I am an IT professional with over 8 years of experience developing product-based company solutions and customized IT software solutions for world-renowned clients such as Disney, London Stock Exchange, NETS, Visa, and Google. I have been recognized with the Dream Team Award and Vanguard Award for engineering excellence and key contributions to the Google Fiber Project. I graduated with First-class honors specializing in Computer Engineering from the University of Peradeniya. I have extensive hands-on experience with server-side development using Java/Kotlin and Spring-based enterprise applications and services. I am currently exploring and developing AI/ML projects using the LangChain framework. My skill set also includes AWS cloud-based designs, CI/CD processes, Linux, Oracle, and front-end frameworks like Angular. I am passionate about software architecture, scalable microservices, distributed systems, and the banking & financial domain.

Nadith Premaratne

I am an IT professional with over 8 years of experience developing product-based company solutions and customized IT software solutions for world-renowned clients such as Disney, London Stock Exchange, NETS, Visa, and Google. I have been recognized with the Dream Team Award and Vanguard Award for engineering excellence and key contributions to the Google Fiber Project. I graduated with First-class honors specializing in Computer Engineering from the University of Peradeniya. I have extensive hands-on experience with server-side development using Java/Kotlin and Spring-based enterprise applications and services. I am currently exploring and developing AI/ML projects using the LangChain framework. My skill set also includes AWS cloud-based designs, CI/CD processes, Linux, Oracle, and front-end frameworks like Angular. I am passionate about software architecture, scalable microservices, distributed systems, and the banking & financial domain.

Available to hire

I am an IT professional with over 8 years of experience developing product-based company solutions and customized IT software solutions for world-renowned clients such as Disney, London Stock Exchange, NETS, Visa, and Google. I have been recognized with the Dream Team Award and Vanguard Award for engineering excellence and key contributions to the Google Fiber Project. I graduated with First-class honors specializing in Computer Engineering from the University of Peradeniya.

I have extensive hands-on experience with server-side development using Java/Kotlin and Spring-based enterprise applications and services. I am currently exploring and developing AI/ML projects using the LangChain framework. My skill set also includes AWS cloud-based designs, CI/CD processes, Linux, Oracle, and front-end frameworks like Angular. I am passionate about software architecture, scalable microservices, distributed systems, and the banking & financial domain.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Fluent
Sinhala, Sinhalese
Fluent

Work Experience

Lead Software Engineer at Google (via e Touch-Virtusa), Singapore
March 1, 2022 - Present
Led the Singapore BE team in transforming Google Fiber's legacy architecture into a scalable, flexible microservices framework. Designed and developed clean, efficient, maintainable code to implement new features, enhancements, and bug fixes for customer-facing applications, backend systems, and network management tools. Conducted in-depth code reviews in Java and Kotlin, ensuring code quality and adherence to best practices. Collaborated closely with cross-functional teams and stakeholders to understand requirements and deliver high-quality software products. Provided mentorship and technical leadership to junior and new engineers, contributing effectively to the Google Fiber project. Participated in agile processes including sprint planning, daily stand-ups, and retrospectives.
Senior Software Engineer at Visa (via Wipro-U3InfoTech), Singapore
February 28, 2022 - August 9, 2025
Demonstrated strong understanding of the Visa Checkout architecture, ensuring efficient integration and alignment with overall system design. Played a key role in redesigning the legacy system architecture to accommodate a mobile-as-an-identity approach. Actively contributed to integrating new Identity Management APIs into the Visa Checkout platform, enhancing functionality and scalability. Developed reactive, asynchronous, and non-blocking REST APIs and integrated with other microservices and systems to ensure seamless communication. Conducted code reviews and enforced code quality controls, version control best practices, and adhered to strict security and performance standards. Managed CI/CD pipelines using Git, Ansible, and Jenkins to automate deployments and improve operational efficiency.
Software Consultant at NETS Group (BCSIS, BCS), Singapore
June 30, 2021 - August 9, 2025
Key resource for the application architecture and development of the PromptPay - PayNow Linkage Project enabling instant bank transactions between Thailand and Singapore via mobile number. Involved hands-on in code reviews, code quality controls, version controls, and enforcing security and performance standards. Conducted technical studies and proof of concept on building low latency real-time payment systems. Developed, tested, and deployed the projects from scratch, with end-to-end understanding of the FAST System and PayNow transaction flow optimizations. Designed frameworks for distributed caching, query optimizations, saga distributed transactions, service discovery and registry, and finite state automation to handle operational status gracefully and automatically. Developed high availability clustering applications (active-active, active-passive) supporting consistency and partitioning concepts. Experienced in DevOps, CI/CD, Bitbucket, and DevOps tools including Ansible, Jenkins
Software Engineer at Visa (via Wipro-U3InfoTech), Singapore
April 1, 2017 - August 9, 2025
Designed and developed a load balancing tool to distribute transactions among risk calculation processes ensuring equal workload distribution. Contributed to the development of enterprise software solutions for electronic trading platforms. Conducted bug fixing and issue resolution. Used Jira for project management and task tracking. Performed Oracle database query optimization and integrated test suites to improve performance.
Software Engineer at CodeGen International, Sri Lanka
July 1, 2019 - August 9, 2025
More than 1.5 years experience in designing and developing TravelBox(TM), the flagship software solution of CodeGen for clients like Disney. Hands-on experience with large-scale complex backend systems such as SQL DBs, rule management systems, REST APIs, and SOA. Optimizing in-memory caches for low latency REST API calls. Developed SOAP and REST backend solutions and Swing desktop applications. Participated in client calls and discussions pertaining to new software integrations. Engaged in solution design and development to ensure successful completion of deliverables. Carried out developer testing, debugging, and error corrections to ensure seamless application performance. Provided production support involving troubleshooting, analysis, and hotfix delivery. Part of the team that managed the launch of TravelBox(TM). Experience with continuous integration through Git, Maven, and Jenkins.
Software Engineering Intern at London Stock Exchange Group, Sri Lanka
April 1, 2017 - August 9, 2025
Participated in client calls and discussions to support new software integrations to TravelBox(TM). Engaged in solution design and development. Developed, tested, debugged, and corrected errors. Provided support to production systems to troubleshoot and deliver hotfixes.

Education

Bachelor of Science (Hons) in Engineering at University of Peradeniya
January 11, 2030 - August 9, 2025

Qualifications

ICT Assessment Certification for Software Developer
January 11, 2030 - August 9, 2025
AWS Cloud Technical Essentials
January 11, 2030 - August 9, 2025
Introduction to Containers with Docker, Kubernetes & OpenShift
January 11, 2030 - August 9, 2025

Industry Experience

Financial Services, Software & Internet, Professional Services, Telecommunications, Travel & Hospitality