Fix magento bug and customize magento store

I have 3 years of professional experience in developing and customizing a wide range of Magento e-Commerce websites( all versions ) which includes both front-end and backend development. Over last 3 years I have dealt with Magento projects of different complexity for start-ups and big companies as well.

My core competency lies in:-
- Customizing Magento Extensions
- Template Integration
- Template Customization
- Debugging
- Version Upgrades
- Integrating payment gateways
- Integrating shipping methods
- Integrating components
- Optimizing /Speeding up Magento
- Multi-store setups