logo inner

Senior Software Engineer - Gateway

FinixChicago, Illinois, United StatesHybrid, Onsite
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. The Engineering team owns our customers’ ability to capture revenue through our platform. The Senior Software Engineer for Gateway role centers around envisioning superior technical solutions to our customers’ payment needs, leading its implementation, and continuously ensuring reliable service to our customers.  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 scalable software.  

You Will:


  • Deep dive into our customers’ needs and work with product management to define new services. 
  • Own the architecture, design, implementation, best practices, and infrastructure within your domain. 
  • Get involved in design reviews and code reviews.
  • Become an expert in your payments domain and mentor junior software engineers. 
  • Proactively improve our architecture, frameworks, tooling, automation, and best practices.

You Are:


  • Comfortable continuously delivering code, infrastructure, and tests throughout the product development lifecycle. 
  • Able to lead proposals, design, and architect systems through research into use cases.  
  • Obsessed with finding edge cases, understanding requirements, and design implications.  
  • Proactive in monitoring running systems and troubleshooting production issues. 
  • Committed to communicating and working cross-functionally with other teams to ensure the delivery of quality code and features. 

You Have:


  • 6+ years of experience with several life-cycle building systems using Java.
  • Implemented secure APIs, highly available and observable services.
  • Experience working with AWS infrastructure.
  • Strong multitasking skills and can manage competing priorities. 
  • Raised the bar on every project you were involved in.

$162,000 - $198,000 a year-----------------------------------------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 IVLevel: IC4Location: Chicago, ILType: Hybrid (4 days in-office)Base Salary Range: $162,000/yr to $198,000/yr + equity + benefitsOur 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.Apply for this job

Life at Finix

Formerly known as Auditrax, Finix is a supply chain consulting and improvement organization, looking to assist clients in a variety of areas. Our mobile team of expert consultants works beside you ? inside your buildings ? to discover areas of process improvement and make the delicate adjustments needed to the systems you already have in place. We not only identify what needs fine-tuning, we also help you implement the solutions. Finix has proven solutions to several common healthcare initiatives: 1. Supply chain assessments - Identifying opportunities for cost savings 2. Physician preference items - Cleaning data, integrating systems, reducing variation and lowering costs 3. Technology - Implementing new systems and optimizing legacy software 4. Cross-functional data - Cleaning and integrating essential supply chain and operational data 5. Inventory management - Using lean principles to reduce costs and shortages 6. Procure-to-pay - Optimizing buying at the lowest cost and ensuring accurate payment 7. Operating room capacity - Providing care to a greater number of patients 8. Recovery audits - Identifying over-payments to vendors on a contingent fee basis Visit www.useFinix.com for more information.
Thrive Here & What We Value* Equal Opportunity Employer* Values Diversity* No Discrimination Based on Protected Classes

Related Sub

This job belongs to these sub. Explore related roles here:
Your tracker settings

We use cookies and similar methods to recognize visitors and remember their preferences. We also use them to measure ad campaign effectiveness, target ads and analyze site traffic. To learn more about these methods, including how to disable them, view our Cookie Policy or Privacy Policy.

By tapping `Accept`, you consent to the use of these methods by us and third parties. You can always change your tracker preferences by visiting our Cookie Policy.

logo innerThatStartupJob
Discover the best startup and their job positions, all in one place.
Copyright © 2025