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Senior Full Stack Engineer

CardFlight

$160,000 - $200,000
May 22, 2025
New York, NY, US
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CardFlight is looking to solve the problem of empowering small businesses to accept electronic payments with ease by hiring a Senior Full Stack Software Engineer to work on large scale refactors, scaling issues, and other complicated problems.

Requirements

  • Experience with Ruby on Rails
  • Experience with Typescript and C-Sharp microservices
  • Experience with Ruby AWS lambdas
  • Experience with Preact, a lightweight version of React
  • Experience with Swift and Kotlin for mobile application development
  • Experience with AWS for DevOps infrastructure
  • Experience with github actions for CI/CD

Responsibilities

  • Develop new features and maintain the Flagship Mobile Application, SwipeSimple on the Web
  • Collaborate with product managers, designers, and backend engineers to design and deliver high-quality products within the SwipeSimple ecosystem
  • Drive technical innovation and best practices required to deliver best-in-class applications
  • Ensure product stability through testing and development of best practices
  • Design and provide feedback on new features for long term scalability and maintenance
  • Assist in refactoring of existing code to ensure maintainability
  • Support operations team with customer-facing technical issues

Other

  • 4+ years of Full Stack development experience
  • 2+ years mentoring and coaching less experienced engineers
  • Superior communication and collaboration skills
  • Ability to motivate, coach, and provide guidance to team
  • Ability to be flexible and flourish in a fast-paced atmosphere
  • Location-neutral work environment
  • Home-office equipment stipend
  • Flexible paid time off
  • Employee Engagement (Lunch & Learns, team building events)
  • Learning & Development culture
  • Comprehensive health benefits
  • Competitive compensation and company ownership/stock options