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Freelance Frontend Javascript Developer Jobs in California

Prosum

JavaScript Developer x2

Culver City, CA

Architect efficient and reusable front-end systems that drive complex web applications. * Identify ... Strong JavaScript programming skills. * Significant knowledge and experience with JavaScript ...

Axius Inc

Sr Javascript Developer (Angular.js)

San Ramon, CA · On-site

$61.25 - $74.75/hr

We are looking for a strong Javascript developer to work on the design and development of ... Qualifications • Expert with frontend JavaScript frameworks, specifically Angular.JS. • Hands ...

Mavrx

$119.80K - $157.40K/yr

Identify and communicate best practices for front-end engineering Qualifications Requirements ... Expert knowledge of JavaScript * Expert knowledge of web technologies (HTML5/CSS3) * Ability to ...

Mavrx

$119.80K - $157.40K/yr

Identify and communicate best practices for front-end engineering Qualifications Requirements ... Expert knowledge of JavaScript * Expert knowledge of web technologies (HTML5/CSS3) * Ability to ...

Ursus, Inc.

Angular Developer

Fremont, CA · On-site

$60 - $73.50/hr

The role involves engineering frontend JavaScript platforms and building scalable, performant features for core operations, contributing to impactful initiatives in the clean energy sector.

New

Anagh Technologies, Inc.

React Developer

Sunnyvale, CA · On-site

$124K - $144.20K/yr

Write modern front-end JavaScript using frameworks and libraries such as React, Redux, and ... Web or UI programming with an emphasis on user experience * Current JavaScript frameworks, tools ...

Jobsbridge

JavaScript Engineer

San Jose, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Solid knowledge of common web frontend technologies (HTML, CSS, JavaScript, Ajax, and jQuery/Dojo ...

Integrated Resources INC

Java Developer

Walnut Creek, CA

$56.50 - $73/hr

Java Developer Duration : 12+ Months Location : Walnut Creek, CA Visa Status : USC/GC/EAD The Sr. ... Unit Testing front end - Javascript, AngularJS Unit Testing back end - Javascript, Mocha, Chai ...

Jobsbridge

JavaScript Engineer

San Jose, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Solid knowledge of common web frontend technologies (HTML, CSS, JavaScript, Ajax, and jQuery/Dojo ...

Jobsbridge

Jr.JavaScript Engineer

Los Angeles, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Solid knowledge of common web frontend technologies (HTML, CSS, JavaScript, Ajax, and jQuery/Dojo ...

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Freelance Frontend Javascript Developer information

What are the key skills and qualifications needed to thrive as a Freelance Frontend Javascript Developer, and why are they important?

To thrive as a Freelance Frontend Javascript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of popular frameworks like React or Vue, typically demonstrated through a robust portfolio. Familiarity with version control systems like Git, responsive design principles, and task runners or bundlers such as Webpack is highly valuable. Excellent communication, time management, and problem-solving skills help freelancers effectively coordinate with clients and deliver projects independently. These skills and qualities are crucial for producing high-quality, maintainable code while meeting client expectations and deadlines in a competitive freelance market.

How do Freelance Frontend Javascript Developers typically manage client expectations and project timelines?

Freelance Frontend Javascript Developers often work with multiple clients, which requires clear communication to set realistic expectations and deadlines. They usually break projects into milestones, provide regular progress updates, and use project management tools to track deliverables. Managing client expectations involves being upfront about technical limitations, estimated completion times, and potential challenges. Strong organizational skills and proactive communication are essential for building trust and ensuring successful project delivery.

What does a Freelance Frontend JavaScript Developer do?

A Freelance Frontend JavaScript Developer creates and maintains the parts of websites and web applications that users interact with, using JavaScript along with HTML and CSS. They typically work independently, taking on projects for various clients rather than being employed by a single company. Their responsibilities include building responsive user interfaces, optimizing website performance, and ensuring cross-browser compatibility. Freelancers also communicate directly with clients to meet specific project requirements and deadlines.

What is the difference between Freelance Frontend Javascript Developer vs Web Designer?

AspectFreelance Frontend Javascript DeveloperWeb Designer
SkillsProficient in JavaScript, HTML, CSS, frameworks like React or AngularDesign principles, UI/UX, graphic tools like Adobe Photoshop or Sketch
Work EnvironmentCode-focused, technical tasks, often collaborating with developers and clientsCreative, visual design, client presentations, branding
Common UsageBuilding interactive websites and web applicationsCreating website layouts, visual elements, and user interfaces

While both roles work on websites, Freelance Frontend Javascript Developers focus on coding and functionality, whereas Web Designers concentrate on visual design and user experience. Understanding these differences helps clients find the right expertise for their projects.

What are the most commonly searched types of Frontend Javascript Developer jobs in California? The most popular types of Frontend Javascript Developer jobs in California are:
What cities in California are hiring for Freelance Frontend Javascript Developer jobs? Cities in California with the most Freelance Frontend Javascript Developer job openings:
Freelance Frontend Javascript Developer jobs near you

Front End JavaScript

Purple Drive Technologies

Sunnyvale, CA • On-site

Full-time

Posted 2 days ago

Job description

Overview:
Role: Front End JavaScript
Location: Sunnyvale, CA
Exp: 10 & Above
Responsibilities
  • Build scalable front-end applications using ReactJS and Redux.
  • Develop and maintain server-side APIs/services with Node.js.
  • Write clean, testable, and maintainable code.
  • Collaborate with cross-functional teams to deliver high-quality features.

Required Skills
  • Strong in JavaScript (ES6+) / TypeScript.
  • Hands-on experience with ReactJS, Redux.
  • Proficiency in Node.js (Express/NestJS).
  • Knowledge of REST/GraphQL APIs.
  • Familiarity with Git, Agile/Scrum, and CI/CD practices.

Good to Have
  • Next.js, Docker/Kubernetes, Cloud (AWS/GCP/Azure).
  • Testing frameworks (Jest/Cypress).
  • SQL/NoSQL databases.

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