React/Rails Engineer - Command Center

San Francisco, CA 94111

Posted: 01/25/2019 Employment Type: Permanent Job Category: Engineering Job Number: 11582

React/Rails Engineer

Command Center Engineers are responsible for the facility-facing web applications (admin interfaces) that control our phones, tablets, kiosks, and video visitation stations.  These are mostly Ruby on Rails applications using either native Rails server-side rendering or serving as JSON based API’ s to modern front-end stacks such as ReactJS. At Command Center’ s core lies a robust search experience powered by Elasticsearch and our data pipeline.


Our client’ s San Francisco office embraces a unique style of Agile software development where each engineer contributes to a fixed set of systems (systems they own) by being staffed to short-lived ad hoc teams that are assembled around single roadmap epics.  These teams are fully cross-functional and contain expert contributors from each of the systems touched in the epic.  In addition, you’ ll be a member of various System Owner groups which look after individual systems long term. It’ s an exciting combination of highly focused business driven work alongside broader architectural projects centered on a system’ s longer-term technical vision. Our ideal candidate enjoys working cross functionally with Designers and Project Managers and doesn’ t shy away from occasionally doing a bit of everything when needed.



  • Intimate understanding and command of one’ s application architectures, data persistence patterns, build pipelines and business rules.
  • Participate in backlog grooming, story-mapping, sprint planning, sprint review, and retrospectives for the ad hoc teams assembled around said epics.
  • Refine, estimate, and decompose user stories into technical implementation tasks in close collaboration with your peers
  • Create quality documentation, including flowcharts, diagrams, and written documentation describing features and functionality.
  • Ensure that coded features and functionality meet requirements, including those related to system performance, response, redundancy, security, metrics, and tracking.
  • Maintain excellent test coverage for every piece of code you write.
  • Participate in Crucible code reviews by offering insightful feedback and direction to your peers.
  • Serve as an escalation target for production issues.



  • Bachelor' s degree in Computer Science, Engineering or related field; 4 years of equivalent experience in lieu of a degree.
  • A minimum of 5 years of experience as a traditional web application developer with mastery of the common protocols, paradigms, and patterns.
  • Experience deploying and maintaining production mobile applications
  • Experience with agile methodologies (Scrum, Kanban, etc.)


Additional Technical Qualifications:
  • Project Management:
    • JIRA, or similar ticketing system
    • Crucible, or similar code review and collaboration system
  • Engineering Tools:
    • Git required; Gitlab is a plus
    • Jenkins, Crucible, or similar tool is a plus
  • Languages, Frameworks, Technologies:
    • Ruby on Rails
    • React, Backbone, AngularJS, HTML5, CSS/LESS/SASS
    • Experience with JavaScript compiling (Webpack, Babel, plugins, etc.)
    • REST API' s (Bonus points for Ruby on Rails experience)
    • MySQL / MariaDB
    • NGINX and/or Apache

    • Elasticsearch
    • Kafka
    • Chef
    • Capistrano
    • VOIP/SIP Asterisk

EOE of Minorities/Females/Veterans/Disabilities


Our client is an innovation leader in correctional technology, education solutions that assist in rehabilitating inmates, and payment services solutions for government. Our client leads the fields of correctional technology, education, and government payment services with visionary solutions and customized products that integrate seamlessly to deliver security, financial value, and operational efficiencies while aiding inmate rehabilitation and reducing recidivism rates.


With a recent acquisition, this company has strengthened its suite of solutions for the corrections industry and expanded its community corrections portfolio with Guardian, a smartphone-based GPS monitoring solution. As a trusted industry leader, our client provides services to over 2 million inmates in more than 2, 500 correctional facilities in the United States and Canada, including 33 U.S. departments of corrections, the District of Columbia, Puerto Rico, the U.S. Federal Bureau of Prisons, U.S. Immigration and Customs Enforcement, and many large city/county/provincial facilities.

EOE of Minorities/Females/Veterans/Disabilities
Apply Online

Send an email reminder to:

Share This Job:

Related Jobs:

Login to save this search and get notified of similar positions.