Our software group seeks a Senior Full Stack Developer (JS) with substantial knowledge of AI and machine learning. You will work on high-impact digital solutions that address complex scenarios across a broad user population. We provide a collaborative environment where engineering quality, creative problem-solving, and professional development are central priorities. This role offers significant influence over platform evolution and the end-to-end realization of product features

Responsibilities

- Design and deliver robust online platforms that combine JavaScript-based development with advanced intelligence features
- Partner with product stakeholders, visual design teams, and analysts to agree on technical scope and functional targets
- Optimize service architecture and user interfaces to deliver smooth interactions, rapid responses, and consistent performance
- Implement machine learning capabilities and cognitive tools in live systems with security built into the integration process
- Produce maintainable software that is clearly documented, consistently structured, and aligned with recognized coding standards
- Ensure product dependability through rigorous unit, integration, and end-to-end validation activities
- Configure and continuously improve build orchestration, integration pipelines, and automation processes for faster deployments
- Develop team capability by offering actionable code-review feedback and coaching to junior engineers
- Troubleshoot intricate issues across the technology stack and restore stable system operation




- Take an active role in strategic architecture conversations and help advance modern engineering standards

Requirements

- No fewer than three years of software engineering practice with growing responsibility for technical outcomes
- Thorough expertise in full stack solution design across frontend user experiences and scalable backend systems
- Advanced practical and conceptual command of artificial intelligence, algorithm integration, and smart feature creation
- Mastery of JavaScript for fast-loading web products, interactive behavior, and asynchronous operations
- Proven React experience in assembling component-oriented interfaces and administering complex UI states
- Strong Node.js development ability for high-volume asynchronous APIs and service-oriented architectures
- Hands-on Python experience for data operations, AI connectivity, and backend-support utilities
- Prior familiarity with Java for enterprise application interoperability and reliable service construction
- Understanding of Go for writing high-throughput concurrent services and developer-focused tools
- Practical experience using Testify to write reliable test coverage and validation routines
- Skill in applying Webpack to bundle assets, divide packages, and tune application performance




- Experience using Jest to verify JavaScript behavior with automated testing
- Background operating Karma test runners across varied browser contexts
- Familiarity with Mocha for versátil asynchronous testing and assertion design
- Experience leveraging Gulp for build automation, code compression, and asset-processing workflows
- Knowledge of Grunt for maintaining older task-runner configurations and build scripts
- Fluent professional English at B2 standard or above for written and verbal international collaboration

Nice to have

- Experience contributing to community-driven AI repositories or publicly available machine learning projects
- Familiarity with cloud providers such as AWS, Google Cloud, and Azure for containerized service deployment
- Exposure to PostgreSQL, MongoDB, or Redis for high-speed application data management
- Knowledge of GraphQL for creating flexible client-server data retrieval mechanisms
- Experience conducting vulnerability assessments and implementing web application security controls

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

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