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Paychex
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July 15, 2025
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Software Engineer II - Ruby on Rails

Tempe, AZ
Full-time
Remote
$76K/yr - $119K/yr
Entry, Mid Level
Paychex is a human capital management company that delivers advisory solutions in human resources, employee benefit solutions, and payroll. The company is seeking a Level 2 Software Engineer to join their remote team, specializing in Ruby on Rails, React, and Vue.js, to develop and optimize scalable software solutions that meet growth and performance objectives.
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Responsibilities

  • Develop and Maintain Applications: Design, develop, and maintain cloud based, scalable, high-performing software applications using Ruby on Rails, React, and Vue.js.
  • Optimize System Performance: Identify performance bottlenecks and implement solutions to ensure applications remain fast, efficient, and reliable.
  • Ensure Scalability: Build systems that are scalable and capable of handling high volumes of data and traffic.
  • Code Reviews and Best Practices: Conduct code reviews, promote coding standards, and mentor junior developers in best practices.
  • Contribute to System Architecture: Collaborate on system design to meet current and future technical challenges.
  • Design and develop test automation code
  • Complete complex program changes; self-directed
  • Perform comprehensive analysis and design for broadly defined requirements
  • Make significant technical contributions; contribute to technical direction
  • Provide estimates required for user stories based on business requirements, specifications and designs
  • Comply with and contribute to SDLC standards and CD/CI procedures to ensure consistency; introduce new standards and opportunities for improvements
  • Monitor progress against task estimates to provide status
  • Provide technical support and troubleshooting for applications across environments, including high impact production issues
  • Maintain existing code base, monitoring for failures in non-prod environments
  • Support changes during quality assurance, user acceptance testing, and post implementation to ensure integrity of application
  • Share technical expertise; guide and mentor others to maximize team effectiveness and quality
  • Subject Matter Expert in a relevant technology or Paychex application

Qualification

Required

  • 2+ years of experience with Ruby on Rails.
  • Bachelor's Degree in Computer related discipline or equivalent work experience.
  • Proficiency in Python and JavaScript frameworks, particularly React and Vue.js.
  • Strong understanding of RESTful APIs and third-party integrations.
  • Knowledge with AI Engineering projects and business problems using LLMs.
  • Proven ability to troubleshoot complex technical issues and implement efficient solutions.
  • Ability to work effectively in a remote, team-oriented environment.
  • Commitment to writing clean, maintainable, and efficient code.
  • Experience building systems designed to scale.
  • Demonstrated ability to deliver high-quality results within deadlines.

Preferred

  • Experience working in an agile environment.
  • Experience with AI Engineering projects and business problems using LLMs.
  • Familiarity with containerization (e.g., Docker, Kubernetes) and cloud services (e.g., AWS, Azure).
  • Knowledge of CI/CD pipelines and DevOps practices.
  • Previous experience mentoring or leading small teams of developers.

Benefits

  • Medical coverage
  • Virtual wellness classes
  • Tuition reimbursement
  • 401(k) + employer match
  • Adoption assistance
  • Financial assistance
  • Paid time off
  • Company holidays
  • Culture days
  • Comprehensive work-life balance programs
  • Ongoing learning opportunities
  • Paid time off for volunteerism
Paychex is a human capital management company that delivers advisory solutions in human resources, employee benefit solutions, and payroll.
Glassdoor
3.6
Founded in 1971
Rochester, New York, USA
10001+ employees
https://www.paychex.com/