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Finix

Developer-friendly API for payment processing

Senior Software Engineer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeChicago, IL, USA$150k - $220k /yrIn-person

About the Job

Requirements

  • At least 4 years of experience building and designing systems through several lifecycles.
  • Extensive experience implementing secure application programming interfaces, highly available services, and observable services.
  • Experience leading and mentoring more junior software engineers.
  • Ability to manage multiple competing priorities and multitask effectively.

Responsibilities

  • Deep dive into customers’ needs and work with product management to define new services.
  • Own the technical vision, implementation, best practices, and infrastructure within the assigned domain.
  • Develop close relationships with product management and peer engineers.
  • Become an expert in the payments domain and mentor junior software engineers.
  • Proactively improve the architecture, frameworks, tooling, automation, and best practices.
  • Design, implement, and test software.
  • Continuously deliver code, infrastructure, tests, and features to production.
  • Improve software reliability, scalability, and performance.
  • Identify edge cases and understand requirements and design implications.
  • Monitor running systems and troubleshoot production issues.
  • Mentor and collaborate with peers.

About the Company

Finix

Developer-friendly API for payment processing

Finix provides a payment processing platform for software platforms, offering a developer-friendly API that lets SaaS providers, marketplaces, and e-commerce sites accept payments, handle merchant onboarding, and manage payouts. The API integrates into existing software to streamline payments and reduce operational complexity. It earns revenue by charging fees for API usage and related services, such as transactions or subscriptions. Finix differentiates itself by delivering a clean, easy-to-integrate payment solution that emphasizes reliability, security, and scalable payout and onboarding capabilities, enabling clients to grow revenue and cut costs instead of building payments from scratch. The company’s goal is to help software platforms run their payments efficiently, unlock more revenue from payment operations, and reinvest that income into their core products and teams.

Company size
201-500
Company stage
Series C
Total funding
$200.5M
Headquarters
San Francisco, CA
Founded
2015

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