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Hybrid (San Francisco, CA / New York, NY)$148k - $250kFull-timePosted 8mo ago

About the role

Software Engineer role at Middesk, a YC-backed company focused on business identity verification and data platforms. Hybrid work with in-person collaboration 2 days per week in San Francisco or New York. Backend and full-stack responsibilities across frontend, backend, API, and data processing with a customer-first engineering approach.

Responsibilities

  • Work in React, Redux, Ruby, Rails, Postgres, and potentially Scala, Python, and Go to solve problems for our customers.
  • Dive into all layers of the stack; frontend, backend, API, data processors, etc.
  • Jam with Product Managers, Designers, Ops, and other Engineers every day to shape the direction of our products.
  • Share your knowledge with others in Engineering; help teammates improve their craft.
  • Contribute to the psychological safety of your team.
  • Help us interview and hire other Engineers.

Qualifications

  • 3+ years of professional Software Engineer experience.
  • Experience with a couple of languages in Middesk's stack (e.g., Ruby on Rails, React/Redux).
  • Experience working for a high-growth, venture-backed startup or founding a company.
  • Understanding of SaaS fundamentals (annual contract value, CAC, ARR) and ability to tie prior work to these metrics.

Skills

Required:Ruby on RailsReact
Nice to have:Redux
Last updated Oct 14, 2026. Interested? Apply on the company site.
Middesk logo

About Middesk

We make it easier for B2B companies to transact with one another

Middesk's mission is to enable every business to access the products and services they need to grow and thrive. We believe that if we can make it easy for a business to access financial products, hire new employees, and transact with other businesses, that we increase the odds of success for that business to contribute to its community and the broader economy. Our Identity provides accurate, complete information that financial services companies need to make efficient onboarding decisions. Our Agent product makes it easy for employers to file with the state and federal agencies needed to establish their business across the country. Our customers include Affirm, Brex, Plaid, Mercury, Divvy, Rippling, Gusto, and others. Based in San Francisco, CA, Middesk is backed by Sequoia Capital, Accel Partners, and Y Combinator.

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