Senior Full Stack 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 Senior Full Stack Software Engineer who will take a key role on our United States location-neutral team. Our Foundations engineering team is a highly collaborative group of diverse engineers responsible for setting technical direction for Engineering and solving some of the largest and most complicated problems at CardFlight. You will get to work on large scale refactors, scaling issues, and any problems that traditional teams struggle to get bandwidth to tackle. This team is also responsible for overseeing architectural direction and providing feedback on architectural plans. You will also work with the systems experiencing the most technical liability directly to remove the liability. You will have the opportunity to unlock new ideas and solutions for our products. CardFlight's web stack is built on top of Ruby on Rails, with smaller Typescript and C# microservices and Ruby AWS lambdas supporting the monolithic web app. Transactions are processed through our gateway which is a pure Ruby app. The web front end is built on a javascript library called Preact, which is a lightweight version of React. The iOS application is built on Swift and the Android application is built on Kotlin, both employing a MVVM architecture. Our DevOps infrastructure is built on AWS, and CI/CD are handled via github actions. The position is US location-neutral and remote, with opportunities to get together as a company and team throughout the year. What You'll Do Developing & Building Develop new features and maintain our 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 Work alongside a team of talented engineers to continuously build, ship, learn, and iterate on our products Drive technical innovation and best practices required to deliver best-in-class applications Ensure product stability through testing and development of best practices Architecture & Design Design and provide feedback on new features for long term scalability and maintenance Assist in refactoring of existing code to ensure maintainability Assist in setting technical direction for other teams Collaborate with Product and UI/UX on new features and updates Technical Leadership & Mentoring Coach and lead the team in Agile practices such as code reviews and pair programming Mentor and develop a high-performing team of engineers Set technical direction and best practices for the department Technical Support Support operations team with customer-facing technical issues

CardFlight's signature product, SwipeSimple, is used by 125,000+ small businesses across the country. SwipeSimple is a software solution that enables small businesses to accept payments seamlessly via phone, tablet or computer. SwipeSimple is sold through a partner network comprising financial institutions, merchant service providers, and independent sales organizations. The solution is also sold directly by CardFlight through SwipeSimple Connect.