Senior JavaScript/Full-Stack Developer (React & Node.js) with Python and AI Experience

About the Position

We are looking for a versatile Software Engineer with a strong foundation in modern JavaScript/TypeScript (React and Node.js) development and advanced practical experience in Python, AI engineering, or both. The person should be able to design, build, deploy, and support production-grade solutions in a cloud environment. If you are looking to give your career a real boost with a global leader in digital transformation, EPAM is the perfect choice. If you’d like to learn more about this position and project, apply now.

Responsibilities

• Build or integrate AI-enabled components using Python and modern AI frameworks
• Develop LLM-powered applications, RAG pipelines, AI agents, or intelligent automation solutions
• Integrate AI services with existing JavaScript/Node.js applications, enterprise systems, APIs, and data platforms
• Implement intuitive, responsive user interfaces and robust backend services using React.js, Redux, Node.js, and modern JavaScript/HTML5/CSS
• Work with other project team members (UI designers, developers, system, and testing engineers) throughout product development, testing, and implementation phases to ensure UI integrity
• Work with customers (project management, content editors) to implement envisioned functionality and design specifications
• Provide estimates for how much time it will take to complete defined layout/development tasks
• Develop, enhance, maintain code and unit tests, and document implementation and work products
• Deploy and operate applications in AWS, Azure, or Google Cloud
• Observe quality rules during the project, supply the QA Leader with upcoming ideas, and conduct code reviews/supervise other developers
• Participate in SCRUM ceremonies, lead technical meetings, and use AI-assisted development tools responsibly while reviewing and validating generated output

Requirements

• 3+ years of professional software engineering experience
• Advanced knowledge and experience in React.js, Redux, and Node.js
• Advanced knowledge and experience in JavaScript/CSS/HTML5 web layout design, implementation, and programming paradigms (OOP and Functional Programming)
• Hands-on experience with cloud platforms (AWS required; Azure or Google Cloud is a plus)
• Strong knowledge and experience in TDD, Unit testing, performance testing, and clean code principles
• Dedication to implementing high-quality web user interfaces with good communication, problem-solving skills, and a good command of both written and spoken English

Nice to Have

• Advanced Python development skills, particularly for APIs, automation, data processing, or AI applications
• Ability to work across different technologies rather than remaining limited to a single language or platform

We Offer

• Diverse multicultural, multi-functional, and multilingual work environment
• Global scope, international projects in different business domains: life sciences and healthcare, retail, and distribution, software and hi-tech, etc.
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey
• Great learning and development opportunities, including in-house professional training, career advisory and coaching, sponsored professional certifications
• Knowledge-sharing with colleagues from EPAM's global tech communities
• 25 days holiday per annum
• 5 days of sick leave without medical certification
• Private health insurance for employees and discount for private health insurance for family members
• Discount for Fit Pass program
• Comfortable modern offices in Belgrade and Novi Sad or remote work from any location in Serbia
• Regular corporate, social and wellbeing events (parties, sport events, advanced CSR programs etc.)