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Senior Software Engineer

PEAK6

$123,000 - $153,750
Oct 9, 2025
Chicago, IL, US
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Apex Fintech Solutions (AFS) needs to build out the scale and resiliency of its growing Ascend platform by hiring a Senior Software Engineer to join the Corporate Actions and Options Processing team, which is responsible for critical services within Apex's high-volume, high-availability trade clearing platform.

Requirements

  • A strong proficiency and in-depth understanding of Go, or another general-purpose programming language like Java (Go experience ideal)
  • Experience with SQL, protocol buffers, and reactive, multi-tenant applications
  • Experience with GCP and/or AWS is a strong plus
  • A DevSecOps mindset and experience with cloud-native applications
  • Commitment to code quality, peer reviews and strong engineering practices

Responsibilities

  • Lead the design and delivery of major software components, systems, and features
  • Design, develop, test, deploy, maintain and improve software
  • Write high-quality, well-tested code
  • Build resilient, self-scaling, self-healing services that allow you to sleep through the night
  • Support production systems through deployment (CI/CD), and monitoring (DataDog, PagerDuty), including on-call responsibilities

Other

  • 5+ years of experience as a software developer or similar job roles
  • Experience mentoring, and coaching other engineers
  • Financial services background is a strong plus
  • Background in corporate actions and/or options is a strong plus
  • Ability to learn new technologies (languages, tools, frameworks) quickly
  • Excellent verbal and written communication skills
  • Self-starter with "whatever it takes" attitude in a dynamic work environment