Synced from Lever · Sep 16

Software Engineer

FinixChicagoPosted Sep 16, 2026
Software EngineerOn-siteSenior
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Mirrored from Finix's own Lever careers system · refreshed hourly

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Sep 16
Posted
Lever
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Job description

About Finix

Finix is building the global operating system for fintech, starting with payments. From startups to publicly traded companies, Finix processes tens of billions of dollars annually both in-store and online. Finix was founded in 2015 and is headquartered in San Francisco.
 
To date Finix has raised over $200M, including a $75M Series C led by Acrew Capital and Lightspeed Venture Partners and backed by American Express Ventures, Bain Capital Ventures, Homebrew, Inspired 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 4+ 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
View original posting on Lever

What applying to Finix usually looks like

Based on publicly available information, candidates applying through lever for roles at Finix can generally expect a structured application process typical of companies using this ATS. After submitting an application, candidates may receive an initial acknowledgment, though response times vary and are not guaranteed. The process may include multiple stages, such as a recruiter screen, hiring manager conversation, and role-specific interviews that could assess technical skills, cultural fit, or domain expertise depending on the position. Some roles, particularly technical or design-oriented ones, may involve a practical exercise or case study. Communication throughout is typically handled via email or the Lever platform itself, which candidates can use to track status updates. As with most Lever-based hiring processes, expectations, timelines, and interview formats can vary by role and department, so candidates should remain flexible and prepared for some variation in structure.”

Based on publicly available information. LandEarly does not verify interview process details.

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