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JonnXor.is

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CV

Jón Agnar Stefánsson

Computer Scientist

Experience

    • Software Specialist
    • Advania, 2016 - 2024
      • Conducted code review processes.
      • Utilized Agile for project management.
      • Collaborated with cross-functional teams.
      • Provided mentorship to junior developers.
      • Automate deployments using CI/CD tools.
      • Frontend Development & API Integrations.
    • Teaching Assistant
    • Reykjavík University, 2016
      • Conducted weekly study sessions.
      • Assisted students with coursework.
    • Technician
    • Outcome, 2012 - 2014
      • Developed HTML marketing emails.
      • Computer maintenance & debugging.
      • Provided customer service & IT support.

Education

Certifications

Coming soon

Skills

  • Proficient in React and Typescript.
  • Agile/Scrum/Kanban methodologies.
  • Honorable, Fair, Viligant and stout of heart.
  • Continuous learner & retrospective thinker.
  • Expert knowledge of coding best practices.

  • Web

    Node.js ▪ React ▪ React Native ▪ CSS-in-JS
    Bootstrap ▪ Tailwind CSS ▪ Material UI
    NextJS ▪ Expo ▪ Astro ▪ Ionic

  • Programming Languages

    HTML ▪ CSS ▪ Javascript ▪ Typescript,
    Java ▪ C# ▪ .NET ▪ SQL

Projects

  • JonnXor.is ▪ Web development
    As Mantine developer with Jón Agnar.
  • Cata ▪ App development
    As React Native developer with Advania.
  • Digital Conference ▪ Web development
    As NextJS developer with Advania.
  • Smástund ▪ Cross-platform development
    As Ionic developer with Advania.
  • LiSA CMS ▪ Web development
    As full-stack developer with Advania.
  • Intranet projects ▪ Web development
    As contractor with Reykjavík Energy.
  • Arionbanki.is ▪ Web development
    As contractor with Arion bank.

Languages

  • Icelandic - Native Proficiency
  • English - Professional Proficiency
  • Japanese - Elementary Proficiency

Interests

Ancient history ▪ Heroes ▪ Myths ▪ Legends