Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
48 fastapi developer jobs at 30 companies in Mountlake Terrace, WA
2w
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Software Development Engineer
Seattle, Washington, United States
$115k-$148k/yr HybridFull Time
3+ YOEBachelor's degree in computer science or related field, 3+ years software development experience, 1+ year production LLM, agentic, or AI/ML experience, and proficiency in Python, FastAPI, LangChain, TypeScript, and React.
Python, Python 3.11, FastAPI, LangChain, TypeScript, React, Claude Code, MCP, retrieval-augmented generation (RAG)
2mo
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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
3mo
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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
2mo
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Full Stack Software Engineer III - Network Perimeter & CDN
Seattle, Washington, United States
$133k-$185k/yr OnsiteFull Time
3+ YOE3+ years applied software engineering experience, strong Python, API development with Django/FastAPI, distributed systems and messaging (RabbitMQ), cloud experience with AWS, secure SDLC and CI/CD, ability to mentor and lead via code reviews, and experience with AI-assisted development tools.
Python, Django, FastAPI, RabbitMQ, Amazon Web Services (AWS), Terraform, Cloudflare, Akamai, React
1mo
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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
1mo
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Senior AI Engineer
Seattle or Madison or Princeton or Cambridge
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years building cloud-native AI applications integrating LLMs, agents, retrieval, and workflows; strong Python/FastAPI or TypeScript/Node skills; AWS experience; knowledge of secure, observable, production AI patterns.
Python, FastAPI, TypeScript, Node, LangGraph, Claude Agent SDK, LangChain, PydanticAI, MCP, FastMCP, Anthropic, OpenAI, Gemini, Grok, AWS Bedrock, AWS, Terraform, AWS CDK, CloudFormation, GitHub, LangSmith, promptfoo, Claude Code, Codex, Gemini CLI, Cursor, Windsurf, GitHub Copilot
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
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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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
1w
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Senior Web Developer
Seattle, Washington, United States
$101k-$111k/yr HybridFull Time
5+ YOERequires 5–8 years of web development, full-stack JavaScript/TypeScript and Python expertise, GIS mapping experience, Git, Docker, CI/CD, and a computer science or related degree or equivalent experience.
Visual Studio Code, Git, GitHub, Docker, WSL, macOS, CI/CD, JavaScript, TypeScript, Node.js, CSS, SASS, Vue, Nuxt, Astro, Vite, Python, FastAPI, Django, PHP, ArcGIS, ArcGIS Online, ArcGIS Portal, ArcGIS Feature Services, StoryMaps, Mapbox, Tableau, Figma, Adobe Creative Cloud, Salesforce, HubSpot, Ortto, Google Analytics, Google Tag Manager, WCAG 2.1, WCAG 2.2
3d
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Staff Software Engineer: Growth Engineering
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yr RemoteFull Time
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Python, Django, Flask, FastAPI, aiohttp, GraphQL, REST, React, React Native, TypeScript, Redux, Vite, PostgreSQL, Redis, Docker, Amazon Web Services (AWS), ECS, RDS, CloudFront, SQL, bash, SSO SAML, OIDC, JWT, AI, LLM
3mo
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Software Engineer II
Glendale or Seattle or New York
$118k-$158k/yr HybridFull Time
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
1mo
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Principal Software Engineer (PMTS)
Bellevue, Washington, United States
$197k-$314k/yr OnsiteFull Time
10+ YOE10+ years software development experience, strong Java and Python, distributed systems, Kubernetes, Spring Boot, relational databases, multi-tenant SaaS, API strategy, production incident ownership, and a related technical degree.
Java, Python, Kubernetes, Spring Boot, Hibernate, JPA, PostgreSQL, Liquibase, Alembic, Apache Spark, Trino/Presto, Parquet, Iceberg, Docker, mTLS, Tomcat, MySQL, Redis, S3, JUnit, pytest, Selenium, Playwright, SQLAlchemy, FastAPI, Flask, PySpark, Pandas
1mo
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Senior Software Engineer, AI Agentic Experience (Auth0)
Bellevue or Chicago or New York City
$147k-$202k/yr HybridFull Time
5+ YOE5+ years software engineering experience building developer tools or platforms; proficiency in JavaScript/TypeScript, Golang and/or Python; experience with LLM APIs or agent runtimes; familiarity with OAuth2/OIDC/JWT; strong architecture, documentation, and collaboration skills.
JavaScript, TypeScript, Python, React, Next.js, FastAPI, OAuth2, OIDC, JWT
1mo
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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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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
3mo
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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
4d
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Software Engineer (Backend-Focused)
United States or Canada or Seattle
$140k-$225k/yr RemoteFull Time
4+ YOERequires 4+ years in backend engineering, distributed systems, API design, and Go, Rust, or async Python. Requires exposure to Kubernetes and containerization; U.S. work authorization required.
Go, Rust, Python, FastAPI, Starlette, Envoy, gRPC, OpenTelemetry, Kubernetes, Svelte, Vue, Angular, C++, GraphQL, WebSockets, Scikit-learn, XGBoost, PyTorch, TensorFlow, JAX, ONNX, Docker, Terraform, Pulumi, Bicep
2w
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Staff Software Engineer (Journeys)
United States or San Francisco or Seattle or New York City
$265k-$331k/yr RemoteFull Time
8+ YOE8+ years of software engineering experience, Staff-level expertise, high-volume event-driven systems, communications platforms, experimentation infrastructure, LLM production systems, and cross-team technical leadership.
Python, TypeScript, FastAPI, SQLAlchemy, React, Remix, Next.js, Postgres, Redis, AWS, Fargate, ECS, S3, Spark, Kafka, Datadog, PagerDuty, Sentry, Github, Snyk, Semgrep, Lacework, Knock, Iterable, Twilio, Mailgun, LLM
4d
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Software Engineer III– AI Systems
Bentonville or Bellevue or Sunnyvale or New York or New Jersey
$90k-$234k/yr OnsiteFull Time
4+ YOEBachelor's degree in a relevant computing field with 2 years' experience, or 4 years' software engineering experience. Requires Python, distributed frameworks, GPU computing, service frameworks, Kubernetes, Docker, and systems expertise.
Python, Go, Java, C++, Ray, Apache Spark, Dask, RAPIDS, cuDF, cuML, cuGraph, FastAPI, Flask, Kubernetes, Docker, LangGraph, FAISS, Milvus, pgvector, Pinecone, PyTorch profiler, Nsight, line-profiler, vLLM, Triton Inference Server, ONNX Runtime, TensorRT, Microsoft Excel
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