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Henri S. — Senior NodeJS Software Engineer from Indonesia

Henri S.

Senior NodeJS Software Engineer

Indonesia 6+ years
Open to offersNew to Platform
Languages
IndonesianEnglish
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About

Henri S. is a Senior Software Engineer with over 15 years of experience designing, building, and optimizing backend systems in industries such as education technology, property rental, digital marketplaces, and loyalty platforms. Serving as Tech Lead at Member.id, Henri contributed to the growth of a startup from 3 engineers to a scalable product supporting 300K+ registered members, architecting the transition from monolithic to microservices and leading a 12-member engineering team. He has hands-on experience with NodeJS (NestJS), distributed service architecture, database design, and production system optimization, and has managed CI/CD pipelines with Docker to ensure rapid deployments. Henri improved legacy J2EE platforms for PLN, supporting operations serving over 81 million+ electricity customers, and has delivered for global clients as a top-rated freelancer, specializing in backend development, API integration, and system scalability for educational and property management platforms.

Experience

  • NodeJS Developer / Senior Engineer / Technical Leader

    Member ID · 2016 — 2023
    Joined the startup early as a Full Stack Developer, advancing to Tech Lead, where I defined technical architecture and led a team of 12 engineers. Facilitated the transition from a monolithic system to four microservices, enhancing scalability and maintainability. Optimized the backend through refined database queries and caching techniques, which improved performance during a period of rapid growth.

  • Full Stack Drupal & NodeJS Developer

    Indosystem / Zaner-Bloser / Member.id · 2014 — 2016
    Contributed to the development of an online bookstore using Drupal Commerce, which supported the sale of over 80 educational products. Engaged with a small team at Member.id to build an admin dashboard and content management system with Node.js (Express.js), facilitating internal merchant data management.

  • Drupal Developer

    Redawning.com · 2013 — 2014
    Developed a pricing management system for a U.S.-based property rental provider built on Drupal, effectively integrating with over 50 property channels.

  • CodeIgniter Full Stack Developer

    Edukreasi.com · 2012 — 2013
    Created a digital purchasing and content delivery system for an educational marketplace while building system integration between a CodeIgniter marketplace and a legacy Delphi application, ensuring secure access to over 1,300 digital learning contents.

  • IT Support / J2EE Developer

    Sri Mukti Group / PLN (Perusahaan Listrik Negara) · 2011 — 2012
    Transformed an electric billing platform for PLN, which served over 83,794 Village Unit Cooperatives and support for over 81.5 million electricity customers. Progressed from IT support to managing the full technology stack, including code, databases, and web servers within six months.

  • Full Stack Web Developer

    Upwork Freelancer · 2011 — Present
    Engaged with global clients across multiple time zones, ensuring effective communication in English and delivering high-quality results, fostering client satisfaction and ongoing collaborations.

Skills & Expertise

Javascript DeveloperPHP DeveloperPersonal AssistantBackend DeveloperPower BI

Education

  • Bachelor of Information Technology
    Dian Nuswantoro University Semarang, Central Java, Indonesia