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Javascript Developer Jobs in Illinois (NOW HIRING)

Ventures Unlimited Inc

UI Developer

Chicago, IL · On-site

$51.50 - $67/hr

HTML5, CSS3, JavaScript, Bootstrap Mandatory Technical Skills : Front End, Web Application Developer - building client-side browser html applications in JavaScript. STRONG IN UI OBJECT ORIENTED ...

Jobsbridge

Front End UI Developer

Chicago, IL

... and documented JavaScript, HTML and CSS Translate project design into code using Angular JS ... offshore developers to ensure timely & quality delivery REQUIRED QUALIFICATIONS 4+ years of ...

Two95 International Inc.

Salesforce Developer

Chicago, IL · On-site +1

$57.25 - $75.75/hr

Development experience using Apex, Visualforce, Lightning, JavaScript * Object-oriented programming and experience with HTML5, CSS, JavaScript * Knowledge of AWS is a plus * Life Sciences experience ...

Two95 International Inc.

Salesforce Developer

Chicago, IL · Remote

$57.25 - $75.75/hr

Development experience using Apex, Visualforce, Lightning, JavaScript * Object-oriented programming and experience with HTML5, CSS, JavaScript * Knowledge of AWS is a plus * Life Sciences experience ...

ULINE

Software Developer

Waukegan, IL · On-site

$112K/yr

Software Developer Job Duties: Uline, Inc. seeks a Software Developer in Waukegan, Illinois to ... Develop software using Angular, JavaScript, jQuery, and Java. Conduct caching and service discovery ...

ULINE

Software Developer

Waukegan, IL

$112K/yr

Software Developer Job Duties: Uline, Inc. seeks a Software Developer in Waukegan, Illinois to ... Develop software using Angular, JavaScript, jQuery, and Java. Conduct caching and service discovery ...

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All JobsJavascript Developer JobsJavascript Developer Jobs in Illinois

Javascript Developer information

See Illinois salary details

$28.6K

$103.3K

$163.8K

How much do javascript developer jobs pay per year?

As of Jul 8, 2026, the average yearly pay for javascript developer in Illinois is $103,282.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,000.00 and $124,000.00 per year, depending on experience, location, and employer.

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

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

What Does a JavaScript Developer Do?

As a JavaScript developer, your main responsibilities are to code functional web applications using the JavaScript (JS) programming language and to patch and update application code as needed to optimize functionality. You program front-end code for web applications, collaborate with back-end developers, and use tools like integrated development environments (IDEs), Git, and browser dev tools.

What is the difference between Javascript Developer vs Front-End Developer?

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.
More about Javascript Developer jobs
What are the most commonly searched types of Javascript Developer jobs in Illinois? The most popular types of Javascript Developer jobs in Illinois are:
What are popular job titles related to Javascript Developer jobs in Illinois? For Javascript Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Javascript Developer jobs in Illinois look for? The top searched job categories for Javascript Developer jobs in Illinois are:
What cities in Illinois are hiring for Javascript Developer jobs? Cities in Illinois with the most Javascript Developer job openings:
What are popular job titles related to Javascript Developer jobs in IL? For Javascript Developer jobs in IL, the most frequently searched job titles are:
Javascript Developer jobs near you
Infographic showing various Javascript Developer job openings in Illinois as of July 2026, with employment types broken down into 100% Full Time. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $103,282 per year, or $49.7 per hour.

Senior Software Engineer (JavaScript)

Quanta Search

Chicago, IL • On-site

$126K - $166K/yr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Our client is a trading firm with over 30 years of experience, using advanced technology and skilled people to work in markets around the world. They're based in Chicago, but have offices across the U.S., Canada, Europe, and Asia. They trade in various asset types, such as Fixed Income, Equities, ETFs, Commodities, and FX.

Your Skills:

  • Possesses a robust background in software engineering.
  • Knowledgeable in object-oriented design.
  • Exhibits strong experience or interest in JavaScript/TypeScript.
  • Experience or interest in fine-tuning data-intensive systems.
  • Ability to periodically visit Chicago office.

Advantageous Skills:

  • Experience with Docker.
  • Proven track record of writing integration tests.
  • Familiarity with optimizing distributed systems.
  • Contributions to open-source projects or side projects.
  • Experience or interest in the financial sector.
  • Familiarity with Node.js.
  • Experience or interest in WebAssembly.

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