Nuwan Asiri Email & Phone Number

Sri Lanka

Tokyo, Japan

As the founder and main content creator for "LankaDroid Programming Kuppiya," I produce and deliver programming tutorials in Sinhala, aimed at helping students overcome language barriers in learning technology. My work involves:* Developing comprehensive programming tutorials that simplify complex concepts for better understanding.* Growing the channel to reach and educate a wide audience, contributing significantly to tech education in the Sinhala-speaking community.

I run "www.lankadroid.blogspot.com," an educational blog that provides programming tutorials in Sinhala, focusing on making technology education accessible. My responsibilities include:* Creating and publishing detailed tutorials on various programming topics, aiding students who struggle with English-medium instruction.* Engaging with the community through interactive discussions and feedback to continuously improve the learning materials.

Sri Lanka

* Designed and delivered a cloud-ready, reusable virtual credit card (VCC) service as microservices for a prominent UK-based travel agency, servicing three VCC providers.* Led the integration of Barclaycard's virtual credit card provider into a major UK-based travel agency’s core booking system, utilizing REST API integration. Managed a team of 2 developers for this successful project.* Oversaw the full software development lifecycle (SDLC) for a leading UK-based travel agency, handling change requests and implementing new functionalities and enhancements with a team of 6.* Engineered a button-based chat system for a renowned travel agency's website, enabling customers to upgrade reservations 24/7, thus improving service efficiency and user experience.

Sri Lanka

* Successfully implemented Cellpoint Digital’s payment gateway REST API into the booking system, enabling advanced payment and refund functionalities without any blocker or critical issues.* Integrated DNA Chip & Pin payments into a major UK-based travel and holiday company’s booking system, achieving full-scale client use within three months through REST API integration.* Developed a structured video training program for new developers, standardizing knowledge transfer and reducing onboarding time by 50%, ensuring immediate readiness for diverse tasks.* Spearheaded the company’s performance forum, leading the rollout of performance testing across 18 client projects to enhance software efficiency and reliability.* Facilitated over 25 interviews and played a key role in career fairs and workshops at universities, boosting recruitment strategies and fostering professional development opportunities.

Sri Lanka

In this role, I contributed significantly to the development and stabilization of the company’s new web-based flagship product. My key contributions included:* Led the technical development and optimization of the flagship product using Angular, Java, Spring Boot, and microservices architecture, enhancing the product's performance and user experience.* Mentored and onboarded new developers, facilitating their quick adaptation and productive contribution to the web-based solution. This effort reduced the average onboarding time by 30%, accelerating project momentum.* Diagnosed and resolved a critical memory leak issue in the production environment, which previously necessitated server restarts every seven days. My detailed analysis of heap and thread dumps led to identifying and fixing the root cause, improving system stability and reducing downtime.

Sri Lanka

* Successfully integrated two third-party hotel search and reservation APIs, along with one cruise API, into a major UK-based travel and holiday company's primary reservation system. This expanded the range and convenience of travel options available to customers.* Led the full Software Development Life Cycle (SDLC) for various projects, collaborating with a team of 15. My role encompassed requirement gathering, development, testing, deployment, and documentation, ensuring the delivery of comprehensive and efficient software solutions.* Conducted bug fixes and developed new functionalities, contributing to enhanced system performance and an improved user experience in ongoing software projects.* Mentored and trained four junior software engineers, promoting skill development and adherence to best practices in software engineering.

Sri Lanka

* Implemented new functionalities and fixed system bugs within Java 8, utilizing Tomcat, Oracle, and MySQL to improve system performance and expand capabilities.* Initiated and created a mock response framework to simulate third-party API responses, enhancing issue reproduction and testing, which boosted productivity by 70%.

Sri Lanka

Sri Lanka

Bachelor Of Science (B.Sc.), Computer Science And Electronics, Second Class (Lower Division)

Activities and Societies: Founder of Zest - voluntary knowledge sharing organization of the university. Activity Director of the IEEE.

Physical Sciences

Activities and Societies: Member of School Hockey Team, Member of School Volleyball Team