Harish Kumar Rajasekaran DSA, Java, MERN, LLD, HLD, Databases, CN, OS
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Dynamic tech professional with 6+ years of hands-on experience in fast-paced startups, now thriving as a Senior Software Engineer at PayPal. Passionate about empowering aspiring developers through expert training in Java, Data Structures & Algorithms (DSA), MERN Stack (MongoDB, Express.js, React, Node.js), and Databases (SQL/NoSQL).I specialize in breaking down complex concepts into actionable skills, helping students and professionals ace coding interviews, build scalable applications, and excel in real-world projects. From mastering efficient algorithms to deploying full-stack MERN apps, my startup-honed approach emphasizes practical problem-solving, clean code, and industry best practices.Whether you're a beginner aiming for your first tech job or a mid-level engineer leveling up, join me to transform your career—let's code the future together!

Subjects

  • MERN Beginner-Expert

  • Java & Data Structures and Algorithms Beginner-Expert

Experience

  • Senior software engineer (Sep, 2025–Present) at PayPal

Education

  • Oracle certified Java Associate (Jan, 2021–now) from OCJA-11
  • B.Tech (Aug, 2016–Aug, 2020) from SRM VALLIAMMAI ENGINEERING COLLEGE

Fee details

    ₹500–2,000/hour (US$5.26–21.05/hour)

    Depends on the content, travelling

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