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Part Time Full Stack Software Developer Jobs in California

Booz Allen Hamilton, Inc.

Software Architect

El Segundo, CA · On-site

$86.80K - $198K/yr

You'll collaborate with software developers, cyber engineers, SATCOM operators, systems engineers ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

HADRIAN

Welding Engineering Specialist

Los Angeles, CA · On-site

$38.50 - $53/hr

By combining advanced software, robotics, and full-stack manufacturing, we are reinventing how ... This requires engineers with deep process expertise who can operate across both manual and highly ...

Booz Allen Hamilton, Inc.

Data Engineer

San Diego, CA · On-site

$61.90K - $141K/yr

Experience writing software in programming languages, including Python * Experience with source ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

BadVR, Inc.

Node.JS Developer (Part-Time)

Los Angeles, CA · Remote

$40 - $50/hr

Role Summary BadVR is looking for a part-time hourly Node.js developer to help maintain and extend ... software. During working hours, the employee must screen-share with the team and have their web ...

New

Brain Gain Recruiting

Explainable AI Engineer

Palo Alto, CA · On-site +1

$114.90K - $157.30K/yr

Collaborate with the cloud software team and occasionally with customers * Document Explainable AI ... You will have an opportunity to start as a contractor (preferred; full-time or part-time, at least ...

HADRIAN

NDT Engineer, Special Projects

Los Angeles, CA · On-site

$180K - $205K/yr

By combining advanced software, robotics, and full-stack manufacturing, we are reinventing how ... The Role: The Senior NDT Engineer - Level III serves as the technical authority for the ...

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How much do part time full stack software developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for part time full stack software 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 are the key skills and qualifications needed to thrive as a Part Time Full Stack Software Developer, and why are they important?

A Part Time Full Stack Software Developer should possess strong programming skills in both front-end and back-end technologies, such as JavaScript, HTML/CSS, Node.js, and databases, typically supported by a degree in computer science or related experience. Proficiency with version control systems like Git, frameworks such as React or Angular, and familiarity with cloud platforms are often required. Excellent problem-solving, time management, and communication skills help developers collaborate effectively and manage project workloads flexibly. These skills enable efficient development, seamless teamwork, and the ability to deliver robust solutions despite a part-time schedule.

How do part-time full stack software developers typically balance multiple projects and communicate with teams working standard hours?

Part-time full stack software developers often work on flexible schedules, which requires strong time management and proactive communication to stay aligned with full-time team members. They commonly use project management tools, version control systems, and regular check-ins (like stand-up meetings or progress updates) to ensure their contributions integrate smoothly with the team's workflow. It's important for part-time developers to set clear expectations about their availability and deliverables, and to be responsive to messages or feedback during their working hours. This collaborative approach helps maintain transparency and keeps projects on track despite differing schedules.

What is a Part Time Full Stack Software Developer?

A Part Time Full Stack Software Developer is a professional who works fewer hours than a full-time employee and is skilled in both front-end and back-end development. They are responsible for designing, developing, and maintaining both the client and server sides of web applications. This role offers flexibility, allowing developers to balance work with other commitments, and is common in startups, small businesses, or as a freelance arrangement. Part time full stack developers typically use a range of programming languages and frameworks to deliver complete solutions.
What are the most commonly searched types of Full Stack Software Developer jobs in California? The most popular types of Full Stack Software Developer jobs in California are:
What cities in California are hiring for Part Time Full Stack Software Developer jobs? Cities in California with the most Part Time Full Stack Software Developer job openings:
Part Time Full Stack Software Developer jobs near you
Frontend Systems Developer (contract)

Frontend Systems Developer (contract)

Atomic Machines

Emeryville, CA • Hybrid

$90 - $120/hr

Part-time

Posted 20 days ago

Job description

Atomic Machines is ushering in a new era of micromanufacturing with its Matter Compiler™ technology platform. This platform enables new classes of micromachines to be designed and built by providing manufacturing processes and a materials library that are inaccessible to semiconductor manufacturing methods. It unlocks MEMS manufacturing not only for device classes that could never be produced by semiconductor methods, but also for entirely new categories. Furthermore, this digital platform is fully programmable in the way 3D printing is digital—but whereas 3D printing produces parts of a single material using a single process, the Matter Compiler™ technology platform is a multi-process, multi-material system: bits and raw materials go in, and complete, functional micromachines come out. The Atomic Machines team has also created an exciting first device—made possible only through the Matter Compiler™ technology platform—that we will be unveiling to the world soon.
Our offices are in Emeryville and Santa Clara, California.
About The Role

In this role you will help maintain and extend a web-based visual graph editor for manufacturing workflows. Users create and connect nodes representing materials/workpieces/tools and manufacturing steps (processes/inspections), validate the resulting workflow against catalogs and strict data contracts, and export a schema-compliant JSON representation for downstream tooling.

This role blends UI engineering with data integrity work. The editor must stay responsive on large graphs, preserve correctness (IDs, validation, export format), as well as support collaboration workflows through version control integrations.

This is a part-time, hybrid, freelance/contract role. Hours:

  • 1st 60 days: 20-40 hours per week
  • Ongoing: 10-20 hours (minimum) per week
What You'll Do
  • Build and maintain a React + TypeScript UI for a graph editor (node/edge creation, selection, multi-select, drag/drop, property panels)
  • Implement schema-driven validation and export (JSON Schema / AJV), ensuring stable, backwards-compatible outputs as schemas evolve
  • Improve performance and reliability for large graphs (rendering, minimizing re-renders, preventing UI jitter, safe persistence)
  • Support workflows around identity/ID rules, including ID generation, transformations on copy/paste/import, and "minting/locking" behaviors that freeze certain fields once finalized
  • Maintain integrations used in real production workflows:
    • GitLab API (branching, committing files, MR workflows)
    • Methods API (catalog sync, offline fallback, validation that blocks pushes when API is down)
    • Authentication (Okta)
  • Ship small-to-medium features end-to-end: UI, state changes, validation, tests, and docs
  • Triage bugs from real users (manufacturing/process engineers), reproduce quickly, and implement safe fixes
  • Add/maintain unit tests (Jest + TS) around tricky logic (ID transformation, export validation, API sync behavior)
  • Keep the build/lint/test pipeline healthy (Vite, TypeScript, ESLint, Jest) and handle dependency upgrades carefully
  • Collaborate asynchronously with a cross-functional team (process, production, AI) through clear PRs, strong commit hygiene, and pragmatic technical decisions
  • Tools/Stack You'll Work With: React 18, TypeScript, Vite, Tailwind CSS, ReactFlow, AJV (JSON Schema), Jest, ESLint, GitLab API, OpenAPI, Okta
What You'll Need
  • Experience building complex, stateful UI systems (not CRUD/dashboard apps)
  • Strong React + TypeScript with state management + performance optimization
  • Experience with graph/diagram editors or similar interaction-heavy UIs
  • Experience with large in-memory data + UI/data synchronization
  • Experience with validation systems + deterministic outputs (schema, exports)
  • Strong debugging in complex systems + ability to explain tradeoffs
  • Experience leading complex, ambiguous problems across cross-functional teams with multiple stakeholders
Bonus Points For:
  • Manufacturing background (MES, process planning, CAD/CAM adjacent tooling, "recipes/methods/catalog" concepts)
  • JSON Schema / AJV experience and comfort with strict data contracts
  • GitLab API experience, auth systems (Okta/OIDC), or "internal tool" deployment constraints
Hourly Rate Range
$90—$120 USD