Sr. Data Engineer at Lumosity

Welcome to Lumos Labs, the industry leader in brain training. Since we launched Lumosity in 2007, over 100 million users have sharpened their cognitive skills by playing more than 7 billion training games. We are passionate about helping people keep their minds challenged through playful, scientifically grounded experiences. By blending neuroscience with art and design, we make cognitive research accessible to everyone. Through our Human Cognition Project, we also collaborate with over 100 leading researchers and clinicians worldwide to continuously improve our products.

What is this role?

We are seeking a Senior Data Engineer to join our dedicated Data Engineering team. This is a full-time, remote position open to candidates anywhere. As a senior-level engineer, you will play a vital role in powering our applications by building the systems and infrastructure needed to collect, distribute, migrate, and analyze data at scale. You will work directly on our flagship product, Lumosity, while collaborating with product managers, designers, and domain experts to ensure our systems remain efficient and effective.

What will you do?

• Write clean, high-quality code daily to create and maintain robust solutions that meet our software requirements.
• Leverage our core tech stack, including Python, Scala, Kafka, Snowflake, Airflow, MySQL, PostgreSQL, and GitHub Actions.
• Provide expert recommendations on development tactics and use Jira to manage tasks, track progress, and communicate project dependencies.

What makes you a great fit?

You are a coder at heart who thrives in small, collaborative teams. You have a proven track record of building data pipelines for highly available, large-scale systems, and you are excited to help millions of users reach their full potential. To succeed here, you should have:

• At least 5 years of significant experience working with our specific technology stack.
• Deep expertise in migrating large data sets across RDBMS or data warehouses and managing event streaming with Kafka.
• Strong analytical and debugging skills, along with a solid understanding of data architecture and functional programming principles.
• Excellent communication skills and the ability to work effectively in a remote environment, including maintaining availability between 8am and 1pm Pacific Time if you are located outside of that time zone.
• A proactive mindset toward risk mitigation and a genuine enthusiasm for cognitive health and wellness.

What's in it for you?

We are committed to fostering a diverse and inclusive workplace where every team member can thrive. As part of our team, you will enjoy the following benefit:

• Remote work flexibility.