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Senior Backend Software Engineer

CardFlight

$192,000 - $218,000
Aug 27, 2025
New York, NY, US
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CardFlight is looking to solve problems and architect solutions in their backend systems responsible for transaction processing and settlement.

Requirements

  • 5+ years of backend software development
  • experience with the payments industry and/or payment processor integrations is a plus
  • Experience mentoring and coaching less experienced engineers
  • Experience designing and building quality and highly scalable applications
  • Proven track record of delivering complex projects with high quality within timelines
  • Superior communication and collaboration skills and interest in working with third parties
  • Ability to motivate, coach, and provide guidance to the team

Responsibilities

  • Design, create, and support backend systems for transaction processing and settlement
  • Collaborate with a team of talented engineers to continuously build, ship, learn, and iterate on our products
  • Stay up- to date with new technologies and best practices in backend software development to drive technical innovation required to deliver best-in-class applications
  • Ensure product stability through testing and development of best practices
  • Design and implement robust services and APIs for long-term scalability and maintenance
  • Assist in refactoring existing code to improve performance, security, and maintainability
  • Mentor and develop a high-performing team of engineers

Other

  • Ability to be flexible and flourish in a fast-paced atmosphere while remaining focused with an attention to detail, working productively, and successfully juggling multiple tasks
  • All new hires are required to attend an in-person onboarding session on their first day of employment.
  • The company covers all costs for this onboarding, including reasonable travel expenses, meals, and hotel accommodations.
  • We lead with respect for one another, our customers and business partners, vendors, and prospective employees.
  • We are an equal opportunity employer and value diversity at our company.