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Full Stack Application Developer Jobs in California

RXinsider LTD.

Senior Engineer, Full-Stack

Temecula, CA · On-site

$120 - $190/hr

Application Development & Platform Engineering: Design, develop, test, and support full-stack applications across user interface, API, workflow, integration, and data layers. * Build modular ...

ICEYE US-SkyFi

Full Stack Engineer

Irvine, CA · On-site

$125 - $140/hr

Full Stack Engineer At ICEYE, we design, build and operate the largest fleet of Synthetic Aperture ... Ensure application reliability, performance, and maintainability by participating in code reviews ...

Fincons US

Full Stack Developer

Los Angeles, CA · On-site +1

About the Role Fincons US is seeking an experienced Full Stack Developer to support enterprise application and digital transformation initiatives. This is a remote position supporting teams and ...

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Showing results 21-40

All JobsFull Stack Application Developer JobsFull Stack Application Developer Jobs in California

Full Stack Application Developer information

See California salary details

$23

$58

$84

How much do full stack application developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for full stack application developer in California is $58.48, according to ZipRecruiter salary data. Most workers in this role earn between $48.65 and $67.36 per hour, depending on experience, location, and employer.

What is a full stack application developer?

A Full Stack Application Developer is a software professional who is skilled in both front-end and back-end development. This means they can work on the user interface, server-side logic, databases, and sometimes even deployment and infrastructure. Full Stack Developers are versatile and can handle multiple aspects of building and maintaining web applications. Their broad skill set allows them to work across the entire technology stack, making them valuable assets to development teams.

What are the key skills and qualifications needed to thrive as a full stack application developer?

To thrive as a Full Stack Application Developer, you need strong proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, Python, or Java) and a solid understanding of software development principles. Familiarity with frameworks like React or Angular, database systems (SQL or NoSQL), version control (Git), and potentially certifications like AWS Certified Developer are commonly expected. Problem-solving, adaptability, and effective communication are vital soft skills, enabling collaboration and efficient troubleshooting. These combined skills ensure the ability to independently build, maintain, and scale robust applications that meet user and business needs.

What are some common challenges full stack application developers face when managing both front-end and back-end tasks?

Full Stack Application Developers often encounter the challenge of balancing priorities between front-end user experience and back-end system performance. Staying proficient in a wide range of technologies and frameworks can be demanding, especially as projects scale or new tools are adopted. Effective communication with both UI/UX designers and server-side engineers is essential to ensure cohesive integration and smooth workflows. Adapting to frequent context switching and troubleshooting across the entire stack requires strong organizational skills and a proactive approach to learning.

What cities in California are hiring for Full Stack Application Developer jobs?

Cities in California with the most Full Stack Application Developer job openings:

Full Stack Application Developer jobs near you
Infographic showing various Full Stack Application Developer job openings in California as of August 2026, with employment types broken down into 73% Full Time, 21% Part Time, and 6% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $121,648 per year, or $58.5 per hour.

Senior Full-Stack Engineer - LLM-Powered Code Review PoC

Fuku

San Francisco, CA • On-site, Remote

Full-time

Re-posted 10 days ago

Job description

NexaFlow is building a next-generation code review tool powered by large language models. We are seeking a Senior Full-Stack Engineer to lead the development of a proof-of-concept prototype that integrates LLM-based analysis into existing CI/CD workflows.
Responsibilities:

  • D
    • esign and implement a full-stack application that integrates LLM APIs (OpenAI/Anthropic) for automated code review.
  • B
    • uild webhook-based integrations with GitHub/GitLab to automatically analyze pull requests.
  • D
    • evelop a hybrid analysis pipeline combining LLM reasoning with static analysis for bug detection, security vulnerability identification, and code quality enforcement.
  • C
    • reate a configurable rule engine allowing per-repository custom review policies.
  • B
    • uild a dashboard displaying review statistics, trends, and actionable insights.
  • C
    • ontainerize the entire solution with Docker for easy self-hosted deployment.
  • O
    • wn the full lifecycle from architecture design through deployment and documentation.
    Requirements:
  • 5
    • + years of professional full-stack development experience.
  • S
    • trong experience integrating LLM APIs (OpenAI GPT-4, Anthropic Claude) into production systems.
  • H
    • ands-on experience with CI/CD pipeline integration (GitHub Actions, GitLab CI).
  • P
    • rior work building code review tools, linters, or static analysis systems.
  • P
    • roficiency in Python (FastAPI) or Node.js for backend; React or Vue for frontend.
  • E
    • xperience with Docker containerization and self-hosted deployment.
  • A
    • bility to work independently across the full stack from architecture to deployment.
  • S
    • trong communication skills for async collaboration.
    Nice to Have:
  • E
    • xperience with RAG (Retrieval-Augmented Generation) architectures.
  • F
    • amiliarity with CodeQL, Semgrep, or similar static analysis tools.
  • P
    • revious startup or PoC-stage project experience.
  • C
    • ontributions to open-source developer tools.
    Additional Information:
  • T
    • his is a contract/consulting engagement, not a full-time employee role.
  • W
    • e value flexibility and outcome-driven collaboration.
  • R
    • emote-friendly with a preference for candidates in the San Francisco Bay Area.

    Fuku logo

    About Fuku

    Sourced by ZipRecruiter

    Industry

    Food services and drinking places

    Company size

    51 - 200 Employees

    Headquarters location

    New York, NY, US

    Year founded

    2015

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