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The Number 1 Operational AI Company in the World
Senior Product Engineer
Location
Costa Rica
Posted
46 days ago
Salary
0
Seniority
Senior
Job Description
Senior Product Engineer
Willow
• Build and optimize complex, state-machine-driven intake flows using React and Next.js to manage clinical eligibility and patient state. • Manage the scaling of our NestJS "majestic monolith" and help determine when and how to extract focused services as our domain models grow. • Ship strictly-typed TypeScript features across a Turborepo monorepo, ensuring high performance for our patient, doctor, and admin interfaces. • Design and maintain Postgres schemas and handle asynchronous job queuing (retries, idempotency) via pg-boss. • Connect and scale third-party integrations, including Stripe, Authorize.Net, Vouched, and __Customer.io__, to power clinical and business workflows. • Own deployments and infrastructure health within AWS, utilizing Datadog for observability and incident response. • Participate in (and lead) thoughtful code reviews to maintain high standards for readability, maintainability, and test coverage across the team. • Document architectural decisions and API contracts to ensure the team can scale and new members can onboard quickly. • Proactively identify bottlenecks in the patient onboarding funnel or backend services and implement optimizations to maintain a "snappy" user experience. • Ensure that all features are built with security best practices in mind, particularly regarding the handling of sensitive patient data.
Job Requirements
- 8+ years shipping full-stack TypeScript, with real ownership of features in production.
- Strong on React / Next.js on the frontend and a modern Node backend (NestJS, Express, or similar).
- Comfortable in Postgres, schema design, modern ORMs, and a sense for the cost of a bad query.
- Experience with event-driven systems: queues, retries, idempotency, distributed gotchas.
- Real AWS fluency, you can read a container deployment spec and trace an incident without hand-holding.
- Solid instinct for product: you care whether a feature actually works for users, not only whether it ships.
Benefits
- Flexible working hours
- Work wherever you choose.
- Fun and casual work environment.
- We are a diverse, global team!
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