Senior Fullstack Engineer

Employer · greehill

Software developerWeb and multimedia developerApplications developerFull-time

Budapest

We are looking for a Senior Fullstack Developer, who is developing our leading digital smart city platform. Apply your skills, knowledge and creativity to shape our cloud-based smart city platform with cutting edge frontend and backend solutions such as representation of very high-resolution panoramic images, 3D data visualization and complex analytic calculations.

Tasks

  • Participating in our backend and frontend development efforts, where high-performance and speed play vital role
  • Cooperate with our product team (UX, UI, Product management)
  • Building and coding backend in Node.JS, frontend in React in a complex web application.
  • Participating in/ conducting code reviews.
  • Providing robust and stable code, applying performance tests.
  • Providing professional guidance for less experienced developers according to seniority level.
  • Having ownership of our backend and frontend code with freedom of innovation.

Requirements

  • 5 years of experience in Node.JS and React.
  • Strong TypeScript knowledge.
  • Experience in GitHub and CI/CD flows.
  • Experience with SQL databases.
  • Proven track record of implementing high-performance systems
  • Expertise in building scalable applications, while considering security aspects.
  • High-performing professionals who take ownership and have a can-do & self-starter attitude.
  • Fluency in English (written and oral)

Posted Oct 21, 2026 · Updated 13 days ago · 0 views