Senior Full-stack JavaScript Developer

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 Agent.

Core, Lang. Chain, Lang. Graph or similar AI agent orchestration frameworks and platforms