Typically, need to analyze existing portlet and db tables. Integration and dependency with liferay api. Prepare list of plan for upgrade.
Relevant Skills and Experience
I'm Liferay Certified Developer with 10years liferay experience. I've recently done 2 upgrade for full portal from 6.1, 6.2 to liferay 7 and liferay dxp.
I've around 50+ liferay project experience.
Proposed Milestones
€555 EUR - On completion
Additional Services Offered
€250 EUR - Liferay Support and Maintenance for long term.
€250 EUR - Liferay Theme Development
Let discuss and see how i can help you.