Software Engineer, Early Career
Finix Payments
Software Engineering
San Francisco, CA, USA
USD 135k-165k / year + Equity
Posted on Dec 3, 2025
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 in that payments system and continuously ensuring reliable service to our customers. You will have responsibility for collaborating with payments experts on your team to work towards 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.
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
- 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
You have
- 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
Bonus if you have
- Experience in Java
- Exposure to cloud platforms
- Exposure to fintech, payments, or financial system
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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: Software Engineer II
Level: IC2
Location: San Francisco, CA
Base Salary Range: $135,000 /yr - $165,000/yr + 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.
135000 - 165000 USD a year