Senior JavaScript Full-Stack Developer

We are seeking an experienced Senior JavaScript Full-Stack Developer to build and evolve production web systems. You will deliver accessible, high-performance UIs and reliable JVM- and TypeScript-based services on cloud infrastructure. Apply to help shape and ship key platform capabilities!

Responsibilities

• Design full-stack solutions that meet product needs with clear trade-offs and scalable patterns
• Build TypeScript and React features with accessible UI patterns and strong client performance
• Develop backend services and shared libraries using Java or Kotlin on the JVM and TypeScript where appropriate
• Implement service-to-service communication using gRPC/protobuf and integrate HTTP/REST APIs
• Model and evolve data in DynamoDB and PostgreSQL to support product features and reliability
• Operate effectively within AWS environments, containers, and CI/CD pipelines to ship safely
• Write and maintain unit, integration, and end-to-end tests to protect quality and delivery speed
• Coordinate cross-team technical decisions and drive design reviews to align implementations
• Improve observability and debuggability through structured logging and tracing practices
• Document architecture, interfaces, and operational guidance to support long-term ownership

Requirements

• 3+ years of full-stack web engineering experience shipping production systems
• Proficiency in TypeScript and React, including state management
• Deep knowledge of UI accessibility patterns and browser performance optimization
• Solid backend skills in Java or Kotlin on the JVM, or TypeScript for shared libraries
• Extensive experience with gRPC + protobuf, HTTP, and REST
• Hands-on data modeling experience with DynamoDB and PostgreSQL
• Practical cloud platform experience using AWS, containers, and CI/CD as a consumer
• Rigorous testing discipline across unit, integration, and end-to-end tests
• Excellent collaboration and communication skills across teams
• Clear technical writing skills for designs and operational runbooks
• Upper-Intermediate English proficiency (B2)

Nice to have

• Cross-platform mobile framework experience such as React Native, Kotlin Multiplatform, Flutter, or Capacitor
• Authentication and identity systems knowledge, including OAuth, OIDC, SSO, and third-party providers
• Experience with OpenTelemetry and structured logging tooling
• Experience building design systems and shared component libraries
• Familiarity with authoring tools, CMSes, or internal back-office applications