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

We offer

• International projects with top brands

• Work with global teams of highly skilled, diverse peers

• Healthcare benefits

• 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