Backend Engineer at Lumos Labs (Lumosity) (Remote)

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Founded in 2007, Lumos Labs is the leader in brain training. Over 100 million users have used our Lumosity application to train their cognitive skills, playing our games over 7 billion times. We support trailblazing cognitive research and there have been over 65 peer-reviewed publications in academic journals using Lumosity games, assessments, or data. We are building one of the premier digital health brands and are looking for talented, mission-oriented people to join us on the journey. Lumos Labs is located in the SoMa area of San Francisco, CA with remote colleagues country- and worldwide. The Sr. Backend Engineer position can be performed anywhere in the U.S.

Lumos Labs is looking for a backend engineer to join the Platform team where we’re building a modern platform to support our products and unlock the potential energy within all Lumos Labs engineers. We are building one of the premier digital health brands and are looking for talented, mission-oriented people to help us realize our goals.


  • Help create and clarify patterns and practices that enable engineers to build and ship new features for current and future products.
  • Partner with adjacent teams to identify common blockers and implement solutions that address them.
  • With fresh eyes and your unique experiences, you will provide valuable perspectives on what we’re doing and where we’re going.
  • Writing code, building systems, and helping to ship it all into the world, of course!


  • Superb interpersonal, communication, and collaboration skills. -- In theory, you take time off without folks (or you) feeling they need to call you for help. In practice, you leave a coherent trail of documentation in places like your code (we love comments and READMEs) and architectural decision records (ADRs).
  • Javascript knowledge that includes building services with Express, Koa, or Fastify.
  • Experience with Typescript is a bonus (we want to add some rigor to our code).
  • Experience building and operating GraphQL APIs using tools like Apollo, PostGraphile, or TypeGraphQL.
  • Knowledge of concepts like schema federation, custom data types and third-party offerings like Hasura is a bonus.
  • Knowledge of design patterns such as microservices, serverless functions, or event-driven architecture.
  • Knowledge of development patterns that support the above, such as monorepos, is a bonus.
  • Familiarity with deployment options such as blue-green, continuous deployment (or delivery, in some cases!), and knowledge of how those can be implemented using support from tools like Gitlab, Github Actions, CircleCI, etc.
  • If you can describe how your code gets shipped into the world, that’s a great start!
  • Comfort managing cloud infrastructure using tools like Pulumi or Terraform (you’ll be collaborating with our SRE team that manages most of this).
  • These are tools or experiences we believe we need now but aren’t hard requirements for the interview. We believe you can, and will, learn on the job!

We Offer

  • Competitive compensation, including salary and benefits on par with later-stage companies and equity compensation on par with earlier-stage ones.
  • The excitement and fun of the early-stage startup paired with the maturity and stability of a later-stage business with substantial revenue and company infrastructure.
  • An egoless environment that fosters collaboration of all types. We have a culture of ownership, trust, camaraderie, and fun.
  • A focus on sustainability - in our products, our business, and for our employees.
  • A culture that values coming together and sharing our varied interests to illuminate new and inspiring ideas, all with a focus on helping our users make meaningful improvements in their lives.
  • The opportunity to learn, grow, and bond with a tight community of co-workers based in SF, and with teammates around the world (NY, Portland, Minnesota, Brazil, Serbia, Ukraine, India).
  • All of the perks that one would expect from a modern-day SF tech company.

Lumos Labs values diversity and recognizes that employees from a broad range of perspectives improves both the practice of science and the brain training experience for everyone. We are committed to inclusion, diversifying tech, and advocating for diversity in our employees, their experiences, and the people we serve.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.

Please review Lumosity's California Job Applicant Privacy Policy here.


More Information on Lumos Labs (Lumosity)
Lumos Labs (Lumosity) operates in the Big Data industry. The company is located in San Francisco, CA. Lumos Labs (Lumosity) was founded in 2007. It has 66 total employees. To see all jobs at Lumos Labs (Lumosity), click here.
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