We are expanding our software organization with a Senior Full Stack Developer (JS) who has substantial experience in artificial intelligence. The role focuses on building high-impact technology that resolves sophisticated challenges at scale. You will work in an energetic environment where teams share ideas, uphold quality, and develop new capabilities together. Your work will help guide core platform decisions and bring key product improvements from vision to launch

Responsibilities

- Lead the development and implementation of durable web platforms using contemporary JavaScript stacks and AI-based functionality
- Align with product teams, visual designers, and data experts on scope, system constraints, and measurable success criteria
- Optimize browser-facing features and server operations to deliver responsive performance and seamless customer journeys
- Incorporate machine learning capabilities and cognitive services into production workflows with security embedded throughout
- Maintain code quality by writing clear implementations, comprehensive technical notes, and maintainable solutions
- Create and execute a layered test strategy that validates units, integrated components, and full application journeys
- Improve release velocity through effective administration of build pipelines, CI systems, and automated engineering processes
- Foster technical development among junior and intermediate colleagues through mentoring and actionable review feedback
- Analyze intricate technology issues across infrastructure and services, then restore stable system operation
- Take part in platform roadmap sessions and advocate for forward-looking architectural improvements

Requirements

- Three or more years of hands-on software development experience showing growth in leadership and technical accountability
- Comprehensive knowledge of designing applications across both frontend interaction layers and backend infrastructure




- Deep familiarity with artificial intelligence principles, machine learning integrations, and smart software features
- High-level proficiency in JavaScript for developing rapid, interactive web products and non-blocking processes
- Practical React experience with component-oriented development and advanced state-management approaches
- Strong Node.js capability for asynchronous API development, service scalability, and distributed microservice design
- Experience applying Python to analytical data work, AI engine connectivity, or server-side helper development
- Knowledge of Java for integrating enterprise environments and maintaining robust service architectures
- Familiarity with Go for building performant concurrent services and utility packages
- Ability to write dependable automated tests and quality checks using Testify
- Experience managing Webpack to organize bundles, improve delivery performance, and separate application code
- Working knowledge of Jest for testing modern JavaScript functionality and validating snapshots
- Practical experience setting up Karma for cross-browser test execution
- Familiarity with Mocha for asynchronous code validation and customizable assertion design
- Experience automating compilation, minification, and routine build activities with Gulp
- Exposure to Grunt-based projects involving legacy automation scripts and task configurations
- B2-level English or higher, with the ability to communicate effectively in a globally distributed setting

We offer

- International projects with top brands
- Work with integral 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

📌 Senior Full Stack Developer (JS) (Argentina)
🏢 EPAM Systems
📍 Argentina