I’m a Senior Front-End Engineer who builds scalable, high-performance web applications across fintech, SaaS, telecom, hospitality, and web3. I’ve led front-end modernization efforts—turning legacy systems into maintainable Angular-based solutions—while strengthening architecture, reusable component patterns, code quality, and developer practices like structured reviews. I enjoy creating responsive, accessible user experiences with modern UI engineering. My work spans Angular, React, Next.js, and TypeScript, plus API/data integration with GraphQL and REST, performance optimization (bundle reduction, lazy loading, and fixing memory leaks), and building production-ready, component-driven interfaces. I also partner closely with product, backend, QA, and stakeholders to deliver features aligned with roadmap and real user needs.…

Viswanath Hemawansha

I’m a Senior Front-End Engineer who builds scalable, high-performance web applications across fintech, SaaS, telecom, hospitality, and web3. I’ve led front-end modernization efforts—turning legacy systems into maintainable Angular-based solutions—while strengthening architecture, reusable component patterns, code quality, and developer practices like structured reviews. I enjoy creating responsive, accessible user experiences with modern UI engineering. My work spans Angular, React, Next.js, and TypeScript, plus API/data integration with GraphQL and REST, performance optimization (bundle reduction, lazy loading, and fixing memory leaks), and building production-ready, component-driven interfaces. I also partner closely with product, backend, QA, and stakeholders to deliver features aligned with roadmap and real user needs.…

Available to hire

I’m a Senior Front-End Engineer who builds scalable, high-performance web applications across fintech, SaaS, telecom, hospitality, and web3. I’ve led front-end modernization efforts—turning legacy systems into maintainable Angular-based solutions—while strengthening architecture, reusable component patterns, code quality, and developer practices like structured reviews.

I enjoy creating responsive, accessible user experiences with modern UI engineering. My work spans Angular, React, Next.js, and TypeScript, plus API/data integration with GraphQL and REST, performance optimization (bundle reduction, lazy loading, and fixing memory leaks), and building production-ready, component-driven interfaces. I also partner closely with product, backend, QA, and stakeholders to deliver features aligned with roadmap and real user needs.

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Experience Level

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

English
Fluent

Work Experience

Senior Software Engineer - Front-End at CryptoWorth
February 1, 2024 - Present
Led front-end modernization of a legacy accounting platform into a scalable Angular-based application; defined and enforced front-end architecture standards including reusable component patterns, code quality practices, and structured code reviews; improved application performance by resolving memory leaks, optimizing change detection, and reducing rendering bottlenecks in production-critical flows; partnered with product managers, backend engineers, and stakeholders to deliver high-priority financial features aligned with roadmaps; provided production support and contributed to modular Angular architecture for scalability and long-term maintainability; focused on reusable UI components and performance-optimized delivery in Agile environments.
Senior Software Engineer - Front-End at Favorite Medium
February 1, 2023 - February 1, 2024
Built high-performance front-end applications using React and Next.js, delivering responsive, scalable UIs for enterprise-grade products; developed data-driven applications with GraphQL, Hasura, and headless CMS platforms; contributed to API design and integration; created reusable UI components and performance-optimized pages within the React/Next.js ecosystem; participated in Agile sprint planning, estimation, and technical decision-making as part of a distributed cross-functional team; focused on modular, maintainable front-end architecture and reusable UI patterns across teams.
Senior Software Engineer - Front-End at Matific
May 1, 2020 - February 1, 2023
Developed scalable front-end modules for education platforms used by teachers and students, ensuring responsive and user-friendly interfaces. Contributed to student reporting and analytics features to enable data-driven insights for academic performance tracking. Built and maintained admin dashboards and reusable UI component libraries to improve development efficiency and consistency across the platform. Improved application performance by reducing reliance on heavy third-party libraries and optimizing front-end bundle size and load times. Participated in architecture discussions, sprint estimation, and technical planning sessions to inform scalable front-end design decisions.
UI Lead at Pyxle International
May 1, 2018 - October 1, 2020
Led front-end development for livestock management platforms. Designed reusable Angular components and shared UI libraries. Coordinated with QA and offshore teams to improve product quality. Participated in roadmap planning, milestone tracking, and stakeholder communication. Supported both office-based and field-based user experiences.
UI Lead at Pixle International
May 1, 2018 - October 1, 2020
Led front-end development for livestock management platforms; designed reusable Angular components and shared UI libraries; coordinated QA with offshore teams; contributed to road map planning and milestone tracking; supported both office-based and field-based user experiences, focusing on usability and performance.
Associate Consultant at Virtusa
August 1, 2014 - April 1, 2018
Contributed to the development of reusable front-end frameworks; mentored junior developers and conducted technical training sessions; supported enterprise applications across multiple industries; promoted Agile practices and code-review processes; delivered enhancements and production support for global clients.
Web Developer at eBeyonds Web
August 1, 2011 - June 1, 2014
Developed responsive websites and web applications for hospitality clients. Built reusable components and front-end widgets. Maintained high QA standards and participated in estimation activities. Worked with WordPress, PHP, SQL, HTML, CSS, and JavaScript technologies.
Web Developer at BeYonds Web Developer
August 1, 2011 - June 1, 2014
Developed responsive websites and web applications for hospitality clients; built reusable components and front-end widgets; maintained high QA standards; worked with WordPress, PHP, SQL, HTML, CSS, and JavaScript.

Education

B.Sc. in Management Information Systems at University College Dublin
January 1, 2009 - January 1, 2013
Higher Diploma in Computer-Based Information Systems at University College Dublin
January 11, 2030 - July 2, 2026
Diploma in Computer System Design at NIBM
January 11, 2030 - July 2, 2026
B.Sc. in Management Information Systems at University College Dublin
January 1, 2009 - January 1, 2013
Higher Diploma in Computer-Based Information Systems at NIBMD
January 11, 2030 - September 30, 2026
Diploma in Computer System Design at NIBM
January 11, 2030 - September 30, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Financial Services, Telecommunications, Travel & Hospitality, Media & Entertainment