Senior JavaScript Full-Stack Developer

EPAM Systems; México; Remote; MXN 600,000 - 900,000; Full time

Job summary

EPAM Systems is seeking an experienced Senior JavaScript Full-Stack Developer to build production web systems. You will deliver accessible UIs and reliable JVM- and TypeScript-based services on cloud infrastructure, shaping key platform capabilities.

Responsibilities include designing full-stack solutions, building TypeScript/React features, developing backend services in Java/Kotlin, and integrating gRPC with REST APIs.

Qualifications

• 3+ years of full-stack web engineering experience shipping production systems.
• Proficiency in TypeScript and React with state management.
• Strong knowledge of UI accessibility patterns and browser performance optimization.
• Backend skills in Java or Kotlin on the JVM, or TypeScript for shared libraries.
• Experience with gRPC, protobuf, HTTP, and REST APIs.
• Data modeling experience with DynamoDB and PostgreSQL.
• Cloud platform experience using AWS, containers, and CI/CD.
• Rigorous testing across unit, integration, and end-to-end tests.
• Excellent collaboration and communication across teams.
• Clear technical writing for designs and runbooks.
• Upper-Intermediate English proficiency (B2).

Responsibilities

• Design full-stack solutions with scalable patterns and trade-offs.
• Develop TypeScript and React features with accessible UI patterns and performance.
• Build backend services using Java/Kotlin on the JVM or TypeScript for libraries.
• Implement service-to-service communication via gRPC/protobuf and HTTP/REST APIs.
• Model and evolve data in DynamoDB and PostgreSQL for features and reliability.
• Operate in AWS environments, containers, and CI/CD pipelines.
• Write and maintain unit, integration, and end-to-end tests.
• Coordinate cross-team decisions and drive design reviews.
• Improve observability with structured logging and tracing.
• Document architecture, interfaces, and operational guidance.

Skills

TypeScript

React

UI Accessibility

Browser Performance

Full-Stack Web

gRPC

HTTP/REST

AWS

CI/CD

Testing (Unit/Integration/E2E)

Communication

English Proficiency (B2)

Tools

DynamoDB

PostgreSQL

OpenTelemetry

Job description

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!ResponsibilitiesDesign full-stack solutions that meet product needs with clear trade-offs and scalable patternsBuild TypeScript and React features with accessible UI patterns and strong client performanceDevelop backend services and shared libraries using Java or Kotlin on the JVM and TypeScript where appropriateImplement service-to-service communication using gRPC/protobuf and integrate HTTP/REST APIsModel and evolve data in DynamoDB and PostgreSQL to support product features and reliabilityOperate effectively within AWS environments, containers, and CI/CD pipelines to ship safelyWrite and maintain unit, integration, and end-to-end tests to protect quality and delivery speedCoordinate cross-team technical decisions and drive design reviews to align implementationsImprove observability and debuggability through structured logging and tracing practicesDocument architecture, interfaces, and operational guidance to support long-term ownershipRequirements3+ years of full-stack web engineering experience shipping production systemsProficiency in TypeScript and React, including state managementDeep knowledge of UI accessibility patterns and browser performance optimizationSolid backend skills in Java or Kotlin on the JVM, or TypeScript for shared librariesExtensive experience with gRPC + protobuf, HTTP, and RESTHands-on data modeling experience with DynamoDB and PostgreSQLPractical cloud platform experience using AWS, containers, and CI/CD as a consumerRigorous testing discipline across unit, integration, and end-to-end testsExcellent collaboration and communication skills across teamsClear technical writing skills for designs and operational runbooksUpper-Intermediate English proficiency (B2)Nice to haveCross-platform mobile framework experience such as React Native, Kotlin Multiplatform, Flutter, or CapacitorAuthentication and identity systems knowledge, including OAuth, OIDC, SSO, and third-party providersExperience with OpenTelemetry and structured logging toolingExperience building design systems and shared component librariesFamiliarity with authoring tools, CMSes, or internal back-office applicationsWe offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedInEPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.