Stefanescu Andrei
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Stefanescu Andrei

Stefanescu Andrei

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backend engineer
Romania

Contact Stefanescu regarding: 

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Full-time jobs
Starting at USD2.5K/month
Flexible work
Starting at USD15.5/hour
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Starting at USD100/month
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Résumé

Jobs verified_user 0% verified
  • P
    Backend Engineer(Node.js, Typescript)
    PlayUp Interactive Co, Inc
    Feb 2021 - Apr 2024 (3 years 3 months)
    • Achieved a 25% reduction in data retrieval time and a 60% improvement in system efficiency by optimizing MySQL queries and utilizing fewer servers, leading to enhanced overall performance and cost savings. Leveraged Python in backend construction to accelerate data processing speed by 56%. Resolved critical server-side database(PostgreSQL) and application errors within 72 hours. • Extensive experience in designing and developing scalable, high-performance RESTful APIs using Node.js, Express.js, other backend frameworks.
  • B
    Node.js Developer
    Bornfree Group
    Nov 2019 - Jan 2021 (1 year 3 months)
    Engineered scalable backend solutions using Node.js, improving web application • performance by 45% and reducing load times by 30%, directly contributing to a 20% increase in user retention. Facilitated cross-functional team collaboration using Git and Bitbucket, producing detailed project requirements and delivering solutions that boosted platform stability by 20% and user satisfaction by 15%. Optimized data storage and retrieval processes by integrating MongoDB databa ses, enhancing performance by 40% and boosting scalability to handle a 200% i ncrease in user data volume. Enhanced data retrieval efficiency by 20% for web applications by developing and optimizing RESTful APIs.
Education verified_user 0% verified
  • S
    SUTD
    Singapore University of Technology & Design
    Sep 2015 - Sep 2019 (4 years 1 month)
Projects verified_user 0% verified
  • S
    Social media plateform
    Jul 2022 - Nov 2023 (1 year 5 months)
    Boosted social media platform success through expert back-end development, • • database management, and system optimization. Directed Node.js team and led successful website creation, showcasing backend development. Orchestrated the end-to-end development of website with a scalable Node.js backend; improved load times by 30% and user retention by 20%, driving a 10% boost in overall site revenue