Ranjeewa Weerasinghe

info@ranjeewa.com  |  503.984.1792  |  Portland, OR



Experienced technologist with exposure to entire project lifecycle, from proposal writing to production support. Experienced in early-stage startups, non-profits, and Fortune 100 companies. Proponent of lean & agile methodologies and test-driven development. Track record of leading projects to successful completion.



Skyward, A Verizon company

Lead Java Engineer

November 2017 to date


Jama Software

Technical Lead

October 2011 to February 2017



Architect (contract)

September 2010 to August 2011

First technical hire in this financial products start-up. Advising the founders on technology & platform strategy. Establishing development practices for technical hires. Creating hybrid cloud infrastructure with AWS for development and deployment. Implementing proof-of-concept applications. Hiring and leading technical teams.

Collaborative Software Initiative

Core Developer

January 2010 to August 2010

CSI builds and deploys enterprise software products using a unique collaborative approach and open source technologies.


Liberty Mutual Insurance Group


April 2007 to January 2010

Liberty Mutual is the sixth largest P&C insurer in the United States and a Fortune 100 company.


ACS Government Solutions Group

Technical Architect/ Technical Lead/ Senior Software Engineer

October 2002 to April 2007

ACS is a Fortune 500 BPO company. Its Government Healthcare Solutions group develops and maintains enrollment/eligibility processing systems for Medicaid & CHIP programs in many states.

Association of American Medical Colleges

Systems Developer – Enterprise Apps

May 2001 - October 2002

Developer in charge of CurrMIT – online curriculum management tool used by every US and Canadian medical school. Prototyped next-generation medical college application system using Jini and JavaSpaces to synchronize remote, disparate databases.

WebMD Corporation

Senior Software Engineer/Project Lead

January 1999 - January 2001

Led geographically dispersed teams in implementing projects for WebMD consumer health portal. Involved in all stages of design and development, including product specification, architectural design, implementation, and test plan creation.

Sapient Health Network (acquired by WebMD)

Senior Software Engineer

November 1996 - January 1999

Key member of technical team as company progressed from venture-driven start-up phase, through several revisions of business objectives until acquisition by WebMD.


Education & Certifications 

MS Computer Science (August 1996)

Purdue University, West Lafayette, IN

BS Computer Science (May 1993)

University of Houston, Clear Lake, TX

Coursera (December 2014)

Functional Programming Principles in Scala

Project Management Professional (PMP) (March 2007) 

Project Management Institute