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Freelance Frontend Javascript Developer Jobs in Port Chester, NY

JavaScript/Web UI Developer, Lab49, New YorkOur business strategy, design and technology ... You will focus on the front-end side of the business. Consider the sheer speed and volume of data ...

JavaScript/Web UI Developer, Lab49, New YorkOur business strategy, design and technology ... You will focus on the front-end side of the business. Consider the sheer speed and volume of data ...

Front End developer - Fulltime

New York, NY · On-site

$113K - $132K/yr

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus ... Requirements for the role: 1) Building reusable components and front-end libraries for future use ...

Justworks is seeking a front-end engineer to join our team. As a successful candidate you have ... You are comfortable with both "vanilla" Javascript and libraries like React, Angular, or Backbone.

Justworks is seeking a front-end engineer to join our team. As a successful candidate you have ... You are comfortable with both "vanilla" Javascript and libraries like React, Angular, or Backbone.

Frontend Developer

Manhattan, NY · On-site

$114K - $133K/yr

JavaScript (Frontend) Must have Skills: APIs and Integration, JavaScript, OAuth2, REST, ReactJS, SQL Nice to have Skills: AdTech Frontend Engineer (React + JavaScript) We are looking for experienced ...

Modern front-end JavaScript frameworks & libraries (React, Angular, jQuery) * Modern .NET libraries ... system developers. * Ability to interact with customers to understand technical requirements.

Front End Developer

New York, NY · On-site

$113K - $132K/yr

Mobile is NOT required, just a plus Heavy JavaScript - Front End Dev. Longer stints at positions ... Developer to join their team in a contract to hire capacity. share ideas, passion, fast paced ...

Front End Developer

New York, NY · On-site

$113K - $132K/yr

Mobile is NOT required, just a plus Heavy JavaScript - Front End Dev. Longer stints at positions ... Developer to join their team in a contract to hire capacity. share ideas, passion, fast paced ...

Sr. Frontend Developer

New York, NY

$113K - $132K/yr

Position: Sr. Frontend Developer Location: NYC, NY Duration: 6+ months SKILLS & EXPERIENCE: * Have ... JQuery & JavaScript * HTML & CSS development (HTML5 and CSS3 preferred) * SASS experience * CSS ...

Sr. Frontend Developer

New York, NY

$113K - $132K/yr

Company Description Position: Sr. Frontend Developer Location: NYC, NY Duration: 6+ months SKILLS ... JQuery & JavaScript * HTML & CSS development (HTML5 and CSS3 preferred) * SASS experience * CSS ...

Frontend Developer

Manhattan, NY · On-site +1

$114K - $133K/yr

Frontend Developer Location: Remote Duration: Contract Role Overview The Mid-Level Frontend ... Solid foundation in JavaScript and modern frontend development practices * Experience with a modern ...

Frontend Developer

Manhattan, NY · On-site +1

$114K - $133K/yr

Frontend Developer Location: Remote Duration: Contract Role Overview The Mid-Level Frontend ... Solid foundation in JavaScript and modern frontend development practices * Experience with a modern ...

Front end developer

Paterson, NJ · On-site

$105K - $123K/yr

I have an urgent need for a Front End Developer on W2 in Pennington NJ. Can use non locals, phone ... HTML CSS JavaScript Responsive Web Design Angular 1.x .NET ADA / web accessibility The person doesn ...

Front End Developer

New York, NY

$113K - $132K/yr

... Front End Developer (PHP + Backbone.js): Strong knowledge of data structures and algorithms ... Unit testing frameworks such as Mocha or Jasmine for JavaScript Familiar with Apache, nginx servers ...

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Freelance Frontend Javascript Developer information

See Port Chester, NY salary details

$47.1K

$122.3K

$172.3K

How much do freelance frontend javascript developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for freelance frontend javascript developer in Port Chester, NY is $122,325.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,200.00 and $134,100.00 per year, depending on experience, location, and employer.

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 are the key skills and qualifications needed to thrive as a freelance frontend JavaScript developer?

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 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 cities near Port Chester, NY are hiring for Freelance Frontend Javascript Developer jobs?

Cities near Port Chester, NY with the most Freelance Frontend Javascript Developer job openings:

Javascript Developer

1872 Consulting

Manhattan, NY • On-site

Full-time

This job post has expired 2 days ago. Applications are no longer accepted.


Job description

JavaScript/Web UI Developer, Lab49, New YorkOur business strategy, design and technology consultancy (Lab49) founded in 2002 has a deep pool of business and technology talent. We specialize in helping clients realize rapid transformational change at an industrial scale and operate historically towards the upper tiers of banking and capital markets, to include banks, hedge funds and exchanges; assisting those companies with their most key strategic business programs and technology investments. We build applications. Fast applications.

We engineer the most forward-thinking financial systems in the industry. Think advanced visualizations, think complex systems integration, think massive data flows for all kinds of financial services players, from small start-ups to large banks, from hedge funds to asset managers. We partner with our clients and leverage the myriad of platforms available to design and build the most effective solutions.

With experts and community leaders in our various practices we work with a host of technologies: Node.js, React, Angular, AngularJS, Java 8, Scala, Functional programming, Python, Cloud Computing (e.g. AWS), Containerization (e.g. Docker), Microservices, DevOps, CI/CD.We are looking for strong JavaScript/Web UI developers to work on next generation financial systems. You will focus on the front-end side of the business. Consider the sheer speed and volume of data across a plethora of financial instruments.

Combine with continually evolving data presentation and manipulation needs of our customers. All the while, striving to squeeze every last drop of performance out of modern browsers. It's what makes your job one of the best and most challenging out there.

Required capabilities: 5+ years of commercial-grade web/front-end development experience. Strong experience in JavaScript, ideally ES6 or ES7, building Single Page Web Applications with modern frameworks (Angular or AngularJS, React, Node.js, Vue). Solid skills in HTML5 and CSS3 Knowledge of the Agile Development Methodology Strong interpersonal and organizational skillsPreferred capabilities: Knowledge of, and strong demonstrated interest in, global financial markets and financial products.

You have an engineering mindset—we are not hacking things together or building algorithms in isolation—we build real systems, and we treat software as a craft that we approach with an engineer's discipline.

You challenge the status quo and are someone we can learn from. Historically, we have been great at hiring such people, and now they are the cornerstones of Lab49. You will be responsible for building and nurturing this community.

You are someone that is passionate about technology—you follow the industry, you build things on your own, you tinker and hack, you read aplenty and attend meet-ups. You know that the technology landscape changes every few years and you retool continuously.

You've seen the whole project lifecycle, you have delivered; you've seen failure and you've learned from it. You have developed the insight that will enable you to lead your team to deliver on time and within budget.

You appreciate the full technology stack; you know its problems; you know where it shines. Your knowledge of computer science fundamentals prevents you from reinventing the wheel.

You understand the value of testing, quality, continuous integration, source control, and code reviews.

You get things done, you can find a creative compromise between an ideal technical solution and actual client needsIt is a challenge—your peers will push you, and you will grow in leaps and bounds that is impossible in traditional organizations. As a consultant, you will see a multitude of technologies, organizations, and projects—you will learn a lot in a very short period of time. We are a flat meritocracy with an engineering mindset—what matters is how good you are and how well you and your team deliver.

We are focused on the finance domain—there are plenty of areas where technology is a competitive advantage, and our clients turn to us when they need more innovative solutions. If you ask our engineers, they will probably tell you that their extraordinary peer group is the primary reason that they work for us. We are entrepreneurial and agile—there is a lot of opportunity to take accountability and grow quickly.


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About 1872 Consulting

Sourced by ZipRecruiter

1872 Consulting, based in Chicago, IL, USA, operates within the IT consulting industry. Armed with a diverse team of experts, the company offers specialized IT consulting services, focusing on modernizing business technologies and driving innovative business strategies. Established in 1872, the company has a rich history marked by its commitment to bridging the gap between businesses and technology. Its mission is to empower organizations to surpass their business goals by providing state-of-the-art IT solutions and service. The company prides itself on its core values of integrity, excellence, and innovation, instilling these principles in every project they undertake.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Chicago, IL, US

Year founded

2014