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CardFlight

CardFlight

via Ruby On Remote

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Junior Backend Software Engineer

Anywhere
full-time
Posted 10/18/2025
Verified Source
Key Skills:
Ruby on Rails
C#
Backend API development
Manual and automated testing
Payment processor integrations
Certification process management

Compensation

Salary Range

$113K - 133K a year

Responsibilities

Develop and test backend services and APIs, execute manual and automated test cases for payment processor certifications, and collaborate with third parties and operations teams.

Requirements

1+ years backend development experience with Ruby on Rails, strong communication skills, ability to multitask in a fast-paced environment, and willingness to work in a hybrid role combining development and quality engineering.

Full Description

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 our simple, reliable software. Our mostly remote teams span 25+ states and have the flexibility to work from anywhere in the U.S. By joining us, you will be part of a fast-moving company with a collaborative culture and the opportunity to make a visible impact on 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, creating solutions in CardFlight’s backend services and APIs responsible for transaction processing and settlement (Ruby on Rails/C#) as well as executing code certifications for our payment processor integrations. This is a hybrid role with the ability to write code for backend systems while also executing manual and automated test cases in support of code certifications. In this role, we value strong communication, agility, and attention to detail as you will be helping to manage the phases of the certification process, including tracking test case feedback and status and collaborating with third parties throughout the process. Being able to context switch effectively, manage many concurrent tasks, and work in a fast-paced environment is a crucial aspect of this role. What You’ll Do Developing and Testing • Collaborate with a team of talented engineers to continuously build, ship, learn, and iterate on our products • Implement backend service/API changes and bug fixes to support code certifications of new and existing functionality • Execute manual and automated test cases and track open issues during a certification Technical Support • Support operations team with customer-facing technical issues • Collaborate with third parties on code certifications, tracking and communicating status as well as working through issues What You’ll Bring To The Table • 1+ years of backend service/API software development • Experience with Ruby on Rails • Willingness to learn and work in a variety of technologies as well as play a dual development and quality engineer role • Excellent communication and collaboration skills and interest in working with third parties • 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 Why You'll Love Being A Part Of Our CardFlight Team • US 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 • And more!! As part of providing a great new‑hire experience and setting you up for success, all new hires are required to attend an in‑person onboarding session on their first day of employment. During this session, you’ll meet with a member of our People Team to help guide your onboarding, connect with a few local employees, and get an introduction to our culture and processes. The company covers all costs for this onboarding, including reasonable travel expenses, meals, and hotel accommodations. You will be asked to arrive the day before your official first day (typically a Sunday), and hotel expenses will be covered through the night of your onboarding day. You can choose one of the following onboarding locations (unless special accommodations are required, which can be discussed if applicable): • Atlanta, GA • Lincoln or Omaha, NE • Nashville, TN • New York City, NY Our 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. The target cash compensation range for this role is between $113,000-$133,000 annualized, consisting of an annualized base salary of $105,000 to $125,000 and an annualized target bonus of $8,000. In addition to a competitive base salary, this position is also eligible for cash bonus and equity awards based on factors such as experience and performance. At CardFlight, we lead with respect for one another, our customers and business partners, vendors, and prospective employees. Our objective is to ensure CardFlight team members are passionate about the growth of our company, supported in their personal growth and development, and connected to their colleagues. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

This job posting was last updated on 10/21/2025

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