Finix21mo ago

New

USD 150000–220000/yr

Senior Software Engineer

San FranciscoFull-timesenior

Software EngineerSoftware Engineering

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Quick Summary

Overview

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,

Technical Tools

expressecommercefintechsaas

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.

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

On-site at the office

Who can apply

Same as job location

Listing Details

Posted: August 9, 2024
First seen: May 6, 2026
Last seen: May 8, 2026

Posting Health

Days active: 0
Repost count: 0
Trust Level: 41%
Scored at: May 6, 2026

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Finix

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

Employees

125

Founded

2015

Domain

finixpayments.com

Jobs

View 14 jobs

View company profile

Salary

USD 150000–220000

per year