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Contractor, Software Engineer II

PEAK6

Salary not specified
Aug 26, 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 within the Risk & Regulatory domain, which handles critical services for high-volume, high-availability transactions.

Requirements

  • A strong proficiency and in-depth understanding of Python and/or Java
  • Experience with Java, Advanced SQL, protocol buffers, and reactive, multi-tenant applications
  • Experience with GCP and/or AWS is a strong plus
  • Ability to learn new technologies (languages, tools, frameworks) quickly
  • A DevSecOps mindset and experience with cloud-native applications
  • Commitment to code quality, peer reviews and strong engineering practices

Responsibilities

  • Develop, support, and provide quality assurance in our technology products that power our platforms and services.
  • Utilize automated testing as well as manual inspection to ensure the reliability and accuracy of the services.
  • Maintain technical documentation and guides, ensuring they are up to date, accurate, and easy to understand for both internal teams and external stakeholders.
  • Conduct thorough code reviews, identify areas for improvement, and ensure adherence to coding standards, best practices, and quality metrics.
  • Investigate and resolve complex technical issues, troubleshoot production incidents, and implement preventive measures to minimize system downtime and ensure service reliability.
  • Stay updated on industry trends, emerging technologies, and best practices in software engineering, and apply this knowledge to drive innovation and improve development processes and methodologies.
  • Comfortably analyze large datasets for accuracy and logical values, leveraging your analytical skills to ensure data integrity and identify insights that drive decision-making and product improvements.

Other

  • 3+ years of experience as a software developer or similar job roles
  • Experience mentoring, and coaching other engineers
  • Financial services background is a plus
  • Excellent verbal and written communication skills
  • Self-starter with "whatever it takes" attitude in a dynamic work environment