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Freelance Full Stack Developer Node Js Jobs in Hayward, CA

Teserac, Inc.

Full Stack Developer

Sunnyvale, CA · On-site

Why You Would Be a Good Fit You are a full-stack engineer who takes pride in shipping features that ... React with TypeScript, modern CSS, and data visualization libraries (D3.js, Recharts, or similar)

CYNET SYSTEMS

Full Stack Developer

Santa Clara, CA · On-site

$55 - $60/hr

... Full Stack Software Development. * Strong programming experience in Python ... Experience with React, Angular, or Vue.js. * Hands-on experience with FastAPI, Flask, or Django.

CYNET SYSTEMS

Full Stack Developer

Santa Clara, CA · On-site

$55 - $60/hr

... Full Stack Software Development. Strong programming experience in Python ... Experience with React, Angular, or Vue.js. Hands-on experience with FastAPI, Flask, or Django.

Xona

Sr. Full Stack Engineer

Burlingame, CA · On-site

They are seeking a Sr. Full-Stack Engineer to design and build mission control software that ... or Node.js. • Hands-on experience designing and consuming RESTful (and/or GraphQL) APIs. • ...

Pear

Founding Engineer - Baton AI

San Francisco, CA · On-site

What We're Looking For * 3+ years of full-stack engineering experience and love working with React and Typescript. * Proficiency in modern web application development - React/NextJS and Node.js.

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Freelance Full Stack Developer Node Js information

See Hayward, CA salary details

$27

$67

$98

How much do freelance full stack developer node js jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for freelance full stack developer node js in Hayward, CA is $67.94, according to ZipRecruiter salary data. Most workers in this role earn between $56.49 and $78.27 per hour, depending on experience, location, and employer.

What is the difference between Freelance Full Stack Developer Node Js vs Freelance Front End Developer?

AspectFreelance Full Stack Developer Node JsFreelance Front End Developer
SkillsJavaScript, Node.js, databases, server-side & client-side developmentHTML, CSS, JavaScript, UI/UX design
Work EnvironmentBackend and frontend projects, server managementPrimarily UI/UX, website interfaces
CertificationsJavaScript, Node.js certifications often preferredHTML, CSS, JavaScript certifications
Industry UsageWeb applications, SaaS, startupsWebsite design, branding, small to large businesses

Freelance Full Stack Developers with Node.js skills handle both backend and frontend tasks, while Freelance Front End Developers focus mainly on website interfaces and user experience. The full stack role requires broader technical knowledge, especially in server-side development, whereas front end specialists concentrate on visual and interactive elements.

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Full-Stack Engineer

Nexusflow.ai, Inc.

Palo Alto, CA

Full-time

Re-posted 15 days ago

Job description

About Nexusflow.ai

Modern enterprise copilots & agents call for last-mile quality, enterprise-grade robustness and scalable operation costs, beyond simplified programming interfaces for generative AI. Nexusflow tackles this challenge, enabling enterprises to own their workflow copilots & agents stacked on top of powerful yet cost-effective, compact LLMs. We train large language models and build last-mile quality dev tooling for copilots & agents on your enterprise workflows. Our team has built the open-source LLM, NexusRaven-V2, rivaling GPT-4 in function calling with a 100X smaller model size. Our team members are also behind the scenes of Starling, the #1 ranked compact 7B chat model based on human evaluation in Chatbot Arena.

Position: Full-Stack Engineer

Nexusflow is currently adding Full-Stack Engineers to our team. Our full-stack engineers are responsible for packaging up our technology in models and last-mile quality toolings as systems. Our full-stack engineers will be the driving force building our products and solutions in extensive collaboration with our ML engineers, designers & our customers.

  Responsibilities

  • Full-stack development in dev tooling and applications for GenAI copilots & agents

  • Spearheading the development and maintenance of high-quality web front-end using React.js

  • Contributing to the backend API system for cloud or on-prem deployment

  • Staying updated on emerging technologies and best practices in web development

  • Wearing many hats and collaborating with Nexusflow.ai's full team for product development, deployment and customer success

  Qualifications Required

  • 3+ years experience in full-stack web development

  • Frontend

    • Proficient in developing web applications using React.js, Next.js, TypeScript, and Tailwind CSS.

    • Experience with Next.js for server-side rendering and routing.

    • Strong understanding of HTML, CSS, and JavaScript.

    • Knowledge of state management libraries like Redux.

  • Backend

    • Experience with backend API system development & deployment on cloud (e.g. AWS).

  • Passion for application & platform systems involving ML models, data pipeline and applications.

Preferred

  • Work experience in fast-pace teams.

  • Experience in building ML applications or ML platforms.

  • Experience in projects involving LLMs.

Apply