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Senior Software Engineer

Highnote

$170,000 - $230,000
Nov 12, 2025
San Francisco, CA, US
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Highnote is looking for engineers to help build and scale their all-in-one card issuer processor and program management platform, enabling digital-first organizations to issue and process payment cards.

Requirements

  • 8+ years experience building production software systems
  • Expertise in threading, optimizations, performance tuning, and concurrency management
  • Deep understanding of Java frameworks (including Spring), resiliency, and encryption libraries
  • A history of writing scalable, performant and maintainable code.
  • Experience with Java >= 11, JPA ORM mapping, Crafting SQLs, unit and integration testing
  • Experience with cloud platforms such as GCP or AWS
  • SpringBoot, Docker, and Kubernetes

Responsibilities

  • Resolving core service performance issues at scale
  • Building secure and compliant platform products that solve customer needs
  • Writing high quality and robustly tested code, mostly in Java
  • Understanding customer problems to build the right solutions
  • Documenting your work to support our rapidly-scaling company
  • Interfacing with a variety of the company’s domains to strengthen our platform

Other

  • We are looking for builders who thrive in ambiguity.
  • Please note that positions located in San Francisco are hybrid and include core working days of Tuesday, Wednesday, Thursday in office.
  • We provide flexible work options based on distance from our downtown SF office.
  • Highnote believes in the power of face-to-face, personal connection.
  • As a result, we prioritize in-person candidates.