Back to SearchLead Full-Stack JavaScript Engineer
Remote in Argentina, & 4 others
JavaScript (Fullstack)& 5 others
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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