Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

Janaka Ranathunga

Allison Park,PA

Summary

Results-oriented IT professional with over 14 years of experience specializing in backend systems, platform modernization, and technical leadership. Proven ability to architect and implement scalable, high-performance solutions in distributed environments. Expertise in Java, Microservices, RESTful APIs, and cloud technologies (Azure, Kubernetes). Led the end-to-end transformation of complex systems, significantly improving efficiency, security, and time-to-market. A proactive problem-solver with a track record of mentoring junior engineers and collaborating with cross-functional teams to deliver impactful results.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Senior Software Engineer | Tech Lead

Onbe
, United States
09.2022 - Current
  • Led a comprehensive platform migration for 30+ legacy J2EE applications to a modern, cloud-native architecture using Azure and Kubernetes.
  • Implemented robust CI/CD pipelines and containerized deployment, optimizing operational efficiency, and enhancing system security.
  • Architected and developed a robust REST API ecosystem and a developer-friendly portal, which reduced integration complexity and accelerated time-to-market for partner services.
  • Spearheaded business continuity efforts by architecting and implementing a mission-critical API platform to improve the availability of core business functions.

Lead Consultant & Associate Architect

Virtusa
Pittsburgh, United States
01.2014 - 09.2022
  • PNC Mobile Wallet Project: Served as a key technical leader on a mobile wallet project for a major financial institution, collaborating with partners like Visa, Apple, and Google. Strategized and developed a secure platform for communicating with token processors, ensuring secure data exchange, token management, and providing a robust foundation for the customer-centric wallet application.
  • Fidelity Investments: Provided on-site technical consultation for middleware product integration, including initial system analysis, gap identification, and solution architecture design. Provided iterative feature development and post-deployment support.
  • Technical Leadership: Managed and mentored a team of multiple technical leads and engineers, ensuring code quality, standards, and software best practices. Provided technical guidance in ideation and planning sessions and created architectural designs and documentation for major projects.

Software Engineer / Project Lead

Rezgateway
04.2013 - 12.2013
  • Led the Qatar Airways Holidays project, managing a team, assigning tasks, and mentoring members to achieve project deliverables.
  • Developed systems using agile methodologies and SOA/MVC architecture, with expertise in Java/J2EE and PostgreSQL.
  • Ensured system stability by troubleshooting and debugging, and integrated external gateway systems for online credit card payments.

Software Engineer

S. P. Solutions (Pvt) Limited
10.2012 - 04.2013
  • Designed, developed, and tested several workflow applications using technologies like Java, EJB 3, JSF, JSP, Servlet, and JBPM.
  • Key projects included a bank concierge system, a CRM for managing customer loyalty, and systems for monitoring shipping imports and insurance claims.

Education

Master of Science - Information Technology Management

Southern New Hampshire University
Manchester, NH
01.2022

Bachelor of Science - Software Engineering

IIC University of Technology
01.2010

Skills

  • Languages & Frameworks: Java, J2EE, Spring, Go, JavaScript, HTML, CSS, Angular, React
  • Architecture: microservices, distributed systems, cloud-native, RESTful APIs, SOA
  • Cloud & DevOps: Azure, Kubernetes, Docker, CI/CD, Git, Jenkins, Maven, Gradle, AWS
  • Databases: PostgreSQL, NoSQL
  • Other: Agile Methodologies, Technical Leadership, Mentorship, Problem-Solving, Communication

Certification

  • Oracle Certified Professional, Java EE 5 Business Component Developer
  • Sun Certified Java Programmer
  • Oracle Certified Professional, Java EE 5 Web Component Developer

Languages

English
Full Professional

Timeline

Senior Software Engineer | Tech Lead

Onbe
09.2022 - Current

Lead Consultant & Associate Architect

Virtusa
01.2014 - 09.2022

Software Engineer / Project Lead

Rezgateway
04.2013 - 12.2013

Software Engineer

S. P. Solutions (Pvt) Limited
10.2012 - 04.2013

Master of Science - Information Technology Management

Southern New Hampshire University

Bachelor of Science - Software Engineering

IIC University of Technology

Similar Profiles

CREATE PROFILE