Hi there! I'm Thuan Shafer Shiek Preena, a Strategic Lead Software Engineer with 9 years of experience architecting scalable, AI-driven web ecosystems. I specialize in building scalable, AI-powered platforms and leading cross-functional teams to deliver mission-critical solutions across insurance, airlines, and healthcare domains. I thrive on turning complex problems into practical, high-impact software that users love. I'm passionate about delivering delightful user experiences, collaborating closely with product and design to ship reliable, measurable software. I continuously explore new cloud, AI, and front-end innovations to accelerate delivery, improve resilience, and drive meaningful outcomes for stakeholders.…

Thuan Shafer Shiek Preena

Hi there! I'm Thuan Shafer Shiek Preena, a Strategic Lead Software Engineer with 9 years of experience architecting scalable, AI-driven web ecosystems. I specialize in building scalable, AI-powered platforms and leading cross-functional teams to deliver mission-critical solutions across insurance, airlines, and healthcare domains. I thrive on turning complex problems into practical, high-impact software that users love. I'm passionate about delivering delightful user experiences, collaborating closely with product and design to ship reliable, measurable software. I continuously explore new cloud, AI, and front-end innovations to accelerate delivery, improve resilience, and drive meaningful outcomes for stakeholders.…

Available to hire

Hi there! I’m Thuan Shafer Shiek Preena, a Strategic Lead Software Engineer with 9 years of experience architecting scalable, AI-driven web ecosystems. I specialize in building scalable, AI-powered platforms and leading cross-functional teams to deliver mission-critical solutions across insurance, airlines, and healthcare domains. I thrive on turning complex problems into practical, high-impact software that users love.

I’m passionate about delivering delightful user experiences, collaborating closely with product and design to ship reliable, measurable software. I continuously explore new cloud, AI, and front-end innovations to accelerate delivery, improve resilience, and drive meaningful outcomes for stakeholders.

See more

Skills

Experience Level

JavaScript
Expert
TypeScript
Expert
Docker
Expert
AWS
Expert
Express
Expert
Kubernetes
Expert
Python
Expert
GraphQL
Expert
MongoDB
Expert
Azure
Expert
Jira
Expert
PostgreSQL
Expert
See more

Language

English
Fluent
Sinhala, Sinhalese
Intermediate
Tamil
Intermediate

Work Experience

Senior Software Engineer at Rosie AI Inc
May 20, 2023 - Present
Designed & architected a modular Agentic UI KIT with a scalable flow-builder framework & media layer, enabling seamless form-to-chat integration, real-time context synchronization & faster deployment of complex conversational workflows. Delivered core features including Live Agent transfer, Intelligent FNL flow, Illuminar Adapter Service UI, Rozie AI demo site & voice-enabled Web Chat (DeepGRAM & Google Voice SDK), driving adoption across Insurance, Airlines and Healthcare domains.
Backend Engineer at YLEM Energy Technologies Inc
January 1, 2022 - January 1, 2024
Designed & developed RESTful API architecture using Node.js (Express.js) to support minting, buying & selling of digitized energy tokens, integrated with a matching engine & the Kaleido blockchain platform to reflect real-time market demand & supply. Implemented scalable data models & schema designs for MongoDB Atlas, optimizing the database layer by 30% for reliability, high availability & efficient token-based transactions.
On-site Associate Technical Lead / Consultant - Technology at Virtusa Pvt Ltd
January 1, 2022 - May 31, 2023
Led a cross-functional team of 7 developers in delivering software solutions aligned with client requirements, operational feasibility & business workflows; ensured alignment with stakeholders and timely demos through agile practices.
Co-founder & Solution Architect at Ninja Labs (Accelerator)
April 1, 2013 - September 1, 2018
Designed conceptual system architectures for wearable technology solutions, integrating embedded systems & SBC programming. Notable projects included Spotimizer (NB-IoT-based digital sharing economy for parking optimization); Quitable (LoT wearable to aid smoking cessation); iWRAP (LoT wearable to prevent road accidents due to drowsiness & fatigue); iWRA P (Sri Lanka’s first virtual reality interactive game, 2015); and other early-stage wearable/IoT initiatives.
Senior Software Engineer at Rozie AI Inc
May 1, 2023 - Present
Designed & architected a modular Agentic UI Kit with a scalable flow-builder framework and media layer, enabling seamless form-to-chat integration, real-time context synchronization, and rapid deployment of complex conversational workflows. Delivered core features including Live Agent Transfer, Intelligent FNO L workflow, Illuminar Adaptor Service UI, Rozie AI demo site & voice-enabled Web Chat. Drove cross-domain adoption across insurance and airline sectors, with public showcases at WAF 2025 and ITC Vegas 2025, contributing to Rozie AI’s top-5 finalist placement in the Zurich AI Hyper Challenge. Implemented domain-specific dialog flows and integrated a joint JS framework to enable advanced diagramming, drag-&-drop, and interactive flow construction, significantly boosting user engagement and system modeling capabilities.
Senior Tech Lead / Consultant - Technology at Virtusa Pvt Ltd
January 1, 2022 - January 1, 2024
Led a cross-functional team of 7 developers in delivering software solutions in close collaboration with solution architects and business analysts, ensuring alignment with client requirements, operational feasibility, and business workflows.

Education

BSc (Hons) Information Technology at University of Moratuwa
March 1, 2013 - November 1, 2018
B Sc (Hons) in Information Technology at University of Moratuwa
March 1, 2013 - November 1, 2018

Qualifications

ICTA e-Swabhimani Merit Award
January 1, 2016 - May 1, 2026
Special Recognition Award
January 1, 2016 - May 1, 2026

Industry Experience

Software & Internet, Healthcare, Professional Services, Education, Other, Media & Entertainment, Gaming
    paper S&I Cleaning Co. Portfolio / Marketing Website

    Design, build, integrate, test & document a production-ready portfolio / marketing website for S&I Cleaning Co. using the Astro framework. The goal is to provide a responsive UI, comprehensive service detail pages & robust lead-capture flows to drive business growth.

    https://www.twine.net/signin