Senior Full Stack Developer (JS)

EPAM Systems; Argentina; On-site; ARS 3,000,000 - 6,000,000; Full time

Benefits offered by this job

Healthcare benefits

Global projects

Career development

Job summary

EPAM Systems is seeking a Senior Full Stack Developer (JS) with deep AI knowledge to join our engineering team. You will shape core architecture and drive feature delivery from conception to release in a fast-paced environment.

You will lead architecture decisions, collaborate with product designers and data scientists, and ensure robust, scalable web platforms. Strong JS, React, Node.js, and AI experience are essential.

Qualifications

• Three+ years in professional software development with leadership responsibilities.
• Deep understanding of full stack engineering combining UI/UX with backend systems.
• Strong knowledge of AI concepts, algorithmic integrations, and intelligent features.
• Excellent JavaScript skills for high-speed, interactive web platforms.
• Extensive experience with React for modular UI and complex state management.
• Server-side expertise with Node.js for scalable asynchronous APIs and microservices.
• Experience with Python for data manipulation or AI-system integration.
• Familiarity with Java for enterprise-style service topology and Go for high-throughput microservices.
• Proven practice writing unit tests using frameworks like Jest, Mocha, Karma, and Testify.
• Hands-on exposure to modern build tools (Webpack, Gulp, Grunt) and test automation.

Responsibilities

• Direct the architecture and rollout of resilient web platforms with modern JavaScript and AI features.
• Collaborate with product designers and data specialists to define scope and technical parameters.
• Tune frontend and backend components for peak performance and user experience.
• Embed neural networks and cognitive utilities into production environments.
• Maintain clean, well-documented source code following industry standards.
• Build and execute testing strategies including unit, integration, and end-to-end tests.
• Lead CI/CD pipelines and automate build processes for faster delivery.
• Mentor junior/mid developers through code reviews and knowledge sharing.
• Diagnose and fix complex system issues across the stack.
• Participate in architectural roadmap discussions and forward-thinking tech strategies.

Skills

JavaScript

Full stack engineering

AI concepts

Leadership

English proficiency

Tools

React

Node.js

Python

Java

Go

Webpack

Jest

Mocha

Karma

Grunt

Gulp

Testify

GraphQL

Job description

We are seeking a talented Senior Full Stack Developer (JS) with profound artificial intelligence knowledge to join our dynamic team. Our engineering department excels at creating revolutionary technology products that efficiently resolve challenging consumer problems at scale. We prioritize cooperative creativity, high technical standards, and ongoing professional development in an energetic setting. Joining our group allows you to shape the trajectory of our core architecture while leading pivotal feature creation from conception to release.

Responsibilities

• Direct the architecture and rollout of resilient web platforms by integrating modern JavaScript environments with advanced automated intelligence functionalities
• Collaborate closely with multidisciplinary product creators, visual designers, and data specialists to establish project scope and technical parameters
• Tune client-facing interfaces and backend services to achieve peak velocity, smooth user interaction, and swift system reactivity
• Embed state-of-the-art neural networks and cognitive utilities securely into live production environments
• Author clean, easily maintainable, and comprehensively annotated source code that complies strictly with recognized industry conventions
• Formulate and execute rigorous testing frameworks encompassing unit, integration, and end-to-end verifications to guarantee optimal software dependability
• Establish, manage, and optimize bundling sequences, continuous integration pipelines, and routine automation for accelerated delivery cycles
• Mentor junior and intermediate programmers through insightful peer code reviews and encourage an environment of continuous technical improvement
• Identify, isolate, and rectify complex operational faults spanning the entirety of the system infrastructure
• Engage in macro-level architectural roadmap meetings and advance forward-thinking technical strategies across the organization

Requirements

• Minimum tenure of three years in professional software creation displaying progressive responsibility and leadership in technical roles
• Comprehensive comprehension of full stack engineering methodologies, uniting interactive presentation layers with powerful backend infrastructure
• Deep theoretical insight and practical familiarity with artificial intelligence concepts, algorithmic integrations, and intelligent feature design
• Advanced fluency in JavaScript for engineering interactive, high-speed web platforms and non-blocking asynchronous processes
• Extensive practical involvement utilizing React to construct modular user interface components and administer complex state management patterns
• Robust server-side construction competence using Node.js to engineer scalable, asynchronous APIs and distributed microservice networks
• Demonstrated practice employing Python for analytical data manipulation, bridging AI systems, or developing server utilities
• Prior exposure to Java geared toward tying together enterprise software solutions and maintaining stable service topologies
• Working familiarity with Go for programming high-throughput, concurrent backend microservices and utility packages
• Hands-on background drafting reliable unit tests and validation checks employing Testify
• Proficiency handling Webpack for sophisticated module bundling, code partitioning, and performance optimization
• Familiarity deploying Jest to run contemporary JavaScript unit tests and snapshot validations
• Practical exposure configuring and executing the Karma test runner across multiple web browsers
• Working knowledge of Mocha for adaptable asynchronous code testing and assertion formulation
• Experience automating build procedures, asset minification, and compilation tasks through Gulp
• Exposure to Grunt for maintaining legacy build automation scripts and project task routines
• Professional English language proficiency at a B2 grade or higher to facilitate seamless communication within a distributed global team

Nice to have

• Background taking part in open-source artificial intelligence projects or contributing to community-supported machine learning codebases
• Practical working knowledge of cloud computing environments like Amazon Web Services, Google Cloud Platform, or Microsoft Azure for hosting containerized applications
• Exposure to contemporary database engines such as PostgreSQL, MongoDB, or Redis designed for high-speed information persistence
• Familiarity with GraphQL for building adaptable and streamlined client-server data retrieval layers
• Prior experience applying security hardening protocols and performing vulnerability audits across web platforms

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