Cristian Dumitru

Full Stack Developer at KryptonLabs
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Contact Information
us****@****om
(386) 825-5501
Location
Romania, RO
Languages
  • English -

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Credentials

  • Professional Scrum Master 1
    Scrum.org
    Apr, 2019
    - Oct, 2024

Experience

  • KryptonLabs
    • United States
    • Software Development
    • 1 - 100 Employee
    • Full Stack Developer
      • Dec 2020 - Present

      ● Frontend/Backend development in blockchain projects (Equalizer, LiquidStake) ● Smart Contract development (Staking, Yield Farming, Minting NFTs) ● Technologies: Solidity, Hardhat, Typescript, React, Node.js, NestJS, MySQL, Elastic Search ● Frontend/Backend development in blockchain projects (Equalizer, LiquidStake) ● Smart Contract development (Staking, Yield Farming, Minting NFTs) ● Technologies: Solidity, Hardhat, Typescript, React, Node.js, NestJS, MySQL, Elastic Search

  • Intralinks
    • United States
    • Software Development
    • 300 - 400 Employee
    • Full Stack Developer
      • Oct 2018 - Dec 2020

      ● Ported projects to Typescript and contributed to the adoption of Typescript in the team. ● Started and coordinated the project theming process. ● Researched and proposed a Test Management tool. ● Technologies: TypeScript, React, Redux, Node.js, Express.js, MongoDB, SASS, Jenkins. ● Ported projects to Typescript and contributed to the adoption of Typescript in the team. ● Started and coordinated the project theming process. ● Researched and proposed a Test Management tool. ● Technologies: TypeScript, React, Redux, Node.js, Express.js, MongoDB, SASS, Jenkins.

  • ETS Global B.V.
    • Netherlands
    • Education Management
    • 100 - 200 Employee
    • Full Stack Developer
      • Feb 2017 - May 2018

      ● Developed a website where B2B users can order tests. ● Analysed and estimated over 30 tasks. ● Prepared and presented sprint reviews. ● Boosted user experience by 40% by using Observables. ● Reduced page loading time by 25% by creating and using thumbnails for each picture. ● Stored all files in Amazon S3. Improved the APIs response time by 30%. ● Technologies: TypeScript, Angular 4, PHP, Symfony, AngularJS, MongoDB, MySQL, RabbitMQ, Amazon S3, Jenkins. ● Developed a website where B2B users can order tests. ● Analysed and estimated over 30 tasks. ● Prepared and presented sprint reviews. ● Boosted user experience by 40% by using Observables. ● Reduced page loading time by 25% by creating and using thumbnails for each picture. ● Stored all files in Amazon S3. Improved the APIs response time by 30%. ● Technologies: TypeScript, Angular 4, PHP, Symfony, AngularJS, MongoDB, MySQL, RabbitMQ, Amazon S3, Jenkins.

  • eMAG
    • Belgium
    • 1 - 100 Employee
    • PHP Developer
      • Jul 2014 - Feb 2017

      ● Served as a Backend Developer on the Order Management team. ● Integrated web services to communicate with external platforms. ● Created RESTful API endpoints using PHP and Symfony. ● Provided technical support during User Acceptance Tests and Go Live. ● Resolved 100+ bugs in production to improve performance. ● Decreased the process time by 20% by rewriting the old features. ● Technologies: PHP, Symfony, JavaScript, jQuery, MySQL, RabbitMQ ● Served as a Backend Developer on the Order Management team. ● Integrated web services to communicate with external platforms. ● Created RESTful API endpoints using PHP and Symfony. ● Provided technical support during User Acceptance Tests and Go Live. ● Resolved 100+ bugs in production to improve performance. ● Decreased the process time by 20% by rewriting the old features. ● Technologies: PHP, Symfony, JavaScript, jQuery, MySQL, RabbitMQ

Education

  • University of Bucharest
    Bachelor's degree, Computer Science
    2012 - 2016

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