Senior Backend Typescript Developer

The Position

You build and maintain the high performance backend services that power our core personalized health experiences. You work side by side with other senior engineers to build and grow scalable infrastructure APIs and event driven services.

Impact

Design build and maintain performant backend services in TypeScript that power our core personalized experiences.

Responsibilities

• Build and grow scalable infrastructure APIs and event driven services that deliver data driven features to users.
• Support and optimize production ready backend systems so they stay fast and dependable under load.
• Integrate and manage services such as PostgreSQL, MySQL, AWS SQS, and Centrifugo in the backend.
• Make systems reliable, secure, and observable so people can trust their DNA data is safe.
• Own and drive end-to-end feature development with a strong eye on user experience.
• Write clean, reliable code with performance and maintainability in mind from the start.
• Champion clean code technical excellence and continuous improvement across the team.
• Debug, test, and performance tune across services to catch problems before users feel them.
• Maintain, modernize, and migrate legacy code so older systems keep up with new demand.
• Take ownership of complex problems and drive them to a clear working solution.

Traits

• 5+ years of backend development experience.
• Expert with TypeScript and comfortable owning production backend services.
• Experience with functional programming.
• Deep hands-on experience with PostgreSQL, MySQL, and service-based architectures.
• Strong debugging, testing, and performance tuning skills.
• Able to work independently while collaborating closely with key teammates.
• Customer-driven with a passion for building systems that deliver exceptional experiences.

Nice to have:

• Familiarity with genomics, health data, or personalization systems.
• Startup or fast-paced environment experience.
• Familiarity with Rust.