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Critical Mass

Associate Developer, Front End

Sorry, this job was removed at 08:18 p.m. (CST) on Tuesday, Jul 08, 2025
Easy Apply
In-Office
Chicago, IL
60K-60K Annually
Easy Apply
In-Office
Chicago, IL
60K-60K Annually

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As an Associate Developer, you’ve got demonstrated experience with HTML5, CSS3, and Vanilla JS, which means you’re good to go when it comes to developing innovative features for responsive websites. If you’re always looking to learn and grow in your role, then good news—you’ll get key mentorship from a Tech Lead and will gain experience working with departments like Creative and UX to create top-notch user experiences. You have a strong foundational knowledge of ES5 and ES6—but we’ll welcome any experience you have with JavaScript as well. Most importantly, you are driven to hone your craft through a passion for technology.   

Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

You Will: 

  • Rapidly prototype with code using modern front-end frameworks and digital pattern libraries.  
  • Deliver solutions balancing technical and business requirements.  
  • Understand business and user requirements. 
  • Maintain high coding standards and practices to exercise quality control on all aspects of web development. 
  • Problem-solve in all areas of web development.

You Have: 

  • 0-2 years demonstrated development experience with hand-coding advanced HTML, CSS, HTML5, CSS3, and JavaScript. 
  • Demonstrated understanding of Responsive Web Design principles. 
  • Proficiency with Semantic HTML Markup. 
  • Experience working with cross-functional and cross-office teams.  
  • Experience diagnosing and solving cross-browser and cross-platform issues.

You May Have:

  • Demonstrated development experience with React.  
  • Package manager and automation tool experience (npm, gulp, grunt).  

What We Offer:

  • Global maternity and parental leave 
  • Competitive benefits packages 
  • Vacation, compassionate leave, wellness days, and flex days 
  • Access to online services for families and new parents
  • Early Dismissal Friday’s (off at 3:00 PM local time every Friday) 
  • Diversity and Inclusion Board with 13 affinity groups 
  • Internal learning and development programs 
  • Enterprise-wide employee discounts

 


We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.
Salary Range
$60,000$60,000 USD

Critical Mass is an equal opportunity employer. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

Critical Mass Chicago, Illinois, USA Office

225 N. Michigan Avenue, Suite 2050, Chicago, IL, United States, 60601

What you need to know about the Chicago Tech Scene

With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.

Key Facts About Chicago Tech

  • Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
  • Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
  • Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
  • Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory

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