Senior Developer

Development · Chesterfield, Missouri
Department Development
Employment Type Full-Time
Minimum Experience Experienced
Compensation DOQ + Excellent Benefits

This position will initially work remote, candidates must be located within the St Louis area.

About Us

Cat5 Commerce is an online retail company based in Chesterfield, Missouri. We operate a handful of niche ecommerce destinations serving the tactical, outdoor and workwear markets including and

We have enjoyed consistent growth with each passing year, and strive to actively recruit and retain the best and brightest talent. Recognized as a Top Workplace by the St. Louis Post-Dispatch, our culture provides a healthy, challenging and people-focused atmosphere. We offer a top-tier benefits package and collaborative workspace for those who thrive in a casual yet fast paced environment.

At a Glance

  • Senior Developer opportunity within a fast growing tech/ecommerce business
  • In addition to the skills listed within the third bullet point list below; the ideal candidate also possesses the traits listed herein the current bullet point list.
  • Likes bullet point lists
  • Minimum of seven years relevant, progressive work experience
  • Smart, innovative and resourceful
  • Able to dig into a problem and solve it, even if it is something that you are not familiar with
  • Enjoys working as a member of a team, not as a lone gunman
  • Exceptional attention to detail and organizational skills - where others see chaos, you can create clarity and consistency
  • Dedicated - to the team, to the company mission and success as a whole, to excellence in your work, and professional and personal development.


Our team is passionate about what we do, and we are looking for that same trait in all of our new hires. We want someone who is the perfect fit who can get excited about what we are doing, not just a developer to fill a chair. In return, you get to work in a relaxed environment with some pretty fun and talented people on serious and exciting projects. You’ll see the real time results of your work and the direct impact it has upon our customer experience.  

Our Project…

  • Is deeply rooted in strong marketing and SEO principles
  • Uses the Agile and Feature-Driven methodologies
  • Uses the latest technologies and platforms
  • Has new exciting features being developed all the time
  • Is used by hundreds of thousands of people


  • C#, ASP.NET, MVC, Web Services
  • Javascript (jQuery, knockout, foundation, etc)
  • Visual Studio
  • SQL Server / Relational Databases
  • LINQ, Entity Framework
  • Object Oriented Concepts
  • QA/Unit Testing
  • Source Control

We would love for you to have experience in, or at least the interest in learning, the following:

  • Ecommerce experience
  • SEO knowledge
  • Acumatica software

Our Company

Founded in 2004, Cat5 Commerce is a fast-growing internet retail company, We own and operate online webstores including and The core of our business consists of ecommerce, digital marketing, and software development.

Since day one, it has been our mission to deliver an extraordinary shopping experience to our customers. We accomplish this through custom application development, comprehensive online marketing strategies, and a customer-centric approach to business.

Recognized as a Top Workplace by the St. Louis Post-Dispatch, we create dynamic teams where individuals can rise to the challenge, put forth their best work, and have fun while doing so! We believe that providing St. Louis’ best and brightest talent with a healthy company culture, top-notch benefits package, and a positive work environment are key to the long term success of our company and our resident Cat5’ers.

Thank You

Your application was submitted successfully.

  • Location
    Chesterfield, Missouri
  • Department
  • Employment Type
  • Minimum Experience
  • Compensation
    DOQ + Excellent Benefits