Full-Stack Engineer (Contract)

WHO WE ARE

Lumos Labs is the industry leader in brain training. Since the launch of Lumosity in 2007, more than 100 million users have trained their cognitive skills by playing over 7 billion training games. We believe in helping people keep their brains challenged through playful, meaningful experiences grounded in science. 

From neuroscience to art, we combine diverse disciplines to create a brain training program that is both engaging and accessible — making cognitive research available to everyone. We draw upon scientific research, user-friendly design, and engagement with our user base to continuously improve our product. Through the Human Cognition Project, we collaborate with over 100 leading researchers and clinicians from institutions around the world. 

WE’RE LOOKING FOR 

We’re looking for an experienced Full-Stack Engineer (web frontend and backend) to work on the development of our consumer flagship product, Lumosity. 

In this role, you’ll work closely with engineering teammates to build software that is used by large numbers of users. You will also routinely interact with product managers, designers, domain experts, and stakeholders.

The ideal candidate has a track record of successfully shipping software products, in our tech stack of choice (see details below), that are used by large audiences. Candidates should have a passion for cognitive health and wellness.

• Coding position: while architectural skills can be advantageous, they are not mandatory for this role as it primarily revolves around coding and problem-solving
• Contribute day to day by coding by creating and maintaining well engineered solutions to fulfill our software requirements
• Tech stack: Node.js, TypeScript, and GraphQL, Lambda functions, Databases (hosted on AWS), React
• Offer input and recommendations for development tactics based on your years of experience
• Work with engineering teammates to create implementation/development plans that show how the software will be built
• Use Jira daily to document tasks, completion status, decisions, dependencies, blockages and general progress updates
• If outside of Pacific Time in the United States, ensure availability between 10am and 2pm Pacific Time, USA

• Coder at heart
• Self-starter, internally motivated
• Energized when large numbers of people are using your software
• Enthusiastic about small teams and working together to succeed
• Eager to learn what’s necessary to fulfill responsibilities
• Excited to help people tap into the full potential of their minds
• Accomplished communicator
• Comfortable with ambiguity and excited by lessening the unknown
• Desire to proactively identify and mitigate risk

• Significant experience working in our tech stack, 5 years or more, 
• Both frontend (Typescript, React) and backend (server API endpoints with graphQL, Typescript, Node.js, Lambda functions, database, event pipelines, S3 buckets)
• Crafted and/or contributed to core systems including 
•  Purchasing and accepting payments (credit cards, paypal, etc.)
• Stripe, Braintree
• Backend implementation of mobile purchasing
• Authentication including email-based sign-on as well as social logins (Apple, Google, Facebook)
• Worked on and delivered multiple software projects
• Shipped consumer products (products used by the general public) that service large numbers of customers
• Created well-crafted, performant software systems that serve large numbers of users
• Collaborated in a diverse team toward successful launches of software products
• If outside of Pacific Time in the United States, the demonstrated ability to collaborate successfully and productively from a different timezone

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. 

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