Built web-integrated tools to replace legacy systems, streamlining workflows for scalability and efficiency. Delivered robust, maintainable code while leading collaborative projects in Agile environments. Developed full-stack applications that seamlessly connect databases like PostgreSQL and MongoDB and designed cost-effective cloud solutions using AWS, optimizing performance and reducing infrastructure costs.

• Educator for Technical Schools (YH)
  Designed and taught curricula for full-stack JavaScript development, integrating AWS cloud services and modern frontend frameworks like React and Vue.
• Freelance Cloud Solutions Engineer
  Delivered scalable, cost-efficient AWS solutions, leveraging rigth sizing companies to see what tools will meet client needs such as: Lambdas, EC2, Elastic Beanstalk, CodeGuru and Amplify, while reducing costs.
• Freelance Web Developer
  Redesigned websites to enhance user experience and functionality, to improve SEO and faster load-times.
• Full-Stack Engineering Intern at Hitta.se
  Built and modernized services with Node.js, React, and TypeScript, incorporating automation tools like headless testing for robust workflows.

• Frontend: React, Vue, JavaScript, TypeScript
• Backend: Node.js, Express, Rust, Go, C#
• Cloud: AWS (Certified Cloud Practitioner), Lambda, EC2, S3, Docker
• Databases: PostgreSQL, MySQL, MongoDB
• Other: Version Control (Git), Agile, SCRUM, CI/CD

• Organized and efficient project management
• Experienced mentor and public speaker, delivering technical concepts with clarity

Explore my certifications, projects, and technical achievements:
📧 Reach me at johan@jhellberg.com