Software Engineer (Linux) | Westminster, CO

Sphere, an established company, is looking to immediately hire a “Software Engineer.” for full-time, in-house employment in our Westminster, CO location. Sphere develops and maintains technology-oriented, merchant service solutions in the payment card industry.

About the Company

Sphere, powered by TrustCommerce, a leading provider of secure payment processing, develops and maintains technology-oriented merchant service solutions in the electronic payment and risk management industry to accommodate merchants of all sizes.  We offer a dynamic, fast paced environment where we are dedicated to helping our employees succeed, as well as offer a generous benefits package including a no-waiting-period health insurance program.

Position Summary

Under the direction of the Software Development Manager, Software Engineer will be responsible for the development of service-oriented, middleware, and infrastructural software for Linux-based environments.  The incumbent will be expected to be proficient and active in all applicable software development and management practices, including: architecture, programming/implementation, integration, testing, packaging, documentation (to some extent), production diagnostics, and production support.  Additionally, incumbents will be expected to be able to effectively lead projects from a technical perspective.  Applicants will be expected to demonstrate their capabilities throughout the interviewing process.

General Software Engineering Requirements

  • Expertise in Linux (or Unix) Software Development
  • Proficiency in Linux (or Unix) System Operations
  • Proficiency in SQL Database Development and Operations
  • Proficiency with Applicable Secure Coding Practices
  • Experience with Multi-Tiered Architectures
  • Experience with Unit Testing and/or Test-Driven Development
  • Experience Working with Payment or Other Financial Applications is a Plus
  • Experience with Data Processing, Correlation, and Analytics is a Plus
  • Experience with the PCI DSS or PA-DSS is a Plus
  • Familiarity with PostgreSQL and/or Oracle is a Plus

Conventional Software Engineering Requirements

  • Proficiency in C and C++
  • Proficiency with Perl, Python, PHP, and/or Bash
  • Experience Building High Availability/Performance Software
  • Experience Building Networked, Daemonized Software
  • Disciplined in Software Architecture Practices
  • Experience with Service-Oriented Architectures is a Plus
  • Proficiency with Java is a Plus
  • Familiarity with MITRE CWE is a Plus

Knowledge, Skills and Abilities

  • Knowledge of software test methodologies and automated testing practices
  • Knowledge of software development life cycle (SDLC) and software test life cycle (STLC)
  • Highly organized and have the ability to work independently with minimal supervision
  • Be Proficient in English, Both in Verbal and Written Form
  • Be Solutions and Results Oriented
  • Be a Passionate Technologist, Always Interested in Internals
  • Enjoy Fast-Paced, Dynamic, and Collaborative Environments

General Candidate Requirements


  • Bachelor’s degree or higher in Computer Science or equivalent (relevant experience may be substituted)

Required Experience:

  • 3-5 years of professional software experience with 1-3 years of automation experience

Preferred Experience

  • Knowledge of e-commerce and the payment industry, including PCI, preferred

Location: Westminster, CO

Note: Successful applicants must submit to a pre-employment background check and drug screen