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Fifth Third Bank

Senior Ruby on Rails Engineer

Fifth Third Bank

. Design and implement technology solutions using modern engineering tools and Agile practices .

Posted 5/8/2026full-timeRemote • Florida, Missouri • 🇺🇸 United StatesSenior💰 $82,100 - $172,500 per yearWebsite

Tech Stack

Tools & technologies
JenkinsPostgresRSpecRubyRuby on RailsTerraform

About the role

Key responsibilities & impact
  • Design and implement technology solutions using modern engineering tools and Agile practices
  • Develop and maintain Newline's core RESTful API using Ruby on Rails
  • Work with SRE's to design and implement our backend infrastructure using Terraform
  • Work with the QA team to write thorough unit and integration tests
  • Participate in software architecture discussions and code reviews
  • Integrate our platform with bank core services and APIs
  • Assist in establishing data security and information security best practices
  • Participate in API platform scaling and optimization sessions
  • Develop Newline's internal data pipeline and BI tools
  • Implement and maintain new features and capabilities while continuously improving the quality of our technical products and services
  • Follow industry and organizational best practices and standards
  • Contribute to a culture of continuous improvement
  • Achieve operational excellence by automating processes and creating maintainable, supportable, and testable solutions
  • Keep up with technology trends and innovations in your field(s) of practice
  • Maintain appropriate controls and documentation to ensure compliance with all company and regulatory requirements
  • Provide coaching, mentoring, and training for new or less experienced team members

Requirements

What you’ll need
  • Bachelor’s degree in a relevant technology field or equivalent combination of education and work experience
  • Six+ years of software engineering experience required
  • Hands-on experience with Ruby and Ruby on Rails required
  • Experience working with PostgreSQL and ActiveRecord
  • Experience writing unit tests in RSpec
  • Knowledge of CI/CD tools (Jenkins)
  • Ability to build and consume command line tools
  • Experience working in an Agile software environment
  • Experience working with IaC deployments (Terraform) is a plus
  • Experience building high TPS API systems (~100 TPS) is a plus
  • Experience shipping highly-available (99.99%) enterprise B2B SaaS products is preferred
  • Experience working in a regulated financial environment is a plus
  • Strong problem-solving and communication skills
  • Willingness to work in a highly-collaborative environment

Benefits

Comp & perks
  • Comprehensive benefits and differentiated compensation offerings to support employee needs
  • Health insurance
  • 401(k) matching
  • Flexible work arrangements
  • Professional development

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Hard Skills & Tools
RubyRuby on RailsPostgreSQLActiveRecordRSpecCI/CDTerraformAPI developmentData pipeline developmentSoftware architecture
Soft Skills
Problem-solvingCommunicationCoachingMentoringCollaborationContinuous improvementAdaptabilityTeamworkLeadershipOrganizational skills