Finix5mo ago

New

Software Engineer, Early Career

San FranciscoFull-timemid

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

expressjavaecommercefintechrest-apissaas

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 for our customers, our engineering team owns our customers’ ability to capture revenue. The Software Engineer, Early Career (San Francisco) role centers around becoming a product domain expert in building payments systems, contributing to the implementation of key features within those systems and continuously ensuring reliable service to our customers.

You will be responsible for collaborating with payments experts on your team to develop the best solution. Finix is looking for a team member to join our engineering team who brings exceptional energy, attention to detail, interest to grow and an obsession with building excellent, performant 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

Someone who can thrive in fast-paced, lean startup environments

Energized by solving complex, technical problems

A natural collaborator who seeks feedback, incorporates new perspectives, and advocates for customer needs

0-3 years of professional software engineering experience

Solid understanding of computer science fundamentalsFamiliarity with RESTful APIs and web services

Strong debugging and problem-solving skillsExcellent communication skills and ability to work collaboratively in a team environment

Experience in Java

Exposure to cloud platforms

Exposure to fintech, payments, or financial system

Location & Eligibility

Where is the job

San Francisco

On-site at the office

Who can apply

Same as job location

Listing Details

Posted: December 1, 2025
First seen: May 6, 2026
Last seen: May 6, 2026

Posting Health

Days active: 0
Repost count: 0
Trust Level: 29%
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

Jobs

External application · ~5 min on Finix's site

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