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Senior Data Engineer

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 6 billion times. We are now applying our unique approach to building scientifically-validated, delightfully fun, and deeply engaging products to other aspects of brain health and wellness. We are incubating multiple “seed-stage startups” within the company, in areas like creativity, mindfulness, emotional intelligence, and more. We are building one of the premiere digital health brands and are looking for talented, mission-oriented people to join us on the journey.

Lumos is looking for a senior engineer to join our Data Engineering team. This team powers all of our applications by building systems and infrastructure to effectively collect, distribute, and analyze data at scale, as well as creating next-generation tools to make sense of it all. We’re looking for an experienced engineer who has a passion for data, clean code, and operational efficiency.

YOU WILL

• Drive the design and implementation of systems at the core of our data infrastructure on a small, but effective team of data engineers
• Work with our data scientists to build high-throughput systems that allow us to continually invest in a rich, engaging experience
• Help envision, implement, and evangelize new features, pipelines, and platforms that not only deliver data, but insight
• Collaborate with product, engineering, and analysis teams across the organization, as our systems are loosely-coupled, but highly utilized

YOU HAVE

• A consistent track record of building highly-available back-end systems that scale
• A deep understanding of patterns of data architecture, back-end system design
• Proficiency in Scala, Python, Java, or other modern systems languages
• Experience with databases such as RDBMS or columnar DB
• Experience with Kafka, Spark, Flink, Storm, or similar
• Strong analytical and debugging skillsA dedication to engineering excellence
• Not required, but nice to haves:
• Exposure to the principles of functional programming (nice to have)
• Some experience with front-end technologies and/or statistical analysis tools (nice to have)
• Experience with A/B testing or machine learning infrastructure (nice to have)

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.