Senior Javascript Full-Stack Developer (Java/Kotlin, React) …, Moreno

Responsibilities Build and evolve GraphQL APIs that support scalable client and server interactions Maintain multiple production systems through debugging, monitoring, and operational support Ensure services meet SLAs by improving reliability, incident response, and runbooks Evaluate and select technologies by comparing trade-offs across platforms and architectures Collaborate across teams to align system boundaries, integrations, and ownership Implement testing practices across unit and integration layers to protect production quality Improve observability with logging, metrics, and alerting to reduce time to detect and resolve issues Develop secure workflows for identity- or security-sensitive components Contribute to agile planning, estimation, and delivery to ship predictable outcomes Use AI-assisted development tools to improve productivity while maintaining code quality Requirements Experience building web UIs with ReactJS Hands-on experience with Java or Kotlin in production systems Practical experience designing and consuming GraphQL APIs Proven experience supporting multiple production systems with debugging and on-call operational support Ability to evaluate and select technologies while understanding trade-offs between platforms and architectures Solid project delivery skills working in an agile environment and meeting defined SLAs Strong systems thinking across teams and dependencies in a large-scale organization Strong understanding of identity-or security-sensitive system constraints Knowledge of testing, observability, and monitoring practices (logging, metrics, alerting) Experience with Amazon Web Services and Google Cloud Platform Familiarity with AI-assisted development tools and workflows Strong communication and collaboration skills across engineering and partner teams We offer International projects with top brands Work with general teams of highly skilled, diverse peers Employee financial programs Paid time off and sick leave Upskilling, reskilling and certification courses Unlimited access to the LinkedIn Learning library and 22,000+ courses Global career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn #J-*****-Ljbffr Postúlate en Kit Empleo: kitempleo.com.ar/empleo/pnwyw