F
Chicago, Illinois, United States· Full-time· Remote
$140K – $175K/yr
PythonJavaAWSGCP
F
Pay vs market · Bottom quarter
This job's pay ($185,000 a year at the midpoint) is higher than about 25% of 1,052 salary-listed Senior Software Engineer jobs in United States in the last 12 months; their median is $205,000.
Role overview
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
More like this
About this listing
- Source: Finix's official careers site · still listed there on 12 Nov 2026
- Posted 16 Sept 2026
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Role market pulse
How Senior Software Engineer demand looks in United States
Live jobs
1,249
Posted 30d
962
30d movement
+490.2%
Remote share
32.9%
Salary listed
86.2%
Salary trend 1Y
Not enough history
What they are looking for
Skills & requirements
Department · Engineering
Hiring company
Finix
Technology
Finix is a payments technology provider enabling businesses to accept and send payments online or in person.
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