Senior Back-End Software Engineer, Infra at Circle (circle.so)

You're a seasoned Senior Back-End Software Engineer with at least five years of experience, particularly focused on infrastructure or platform systems, and you're proficient in English at a C2/ILR 5 level. **What makes it worth a look...** Circle is fully remote and offering a salary of $130,000 - $140,000 USD per year, with annual reviews and potential equity. They also provide 35 days of PTO and host company retreats twice a year. **You might be a good fit if you...** * Have deep expertise with Ruby on Rails, focusing on infrastructure and architectural improvements. * Are solid with MySQL and/or Postgres. * Have a proven track record of enhancing performance, scalability, and system reliability. * Can build internal tools, SDKs, and libraries to boost developer experience.