The Senior Software Engineer at Finix will lead the design and implementation of payment solutions, ensuring reliability and scalability while mentoring junior engineers.
About Us
Move money. Make money. Finix is a full-stack acquirer processor, empowering businesses of all sizes with flexible, modern payment solutions. Processing billions of dollars annually, Finix enables SaaS, marketplace, and e-commerce platforms to accept payments, manage payouts, and onboard merchants seamlessly. With our no-code, low-code, and developer-friendly tools, businesses can get up and running in hours—not months.
Finix has raised over $175M, including a $75M Series C led by Acrew Capital, with participation from Lightspeed Venture Partners, Leap Global, American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Sequoia Capital, Visa, and others.
About the role
The engineering team owns the delivery and stability of our product end to end. Since Finix serves as the complete payment platform of our customers’, our engineering team owns our customers’ ability to capture revenue. The Sr. Software Engineer role centers around envisioning superior technical solutions to our customers’ payment needs, leading its implementation and continuously ensuring reliable service to our customers. You will have broad autonomy and responsibility for formulating the best solution possible and working with your peers to deliver your vision. Finix is looking for a team member to join our engineering team who brings exceptional technical acumen, attention to detail, interest to grow and an obsession with building excellent, performing and scalable software.
You will
- Deep dive into our customers’ needs, and work with product management to define new services
- Own the technical vision, implementation, best practices and infrastructure within your domain
- Develop close relationships with product management and peer engineers
- Become an expert in your payments domain and mentor junior software engineers
- Proactively improve our architecture, frameworks, tooling, automation, and best practices
You are
- Experienced in designing, implementing, and testing superior software
- Comfortable continuously delivering code, infrastructure, tests and features to production
- Excited about finding new and better ways to make software reliable, scale and perform
- Obsessed with finding edge cases, understanding requirements and design implications
- Proactive in monitoring running systems and troubleshooting production issues
- Always looking for ways to grow, opportunities to mentor and collaborate with peers
You have
- Have 6+ years of experience building and designing systems with several lifecycles
- Extensive experience implementing secure APIs, highly available and observable services
- Led and mentored more junior software engineers
- Kept tight control on multiple competing priorities and have strong ability to multitask
- Raised the bar on every project you were involved in
Top Skills
APIs
Payment Processing
Software Development
Finix Chicago, Illinois, USA Office
222 S Riverside Plaza , Chicago, IL, United States, 60606
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