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CommonLit is hiring a

Senior Full-Stack Software Engineer

  • USA Only
  • Full-Time
  • 7 applicants

Time zones: EST (UTC -5) CST (UTC -6) MST (UTC -7) PST (UTC -8)

CommonLit's mission is to improve the educational and economic outcomes of students through better literacy and critical thinking skills. Our non-profit's application supports millions of students in the United States and around the world with a rigorous, high-interest literacy curriculum in English and Spanish.

Our small (nine-member) engineering team works in a collaborative, high-trust environment where we ship high-quality software to power CommonLit's curriculum and to assist teachers in assessing their students growth. As a Senior Software Engineer you'll lead significant technical projects, contribute your own code, review teammates' work, and advance CommonLit's mission. You'll act as a force-multiplier for your teammates' work in addition to your own high-leverage contributions.

Our team is a group of life-long learners. We value sharing new ideas, lifting each other up, and building performant, reliable software that teachers can rely on in the high-stress classroom environment.

The Interview Process

Interviewing is a demand on your time. Here's what you can expect from our interview process:

  • A call with a senior engineer or CTO
  • A 45-60 minute technical interview on over Zoom with two engineers (we rotate the interviewers and change members of the pair to ensure consistent leveling of expectations)
  • Finalists will be invited for a ~4-hour final interview including pairing with CommonLit engineers, an architecture discussion, and meeting our Product team


CommonLit's engineering team is distributed. Due to restrictions on data access, you must work from within the United States. We have an office in Washington, DC that you can work from if you're in the area.

Responsibilities :

As a Senior Software Engineer your work will include:

  • Writing high-quality Ruby and Typescript code and tests for our Ruby on Rails monolith
  • Reviewing your teammates' work in our code review workflow
  • Researching technical ideas for upcoming projects
  • Mentoring and helping level-up less experienced engineers on the team
  • Deploying and operating our application in production

Qualifications :

  • 5-8+ years of web development experience with some of that time spent on a Ruby on Rails production application
  • Experience working with a modern JavaScript framework (React, Vue, Angular, etc.)
  • Ability to work comfortably in SQL (we use PostgreSQL and Redshift)
  • Experience dealing with performance and scaling issues
  • You live in the United States and have work authorization
  • You have a commitment to improving equity of opportunity for students of color

: $150k-$210k

How to Apply : Please send a resume and cover letter to [email protected] with Senior Full-Stack Software Engineer (Rails, Typescript) in the subject line. Only candidates, no recruiters, please.

Apply by : September 16, 2022

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