Imagen de perfil de mandalpu
Bandera de India Hyderabad, India
Miembro desde el 3 de octubre de 2017
2 Recomendaciones


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I have over 20 years experience in Java and Databases side. I had managed Production environment for a top hedge fund and worked as a DB troubleshooter for top DB company. I am a expert Oracle and SQL Server DBA and can help you with issues involving DB Setup, Performance, Query Tuning and Programming. I also have extensive knowledge in Stock Market Domain and have written applications in Java and R. I can help code your trading strategies either in Amibroker, Java or Python. If you are looking for setting up automated trading by hooking your algos to Interactive Broker or Zerodha, I can help you with it.
$30 USD/hr
7 comentarios
  • 71%Trabajos finalizados
  • 17%Dentro del Presupuesto
  • 82%A tiempo
  • N/ATasa de recontratación


Comentarios recientes

  • imagen de Jonathan K. Options Analysis in MySQL and R $600.00 USD

    “Dhananjaya worked hard on a complex challenge involving a large database of option data which had to be stored and processed using several complex queries, which then had to be made available in R. He displayed a great deal of relevant technical and financial expertise and communicated effectively and professionally throughout the project. I will certainly use him again in future projects.”

  • imagen de David B. Algo Strategy Build Project for Dhananjaya R. USD $2671.56 USD

    “Good communicator, English is very good. Flexible and helpful ideas.”

  • imagen de Kiran Kumar V. Project for Dhananjaya R. ₹2000.00 INR

    “nice work Dhananjaya”

  • imagen de Sujoy B. Interactive Brokers API Using Python Experience MUST / Understand Quantconnect $50.00 USD

    “I liked his work. He understands the issue before he gives a solution. Very strong with his programming skills. I would hire him again.”

  • imagen de Avinash B. Project for Dhananjaya R. ₹8000.00 INR

    “As against 7 days commitment to finish the work. This freelancer did not even started the work after 11 days that too he has taken advance money to accept the project. When I cancelled the project because of inordinate delay to start the project, this guy has refused to refund the acceptance money. In other words, man run away with my money and did not even started the work, forget about completing it. Plain robbery. Does not deserve to be on [login to view URL]”

  • imagen de Sylvain L. Development of a data dowload application/service £600.00 GBP

    “Dhananjaya have been very pro active in defining the project in details and infered technical issues raised. He has been self-driven, took responsability for the completion of the project. He also has delivered the software in advance. It's been a pleasure to work with him, communication was ery easy and efficient. Will solicit his services again and recommend him as a great professional.”


Product Support Manager

Jun 2000 - Jun 2003 (3 years)

I was managing Oracle Database Support team for Asia Pacific and Europe. The team are excellent troubleshooters and handle any Requests logged by the end user. Apart from that, I have also worked in a Hedge fund for 7 years and was responsible for their entire SQL and Sybase databases. During this time I also picked up Java, R and Python and was involved in developing strategies for the traders



1994 - 1996 (2 years)


1990 - 1994 (4 years)


Certificate Course in Advanced Business Analytics using R (2015)

IIT Hyderabad

This is a case-study based course with extensive hands-on exercises using the R statistical software. Participants will develop a deeper understanding of concepts like classification, regression, time series forecasting, sentiment analysis, market basket analysis, clustering and usage of the R statistical software.

Oracle Certified DBA (2000)

Oracle University

The Oracle Certified Professional (OCA / OCP) Database Administrator (DBA) certification is designed to reflect proficiency in Oracle database architecture, installation, administration, performance tuning and troubleshooting. A series of exams revolving around Oracle Database must be passed in order to attain the current Oracle OCP DBA certification.


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