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Fastapi Python Jobs in California (NOW HIRING)

Workhelix

Product Engineer

San Francisco, CA · On-site

You'll work across our FastAPI (Python) / Postgres / React stack, touching everything from schema design to UI behavior to CI pipelines. This is a high-trust, high-autonomy role for someone who wants ...

Nastech Global

AI Engineer

Cupertino, CA · On-site

Proficient in Python and FastAPI for backend and API development * Solid understanding of databases (SQL/NoSQL) and query optimization * Design and develop AI-driven applications leveraging LLMs and ...

Clera

Founding Product Engineer

San Francisco, CA · On-site

$200K - $250K/yr

Deep backend expertise - experience with FastAPI, Python, and MongoDB or a comparable modern stack. * Credible frontend skills with React and TypeScript ; able to ship a clean, polished UI ...

Clera

Founding Product Engineer

San Francisco, CA · On-site

$200K - $250K/yr

Deep backend expertise -- experience with FastAPI, Python, and MongoDB or a comparable modern stack. * Credible frontend skills with React and TypeScript ; able to ship a clean, polished UI ...

Trinity Technology Solutions

AI Engineer

San Jose, CA · On-site

Extensive experience in Python programming languages along with popular frameworks such as Flask FastAPI etc * Experience with AIML deep learning TensorFlow Python NLP * Excellent understanding of ...

Clera

Founding Product Engineer

San Francisco, CA · On-site

$200K - $250K/yr

Deep backend expertise with production experience in FastAPI, Python, and MongoDB (or a comparable modern stack). * Proven track record of shipping end-to-end modules: customer scoping → versioned ...

Clera

Founding Product Engineer

San Francisco, CA · On-site

$200K - $250K/yr

Deep backend expertise with production experience in FastAPI, Python, and MongoDB (or a comparable modern stack). * Proven track record of shipping end-to-end modules: customer scoping → versioned ...

Boeing

Lead Software Systems Engineer

Seal Beach, CA · On-site

... FastAPI (Python API) languages * In-depth knowledge of Command and Control (C2) systems, mission planning, ground systems, and real-time application requirements * Strong experience using CI/CD ...

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Fastapi Python information

Do any big companies use Fastapi Python?

Several large companies and tech organizations use FastAPI for building high-performance APIs due to its speed and ease of use with Python. Companies like Microsoft, Netflix, and Uber have adopted FastAPI in some of their projects, often leveraging its asynchronous capabilities and compatibility with modern Python features.

What is the difference between Fastapi Python vs Django Developer?

AspectFastapi PythonDjango Developer
Primary FocusBuilding high-performance APIsDeveloping full-stack web applications
FrameworkFastapiDjango
Work EnvironmentBackend API services, microservicesWeb applications, content management systems
Required SkillsPython, asynchronous programming, REST APIsPython, Django framework, HTML/CSS, databases

Fastapi Python developers specialize in creating fast, scalable APIs using the Fastapi framework, often for microservices and backend systems. Django developers focus on building comprehensive web applications with integrated features. Both roles require Python, but Fastapi emphasizes performance and asynchronous programming, while Django offers a full-stack solution.

What are popular job titles related to Fastapi Python jobs in California? For Fastapi Python jobs in California, the most frequently searched job titles are:
What job categories do people searching Fastapi Python jobs in California look for? The top searched job categories for Fastapi Python jobs in California are:
What cities in California are hiring for Fastapi Python jobs? Cities in California with the most Fastapi Python job openings:
Fastapi Python jobs near you
Infographic showing various Fastapi Python job openings in California as of July 2026, with employment types broken down into 88% Full Time, 4% Part Time, 7% Contract, and 1% Nights. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Product Engineer

Workhelix

San Francisco, CA • On-site

Full-time

Re-posted 14 days ago

Job description

Who We Are
Workhelix is an enterprise SaaS company with a single goal: helping organizations get the most out of their AI investments.
Our people and software combine to give leaders answers to the three critical questions about the business value of AI:
  • Where are our top opportunities to create value with AI?
  • Are our current efforts actually delivering? What's their ROI?
  • How can we accelerate and increase the benefits of our AI?

To find answers for each customer, Workhelix applies our unmatched expertise in economics, AI, and data science. We have pioneered a task-scoring method to identify top GenAI opportunities, ensuring clear, data-driven deployment strategies. Our ROI monitoring suite applies Nobel Prize-winning economics to provide accurate, ongoing insights into the impact of GenAI implementations. Renowned AI and Economics thinkers including Andrew Ng, and cofounders Andy McAfee and Erik Brynjolfsson stand proudly behind our mission.
We maintain a culture established on five key principles. For more information on our leadership principles, please visit the careers page of our website.
Role
We're hiring a Product Engineer to join our team and help us scale reliably as we grow. As we add customers, we want to make sure our team's ability to build great new features never gets compromised. This role exists to protect that focus: by strengthening how we catch and resolve issues, and by building the infrastructure that keeps quality high as we scale.
You'll work across our FastAPI (Python) / Postgres / React stack, touching everything from schema design to UI behavior to CI pipelines. This is a high-trust, high-autonomy role for someone who wants real ownership early in their career.
Key responsibilities
  • Triage and resolve incoming customer bugs across single-tenant staging and production environments
  • Work alongside the team to design and build new features and capabilities on our main product
  • Design and build automated test suites that scale across customer environments without becoming their own maintenance burden
  • Work across the full stack (Python/FastAPI backend, Postgres, React frontend) to understand and fix issues at their root cause, not just their symptom

What We Value
  • Analytical thinkers who thrive in ambiguous environments and approach challenges with curiosity and rigor.
  • A customer-centric mindset with a passion for translating complex data into software-led actionable strategies.
  • Team players with low ego and a strong desire to contribute to meaningful outcomes.
  • Proactive learners who adapt quickly and can guide, lead, and collaborate effectively.
  • Exceptional communicators who can engage with stakeholders at every level.

What you bring
  • 2+ years of professional full-stack engineering experience; comfort with Python and React strongly preferred, but we're open to strong candidates from other OOP backgrounds
  • Real SQL fluency. You understand schema design, and you can reason about ingestion to transformation to output pipelines, and the difference between a clean and a messy data model
  • A systems mindset. You naturally zoom out and notice when something upstream or downstream of your own work is drifting out of sync
  • A bias toward pragmatic delivery. You scope before you dive in, break work into shippable increments, and ship at the pace a fast-moving company requires without over-engineering
  • Genuine product and user judgment. You care what the user actually experiences, and you'll question a ticket that looks wrong rather than build it as written
  • Low ego, high standards. You care more about the quality of the outcome than who gets credit, and you take feedback in review without getting defensive
  • Strong collaborative instincts and async communication. You loop people in early, and you write clearly in Slack, PRs, and EOD updates
  • Genuine intellectual curiosity. You're energized rather than destabilized when priorities shift, and you go deep on problems because you can't help it
Success in the First 90 Days
First 30 Days
  • Become familiar with the product, architecture, and development workflows.
  • Contribute through bug fixes, backlog items, and smaller enhancements.
  • Gain exposure to the FastAPI, PostgreSQL, and React stack.
  • Successfully navigate the team's development, review, and deployment processes.
  • Build confidence deploying to staging and production environments.

First 60 Days
  • Take ownership of clearly scoped portions of active product initiatives.
  • Deliver work that integrates effectively with broader team efforts.
  • Demonstrate increasing independence and technical judgment.
  • Develop a deeper understanding of customer needs and product priorities.

First 90 Days
  • Operate as a fully integrated member of the engineering team.
  • Independently deliver meaningful product and engineering work.
  • Contribute across a variety of product areas based on team priorities.
  • Balance feature development, maintenance work, and customer-driven needs with minimal oversight.
  • Consistently deliver work within the team's normal development cadence.

Pay range and compensation package $115,000- $150,000 + Equity + Health Benefits
What You'll Get
  • Competitive compensation package and benefits.
  • Chance to learn and collaborate with some of the most famous researchers in the AI and digital economy space: Andrew Ng, Erik Brynjolfsson, Andy McAfee, and Daniel Rock.
  • The unique opportunity to help build a company, culture, and products from the ground up with a team that values healthy working practices.
  • A high-trust, high-autonomy work environment.

At Workhelix, we stand committed to ensuring an environment of mutual respect where equal employment opportunities are available without any discrimination. We believe diversity is critical to our success. Selection for employment will solely be based on qualifications, merit, and business needs. We encourage all qualified individuals to apply!

Apply