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Software Engineer - Gateway

Finix

$140,000 - $175,000
Sep 10, 2025
Chicago, IL, US
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Finix is looking for a Software Engineer for Gateway role to envision superior technical solutions to our customers’ payment needs, lead its implementation, and continuously ensure reliable service to our customers.

Requirements

  • 4+ years of experience with several life-cycle building systems using Java.
  • Implemented secure APIs, highly available and observable services.
  • Experience working with AWS infrastructure.

Responsibilities

  • Own the architecture, design, implementation, best practices, and infrastructure within your domain.
  • Get involved in design reviews and code reviews.
  • Proactively improve our architecture, frameworks, tooling, automation, and best practices.
  • Deep dive into our customers’ needs and work with product management to define new services.
  • Continuously delivering code, infrastructure, and tests throughout the product development lifecycle.
  • Lead proposals, design, and architect systems through research into use cases.
  • Proactive in monitoring running systems and troubleshooting production issues.

Other

  • Become an expert in your payments domain and mentor junior software engineers.
  • Obsessed with finding edge cases, understanding requirements, and design implications.
  • Committed to communicating and working cross-functionally with other teams to ensure the delivery of quality code and features.
  • Strong multitasking skills and can manage competing priorities.
  • Raised the bar on every project you were involved in.