With many years of experience and endless passion in building search and analytics applications based on Elasticsearch, I bring unique search experiences for your products.

  • Application architecture, design and development
  • Performance Optimizations
  • Tuning Elasticsearch clusters
  • Monitor, management and troubleshooting


With deep understanding of Elasticsearch stack, I also provide Elasticsearch training.

  • Basic and advance training
  • Workshop, hands-on exercises
  • Install, configure, manage and scale

What my clients say

  • Dang Phan Product Manager at

    “Duy helped solve our problem. As our product is growing, we need a new scalable and high performance search service for our complex data structure. Duy helped to architect our Elasticsearch service in the best way, which has resulted in a much better service for our clients. Everyone was happy with the end result.”
  • Nick Herford Founder at

    “Outstanding performance by Duy. He's the master of Elasticsearch. What's more, he was very responsive, polite, professional and has perfect command of the English language. I wouldn't hesitate one second to hire him again.”
  • Atul Signh Founder & CEO at

    “Duy is a perfect professional! He understands the inner workings of Elasticsearch system and was able to figure out our codebase and then make changes to it so that the performance was improved very quickly! He delivers on time and is always available and he always provides options for us to further improve the system.”
  • Salman Jaffer Head of Data Science at Sentifi AG

    “Duy is a highly skill and competent technical expert. He has deep understanding of his domain of expertise and relates this technical domain knowledge quickly to business problems. Duy is a highly intelligent individual who can think clearly and always suggests pragmatic solutions. He has high levels of standards which he readily shares with his colleagues. Duy enjoys training and mentoring others and we look forward to working with him in the future.”