Lead Full-Stack JavaScript Engineer

We are seeking a Lead Full-Stack Engineer to design and deliver production-grade web systems across frontend and backend services. You will lead cross-team technical direction, uphold quality standards, and help ship accessible, high-performance experiences. Responsibilities Lead architecture and design decisions across frontend and backend systems Build and ship full-stack features using TypeScript and React with strong state management practices Develop backend services and shared libraries using Kotlin/Java on the JVM or TypeScript Design and integrate APIs using gRPC/protobuf and HTTP/REST patterns Model and evolve data storage in DynamoDB and PostgreSQL to support product capabilities Ensure reliability and performance through caching, queues, and eventual-consistency trade-off decisions Operate effectively within AWS, containerized environments, and CI/CD pipelines Enforce high-quality standards through unit, integration, and end-to-end testing Guide accessible UI patterns and browser performance improvements Coordinate cross-team technical execution and unblock delivery risks Review code and provide clear technical feedback to raise team quality Requirements 5+ years full-stack web engineering experience shipping production systems Strong TypeScript and modern React experience including state management and performance optimization Strong JVM backend experience with Kotlin or Java, or TypeScript for shared platform libraries Hands-on gRPC and protobuf experience alongside HTTP and REST APIs Solid DynamoDB and PostgreSQL data modeling experience for product features Strong AWS, containers, and CI/CD consumer experience in production environments Strong testing discipline across unit, integration, and end-to-end Proven cross-team ownership and design leadership experience Excellent communication and collaboration skills with product and engineering partners Upper-Intermediate English proficiency (B2) Strong problem-solving skills and attention to detail Nice to have Experience with React Native, Kotlin Multiplatform, Flutter, or Capacitor Knowledge of OAuth/OIDC, SSO, and third-party identity providers Experience building authoring tools, CMSs, or internal back-office applications Familiarity with OpenTelemetry and structured logging tools Experience with design systems and shared component libraries