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Sr. UI Developer

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Date: Sep 23, 2022

Location: Milwaukee, WI, US, 53210

Company: J. J. Keller & Associates, Inc.

Requisition #: 17220
Functional Area:  Software Development; Information Technology
Employment Type:  Full-Time
Work Options:  Remote / Work from Home in the US
Work Hours:  Standard Work Hours

About J. J. Keller and our Proprietary Technology

Join our software development team to work with a large, agile team and continually advance your tech skill set with emerging technologies. Here at J. J. Keller, we build technology that helps employers protect people and the businesses they run. With more than 7 million employers in this country, the need for our safety and compliance solutions is always growing.


At J. J. Keller, we’re building native cloud robust solutions (web/mobile/IoT) from the ground up and providing technology-enabled outsourcing services to help our customers follow complex regulations. Our projects use the latest Microsoft tech stack, Microservices, CI/CD, Automated Testing, Cloud Architecture and Predictive Analytics/AI/ML.


The 200+ developers on our team are here because they are passionate about technology, growing their skills and doing meaningful work. We strive to keep current with emerging technologies and to prevent our existing platforms from slipping into the dreaded “legacy applications” category. This means we’re continually evolving our technology footprint to provide a better, more intuitive user experience for our customers.

Position Summary

The purpose of this position is to create technical architecture and development solutions for large, complex projects for assigned products or services.

Job Responsibilities

  • Acts as architect on new UI development projects, including those crossing across several product lines. 
  • Identifies the right set of UI frameworks, UI libraries, layout, and API interfaces.
  • Creates the technical architecture of UI framework. 
  • Analyzes functional and business requirements and determines technical solutions. 
  • Produces technical design documentation and development plans and provides accurate estimates based on business needs. 
  • Makes recommendations regarding site architecture and development techniques/standards and leads implementation of both. 
  • Provides technical leadership, mentorship, and training to other developers on projects. 
  • Provides consultation to Product Managers and design resources in determining technical solutions and/or direction during the design phase of projects. 
  • Works closely with product managers, graphic designers, and usability experts to present a compelling user experience.
  • Communicates with third party vendors, end users, customers and internal product stakeholders on systems requirements, enhancements and recommendations to support business direction. 
  • Develops and maintains a solid understanding of the technology tools and trends and remains current in new technology developments and their potential impact on the department. 




  • 8+ years’ experience in the design, development, and use of component-based UI architectures.
  • Experience delivering large programs in a complete agile model.
  • Strong object-oriented programming experience utilizing Microsoft development tools; C#, .Net Framework or .Net Core, SQL.
  • Previous experience training and mentoring technical resources.


  • Bachelor's Degree in Computer Science or technology-related field strongly preferred.
  • Associate's Degree in a Computer Science or technology-related field required. 

Computer Skills:

  • Expert-level understanding of the HTML DOM and underlying event model.
  • Strong knowledge in React, JavaScript HTML5, CSS3, Bootstrap OR foundation UI, and REST.

Other Skills/Qualifications:

  • Demonstrated ability to architect complex systems utilizing new or existing methodologies to ensure productivity and success.
  • Demonstrated ability to analyze and assess technology tools to provide recommendations for supporting business direction.
  • Strong communication skills with the ability to communicate technical and non-technical issues with customers, vendors and product stakeholders at various levels. 
  • Advanced knowledge of unit testing frameworks and Continuous Integration processes (CI/CD).


Physical Requirements

Work is performed primarily in a standard office environment. Work involves operation of personal computer equipment for extended periods of time. Occasional travel to customer sites may also be required, depending on assignment. 

Other Information

At J. J. Keller, we are Difference Makers because the work we do truly matters. We protect people’s lives every day. In fact, more than 90% of Fortune® 1000 companies rely on J. J. Keller to help create safe work environments. View our CAREERS video to learn more about being a Difference Maker at J. J. Keller and click here to learn what our associates have to say about life as an associate at J.J. Keller. 

Thank you for your interest in career opportunities with J. J. Keller & Associates, Inc.!  If you experience system-related issues or need assistance with the online application, please call (920) 720-7700.

Not the right role for you, but know someone who could be a great fit? Refer them to us through our Professional Referral Program and you will earn a cash payment if your referral is hired. Learn more here.

J. J. Keller provides a competitive benefit package which includes the following (eligibility requirements apply):  Medical, Dental, and Vision Insurance, 401(k) and Profit Sharing Plan, etc. The compensation range for this role is $105,000.00 to $130,000.00 which varies depending on factors including, but not limited to, a candidate’s overall experience and geographic location. Note that J. J. Keller is not currently recruiting employees to work in California. J. J. Keller & Associates, Inc. is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.

Nearest Major Market: Milwaukee

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