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Freelance Frontend Javascript Developer Jobs in Pennsylvania

Front End Developer

Philadelphia, PA · On-site

$104.90K - $122.10K/yr

We expect front-end developers to know: JavaScript TypeScript Angular HTML/CSS Cross Browser Support Responsive Web Development RESTful API's Security GIT Additional Information All your information ...

... programming and ability to handle complex architectural design Understand the pros and cons about ... with frontend javascript framework, AngularJs, ReactJs ect... AWS cloud infrastructure & best ...

$81.10K - $94.40K/yr

\n \n \n \n \n Our client is recruiting a Front End Developer ideally with previous contract ... Excellent programming skills in HTML, CSS, JavaScript \n * Experience and up\-to\-date knowledge of ...

Front End Developer

Cork, KY · On-site

$104.70K - $121.80K/yr

\n \n \n \n \n Our client is looking for a Front End Developer with Vue.js experience to join their ... JavaScript, HTML5 & CSS3 \n * 1\-2 years commercial Vue.js experience \n * Another JS framework is ...

Frontend Developer

Cork, KY

$104.70K - $121.80K/yr

\n \n \n \n \n Our client is are looking to hire a Frontend Developer to join their team in Cork. \n ... Significant experience coding in HTML, CSS and JavaScript? \n * Web\/UX\/UI design experience? \n

Oracle Developer with Javascript

Cork, KY

$56.75 - $70.75/hr

\n \n \n \n \n We have partnered with an excellent tech company based in Cork who are looking to hire an experienced database developer with solid JavaScript experience and good exposure to front end ...

$81.10K - $94.40K/yr

... Frontend Developer to join their team. \n \n \n \n \n \n They are looking for someone with ... JavaScript, TypeScript, HTML5, CSS3 and SCCS experience essential \n * Vue.js highly advantageous ...

Engineer

Pittsburgh, PA · On-site

$100K - $120K/yr

Frontend Technologies: Proficiency in modern frontend stacks (React, TypeScript, CSS3, JavaScript). * DevOps Tools: Experience with Docker, Kubernetes, Jenkins, or similar CI/CD tools. Roles ...

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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 Pennsylvania? The most popular types of Frontend Javascript Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Freelance Frontend Javascript Developer jobs? Cities in Pennsylvania with the most Freelance Frontend Javascript Developer job openings:
Artificial Intelligence(AI) Agent Developer

Artificial Intelligence(AI) Agent Developer

Visvero

Pittsburgh, PA • On-site

Full-time

Posted 20 days ago


Job description

Job Description
  • The goal is to enhance user engagement by providing personalized assistance, answering FAQs, and delivering tailored content
  • Design and implement an AI agent using platforms like OpenAI, LangChain, or similar
  • Integrate the AI agent seamlessly into our website front-end (JavaScript/HTML) and/or back-end
  • Customize the AI responses to align with our brand and user needs
  • Test, debug, and optimize the AI agent for smooth performance
  • Provide documentation and guidance for future maintenance
  • Deliverables include AI agent integration, testing, and documentation

Requirements
  • Experience integrating AI/chatbot agents into websites
  • Strong skills in JavaScript, Python, or relevant web technologies
  • Familiarity with AI APIs (OpenAI, Microsoft Graph, etc.)
  • Familiarity in Agentic.AI OR Crew.AI
  • Ability to customize AI models via prompt engineering or fine-tuning
  • Good communication and collaboration skills