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Senior Javascript Engineer Jobs in Deerfield, IL

Eliassen Group

Senior Software Engineer

Chicago, IL · On-site

$65 - $75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... Senior Software Engineer for the CDP team to drive design, delivery, technical strategy, and ... You will work across Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event ...

Eliassen Group

Senior Software Engineer

Chicago, IL · On-site

$65 - $75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... Senior Software Engineer for the CDP team to drive design, delivery, technical strategy, and ... You will work across Java, Python, Spark, TypeScript, JavaScript, Angular, AWS services, event ...

Infodyne Solutions

Sr. SDET & Lead SDET

Chicago, IL · On-site

We are seeking a Senior SDET (Software Development Engineer in Test) to extend and enhance our testing automation framework using Java/JavaScript. The role requires strong ownership of business ...

The AES Group

IT Software Engineer 4 (Senior SDET)

Chicago, IL · On-site

$113K - $147K/yr

Position Title: IT Software Engineer 4 (Senior SDET) Location: Hybrid - Chicago, IL (2 days per ... Develop and enhance automation frameworks using Java/JavaScript . * Create automation scripts using ...

PSRTEK

Senior Semantic Web Engineer (Hybrid)

Chicago, IL · On-site

$126K - $166K/yr

Position:- Senior Semantic Web Engineer Location:- Chicago, IL (Hybrid) Contract WHAT YOU'LL DO ... Strong proficiency in Python; familiarity with other languages (e.g., Java, C#, JavaScript, Clojure ...

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 ...

Husch Blackwell Llp

Senior Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

The Senior Software Engineer designs, builds, and maintains the technical systems and application ... Proficiency in one or more back-end languages (e.g., Python, Javascript, TypeScript) and ...

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All JobsJavascript Engineer JobsSenior Javascript Engineer JobsSenior Javascript Engineer Jobs in Deerfield, IL

Senior Javascript Engineer information

See Deerfield, IL salary details

$127.1K

$170.4K

$194.2K

How much do senior javascript engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for senior javascript engineer in Deerfield, IL is $170,418.00, according to ZipRecruiter salary data. Most workers in this role earn between $158,600.00 and $183,600.00 per year, depending on experience, location, and employer.

What does a senior JavaScript engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

What are the key skills and qualifications needed to thrive as a senior JavaScript engineer?

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.

What are some common challenges faced by senior JavaScript engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

What job categories do people searching Senior Javascript Engineer jobs in Deerfield, IL look for?

The top searched job categories for Senior Javascript Engineer jobs in Deerfield, IL are:

What cities near Deerfield, IL are hiring for Senior Javascript Engineer jobs?

Cities near Deerfield, IL with the most Senior Javascript Engineer job openings:

Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Deerfield, IL as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, 3% Contract, and 1% Nights. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $170,418 per year, or $81.9 per hour.

Senior Software Engineer (Platform & Internal Tools)

Zest Health

Chicago, IL

$126K - $166K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 26 days ago

Job description

Company Description

At Zest Health, we've built a platform, API, mobile apps and tools to redefine how consumers experience healthcare. Come join our team of technologists to help us grow and achieve our vision.

We're seeking an enthusiastic, experienced and driven individual to join our team to focus on backend web engineering, platform services, internal tools as well as stability, performance and security. The Senior Software Engineer will be expected to design and develop server-side solutions while working side-by-side with product, design and engineering team members.

As a cloud-hosted solution atop Microsoft Azure, we are built using .NET (C#), TeamCity, JavaScript, Objective-C, Swift, Java as well as supporting applications written in Python and Node.js. Our membership continues to grow rapidly, providing you with the opportunity to work on production-ready use cases and rapid deployment capability (CI/CD) that will quickly allow you to find your code in production and in use by our members, Smart Concierge teammates and customers.

Job Description

Zest expects all of our engineers to bring a desire to both offer and receive mentorship and an eagerness to share knowledge amongst each other and with the community. Additionally, team members are expected to attend and present at rotating tech talks as well as seek to strengthen their knowledge via attendance and participation in community and professional events.

Create and maintain web applications for internal, customer, and consumer use

Handle full development life cycle of web applications

Participate in daily stand-ups and provide continous feedback to the team

Provide support and mentorship to junior engineers

Work with Engineering Team Lead(s) to design and implement scalable, high-performance solutions

Work with mobile engineering team members for seamless integration with platform and API

Work closely with QA and automation team to support identification and resolution of issues

Monitor and troubleshoot SQL environments for performance issues

Knowledge of the Healthcare Industry and HIPAA compliance a plus

Qualifications

5 or more years in .NET web application development

3 or more years with MVC.NET web framework

Experience with SQL Server 2008 and newer

Experience with OO, N-Tier, and IOC architectures

Experience with MSTest and writing unit tests

Experience with HTML, JavaScript, CSS

Experience with Angular and/or Knockout a plus

Experience with or exposure to cloud host providers (preferably Microsoft Azure)

Knowledge of responsive frameworks

Web integration using SOAP, REST, JSON, XML, etc.

Excellent problem solving, analytical skills and technical troubleshooting skills

Excellent communication skills

Ability to work alone or as part of a team as needed

Ability to learn new skills quickly as needed

Additional Information
WHAT WE OFFER:
  • Medical, dental, & vision
  • Competitive salary
  • Engineering and product design influenced culture
  • Free in-building gym membership
  • Flexible in-office hours and generous vacation policy
  • Free snacks, coffee, and soda in our stocked kitchen
  • Company outings & happy hours
  • Michigan avenue office location
  • Engaging start-up atmosphere
  • 401k program
  • An opportunity to be one of the first 10 engineers

Apply