39 fastapi jobs at 28 companies in Arlington, WA

2mo
Save
Mark Applied
Hide
Software Engineer, Ads Manager
Seattle, Washington, United States
$230k-$385k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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
Save
Mark Applied
Hide
Lead Software Engineer - Full Stack
Seattle or India
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
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
3w
Save
Mark Applied
Hide
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
CoreWeave
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
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
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
3w
Save
Mark Applied
Hide
Senior Software Engineer - Growth (Fullstack)
Seattle, Washington, United States
$180k-$210k/yr HybridFull Time
Read AI
Read AI: AI productivity platform for meeting summaries and workplace insights.
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
Save
Mark Applied
Hide
Senior Software Engineer II
Seattle, Washington, United States
$164k-$221k/yr OnsiteFull Time
Nautilus Biotechnology
Nautilus BiotechnologyNASDAQ: NAUT: Develops a single-molecule protein analysis platform for research.
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
Save
Mark Applied
Hide
Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
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
1mo
Save
Mark Applied
Hide
Senior Machine Learning Engineer (10187)
Seattle or Salem
$110k-$160k/yr HybridFull Time
Extreme Networks
Extreme NetworksNASDAQ: EXTR: Provides cloud-managed networking hardware and software solutions.
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
4d
Save
Mark Applied
Hide
AI Engineering Manager, Agentic Foundation
Bellevue or South San Francisco or San Diego
$215k-$228k/yr HybridFull Time
ZS
ZS: Global management consulting and technology firm for healthcare and life sciences.
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
Save
Mark Applied
Hide
Software engineer, generative AI
San Francisco or New York City or Seattle or Austin or Chicago or London
$112k-$304k/yr HybridFull Time
Writer
Writer: Platform for building and deploying enterprise generative AI agents.
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
Save
Mark Applied
Hide
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
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
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
1mo
Save
Mark Applied
Hide
Research Intern — Applied Reinforcement Learning
Palo Alto or Redmond or United States
$35-$45/hr RemoteFull Time, Contract
Centific
Centific: Providing data curation and platforms for scalable AI deployment.
PhD candidate in CS/ML or related field; strong Python and PyTorch with GPU training experience; solid RL fundamentals and RLHF/DPO/PPO experience; strong experimentation and reporting skills.
Python, PyTorch, CUDA, Gymnasium, RLlib, Stable Baselines, TRL, Weights & Biases, FastAPI, gRPC, ONNX, TensorRT
1mo
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
AI Architect/Developer
Seattle, Washington, United States
$82k-$193k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
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
3mo
Save
Mark Applied
Hide
AI Sales Intelligence Analyst
Seattle or Guadalajara
$78k-$116k/yr HybridFull Time
F5
F5NASDAQ: FFIV: Provides application delivery networking and multi-cloud security solutions.
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
2mo
Save
Mark Applied
Hide
Product Security Engineer
New York or Seattle or San Jose
$123k-$216k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
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
3mo
Save
Mark Applied
Hide
Software Engineer - Sr. Consultant level
Bellevue, Washington, United States
$152k-$244k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
8+ YOE8+ years of backend experience; strong Java/Spring Boot, Python; experience with microservices, distributed systems, GenAI/RAG, and cloud platforms.
Java, Spring Boot, Python, FastAPI, Flask, TypeScript, Kubernetes, Docker, ArgoCD, Jenkins, GitHub Actions, SQL, NoSQL, Kafka, RabbitMQ, Pinecone, FAISS, Weaviate, LangChain, LangGraph, Autogen, LlamaIndex, React, GraphQL
1mo
Save
Mark Applied
Hide
Sr Software Engineer, Data Science
Seattle, Washington, United States
$165k-$180k/yr HybridFull Time
ExtraHop
ExtraHop: Provides network detection and response software for cybersecurity.
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
1mo
Save
Mark Applied
Hide
Sr. Systems Dev Engineer, Amazon Global Data Center Ops Central Insight and Analytics Team
Seattle, Washington, United States
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEBachelor's degree or equivalent experience, 5+ years systems/software/data engineering, 3+ years building data pipelines/ETL and 3+ years with cloud services (AWS). Proficiency with Python, SQL, Spark, web frameworks, and building production data platforms.
Python, SQL, Apache Spark, AWS Lambda, Amazon DynamoDB, Amazon RDS, Amazon S3, Amazon Redshift, Amazon Athena, AWS Step Functions, Amazon ECS, Streamlit, FastAPI, Flask, Plotly, D3, Altair, Amazon QuickSight, Tableau, LLM
3w
Save
Mark Applied
Hide
Senior Security Engineer (Product)
New York City or San Francisco or Seattle
$223k-$279k/yr HybridFull Time
Headway
Headway: Builds technology that helps therapists accept insurance and run their practice to increase access to mental health care.
5+ YOE5+ years security or software engineering experience, strong application and product security skills, experience with cloud and modern stacks, security reviews, incident response, and AI-native tooling.
Lacework, Python 3, TypeScript, FastAPI, SQLAlchemy, React, Postgres, Redis, AWS, Spark, Kafka, Datadog, PagerDuty, Github, Snyk, Semgrep