Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Krishantha Weerawardana

Tarneit

Summary

Dynamic Java Developer with a proven track record at Freelace, skilled in Spring framework and JUnit testing. Enhanced application performance through optimized coding and rigorous testing. Adept at managing high-pressure situations, fostering collaboration with QA teams to reduce software bugs and improve user satisfaction.

Overview

20
20
years of professional experience

Work History

Freelance Java Developer

Freelace
02.2022 - 07.2025
  • Ensured seamless integration of Java-based applications with databases, APIs, and other systems.
  • Reduced software bugs by conducting thorough unit testing and collaborating with QA teams.
  • Reviewed code and debugged errors to improve performance.
  • Enhanced application performance by optimizing Java code and implementing efficient algorithms.

Cleaning Technician

Danihers Facility Management
01.2016 - 12.2020

Contract Cleaning Technician for CSL Behring.

Work in GMP area.

Use desired cleaning practices and chemicals.

Record relevant details in record bocks



Cleaning Te

NIce and Tidy Pvt
01.2012 - 12.2015

Contract Cleaning technician for CSL Behring.

Worked in GMP area.

Completed cleaning tasks using desired chemicals.

Recorded details in record books.



Customer Service Representative

Coles Express
07.2007 - 12.2011
  • Managed high-stress situations effectively, maintaining professionalism under pressure while resolving disputes or conflicts.
  • Resolved customer complaints with empathy, resulting in increased loyalty and repeat business.
  • Handled escalated calls efficiently, finding satisfactory resolutions for both customers and the company alike.
  • Responded to customer requests for products, services, and company information.

Temporary Istructor

Department of Mathematics Faculty of Engineering University of Peradeniya
01.2006 - 03.2007
  • Promoted a positive learning environment by establishing clear expectations and maintaining consistent classroom management techniques.
  • Tracked student progress, frequently checking in with struggling students and identifying root causes of problems.
  • Boosted student performance by providing individualized support and targeted feedback.
  • Initiated new learning methods, eliminating instructional gaps and improving comprehension.

Education

Associate of Science - Computer Science

ICET Institue
Panadura, Sri Lanka
08-2025

Bachelor of Science - Full Stack Engineering

University of Moratuwa Department of Distance Learning
Moratuwa, Sri Lanka
03-2023

Bachelor of Science - Chemical And Process Engineering

Faculty of Engineering University of Peradeniya
Peradeniya, Sri Lanka
12-2005

Skills

  • Experience with Spring framework
  • Git version control
  • JUnit testing
  • Object-oriented software development

Languages

English
Professional Working

Timeline

Freelance Java Developer

Freelace
02.2022 - 07.2025

Cleaning Technician

Danihers Facility Management
01.2016 - 12.2020

Cleaning Te

NIce and Tidy Pvt
01.2012 - 12.2015

Customer Service Representative

Coles Express
07.2007 - 12.2011

Temporary Istructor

Department of Mathematics Faculty of Engineering University of Peradeniya
01.2006 - 03.2007

Associate of Science - Computer Science

ICET Institue

Bachelor of Science - Full Stack Engineering

University of Moratuwa Department of Distance Learning

Bachelor of Science - Chemical And Process Engineering

Faculty of Engineering University of Peradeniya
Krishantha Weerawardana