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Backend API Developer

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Date: Aug 7, 2022

Location: St. Louis, MO, US, 63101

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

Requisition #: 15925
Functional Area:  Software Development; Information Technology
Employment Type:  Full-Time
Work Options:  Remote / Work from Home in the US
Work Hours:  Standard business hours

About J. J. Keller and our Proprietary Technology


Join J. J. Keller's commercial web/mobile development team as we fulfill a mission to protect people and the businesses they run. The individual will work as part of an agile, distributed team to design and implement system features on web and mobile applications. This is an excellent opportunity to gain mobile development experience, while using your web development experience to build the line of J. J. Keller cloud-native applications.


This role can work remote from within the US. Our team has been remote several years, so we have the tools and culture to support remote work.

Job Responsibilities

  • Build native web applications in an agile environment.
  • Analyze user needs and impacts to determine technical requirements/risks. 
  • Promote strong quality practices and collaborate with dedicated product management, UI/UX and quality assurance teams. 
  • Research and experiment with new technology.



  • 3+ years software or web development experience including analysis, technical design, coding and testing, including experience with .NET, C# and SQL Server.
  • 2+ years working experience developing APIs.
  • Experience working with the following a plus: Angular, Xamarin or mobile development, Azure DevOps or AWS.
  • Working knowledge of the Software Development Life Cycle (SDLC).


  • Associate's degree in a Computer Science or Technology-related field. In lieu of degree, may consider 6+ years of related experience. 

Benefits and Perks

  • Medical / Dental / Vision Insurance
  • Annual Reviews, Merit Increases
  • Quarterly + Annual Bonus Program
  • 401(k) with Employer Match
  • Annual Profit Sharing
  • Paid Time Off (PTO) + 8 Paid Company Holidays + 1 Paid Floating Holiday
  • Computer Equipment Provided for Home Office

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 offsite offices, customer sites and/or industry and training events 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 in Colorado is $90,000.00 to $110,000.00. Compensation and benefits information for this position is being included in accordance with requirements of the Colorado Equal Pay for Equal Work Act. 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: St Louis

Job Segment: R&D, .NET, Cloud, Testing, Developer, Research, Technology