Duo Software Private Limited

Colombo, Sri Lanka : September 2004 – September 2014

Looked after the overall development of Duo Contact (Contact Center Management System). Providing technical advice and consultancy to clients and management on matters of technical architecture infrastructure developments, including their feasibility.


  • Producing coherent technical proposals that meets the customer requirements.
  • Designing and specifying medium and large software systems.
  • Debugging, reuse, source code management strategies and release management.
  • Building relationships with clients, technical teams and external contractors.
  • Managing development of documentation to meet client expectations.
  • Architecting and designing software solutions for various problem types.
  • Working on high volume transaction systems and Multi-threaded Applications.


1. Duo Contact – Total Contact Center Management System Including IVR, ACD, Agent Console, Supervisory Console, Call Recording, Call Monitor

2. Duo CRM – Total Customer Relations Management System

3. Campaign Management System –Manage Email, SMS, Voice, USSD Campaigns


1) Hutch Contact Center Implementation

2) Singer Sri Lanka Contact Center Implementation

3) Digital Entertainment Network (DEN)- India Contact Center Implementation

4) BOC Contact Center Implementation

5) Sri Lankan Airline Contact Center Implementation.

6) CableCom- India Contact Center Implementation

Wasantha Gajanayaka

A multi-skilled IT personnel with comprehensive over 11 years’ experience of designing, developing and deploying architectures and infrastructure for software applications.

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