Senior JavaScript Full-Stack Developer with AWS

We are looking for a Senior JavaScript Full-Stack Developer with AWS experience to join our team and help build scalable, high-performance production systems. In this role, you will contribute across the stack, shaping both frontend experiences and backend services while collaborating on architectural decisions that support our evolving platform. Responsibilities Design, develop, and ship production-ready full-stack web applications Build accessible, performant user interfaces using TypeScript and modern component frameworks Implement and maintain backend services on the JVM or with shared TypeScript platform libraries Design and evolve data models across relational and NoSQL databases for product features Develop and integrate APIs using gRPC, protobuf, HTTP, and REST Deploy and operate applications on AWS using containers and CI/CD pipelines Apply caching, queuing, and eventual-consistency strategies to ensure scalability and reliability Maintain strong testing discipline across unit, integration, and end-to-end layers Collaborate with cross-functional teams to define technical direction and platform standards Requirements 3+ years of professional full-stack web engineering experience shipping production systems Proficiency in TypeScript and React, including state management, accessible UI patterns, and browser performance optimization Backend expertise in Kotlin or Java on the JVM Skills in gRPC, protobuf, and HTTP/REST API development Competency in DynamoDB and PostgreSQL for product-feature data modeling, with familiarity with Redis Understanding of caching, queues, and eventual-consistency trade-offs Capability to work effectively with AWS, containers, and CI/CD as a consumer Strong testing discipline across unit, integration, and end-to-end layers English proficiency at an Upper-Intermediate level (B2) or higher Nice to have Familiarity with a cross-platform mobile framework such as React Native, Kotlin Multiplatform, Flutter, or Capacitor Background in authentication and identity systems, including OAuth/OIDC, SSO, and third-party providers Experience with authoring tools, CMSes, or internal back-office applications Knowledge of OpenTelemetry, structured logging (SigNoz), and design systems with shared component libraries Exposure to EdTech / K-12 or other domains with strong privacy and accessibility requirements (FERPA, COPPA, WCAG)