I am Sidath Ranasinghe, a software engineer focused on building scalable web applications using modern frontend frameworks and server-side technologies. I enjoy turning complex requirements into robust, maintainable software. I thrive in collaborative environments, lead by example, and mentor teammates to adopt best practices and deliver high-performance solutions aligned with business goals.

Sidath Ranasinghe

I am Sidath Ranasinghe, a software engineer focused on building scalable web applications using modern frontend frameworks and server-side technologies. I enjoy turning complex requirements into robust, maintainable software. I thrive in collaborative environments, lead by example, and mentor teammates to adopt best practices and deliver high-performance solutions aligned with business goals.

Available to hire

I am Sidath Ranasinghe, a software engineer focused on building scalable web applications using modern frontend frameworks and server-side technologies. I enjoy turning complex requirements into robust, maintainable software.

I thrive in collaborative environments, lead by example, and mentor teammates to adopt best practices and deliver high-performance solutions aligned with business goals.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Sinhala, Sinhalese
Fluent

Work Experience

Senior Software Engineer at FocalID Technologies (Pvt.) Ltd.
May 1, 2025 - September 3, 2025
Led front-end development across multiple high-value client projects, establishing architectural standards and mentoring junior team members. Architected and implemented reusable data visualization components using D3.js, ReCharts, and React ecosystem, reducing development time for new dashboards. Established code quality standards that reduced bugs and improved sprint velocity. Implemented robust state management patterns using Redux and Context API, creating a predictable and maintainable application architecture.
Software Engineer at FocalID Technologies (Pvt.) Ltd.
October 1, 2024 - September 3, 2025
Collaborated with cross-functional teams to deliver responsive, high-performance frontend solutions and contributed to codebase improvements. Developed performance-optimized frontend components using modern JavaScript techniques, improving load times on key client applications. Created a custom annotation tool using vanilla JavaScript and jQuery to streamline internal data labeling processes. Integrated solutions with open-source data platforms including n8n and Data Hub to enhance analytics capabilities. Participated actively in agile ceremonies and translated UI/UX designs into responsive implementations that received client commendation.
Software Engineer at Simato Solutions (Pvt.) Ltd.
May 1, 2024 - September 3, 2025
Delivered full-stack solutions focusing on scalable architecture and innovative features. Contributed core functionality to the Appmaker platform, enabling 100+ businesses to create mobile applications with minimal technical knowledge. Implemented real-time chat and media streaming features for the Stars Live platform, supporting 5,000+ concurrent users during peak events. Resolved complex performance bottlenecks in Angular applications, improving response times for high-traffic modules. Integrated payment gateways and implemented end-to-end subscription flows handling MSISDN detection and status validation across frontend and backend layers. Mentored junior developers on best full-stack development practices. Collaborated with senior developers to optimize database queries, reducing load times for data-heavy screens.
Software Engineer Intern at Simato Solutions (Pvt.) Ltd.
July 1, 2021 - September 3, 2025
Extended internship due to exceptional performance. Supported development teams across multiple client projects. Developed responsive UI components using AngularJS, Angular (2+), and Angular Material implemented in production applications. Created reusable template components for the Appmaker platform that became standard offerings for new clients. Diagnosed and resolved bugs in existing Appmaker templates, improving stability and reducing support requests by streamlining reusable components.
Senior Software Engineer at FocalID Technologies (Pvt.) Ltd.
May 1, 2025 - September 27, 2025
Led front-end development across multiple high-value client projects, establishing architectural standards and mentoring junior team members. Architected and implemented reusable data-visualization components using D3.js, Recharts, and the React ecosystem, reducing dashboard development time. Established code quality standards across projects, reducing bugs and improving sprint velocity. Implemented robust state management patterns using Redux and Context API, creating a predictable and maintainable application architecture.
Software Engineer at FocalID Technologies (Pvt.) Ltd.
October 1, 2024 - September 27, 2025
Developed performance-optimized frontend components using modern JavaScript techniques, improving load times on key client applications. Created a custom annotation tool using vanilla JavaScript and jQuery to streamline internal data labeling. Integrated open-source data platforms (e.g., n8n and Data Hub) to enhance data analytics capabilities and collaboration with backend teams. Contributed to agile ceremonies and translated UI/UX designs into responsive implementations.
Software Engineer at Simato Solutions (Pvt.) Ltd.
May 1, 2024 - September 27, 2025
Contributed core functionality to the AppMaker platform, enabling 100+ businesses to create mobile apps with minimal technical knowledge. Implemented real-time chat and media streaming features for the Stars Live platform, supporting 5K+ concurrent users during peak events. Resolved complex performance bottlenecks in Angular applications, improving response times on high-traffic modules such as the P2P chat template. Integrated end-to-end subscription flows for Dialog and Mobitel, handling MSISDN detection, renewal callbacks, and status validation across frontend and backend layers. Mentored a junior developer and collaborated with senior developers to optimize database queries.
Software Engineer Intern at Simato Solutions (Pvt.) Ltd.
July 1, 2021 - September 27, 2025
Extended internship due to exceptional performance. Supported development teams across multiple client projects. Developed responsive UI components using AngularJS, Angular(2+), and Angular Material integrated into production apps. Created reusable template components for the AppMaker platform that became standard offerings for new clients. Diagnosed and resolved bugs in existing AppMaker templates, improving stability and reducing support requests by streamlining reusable components.
Senior Software Engineer at FocalID Technologies (Pvt.) Ltd.
May 1, 2025 - September 27, 2025
Led front-end development initiatives across multiple high-value client projects, establishing architectural standards and mentoring junior team members.
Software Engineer at FocalID Technologies (Pvt.) Ltd.
October 1, 2024 - September 27, 2025
Collaborated with cross-functional teams to deliver responsive, high-performance front-end and back-end solutions; contributed to codebase improvements and backend optimizations.
Software Engineer Intern at Simato Solutions (Pvt.) Ltd.
July 1, 2021 - September 27, 2025
Extended development support across client projects; built responsive UI components and implemented real-time chat and media streaming features for the Stars Live platform; resolved complex performance bottlenecks in Angular apps.
Senior Software Engineer at FocusID Technologies (Pvt.) Ltd.
May 31, 2025 - September 27, 2025
Led front-end development across multiple high-value client projects, established architectural standards, and mentored junior team members. Architected reusable data visualization components using D3.js, Recharts, and the React ecosystem, reducing dashboard development time. Established code quality standards across projects, reducing bugs and improving sprint velocity. Implemented robust state management with Redux and Context API for predictable, maintainable architecture.
Software Engineer at FocusID Technologies (Pvt.) Ltd.
October 31, 2024 - September 27, 2025
Collaborated with cross-functional teams to deliver responsive, high-performance frontend solutions; developed performance-optimised frontend components; created a custom annotation tool with vanilla JS and jQuery to streamline internal data labeling; integrated open-source data platforms (N8N, Data Hub) to enhance data analytics; participated in Agile ceremonies and translated UI/UX designs to responsive implementations.
Software Engineer at Simato Solutions (Pvt.) Ltd.
May 31, 2024 - September 27, 2025
Delivered full-stack solutions with a focus on scalable architecture and innovative features; contributed core functionality to the AppMaker platform enabling 100+ businesses to create mobile apps with minimal technical knowledge; implemented real-time chat and media streaming for Stars Live platform, supporting 5K+ concurrent users; resolved performance bottlenecks in Angular apps; integrated Genie payment gateway and end-to-end subscription flows for Dialog and Mobitel; mentored a junior developer; optimized database queries to reduce load times.
Software Engineer Intern at Simato Solutions (Pvt.) Ltd.
July 1, 2021 - September 27, 2025
Extended due to exceptional performance. Supported development teams across multiple client projects; developed responsive UI components using AngularJS and Angular (2+), and Angular Material; created reusable AppMaker platform template components; contributed to real-time chat and media streaming features for Stars Live; diagnosed and resolved bugs in existing AppMaker templates, improving stability and reducing support requests.

Education

B.Sc. (Hons.) in Information Technology at Faculty of Information Technology, University of Moratuwa, Sri Lanka
January 1, 2017 - January 1, 2022
G.C.E. Advanced Level - Physical Stream at Dharmaraja College, Kandy, Sri Lanka
January 1, 2007 - January 1, 2016
B.Sc. (Hons.) in Information Technology at Faculty of Information Technology, University of Moratuwa
January 1, 2017 - January 1, 2022
B.Sc. (Hons.) in Information Technology at University of Moratuwa, Sri Lanka
January 1, 2017 - January 1, 2022
G.C.E. Advanced Level (Physical Stream) at Dharmaraja College, Kandy, Sri Lanka
January 1, 2016 - January 1, 2016
Z-Score (Chemistry A, Physics B, Combined Mathematics C) at DharmaRaja College, Kandy, Sri Lanka
January 1, 2007 - January 1, 2016
BSc (Hons.) in Information Technology at University of Moratuwa, Sri Lanka
January 1, 2017 - January 1, 2022
G.C.E. Advanced Level at Dharma Raja College, Kandy, Sri Lanka
January 11, 2030 - January 1, 2016

Qualifications

G.C.E. Advanced Level (Physical Stream)
January 1, 2007 - January 1, 2016
Z-Score: 1.6335 (Chemistry A, Physics B, Combined Mathematics C)
January 1, 2007 - January 1, 2016

Industry Experience

Software & Internet, Professional Services, Education, Computers & Electronics