Design, build, and operate backend systems that power real-time, interactive 3D experiences for tens of thousands of concurrent users.
Conceptualize, prototype, and validate new AI use cases that can meaningfully enhance learning outcomes.
Evolve our CI/CD pipelines , automated testing, and deployment processes to ship new features weekly with confidence.
Implement data privacy and security practices aligned with COPPA/FERPA for K-12 users.

7+ years of experience building distributed backend systems (Node.js/TypeScript preferred).
Experience with event-driven or multiplayer architectures — websockets, Pub/Sub, message queues, or equivalent.
Deep hands-on experience with AWS (EC2, RDS, S3, CloudFront), Cloudflare, and global caching/CDN strategies.
Strong grasp of relational database principles, schema design, indexing, query optimization, and transaction management — ideally with PostgreSQL at scale.
Practical experience integrating ML or LLM APIs into real products either professionally or in a hobby project capacity.
Experience with AI orchestration frameworks — built systems for prompt-chaining, context management, and intelligent tool use.
Proven ability to evolve pipelines and automated testing frameworks that support rapid, reliable iteration.
Mentors others, drives design reviews, and aligns engineers and product teams around clear technical outcomes.

Senior Backend Engineer

Key skills