26mo ago

USD 150000–220000/yr

Senior Software Engineer

United States·San Francisco,San FranciscoFull-timesenior

Software EngineerSoftware Engineering

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Quick Summary

Overview

About Finix Finix is building the global operating system for fintech, starting with payments. From startups to publicly traded companies,

Technical Tools

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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.

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

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

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

Location & Eligibility

Where is the job

San Francisco, United States

On-site at the office

Who can apply

Listing Details

Posted: August 9, 2024
First seen: May 6, 2026
Last seen: October 14, 2026

Posting Health

Days active: 160
Repost count: 0
Trust Level: 42%
Scored at: October 14, 2026

Signal breakdown

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Apply for this position

Finix Payments specializes in enabling businesses to create seamless payment experiences, driving revenue growth while reducing operational complexities.

Employees

125

Founded

2015

Domain

Jobs

View 20 jobs

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Salary

USD 150000–220000

per year

Apply now