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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 ...

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Javascript Developer information

See Illinois salary details

$28.6K

$103.3K

$163.8K

How much do javascript developer jobs pay per year?

As of Sep 7, 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 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 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 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 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.

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.

Is JavaScript in high demand?

JavaScript is a highly in-demand skill for developers, especially those working on web development, front-end frameworks, and full-stack projects. Its widespread use in building interactive websites and applications ensures strong job opportunities for JavaScript developers across various industries.
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:

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For Javascript Developer jobs in Illinois, the most frequently searched job titles are:

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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:

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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 August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $103,282 per year, or $49.7 per hour.

Senior Python Full Stack Developer - JavaScript / TypeScript, AWS Cloud, & EKS

Worky

Illinois City, IL • On-site

$110 - $150/hr

Other

Posted 22 days ago

Job description

Company Description

Derex Technologies Inc specializes in providing IT consulting, staffing solutions and software services. Globally headquartered in Harrison New Jersey since 1996 Derex delivers the highest quality technology professionals and an array of customized IT talent solutions designed to improve productivity and drive results to global clients throughout North America.

With over two decades of unparalleled experience, Derex provides supports to its clientele, across such industries as Systems Integration, Banking and Finance, Telecommunications, Pharmaceutical and Life Sciences, Energy, Healthcare, Technology, Transportation, and local and federal Government agencies.

Job Description

Job Title: Senior Python Full Stack Developer – JavaScript / TypeScript, AWS Cloud, & EKS

Location: Illinois– Hybrid – Mondays and Tuesdays are remote, rest of the days in office
Long Term Contract Role

Position Overview

  • We are seeking an experienced Senior Software Engineer with strong application development expertise in Python and/or modern web technologies.
  • The ideal candidate will have hands-on experience designing, developing, deploying, and supporting cloud-native applications in AWS, with applications hosted and managed on Amazon Elastic Kubernetes Service (EKS).
  • The candidate should possess a strong software engineering mindset, be comfortable working across application and cloud infrastructure layers, and have experience delivering secure, scalable, and highly available solutions in an enterprise environment.

Technical Skills

  • Programming: Python, JavaScript, and/or TypeScript
  • Web Frameworks: Django, Flask, Fast API, React, Angular, or Vue.js
  • Cloud Platform: AWS
  • Container Platform: Docker, Kubernetes, Amazon EKS
  • CI/CD: Jenkins, GitHub Actions, GitLab CI/CD, AWS CodePipeline, or Azure DevOps
  • Infrastructure as Code: Terraform, CloudFormation, or AWS CDK
  • Databases: PostgreSQL, MySQL, SQL Server, DynamoDB, or MongoDB
  • Monitoring: CloudWatch, Datadog, Dynatrace, Prometheus, Grafana, Splunk, or ELK
  • Source Control: Git, GitHub, GitLab, or Bitbucket

Soft Skills

  • Strong ownership and accountability.
  • Ability to work independently and drive technical tasks through completion.
  • Strong collaboration and stakeholder-management skills.
  • Ability to communicate technical concepts clearly to both technical and non-technical audiences.
  • Adaptability and willingness to learn new technologies.
  • Strong focus on application quality, reliability, security, and maintainability.

Regards,

Manoj Goud

Derex Technologies INC

Contact : 973-834-5005 Ext 206

Additional Information

All your information will be kept confidential according to EEO guidelines.

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