Software Engineer for Front-End Development

Tallinn / Tartu / Estonia

Guardtime is looking for Software Engineer for Front-End Development

About Guardtime

Guardtime is a global company developing the core technology, applications, and tools for ensuring the integrity of systems, processes, and data, at a massive scale, in real-time. We started in 2007 with the goal of eliminating the need for trusted authorities within Estonian Government networks. Today our KSI Blockchain technology is applied in defense, telecom, health & life sciences, financial services, energy, government, and other areas.

About the Role

You will be working as a Software Engineer with a professional focus on web front-end development. You will be working closely with a rapidly growing development team to flesh out the client-facing side of our services and applications.


  • Develop new user-facing features
  • Build reusable code and libraries for future use
  • Ensure the technical feasibility of UI/UX designs
  • Optimize application for maximum speed and scalability
  • Assure that all user input is validated before submitting to back-end
  • Collaborate with other team members and stakeholders


  • Professional experience with developing web front-end software
  • Mastery of at least one modern web UI framework, e.g. React
  • Excellent knowledge of JavaScript and native Web APIs
  • Skill in writing semantic, accessible markup with HTML
  • Good knowledge of CSS, familiarity with good UX principles, design patterns, and frameworks
  • Knowledge of debugging and troubleshooting JavaScript applications
  • Passion for front-end web development and creation of performant, accessible applications
  • Willingness and interest to learn new frameworks, languages, and technologies
  • Preferably good knowledge of visualisation and animation frameworks, e.g. D3, Three.js, Paper




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