We invite an experienced Senior Full Stack Developer (JS) with deep artificial intelligence expertise to join our technology group. You will work on scalable digital experiences designed to address complex problems for diverse users. Our engineers collaborate closely, maintain demanding quality standards, and actively invest in learning and improvement. The position offers the chance to shape core platform capabilities and oversee important feature work from planning through deployment

Responsibilities

- Create and deliver resilient web systems that unite JavaScript-based development with sophisticated machine learning technologies
- Collaborate with cross-functional product partners, interface designers, and analytics professionals to define functional priorities and technical specifications
- Enhance the speed, responsiveness, and usability of frontend modules and server-side components
- Securely introduce advanced AI models and cognitive tooling into operational web environments
- Write maintainable source code supported by meaningful documentation and consistent adherence to coding principles
- Execute comprehensive software testing across component, service-integration, and complete workflow levels
- Configure and improve build orchestration, release processes, and automated engineering routines for faster delivery
- Develop junior and mid-level engineers through mentoring, thoughtful code reviews, and a culture of technical learning
- Diagnose system-wide production incidents, isolate underlying issues, and implement effective remediation
- Engage in architectural planning activities that advance technology modernization throughout the wider engineering organization

Requirements





- Professional background of no less than three years in software development, showing growth in technical accountability
- Thorough mastery of full stack application development across dynamic browser interfaces and robust backend infrastructure
- Extensive applied knowledge of artificial intelligence, intelligent feature design, and machine learning-powered integrations
- Advanced fluency in JavaScript for high-performing web solutions and asynchronous execution patterns
- Extensive hands-on use of React for reusable UI composition and complex state coordination
- Proven server-side development skills with Node.js for scalable RESTful APIs, distributed architectures, and asynchronous processing
- Hands-on Python experience for analytical data manipulation, AI engine connections, or backend support services
- Familiarity with Java for integrating enterprise-grade systems and developing dependable service frameworks
- Knowledge of Go for producing efficient concurrent backend programs and developer utilities
- Practical background writing automated tests and assertions through Testify
- Skill in using Webpack for sophisticated asset compilation, code partitioning, and delivery optimization
- Experience leveraging Jest for contemporary JavaScript tests and snapshot verification
- Background operating Karma test runners across multiple browser platforms
- Familiarity with Mocha for adaptable asynchronous testing and assertion construction
- Experience automating builds, compilation routines, and asset minification using Gulp
- Understanding of Grunt for supporting legacy project automation and established build management
- English proficiency at B2 level or above in both verbal and written communication

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