Support Engineer

Finix

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San Francisco on site Until 10/5/2026 H-1B sponsor history First posted March 22, 2025 Last posted August 6, 2026
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:
 
At Finix, we build for scale and develop systems that can process tens of thousands of events per second. Our systems move millions of dollars per day. We iterate quickly and constantly release new features with little to no margin for error.
 
As a member of the Support Engineering Team, you are the front line and the face of Finix. You will interact with customers daily and help them on their path to becoming payment processing platforms, all while improving the product by collaborating closely with the Revenue, Product, and Engineering teams.
 
We are looking for a candidate who is a payment nerd or is interested in being one. Additionally,  successful candidates are natural problem-solvers and show a curiosity about how the industry works. They are excited to help our customers build their own perfect payments stack.
 
This hybrid role entails working in the office 4 days per week in our San Francisco HQ. 
 

You will:

  • Collaborate with the Revenue, Product, and Engineering teams on projects, features, and tasks along with managing the Support ticket queue and answering tickets
  • Troubleshoot, debug, and document technical customer issues and solutions 
  • Build strong relationships with Finix users, work with them to resolve their issues including identifying product gaps and enhancement, and work to implement solutions and improvements
  • Act as a customer advocate in cross-functional product meetings 
  • Engage and participate in team learnings to better understand the payments ecosystem

You have:

  • BS/MS in Computer Science, Engineering, or similar experience (Open to DevBootcamp graduates and non-college graduates) 
  • Experience working with RESTful JSON APIs, Curl Commands, SQL, scripting languages, debugging, log aggregators, and web technologies 
  • Strong written and verbal communication skills. You believe in being open, honest, and direct in your communications
  • Comfortable working in a fast pace environment and interacting with a high volume of customers every day, team-oriented, and hungry to learn
  • Strong foundational knowledge of APIs and can explain the concept to a five-year-old easily
  • Experience with ticketing tools such as Hubspot

Bonus points if you have:

  • Previous experience working for SaaS companies
  • Payments experience
  • Python, Ruby, and/or JavaScript experience
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Finix is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other protected class.
 
Role: Support Engineer
Level: IC3
Location: San Francisco
Base Salary Range: $85,000/yr to $115,000/yr USD + equity + benefits
 
Our salary ranges are determined by role, level, and location. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries at our headquarters in San Francisco, California. Individual pay is determined by work location, job related skills, experience, and relevant education or training.
 
About this role

Summary

Troubleshoot and resolve customer technical issues, collaborate with teams, improve payments platform

Job title

Support Engineer

Experience level

IC3

Industry

finance

Location requirements

On-site in San Francisco, hybrid work (4 days in-office)

Salary

$85k–$115k

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

RESTful JSON APIsCurl CommandsSQLscripting languagesdebugginglog aggregatorsweb technologiesticketing tools

Preferred skills

paymentsPythonRubyJavaScript

Specializations

APIsSQLweb technologiesdebuggingticketing tools
Locations

Structured locations inferred from the posting.

San Francisco, CA, USA

Hybrid City
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