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Fastapi Jobs in Seattle, WA (NOW HIRING)

Catalyst Labs

ML Engineer

Seattle, WA · On-site

Preferred : • Familiarity with FastAPI, OpenAI APIs, Baseten, LiteLLM, LiveKit, PostgreSQL, Redis, and S3 is a plus. Company : Welcome to Catalyst Labs - Powering Catalytic Growth At Catalyst Labs ...

CoreWeave

Senior Software and AI Engineer

Bellevue, WA · On-site

$137K - $181K/yr

... g., FastAPI, gRPC) and frontend technologies (e.g., React, Next), including the development of scalable backend services in Node.js and Go. • Solid familiarity with Generative AI frameworks ...

OpenAI

Software Engineer, Ads Manager

Seattle, WA · On-site

... FastAPI and TypeScript / React. • Excited by building both intuitive UI workflows and robust backend systems for external customers. • Strong product intuition and enjoy translating advertiser ...

DataRobot

Agentic AI Intern

Seattle, WA · Remote

Experience with API development (FastAPI, Flask) or containerization (Docker) * Prior internship, research, or project experience applying ML to real-world problems * Experience with or interest in ...

AZX

Senior Engineer (Full Stack)

Seattle, WA · On-site

$140K - $225K/yr

Able to independently and efficiently build features in TypeScript/React and backend APIs (Python/FastAPI or Express/Deno) * 5+ years of experience with demonstrated technical leadership experience

DataRobot

Agentic AI Intern

Seattle, WA · Remote

Experience with API development (FastAPI, Flask) or containerization (Docker) * Prior internship, research, or project experience applying ML to real-world problems * Experience with or interest in ...

United Airlines

AI Architect/Developer

Seattle, WA · Hybrid

$82K - $193K/yr

Strong background in RESTful API development (FastAPI, Flask) and data pipeline architecture (Apache Airflow, Kafka, Spark). * Deep understanding of the underlying principles of neural networks and ...

OpenAI

Software Engineer, Ads Manager

Seattle, WA · On-site

$230K - $385K/yr

Have experience building in Python / FastAPI and TypeScript / React. * Are excited by building both intuitive UI workflows and robust backend systems for external customers. * Have strong product ...

United Airlines

AI Architect

Seattle, WA · Hybrid

$82K - $193K/yr

Strong background in RESTful API development (FastAPI, Flask) and data pipeline architecture (Apache Airflow, Kafka, Spark). * Deep understanding of the underlying principles of neural networks and ...

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All JobsFastapi JobsFastapi Jobs in Seattle, WA

Fastapi information

See Seattle, WA salary details

$129.3K

$146.1K

$165.1K

How much do fastapi jobs pay per year?

As of Aug 19, 2026, the average yearly pay for fastapi in Seattle, WA is $146,112.00, according to ZipRecruiter salary data. Most workers in this role earn between $138,536.00 and $151,523.00 per year, depending on experience, location, and employer.

What is a FastAPI?

A FastAPI job typically involves developing, maintaining, and optimizing web applications and APIs using the FastAPI framework. FastAPI is a modern, high-performance web framework for Python that is designed for building APIs quickly with automatic OpenAPI generation. Professionals in this role are expected to have experience with Python, asynchronous programming, and API development, often working with databases, authentication, and cloud services.

What are the typical daily responsibilities of a FastAPI developer?

As a FastAPI Developer, your daily tasks typically include designing and implementing RESTful APIs, writing efficient and maintainable code, and performing thorough testing to ensure reliability and performance. You may also collaborate closely with frontend developers, DevOps engineers, and QA teams to integrate new features and troubleshoot issues. Regular code reviews, documentation, and participation in agile development meetings are common parts of the workday. This collaborative and dynamic environment allows you to make a direct impact on the product while growing your skills through hands-on problem-solving and teamwork.

What are the key skills and qualifications needed to thrive in the FastAPI position, and why are they important?

To thrive as a FastAPI Developer, you need strong proficiency in Python, REST API design, and knowledge of web frameworks, ideally supported by a relevant degree or industry certifications. Familiarity with tools like Docker, Git, asynchronous programming, and testing frameworks such as Pytest is often required. Excellent problem-solving skills, adaptability, and clear communication are valuable soft skills in this role. These competencies ensure robust API development, seamless collaboration, and the delivery of high-quality software solutions in agile environments.

What are the most commonly searched types of Fastapi jobs in Seattle, WA?

The most popular types of Fastapi jobs in Seattle, WA are:

What are popular job titles related to Fastapi jobs in Seattle, WA?

For Fastapi jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Fastapi jobs in Seattle, WA look for?

The top searched job categories for Fastapi jobs in Seattle, WA are:

Fastapi jobs near you
Infographic showing various Fastapi job openings in Seattle, WA as of August 2026, with employment types broken down into 13% Internship, and 87% Full Time. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $146,112 per year, or $70.2 per hour.

ML Engineer

Catalyst Labs

Seattle, WA • On-site

Full-time

Re-posted 26 days ago

Job description

Job Summary:
Catalyst Labs is a leading talent agency specializing in Applied AI, Machine Learning, and Data Science. They are seeking an ML Engineer to design, build, and deploy production-grade ML systems, while collaborating with cross-functional teams to drive innovation in AI applications.
Responsibilities:
• Design, build, and deploy production-grade ML systems with end-to-end ownership of the model lifecycle from conception to deployment and maintenance.
• Architect and deliver AI-powered solutions enabling natural speech interaction and real-time audio understanding.
• Develop and optimize ML models focused on audio data to extract business-critical insights from previously unstructured voice data.
• Build agents capable of operating natively on real-world audio inputs.
• Collaborate with cross-functional teams to shape the foundations of the AI stack, improve tooling, and drive innovation in LLM and audio ML applications.
• Work directly with customers to identify needs, gather feedback, and deliver impactful real-world solutions.
• Handle the entire AI lifecycle, including data acquisition, preprocessing, model training, deployment, inference, and monitoring in production environments.
• Participate in continuous improvement of the ML infrastructure and processes for scalability and performance.
Qualifications:
Required:
• Bachelor’s or Master’s degree in Computer Science, Machine Learning, Artificial Intelligence, or a related field.
• 1-6 years of professional experience in ML engineering.
• Strong programming skills in Python (TypeScript experience is a plus).
• Hands-on experience with ML frameworks such as PyTorch or TensorFlow.
• Familiarity with cloud environments and infrastructure (preferably AWS).
• Strong understanding of data pipeline design, real-time inference, and model monitoring.
• Excellent communication skills with the ability to engage directly with customers and stakeholders.
• Proven experience building and deploying ML models into production environments.
• Demonstrated ability to own the full model lifecycle from data ingestion and model development to deployment and monitoring.
• Experience with audio-focused ML projects or similar domains involving unstructured data.
• Proficiency in building scalable data pipelines for model training and evaluation.
• Solid grasp of ML systems architecture, feature engineering, evaluation strategies, and deployment best practices.
Preferred:
• Familiarity with FastAPI, OpenAI APIs, Baseten, LiteLLM, LiveKit, PostgreSQL, Redis, and S3 is a plus.
Company:
Welcome to Catalyst Labs – Powering Catalytic Growth At Catalyst Labs, catalytic growth isn't just a concept, it's our driving force. Founded in , the company is headquartered in London, GB, , with a team of 11-50 employees. The company is currently Early Stage.

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