Lead Software Engineer

About Us

Sunbit builds financial technology for real life. Our technology eases the stress of paying for life’s expenses by giving people more options on how and when they pay. Founded in 2016, Sunbit offers a next-generation, no-fee credit card that can be managed through a powerful mobile app, as well as a point-of-sale payment option available at more than 25,000 service locations, including auto dealership service centers, optical practices, dental offices, veterinary clinics, and specialty healthcare services. Sunbit was included on the 2022 Inc. 5000 list. The financial technology company has also been named Sunbit as a Most Loved Workplace®, Best Point of Sale Company, and a Top Fintech Startup by CB Insights. 

We use cutting-edge innovations in financial technology to bring leading data and features that allow individuals to be qualified instantly, making purchases at the point-of-sale fast, fair, and easy for consumers from all walks of life. We create value focused on our core values; we work tirelessly to ensure that Sunbit becomes available to everyone, everywhere.

We invite you to #UnleashyourCuriosity and join our ever-growing R&D organization.

Feel free to reach out with any questions! 

What You’ll Do: 

Sunbit is looking for  a Senior Software Engineer to join our Card Squad, a critical team responsible for our innovative credit card solution. This role offers the opportunity to work on complex, large-scale system architecture, providing rewarding challenges and professional growth. If you’re passionate about building robust architectures, writing exceptional code, and continually learning, we’d love to hear from you!

• Design, build, and enhance our credit card systems to deliver high-quality products and services.
• Solve challenging architectural and technical problems.
• Collaborate with and learn from a team of talented engineers.
• Ensure system stability and reliability.
• Write clean, maintainable, and efficient code.
• Lead projects through the full development lifecycle—from requirements gathering to production deployment.
• Mentor and guide junior developers.

What You’ll Bring:

• Expertise in large-scale, high-performance system architecture.
• Strong problem-solving skills with a proactive approach to tackling technical challenges.
• A talent for mentoring and supporting team members.
• Passion for continuous learning and staying current with industry trends and technologies.
• A resourceful, self-motivated mindset with the ability to work independently.
• Proven ability to plan and execute complex projects, including requirements gathering and roadmapping.



• Bachelor’s degree in Computer Science or a related field.
• 8+ years in software engineering, focusing on system architecture.
• Hands-on experience with Kotlin, Java, or Scala.
• Background in fintech is a significant advantage.
• Familiarity with microservices architecture.
• Proficiency in AWS or similar cloud platforms.
• Experience with the Spring Framework.
• Knowledge of event streaming systems.