Full-Stack Engineer (React/Node.js) – Media & AdTech

Braver IT S.A.Bratislava, Gdańsk, Kraków, Sofia, Warszawanofluffjobspublished 10/21/2026
Must-have:TypeScriptReactNode.jsFrontendBackendFullstackCI/CDAIHealthTech

We are looking for a Full-Stack Engineer with a strong front-end focus to work on web solutions in the media and advertising space. You will work primarily with React and Node.js, with a focus on media experiences, web players, scalable content delivery, and video/image-related functionality.

What we offer:

  • Opportunity to work on technically interesting products at the intersection of web development, media, and advertising technology.
  • A front-end leaning role while still maintaining meaningful ownership across the full stack.
  • Opportunity to work with media-heavy applications, web players, and scalable content delivery.
  • Exposure to performance and scalability challenges beyond standard CRUD applications.
  • Opportunity to deepen your knowledge of the AdTech and digital media ecosystem.
  • High level of autonomy and influence over technical solutions.
  • Multisport card.
  • Private healthcare.

Daily tasks

  • Developing and maintaining modern web applications with a strong focus on React.
  • Building and improving backend services using Node.js.
  • Working on features related to video and image processing, media delivery, and web players.
  • Building responsive, performant, and maintainable user-facing functionality.
  • Improving application performance, reliability, and scalability.
  • Integrating front-end applications with backend services and APIs.
  • Working with media and advertising-related functionality across the application stack.
  • Contributing to technical decisions and suggesting improvements to existing solutions.
  • Writing clean, maintainable, and well-tested code.
  • Collaborating with other engineers and product stakeholders throughout the development process.
  • Participating in code reviews and supporting good engineering practices.

Requirements

Requirements:

  • Commercial experience in full-stack or front-end focused software development.
  • Strong hands-on experience with React.
  • Commercial experience with Node.js.
  • Strong understanding of modern web application development.
  • Experience integrating applications with APIs and backend services.
  • Good understanding of web performance and scalable application development.
  • Ability to independently solve technical problems and take ownership of delivered features.
  • Good communication skills and ability to work effectively with technical and product teams.

Nice to have:

  • Previous experience in AdTech, media, publishing, or digital advertising.
  • Experience working with video or image processing.
  • Experience developing or integrating web-based media players.
  • Experience working on high-traffic or large-scale web applications.
  • Understanding of media delivery and performance optimisation.
  • Experience with content-heavy or media-heavy applications.
  • Experience with advertising-related functionality or integrations.
  • Familiarity with browser performance optimisation.
  • Experience with TypeScript.
  • Experience with automated testing.
  • Experience with CI/CD environments.
  • Practical experience using AI-assisted development tools.

Must have: Node.js, React

Nice to have: TypeScript, AdTech