CardFlight

Backend Engineer

• Design, create, and support backend systems for transaction processing and settlement
• Collaborate with a team of engineers to continuously build, ship, learn, and iterate on products
• Stay up-to-date with new technologies and best practices in backend software development
• 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 and set technical direction
• Support operations with customer-facing technical issues and collaborate with third parties on code certifications
• Work on CardFlight's SwipeSimple payments platform used by 125,000+ small businesses

Senior Backend Software Engineer

Whether they’re building great payment software or collaborating with a client, every CardFlight employee is committed to empowering small businesses to accept electronic payments with ease. Our team works primarily remote in over 25 US states with the ability to work in any US state and is passionate about delivering easy to use software to help small businesses accept payments from their customers. Joining our team means that you will be part of a fast-moving company, work collaboratively with others, and have a direct impact on making payments simpler for small businesses.
We’re currently looking for a junior-level Backend Software Engineer who will take a key role on our United States location-neutral team. You will have the opportunity to unlock new ideas and solutions for our products, solving problems in CardFlight’s backend systems responsible for transaction processing and settlement and supporting code certifications for our payment processor integrations. Our backend applications are primarily built with Ruby on Rails with some supporting microservices in Typescript and C#, our DevOps infrastructure is built on AWS, and CI/CD is handled via github actions. In this role, we value strong communication, agility, and attention to detail. Lastly, being able to context switch effectively, manage many concurrent tasks, and work in a fast-based environment is a crucial aspect of this role.
The position is US location-neutral remote, with opportunities to get together as a company and team throughout the year.
What You’ll Do:
Collaborate with a team of talented engineers to continuously build, ship, learn, and iterate on our products
Implement backend code changes and bug fixes to support code certifications of new and existing functionality
Execute manual test cases and track open issues during a certification
Support operations team with customer-facing technical issues
Collaborate with third parties on code certifications