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Senior Javascript Developer Jobs in Mount Prospect, IL

Halo Group

Sr. Net Developer

Westchester, IL · On-site

$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 ...

360 -Tsg

Senior Front End Developer

Evanston, IL

$110K - $144K/yr

The ideal candidate will be a Seasoned Senior Front End (React) Developer for a 6 month contractor ... Strong expertise with CSS, HTML, JavaScript, Bootstrap * Experience building applications using ASP.

PopCandi

Sr. Software Developer

Skokie, IL · On-site

$52 - $68.75/hr

About the Sr. Software Developer Our client is an innovative SaaS and services company, providing ... NET (6.0 - 8.0), T-SQL, and JavaScript frameworks like Angular 15+ * Collaborate with the Tech/Team ...

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 ...

Huntington

Senior Developer

Chicago, IL · On-site +1

$57K - $113K/yr

Senior Developer - In this senior role, the successful candidate will design, develop, integrate ... Develop and support UI components and clientside functionality using JavaScript and Dojo. * Write ...

Huntington

Senior Developer

Austin, TX · On-site +1

$57K - $113K/yr

Proficiency in JavaScript * Experience with Dojo framework * Hands‑on experience with SQL and database query development. * Strong understanding of object‑oriented programming and design ...

Syntricate Technologies

Sr Android Developer

Chicago, IL · On-site

$59.75 - $75.75/hr

Syntricate Technologies is seeking a Sr Android Developer based in Chicago, IL. The role involves ... JavaScript and React Native framework. • Experience with third-party libraries and APIs. • ...

R2 Technologies Corporation

Senior React Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Senior React Developer Location : Chicago, Il remote Long-Term Description: PURPOSE: The React.js ... JavaScript (ES6 +). • Experience with CSS pre-processors (Sass, LESS), CSS modules and CSS in JS ...

NextRow Digital

Sr AEM Developer

Schaumburg, IL · On-site

$53.50 - $70.75/hr

... with JavaScript Extensive work experience with Mongo & Java Content Repository (JCR) Knowledge of Object Oriented Programming, Model View Controller paradigm Excellent communication skills, both ...

Barrow Wise Consulting

Senior .Net Developer

Chicago, IL · On-site

$56.75 - $72.25/hr

The Senior .NET Full Stack Developer will support Barrow Wise's Chicago Public Schools (CPS ... NET, ASP.Net 4.5, MVC 4, Web Forms, C#, Angular, JavaScript, jQuery, Twitter Bootstrap, JSON ...

Barrow Wise Consulting

Senior .Net Developer

Chicago, IL · On-site

$80K - $140K/yr

The Senior .NET Full Stack Developer will support Barrow Wise's Chicago Public Schools (CPS ... NET, ASP.Net 4.5, MVC 4, Web Forms, C#, Angular, JavaScript, jQuery, Twitter Bootstrap, JSON ...

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How much do senior javascript developer jobs pay per hour?

As of Sep 10, 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?

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 the key skills and qualifications needed to thrive as a senior JavaScript developer?

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 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.

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Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Mount Prospect, IL as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $124,824 per year, or $60 per hour.

Sr. Net Developer

Westchester, IL • On-site

Halo Group
See more jobs at Halo Groupexternal

$54.50 - $69.50/hr

Full-time

Re-posted 28 days ago

Job description

Job Description

This role is a Senior C# developer who stays current on modern technologies and innovations, and willing to work with a team of developers, product architects in developing best performing and highly scalable solution. Individual must have at least 7 years of experience designing, developing, implementing and maintaining solutions using Microsoft technology stack, including C#, ASP.NET, MVC, Web API, WCF, RESTful and front end technologies such as JavaScript, jQuery, JSON, HMLT5, knockout JS.
Job Description:
7 Years of application development experience using C#, ASP.NET, MVC, Web API, SQL Server
Experience in Parallel Task & Multi-threaded programming, Asynchronous Methods, Delegates
Experience in front end technologies such as JavaScript, jQuery, JSON, HTML5
Solid understanding of Object Oriented Programming, Interfaces
Solid understanding of Design Patterns Dependency Injection, Domain Driven Design
Solid understanding of MVVM, Knockout JS mandatory
Knowledge of real-time communication using SignalR & Websocket a plus
Experience working in Agile Development Methodologies
Timely Support of Production Systems
Qualifications:
Candidate must have a Bachelor degree with 7 years of application development experience.
Excellent oral and written communications skills, including the ability to communicate effectively within the project team and other application teams are required.
Organization, time management skills and attention to detail are critical. Must continue to enhance technical knowledge and skills through research and experimentation, in-house and external classes.
Must have at-least 4 years of experience designing, developing and maintaining solutions using Biztalk.

Additional Information

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