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Python React Jobs in California (NOW HIRING)

Python Engineer

San Francisco, CA ยท On-site

$125 - $150/hr

You will enjoy the role if you love designing and developing scalable, high performant backend infrastructure using Python, React + Django / Flask / Eve / FastAPI open-source frameworks and ...

NET, Python, and React. Owns architecture, incremental modernization of legacy systems, API and database engineering, and production reliability - while mentoring engineers and continuing to write ...

$60 - $65/hr

The ideal candidate will have hands-on expertise across Java, Python, React, AWS, databases, and modern DevOps practices, with the ability to work across the full software development lifecycle.

Full Stack Engineer

San Francisco, CA ยท On-site

$150 - $200/hr

Develop high-performance, responsive customer features in Python, React, Redux, and Typescript * Implement LLM-powered features across multiple modalities: text, image, video, audio * Collaborate ...

You have solid experience in the python and the react ecosystem. You are comfortable working with AWS infrastructure, CI/CD tooling, and database technologies. You help establish and document shared ...

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Showing results 1-20

Python React information

What is a Python React developer?

A Python React developer is a software engineer who specializes in building web applications using Python for the backend (often with frameworks like Django or Flask) and React.js for the frontend. This role involves developing server-side logic and APIs with Python, as well as creating responsive and interactive user interfaces using React. Python React developers need to be proficient in both languages, understand RESTful APIs, and integrate frontend and backend components seamlessly. Their work ensures that web applications are robust, scalable, and user-friendly.

What are the key skills and qualifications needed to thrive as a Python React developer?

To thrive as a Python React Developer, you need proficiency in Python for backend development, JavaScript (with expertise in React) for frontend work, and experience with REST APIs, typically supported by a relevant degree or coding bootcamp. Familiarity with frameworks like Django or Flask, version control systems such as Git, and package managers like npm or pip is essential. Strong problem-solving, communication, and teamwork skills are vital for collaborating with cross-functional teams and delivering robust solutions. These abilities ensure efficient development of scalable, user-friendly applications and effective collaboration within agile environments.

How do Python React developers typically collaborate with backend and frontend teams on complex projects?

Python React developers often serve as a bridge between backend and frontend teams, especially in full-stack environments. They might work closely with backend developers to design RESTful APIs using Python frameworks like Django or Flask, and with frontend teams to implement user interfaces using React. Regular communication, code reviews, and agile ceremonies such as daily stand-ups are common practices to ensure alignment and seamless integration across the stack. This collaborative workflow helps address challenges early and ensures that both user experience and application performance meet project requirements.

What is the difference between Python React vs JavaScript Developer?

AspectPython ReactJavaScript Developer
Primary SkillsPython, React.js, HTML, CSSJavaScript, React.js, HTML, CSS
Work EnvironmentWeb development, full-stack projects, data-driven appsWeb development, front-end and full-stack projects
Common CertificationsPython certifications, React.js coursesJavaScript certifications, React.js courses
Industry UsageTech companies, startups, data science projectsTech companies, startups, front-end development

Python React developers focus on integrating Python backend logic with React.js front-end interfaces, often working on data-driven applications. JavaScript Developers primarily work on building interactive user interfaces with JavaScript and React.js. While both roles require React.js expertise, Python React developers combine backend Python skills with React, whereas JavaScript Developers focus mainly on front-end development.

Infographic showing various Python React job openings in California as of August 2026, with employment types broken down into 1% Internship, 89% Full Time, 6% Part Time, and 4% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Lead Founding Backend Engineer (Node, Python, React, AI/ML) - Startup Experience (San Francisco)

Alpha-Tx Solutions LLC

San Francisco, CA โ€ข On-site

Full-time

Re-posted 11 days ago


Job description

Job Openings Lead Founding Backend Engineer (Node, Python, React, AI/ML) - Startup Experience

About the job Lead Founding Backend Engineer (Node, Python, React, AI/ML) - Startup Experience About the Company

One of our prestigious building the first proactive intelligence network a new kind of consumer social platform powered by AI. Our mission is to transform AI from a novelty into something practical, social, and seamlessly integrated into daily life.

Think of this as the next wave of consumer social, where psychology, recommendation systems, and AI come together to give people what Naval Ravikant calls permissionless leverage access to intelligence at scale without barriers.

This is a zero-to-one founding opportunity. Youll help define how consumers interact with AI for the next decade, alongside a small group of world-class engineers and product builders.

What Youll Do

Build the foundation: Architect and implement the core backend systems for a consumer AI social platform.

Design for scale: Create resilient, high-performance infrastructure capable of supporting millions of users.

Own the data: Develop real-time, low-latency data pipelines powering ML-driven personalization and recommendations.

Full-stack mindset: Focus on backend (Node.js, Python, PostgreSQL) while collaborating across frontend (React, TypeScript).

Shape the product: Partner with product and design to deliver features that make AI collaborative, intuitive, and sticky.

What We're Looking For

8 to10+ years of engineering experience, with at least 5 years in Big Tech or high-scale consumer apps.

Strong track record building and scaling systems to millions of users or #1 App Store status.

Expertise in Node.js, Python, PostgreSQL, React, TypeScript, and deploying services on AWS or GCP.

Hands-on experience with AI/ML infrastructure (vector databases, LLMs, real-time data).

Consumer social DNA ideally with experience at Meta, Snap, TikTok, Discord, Reddit, X, Clubhouse, BeReal, etc.

Startup mindset: autonomous, resourceful, and able to own complex projects end-to-end.

Willing and excited to work onsite in San Francisco (South Park), 56 days/week.

Bonus: Your career path includes time outside of SF/Seattle ecosystems.

Not Required:

  • C2C Candidates
  • Job Hoppers (frequent short stints in roles).
  • Graduates from Coding Bootcamps (e.g., Full Stack Academy, Hack Reactor).
  • Consulting Backgrounds (Experience at IT software development firms instead of actual product companies).
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