Circle

Senior Back-End Software Engineer, Infra

Circle

full-time

Posted on:

Location Type: Remote

Location: Remote • 🌎 Anywhere in the World

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Salary

💰 $130,000 - $140,000 per year

Job Level

Senior

Tech Stack

MySQLPostgresRubyRuby on Rails

About the role

  • Maintain and modernize our Rails stack, including dependency upgrades, performance optimization and security enhancement
  • Build internal tools, SDKs, and libraries to improve developer experience and infrastructure scalability
  • Partner with your front-end counter-parts and SREs to support observability, performance, and reliability initiatives
  • Identify opportunities to build in-house systems that reduce reliance on costly third-party services
  • Contribute to architectural decisions that improve the performance, security and cost-efficiency of our platform

Requirements

  • Strong alignment with our values (find our values on our career page if you haven’t read up on them yet)
  • You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5
  • Deep expertise with Ruby on Rails, with an emphasis on infrastructure and architectural improvements
  • Solid experience working with MySQL and/or Postgres
  • A strong track record of improving performance, scalability, and system reliability
  • 5+ years of experience in a back-end engineering role, ideally focused on infrastructure or platform systems
  • Comfortable working autonomously in a fast-paced, fully remote environment
Benefits
  • Fully remote: work from anywhere in the world!
  • Autonomy and trust to do your job: we care about outcomes over everything else.
  • Paid time away: all employees are given 35 days of PTO annually. We also offer a paid sabbatical after 5 years.
  • Generous U.S. benchmarked compensation and startup equity no matter where you are in the world.*
  • Awesome medical coverage with 100% coverage for you and your family, or medical reimbursement options where applicable!*
  • Parental leave for parents expanding their family, or just starting one.
  • Home office stipend to help you get up and running.
  • Learning & development stipend to help you level up your professional skills.
  • Annual bonus potential for roles that don't already receive variable income or commission.
  • Company retreats: Twice a year, the Circle team gets together for a fully paid company retreat in incredible places around the world! We’ve had past retreats in Colombia, Portugal, and Mexico, with more planned on the horizon.
  • Check out our Careers page for more.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Ruby on RailsMySQLPostgresperformance optimizationsecurity enhancementinfrastructure scalabilityarchitectural improvementsdependency upgradessystem reliabilityback-end engineering
Soft skills
alignment with company valuesproficient in Englishautonomous workadaptabilitycommunication skillscollaborationproblem-solvinginitiativetime managementattention to detail