
Bellevue or South San Francisco or San Diego
$215k-$228k/yr HybridFull Time
Engineering management experience; deep software engineering and system design skills; experience with distributed systems, microservices, APIs, data/storage and GenAI/LLM systems; strong backend skills (Python, FastAPI/Flask); client-facing communication.
Python, FastAPI, Flask, CI/CD
2mo
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Software engineer, generative AI
San Francisco or New York City or Seattle or Austin or Chicago or London
$112k-$304k/yr HybridFull Time
3+ YOEMinimum 3 years software engineering experience with strong Python production experience; experience building generative AI/LLM applications, vector DBs (Pinecone, Weaviate, pgvector), microservices, cloud (AWS/GCP/Azure), Docker/Kubernetes, FastAPI/Asyncio, and PostgreSQL.
Python, Pinecone, Weaviate, pgvector, Docker, Kubernetes, FastAPI, Asyncio, PostgreSQL, Claude, Cursor, GitHub Copilot, React, TypeScript, AWS, GCP, Azure, LLMs, RESTful APIs, IAM, SSO, SAML, OAuth, OIDC, RBAC
1mo
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Technical Commerce & AI Manager | Agentic Commerce
Chicago or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$266k/yr OnsiteFull Time
8+ YOE8+ years delivering digital commerce or marketing-technology transformations; hands-on Python and SQL experience; experience with Generative/Agentic AI, Agentic AI frameworks, cloud deployments (AWS/Azure/GCP), FastAPI, Databricks, CI/CD and Kubernetes; consulting and stakeholder leadership.
Python, SQL, LangChain, LlamaIndex, CrewAI, AutoGen, LangGraph, FastAPI, Databricks, AI/BI Genie, LLM-as-a-Judge, Mosaic AI Gateway, Redis, Kubernetes, CI/CD, AWS, Azure, GCP, Adobe Commerce, SAP CX, Salesforce Commerce, MCP
3mo
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AI Sales Intelligence Analyst
Seattle or Guadalajara
$78k-$116k/yr HybridFull Time
2+ YOEHands-on AI/ML experience, SQL, cloud data warehousing, and enterprise data tools; 2-3 years in data analytics or applied AI; strong communication and cross-functional collaboration.
SQL, Python, Snowflake, BigQuery, Databricks, Salesforce, SharePoint, Tableau, Power BI, Looker, FastAPI, Next.js
1w
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AI Architect/Developer
Seattle, Washington, United States
$82k-$193k/yr HybridFull Time
10+ YOE10+ years designing and delivering enterprise AI/ML architectures; expertise in LLM/ML model selection, cloud/on‑prem infrastructure, Python, CI/CD, Docker/Kubernetes, REST APIs, model tuning and governance.
PyTorch, TensorFlow, LangChain, LlamaIndex, MLflow, Kubeflow, Weights & Biases, FastAPI, Flask, Apache Airflow, Kafka, Spark, Python, SQL, C++, Go, Docker, Kubernetes, Pinecone, Milvus, Weaviate
1mo
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Speech Research Intern-2
Redmond or United States
$45/hr RemoteFull Time
PhD candidate in CS/EE (or related) with speech/audio ML research; fluency in Python and PyTorch, GPU training experience; familiarity with torchaudio/librosa, sequence models, strong experimentation and reporting skills.
Python, PyTorch, CUDA, torchaudio, librosa, Weights & Biases, FastAPI, gRPC, ONNX, TensorRT, FSDP, DeepSpeed, ESPnet, SpeechBrain, NVIDIA NeMo
1mo
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Sr Software Engineer, Data Science
Seattle, Washington, United States
$165k-$180k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent; 7+ years backend development experience (≥2 years at senior level); strong in Go or Python; experience with ML/model lifecycle, production AI/ML systems, distributed systems, cloud (AWS/GCP), Kubernetes/Docker, and Git.
Python, Golang, Go, TypeScript, React, AWS, GCP, Terraform, Django, FastAPI, EKS, RDS, S3, SQS, EC2, IAM, Packer, Vault, Kubernetes, Docker, Git, PostgreSQL, SQL
2w
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Software Development Lead — Marketplace
Seattle, Washington, United States
OnsiteFull Time
6+ YOE6+ years building consumer-facing web/mobile products; full-stack experience with front-end and backend services; real-time systems, marketplaces, search, notifications, and AI product experience.
C#, Python, FastAPI, Vue, Nuxt, PostgreSQL
3w
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Senior Software and AI Engineer
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
3+ YOE3+ years professional programming; full‑stack development with React/TypeScript and backend services in Node.js or Go; experience with GenAI/LLM frameworks (LangChain, ChatGPT API, Glean API); cloud, Kubernetes, and CI/CD familiarity.
Workato, LangChain, LangGraph, ChatGPT agentflow, ChatGPT API, OpenAI API, Gemini agent flow, Glean API, React, TypeScript, Node.js, Go, Python, C++, C#, Java, FastAPI, gRPC, Next, Cursor, Claude, Copilot, ChatGPT Codex, Ray, Kafka, Spark, Kubernetes, AWS, Azure, GCP, Workato, Boomi, ERP, HRIS, DCIM, Data Warehouse
2mo
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Product Security Engineer
New York or Seattle or San Jose
$123k-$216k/yr OnsiteFull Time
4+ YOEMid-level software security engineer with 4-6 years of experience, strong Python/JavaScript, AI/ML security, cloud and container deployments, and secure SDLC knowledge.
Python, JavaScript, React, Azure OpenAI, LLMs, vector databases, Kubernetes, Postgres, Redis, Git, CI/CD, Docker, Celery, FastAPI