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Senior Javascript Developer Jobs in Mount Prospect, IL

galaxyitechnologies

Javascript Developer

Chicago, IL

Javascript Developer CHICAGO IL 24-MONTHS+, OR CTH The position is to maintain and enhance a NodeJS ... Someone with Splunk experience would catch his eye The Senior Software Developer's role is to ...

galaxyitechnologies

Javascript Developer

Chicago, IL · On-site

Javascript Developer CHICAGO IL 24-MONTHS+, OR CTH The position is to maintain and enhance a NodeJS ... Someone with Splunk experience would catch his eye The Senior Software Developer's role is to ...

Morningstar, Inc.

Senior Software Engineer

Chicago, IL · On-site

$114K - $167K/yr

We are seeking a Senior JavaScript Software Engineer with full-stack experience. * The position includes the development of new systems and maintenance and improvement of existing applications.

Metabyte Inc

Full Stack Java Lead and Developers

Chicago, IL · On-site

$54 - $69.75/hr

... Stack Senior Developers immediately to be based out of Indianapolis, IN / Chicago, IL/ Hudson, OH. 9- 12 year's software development background in Java and JavaScript technologies * Experience ...

Metabyte Inc

Full Stack Java Lead and Developers

Chicago, IL · On-site

$54 - $69.75/hr

... Stack Senior Developers immediately to be based out of Indianapolis, IN / Chicago, IL/ Hudson, OH. 9- 12 year's software development background in Java and JavaScript technologies * Experience ...

ULINE

Sr. Software Developer

Waukegan, IL

$123K - $131K/yr

Uline, Inc. seeks a Sr. Software Developer in Waukegan, IL to design, develop, test, deploy ... NET MVC, C#, JavaScript, jQuery, and Typescript. Code versioning and CI/CD tools. Create software ...

ULINE

Sr. Software Developer

Waukegan, IL · On-site

$123K - $131K/yr

Uline, Inc. seeks a Sr. Software Developer in Waukegan, IL to design, develop, test, deploy ... NET MVC, C#, JavaScript, jQuery, and Typescript. Code versioning and CI/CD tools. Create software ...

Halo Group

Sr. Net Developer

Westchester, IL

$54.50 - $69.50/hr

... JavaScript, jQuery, JSON, HMLT5, knockout JS. 7 Years of application development experience using C#, ASP.NET, MVC, Web API, SQL Server Experience in Parallel Task & Multi-threaded programming ...

Mindlance

Senior Web Developer

Chicago, IL · On-site

They are seeking a Senior Web Developer to develop websites and Internet applications, utilizing ... JavaScript, and CSS. • Perform various coding and programming tasks, such as design or ...

Halo Group

Senior C# .NET Developer

Westchester, IL · On-site

$54 - $71.50/hr

... Finalist This role is a Senior C# developer who stays current on modern technologies and ... Experience in front end technologies such as JavaScript, jQuery, JSON, HTML5 * Solid understanding ...

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Senior Javascript Developer information

See Mount Prospect, IL salary details

$30

$60

$79

How much do senior javascript developer jobs pay per hour?

As of Jul 22, 2026, the average hourly pay for senior javascript developer in Mount Prospect, IL is $60.01, according to ZipRecruiter salary data. Most workers in this role earn between $53.75 and $68.32 per hour, depending on experience, location, and employer.

What is a Senior Javascript Developer job?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are typical challenges faced by Senior Javascript Developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the key skills and qualifications needed to thrive in the Senior Javascript Developer position, and why are they important?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are popular job titles related to Senior Javascript Developer jobs in Mount Prospect, IL? For Senior Javascript Developer jobs in Mount Prospect, IL, the most frequently searched job titles are:
What cities near Mount Prospect, IL are hiring for Senior Javascript Developer jobs? Cities near Mount Prospect, IL with the most Senior Javascript Developer job openings:
Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Mount Prospect, IL as of July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $124,824 per year, or $60 per hour.

Javascript Developer

galaxyitechnologies

Chicago, IL

Contractor

Posted 19 days ago

Job description

Company Description


Galaxy i Technologies, Inc is a global consulting and IT services company that is known for its commitment to client satisfaction. Galaxy i Technologies is an information technology firm offering IT Consulting, Staff Augmentation, Software Development & Training and E-commerce Development. We help our Clients to implement these solutions through a variety of skilled consulting services like Application management, Implementation and Infrastructure management.
Galaxy i Technologies has a pool of highly skilled professionals who work through the life cycle of challenging and exciting projects, including System Analysis, Designing, Development, Implementation, Maintenance, Enhancements and Test Support to our Fortune 500 Corporations.

Job Description



Job Description :

  •  We need passport number,visa and DL for submission
  • USC,GC,H1B,H1B Transfers accepted.
  • 8+years.

Javascript Developer

CHICAGO IL

24-MONTHS+, OR CTH

The position is to maintain and enhance a NodeJS application. The applications has a web frontend and a Web API. The candidate must have at least 4 years experience working with NodeJS. Previous experience with Express, HTM5, and CSS is required. Previous experience with Docker and Git are considered a plus

Team is 4 people - PM, lead developer, junior developer

  • This role will involve mentoring a jr developer
  • App gives Hyatt Guests the ability to register with this app when booking a hotel through hyatt.com, use app to register and will get free wifi at this hotel and other hotels that use this system
  • this year starting international deployment - if anyone has experience with internationalization of applications that would be helpful
  • person will be working with offshore team - person will connect with wifi vendors, they will configure their systems to use our app
  • Maintain an existing node.js app
  • Needs to have at least 4 years' experience with node
  • Use node.js and express
  • Maintain website and web apis
  • Looking for knowledge of git
  • Top skills: node. Express, git, splunk
  • Someone with Splunk experience would catch his eye

The Senior Software Developer's role is to design, code, test, and analyze software programs and applications. This includes researching, designing, documenting, and modifying software specifications throughout the production lifecycle. The software developer will also analyze and amend software errors in a timely and accurate fashion and provide status reports where required. Responsibilities: Work with business end users to determine requirements and propose approaches to address users' needs. Analyze requirements to determine approach/proposed solution. Design and Build Solutions using relevant programming languages. Thoroughly test solutions using relevant approaches and tools. Work in team environment to deliver business solutions. Problem solving skills to address development and production issues. Demonstrate a commitment to Hyatt core values. The position responsibilities outlined above are in no way to be construed as all encompassing. Other duties, responsibilities, and qualifications may be required and/or assigned as necessary.

Position Responsibilities 

The position is to maintain and enhance a NodeJS application. The applications has a web frontend and a Web API. The candidate must have at least 4 years experience working with NodeJS. Previous experience with Express, HTM5, and CSS is required. Previous experience with Docker and Git are considered a plus.



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