Java Developer



The CPI Software Developer will join a team focused on the development and maintenance of various applications supporting our clients in the Law Enforcement community. The successful candidate will be a self-directed problem solver with experience in application design, Java/JDBC/Hibernate/Spring development, microservice, and socket level programming.

The successful candidate will be tasked to work on a Java middle-tier application; backed by a relational database (Oracle, SQL Server, MySQL) via JDBC/hibernate, and fronted by CPI’s transaction-based law enforcement message switch via proprietary TCP/IP protocols. In addition, the role will expand to focus on Web application development, with an Angular front end and microservice back end.

Primary Responsibilities

  • Develop robust, high performance, flexible applications
  • Assist in various phases of software development from use case requirements gathering through designing, coding, and testing
  • Analyze, diagnose and provide solutions for application and performance issues
  • Develop and maintain procedures and documentation
  • Clearly communicate status to management
  • Knowledge sharing with other team members

Required Skills

  • Core Java with Spring, Hibernate, and Web service (SOAP/REST) experiences.
  • Proven knowledge of the most current security and web development programming languages
  • Top-notch programming and design skills
  • Adequate knowledge of relational database systems, Object-Oriented Programming, and web application development
  • Multithreading
  • Able to develop and work on a Linux, AIX, or a Unix derived OS
  • Socket level messaging
  • Self-directed problem solving
  • Be able to clearly communicate both verbally and in writing
  • Strong teamwork skills


Preferred Skills

  • Experience with test-driven software development
  • Experience writing automated test cases
  • Knowledge of one or more scripting languages
  • Experience with some type of version control tool, preferably GIT.


Non-Technical Requirements

  • Must be able to pass state and federal law enforcement/public safety agency background checks for all CPI customers
  • Willingness to travel throughout the United States as required
  • Be able to work daily from our corporate headquarters in Bolingbrook, IL. Must be willing to relocate if necessary.
  • Able to work outside of standard office hours
  • Minimum 3 years of relevant experience

Here is a handful of things we offer:

  • An engineering firm at heart. Founded and run by software engineers.
  • Family Run Company with family values. Dad started the company and the 3 sons are leading it into the future
  • On that note, the benefits are great and flexible working hours to enable work-life balance.
  • Over thirty years in business, 40 clients in 28 states, over 60 employees all working at the same place. These numbers add up to a stable work environment where everyone knows your name and you can make an impact.

We would love to hear about your skills. Apply Here:

Please fill out the form below and submit your attached resume.

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