Senior Full Stack Engineer (JavaScript/Python)

EPAM·China·Офис·1 нед. назад

We are seeking a Senior Full Stack Engineer to build scalable web applications end to end. You’ll design Front-end experiences in JavaScript and TypeScript, deliver Python APIs and services, and improve quality, security and performance in cloud-native environments. You’ll also mentor engineers and partner closely with Product, QA and DevOps.

Responsibilities

Design and deliver full stack features across Front-end, API and data layers
Make architecture decisions for UI patterns, state management, API design and deployment
Build and maintain Python services including REST and GraphQL endpoints plus background processing
Develop accessible, high-performance user experiences with maintainable UI architecture
Raise engineering standards through reviews, refactoring, documentation and pragmatic patterns
Define and maintain testing strategy across unit, integration and end-to-end automation in CI/CD
Apply secure-by-design practices across authentication, authorization, secrets and dependency hygiene
Mentor engineers, support delivery rituals and improve production readiness through monitoring and incident support

Requirements

JavaScript and TypeScript hands-on experience delivering production web applications
Front-end frameworks experience with React, Angular, or Vue plus SPA patterns and state management
Python frameworks experience with FastAPI, Flask, or Django plus API design and error handling
Web fundamentals knowledge including HTTP, caching, browser behavior, security headers and profiling
Testing capability with modern toolchains such as Jest or Vitest plus Cypress, Playwright, or similar
Data stores experience with SQL databases such as PostgreSQL or MySQL and data modeling basics
CI/CD experience using GitHub Actions, GitLab CI, Jenkins, or similar with quality gates and promotions
Cloud delivery working knowledge of Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP) plus Docker and observability practices