Senior Full-stack JavaScript Developer

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.
We are looking for a Senior Full-stack JavaScript Developer to join our team in Romania. In this role, you will design and deliver scalable full-stack applications while collaborating with cross-functional teams to bring high-quality user experiences to life.
Responsibilities
Design, develop and maintain scalable full-stack applications
Work with other project team members (UI designers, developers, system and testing engineers) throughout the product development, testing and implementation phases to ensure user interface integrity
Work with customers (project management, content editors) to implement the envisioned functionality
Provide estimates for how much time it will take to complete the defined layout /development tasks
Write clean, efficient and well-documented code following industry best practices
Document the implementation and work products
Observe the quality rules during the project, supply the QA Leader with upcoming ideas
Conduct code reviews and supervise other developers
Participate in SCRUM ceremonies and lead technical meetings
Stay up to date with emerging technologies and advocate for best practices in full-stack development
Requirements
5+ years of relevant work experience
Advanced knowledge and experience in Typescript/JavaScript/CSS/HTML
Advanced knowledge and experience in Angular/React and Node.js
Strong knowledge and experience in TDD, Unit testing and performance testing
Knowledge and experience in Server-side rendering (Next.js, Angular Universal, NuXT)
Work experience with databases (SQL, NoSQL) and cloud technologies (Azure, GCP or AWS)
Have an overview of common application architectural patterns (microservices, microfrontend, BFF pattern)
Strong knowledge of programming paradigms (OOP and Functional Programming)
Good communication and problem-solving skills in English as well
Be dedicated to implementation of high-quality web user interfaces
Solid understanding of LLM concepts, prompt engineering techniques (one-shot/few-shot prompting), MCP fundamentals (tools/resources) and AI output evaluation/grading methodologies
Nice to have
Hands-on experience with AWS Bedrock, AWS AgentCore, LangChain, LangGraph or similar AI agent orchestration frameworks and platforms
We offer
Full access to cutting-edge tools and technologies
Competitive compensation depending on experience and skills
All-around Social package: professional & soft skills training, medical & family care programs, sports
Free English classes
Unlimited access to LinkedIn learning solutions
Continuous experience exchange with experts and professionals worldwide
Friendly team and comfortable working environment
Engineering, corporate, and social events within and outside the Company
Flexible working schedule
Opportunities for self-realization

Work arrangement
Yes