About us

We fuse Silicon Valley culture with Sri Lankan engineering talent

Formed in 2002 when the founder moved back from Silicon Valley, Calcey embodies the best of both worlds, with high-skilled, driven engineers working in concert with a host of global clients to build world-beating products.


Our team of 140+ software specialists bring passion and ownership to their work and we always, always deliver. Our team is made up of top talent from industry and leading universities who thrive in a culture of high achievement and mutual support.


Calcey’s management team consists of former executives from global technology firms such as Nortel and LSEG as well as multiple former startup founders.

  • Mangala Karunaratne

    Founder & CEO
  • Gehan Dias

    General Manager
  • Pete Deemer

  • Dhanushka Jayatilake

    Principal Software Architect
  • Ishara Walpola

    Director - People and Culture
  • Asela Mahatma Arachchi

    Vice President - Product Engineering
  • Manjula Tilakarathne

    Director - Project Management
  • Kumar Sugunackumar

    Director - Finance and Administration
  • Mudith Uswatta

    Director - Business Development


Our development teams operate from our headquarters in Sri Lanka’s premier innovation park, located in the heart of the capital city, Colombo. Our office space is a reflection of our culture; open, modern and fun.

Sri Lanka

We are a proudly Sri Lankan company. Sri Lanka was ranked Outsourcing Destination of the Year in 2019 by the Global Sourcing Association. It’s also a tropical paradise, ranked the #1 Global Travel Destination of 2019.


We give back to the community by actively driving and participating in IT-related projects and welfare projects across Sri Lanka. We encourage our people to volunteer their time and effort to community initiatives and support the initiatives as a corporate.


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