John Sun
Lotus Notes Domino Consultant

As a Dual Certified Lotus Professional (principal CLP) with 10 years of professional service, including 8 years of Notes/Domino, I provide Lotus Notes Domino consulting services in Great Toronto Area (GTA) and surrounding cities.

If you have a project, look for Lotus Notes support or need a Lotus Domino freelancer, please contact me at and I will respond to all messages as soon as possible.

Proud to be an IBM Business Partner

As an independent consultant in Toronto, I offers Lotus Notes/Domino consulting services for business worldwide. Together with my partners, I design, develop and deploy Lotus Notes/Domino based application, Internet and Intranet. Most of my clients are in Toronto and Buffalo area while others are all over the world. My consulting services could be provided onsite or offsite.

In 10 years of my practice in information technology, I have written numerous applications and software such as workflow, CRM, Intranet/Internet sites, HR management, Clinical Data Management and etc. I am the principal level of Certified Lotus Professional (CLP) for application development.

My Strength

Rapid application development (simple yet powerful)

Lotus Notes and Domino based Intranet/Internet application

Connection between Lotus Notes and other systems (data export or exchange with RDBMS such as Oracle, DB2 and SQL Server)

System migration and data conversion between Lotus Notes and other systems (such as Microsoft Exchange)