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Senior Frontend Engineer

| Chicago

Senior Frontend Engineer

Location: Chicago, IL

What we are looking for:

We are seeking an intellectually curious and experienced frontend engineer to help us build the future of GovTech using the latest frontend stacks. Our main stack consists of ReactJs, Redux, and ES2015+ as well as functional JavaScript libraries such as RamdaJS and Sanctuary. We believe that functional programming improves developer experience and productivity, increases code testability, and reduces bugs.

Our frontend engineering team collaborates closely with designers and our product team to create user interfaces for both public-facing and internal web apps. Don’t have experience with functional programming in JavaScript? If you love to learn and want to improve your programming skill set, we’d still love to hear from you, so drop us a line!


  • Build a reliable and performant web platform
  • Contribute to the implementation of development best practices, including design and code reviews, unit tests and test automation
  • Aid in the development of a culture of outside-of-the-box thinking, exploration, innovation, and problem-solving within the team
  • Work closely and collaboratively with a small, multi-disciplined agile team
  • Development of architecture roadmap of CityBase's web platform
  • Help make CityBase an emerging leader in GovTech


  • Ample experience with the ReactJS and Redux ecosystem
  • Strong knowledge of HTML, JS, and CSS
  • Desire to make exceptional user experiences and very performant web apps
  • Awareness of browsers’ compatibility issues and performance implications
  • Demonstrated ability to lead feature development and mentor junior developers

Bonus Points for:

  • Experience with CSS-in-JS libraries, such as styled components
  • Previous work with GraphQL and REST APIs
  • Exposure to functional programming concepts
  • Familiarity with Elixir and Phoenix or Ruby on Rails


  • Ability to adjust schedule around core hours to accommodate a preference for earlier or later start and end times
  • Flexibility to work from home sometimes.
  • Comprehensive benefits package, including health, dental, vision, 401(k) (currently no match)
  • Flexible Spending Account, Dependent Flexible Spending Account, Pre-tax
  • Commuter Program, company-paid short-term and long-term disability and life insurance
  • Unlimited and encouraged PTO
  • Paid parental leave
  • A multitude of snacks and beverages

About CityBase:

CityBase is a government technology company that transforms the way cities connect and do business with constituents. CityBase works with local governments, agencies, and utilities to integrate payment functionality, business processes, and communications onto a central, cloud-based platform that consumers can access through the web, mobile, kiosk, or point-of-sale.

Interested in joining our team of 60-plus innovators at our Chicago headquarters? Check out our current job listings.

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Technology we use

  • Engineering
  • Product
    • JavaLanguages
    • JavascriptLanguages
    • RubyLanguages
    • ElixirLanguages
    • ElmLanguages
    • ReactLibraries
    • AsanaManagement
    • JIRAManagement
    • TrelloManagement


A central downtown Chicago Loop location close to all major CTA lines, in a high-rise office with spectacular views of the city and Lake Michigan.

An Insider's view of CityBase

How would you describe the company’s work-life balance?

We like to say we integrate the two! If you need to go to the doctor at 2pm, go. If you need to get home early for your children's soccer game, go! We know and trust that you will get your work done!


HR & Recruiting Manager

How has your career grown since starting at the company?

It’s been a great opportunity to grow my career within a growing company. I started at CityBase as a manager and am now a director. I’ve learned new skills on the job while collaborating with every team in the organization. Working in a lean and growing team means that every role in the organization can make valuable contributions to our future.


Director of Marketing

What are CityBase Perks + Benefits

Friends outside of work
Eat lunch together
Intracompany committees
We have a volunteer culture committee called Build the Base dedicated to planning events, parties and celebrations for CityBase.
Daily stand up
Open door policy
Group brainstorming sessions
Open office floor plan
Dedicated Diversity/Inclusion Staff
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Onsite Gym
Retirement & Stock Options Benefits
Child Care & Parental Leave Benefits
Generous Parental Leave
Vacation & Time Off Benefits
Unlimited Vacation Policy
Perks & Discounts
Casual Dress
Company Outings
Stocked Kitchen
Happy Hours
Happy hours are hosted On occasion .
Professional Development Benefits
Job Training & Conferences

Additional Perks + Benefits

Paid Parental Leave. Competitive Pay & Stock Options.

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