Lead 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 Lead Full-stack JavaScript Developer to join our team in Hungary.

This position offers a hybrid work model, with 3 days per week working from the office located in Budapest.

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, and 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

• 8+ years of relevant work experience
• Proven leadership experience
• Advanced knowledge and experience in Typescript/JavaScript/CSS/HTML
• Advanced knowledge and experience in Angular 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)
• Working experience with databases (SQL, NoSQL) and cloud technologies (Azure, GCP or AWS)
• Have an overview on 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 implement 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

• Dynamic, entrepreneurial corporate environment
• Diverse multicultural, multi-functional, and multilingual work environment
• Opportunities for personal and career growth in a progressive industry
• Global scope, international projects
• Widespread training and development opportunities
• Access to LinkedIn Learning solutions
• Competitive salary and various benefits
• Advanced wellbeing and CSR programs, recreation area

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