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Senior Full-stack JavaScript Developer

EPAM Systems


Job Location:

Budapest - Hungary

Monthly Salary: Not provided by the employer
Posted: 9 September 2026 (5 hours ago)
Application Deadline: 7 December 2026
Vacancies: 1 Vacancy

Job Summary

We are looking for a Senior Full-stack JavaScript Developer to join our team 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.

This position offers a hybrid model of work 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 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 and
  • Strong knowledge and experience in TDD Unit testing and performance testing
  • Knowledge and experience in Server-side rendering ( 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

Required Experience:

Senior IC