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

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, systems, 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

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

We offer

• Career development opportunities with a transparent career path
• Wide range of professional trainings, workshops, and mentoring programs plus unlimited access to LinkedIn Learning
• Learning resources and financial support for completing certification programs
• Christmas and Vacation bonus
• Corporate Health Insurance (basic and supplementary)
• Free yearly medical check-ups
• 25 days of vacation

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential. Thank you for your interest in this position. Please note that only candidates whose experience closely matches the job requirements will be contacted. If you do not receive an email from us, please do not be discouraged—feel free to apply for other positions that better align with your experience. If you have any questions, you can reach us at jobscroatia@epam.com.