Graphic designers
Website designers
Mobile app developers
Software developers
3D artists
Illustration
Other popular skills
Working with international freelancers
Where to find the best developers
Do you need a local freelancer?
Building an international team
Featured jobs
Explore our current list of excited top featured projects.
Find contests
Unleash your talent and find freelancer contests to enter.
Website jobs
Graphic design jobs
Data entry jobs
Mobile app development jobs
Internet marketing jobs
Local jobs
Other popular jobs
Find work in different languages
Enterprise
Power your competitive advantage with Freelancer Enterprise.
Field Services
Deliver expertise anywhere in the world at scale - on demand.
AI for business
Let experts in the latest AI technology transform your business.
Freelancer products
Innovation Challenges
Turn challenges into breakthroughs with the largest innovation hub.
Freelancer API
Use the Freelancer API to access a cloud workforce of skilled freelancers.
Local jobs
Get help in any location, anywhere in the world.
Freelancer services
How it works
How to hire the perfect freelancer for your project
Get ideas
How to get started earning money freelancing
Resources
EXPLORE
0.0
0.0
0%
$20 USD / Hour
・
Sri Lanka (11:01 AM)
・
Joined on December 1, 2009
$20 USD / Hour
・
• 12+ year of experience in the software industry • An Oracle Certified Master with more than ten years of hands-on experience in administering mission critical databases • An AWS Certified Solutions Architect • Skills include: o Experience in Oracle Database 10g/11g/12c Standard and Enterprise editions o 24x7 production support for mission critical databases o Configuring Data Guard and scheduling RMAN backups o Managing RAC databases running on Linux & Solaris environments o Schema designing and PL/SQL development o Performance tuning o System Administration in Linux (RHEL, OEL) and Solaris Operating Systems o Experience in the AWS cloud platform o Experience working in financial and aviation domains
No reviews to see here!
Experience
Database Architect
Oct, 2018 - Present
•
7 years, 9 months
Auxenta (Private) Limited
Oct, 2018 - Present
•
7 years, 9 months
Key projects: • Providing consultancy for NorthBay Solutions, an AWS partner in the US o Part of a team developing a data lake solution. o Providing consultancy for an Oracle to Aurora Postgre SQL migration project. o Developed a solution in Python to extract and ingest data for a real estate data warehouse.
Oct, 2018 - Present
•
7 years, 9 months
Consultant Database Administrator
May, 2016 - Oct, 2018
•
2 years, 5 months
Information Systems Associates (Private) Limited
May, 2016 - Oct, 2018
•
2 years, 5 months
Key tasks: • Production Database Maintenance o Managed RAC databases running on Oracle Solaris zones and other single instance databases. o Responsible for 24x7 uptime of the databases. • Performance Enhancement o Used AWR and ASH reports to identify performance issues. o Identified top SQL and tuned them. • Database Development o Was involved in PL/SQL development. o Was able to solve many pending issues in a short period of time.
May, 2016 - Oct, 2018
•
2 years, 5 months
Tech Lead
Jul, 2013 - Apr, 2016
•
2 years, 9 months
Direct Technologies (Private) Limited
Jul, 2013 - Apr, 2016
•
2 years, 9 months
Key tasks: • Performance Enhancement o Used AWR, ASH and ADDM reports to identify performance issues. o Enhanced database performance by tuning instance parameters. o Identified top SQL and tuned them. o Enhanced schema designs to improve performance. o Guiding developers to follow best practices in query writing and schema designing. • Data Replication o Used Oracle Streams technology to replicate data between OLTP and reporting databases.
Jul, 2013 - Apr, 2016
•
2 years, 9 months
Education
University of Colombo
2002 - 2006
•
4 years
B. Sc. (Hons) Computer Science, Second Class (Upper Division)
Sri Lanka
2002 - 2006
•
4 years
Qualifications
Oracle Database 11g Administrator Certified Master
2018
Oracle University
2018
Oracle Database 11g Performance Tuning Certified Expert
2014
Oracle University
2014
Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator
2012
Oracle University
2012
Certifications
F
Foundation vWorker Member
Verifications
Freelancer
About
Terms
Partners
Apps
