Available to hire
Hi, I’m Manushanka Senanayake, a software engineer with over 2 years of full-time experience and more than 9 years as a freelance developer. I specialize in building robust web applications and ecommerce solutions, with a strong focus on Shopify store customization, frontend/backend enhancements, and Microsoft technologies. I enjoy designing scalable, user-friendly software that helps clients around the world achieve their goals.
I’m seeking a software engineering or IT role where I can apply my full stack skills, collaborate with cross-functional teams, and contribute to deliverables from concept to deployment. I’m proficient in C#, JavaScript, .NET, and cloud technologies, and I’m always eager to learn new tools and best practices.
Skills
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Language
English
Fluent
Work Experience
Shopify Developer at Fiverr
July 1, 2020 - PresentCustomized and maintained Shopify stores; Worked with clients worldwide on frontend/backend enhancements; Used HTML5, CSS, jQuery, Bootstrap, Ajax, Web API
Software Engineer at Tech One Global Pvt Ltd
August 1, 2018 - October 6, 2025Built chatbot-based food ordering app (Cornelia Lunch Bot); Worked on Enadoc document system – added features and fixed bugs; Tech stack: C#, .NET, MVC5, Azure, JavaScript, Bootstrap
Temporary Demonstrator at University of Kelaniya
June 1, 2017 - October 6, 2025Delivered lectures in IT Literacy and Advanced Java; Supported student helpdesk and information systems
Trainee Software Engineer at Bell Solutions Pvt Ltd
July 1, 2016 - October 6, 2025Created financial system: Insurance Claim Manager; Full SDLC exposure; tech used: ASP.NET, Entity Framework, Crystal Reports
Shopify Developer at Fiverr
July 1, 2020 - PresentCustomized and maintained Shopify stores; collaborated with clients worldwide on frontend/backend enhancements; implemented responsive themes and integrations using HTML5, CSS, jQuery, Bootstrap, Ajax, and Web API.
Software Engineer at Tech One Global Pvt Ltd
August 1, 2018 - October 6, 2025Built a chatbot-based food ordering app (Cornelia Lunch Bot); contributed to Enadoc document system by adding features and fixing bugs; stack included C#, .NET, MVC5, Azure, JavaScript, Bootstrap.
Temporary Demonstrator at University of Kelaniya
June 1, 2017 - October 6, 2025Delivered IT Literacy and Advanced Java lectures; supported student helpdesk and information systems.
Trainee Software Engineer at Bell Solutions Pvt Ltd
July 1, 2016 - October 6, 2025Created financial system: Insurance Claim Manager; Full SDLC exposure; tech used: ASP.NET, Entity Framework, Crystal Reports.
Shopify Developer at Fiverr
July 1, 2020 - PresentCustomized and maintained Shopify stores; collaborated with clients worldwide on frontend and backend enhancements; implemented features using HTML5, CSS, jQuery, Bootstrap, Ajax, and Web API.
Software Engineer at Tech One Global Pvt Ltd
August 1, 2018 - October 6, 2025Built a chatbot-based food ordering app (Cornelia Lunch Bot); contributed to Enadoc document system by adding features and fixing bugs; tech stack included C#, .NET, MVC5, Azure, JavaScript, Bootstrap.
Temporary Demonstrator at University of Kelaniya
June 1, 2017 - October 6, 2025Delivered IT Literacy and Advanced Java lectures; supported student helpdesk and information systems.
Trainee Software Engineer at Bell Solutions Pvt Ltd
July 1, 2016 - October 6, 2025Created financial system: Insurance Claim Manager; gained full SDLC exposure; technologies used included ASP.NET, Entity Framework, and Crystal Reports.
Shopify Developer at Fiverr
July 1, 2020 - PresentCustomized and maintained Shopify stores; Worked with clients worldwide on frontend/backend enhancements; Used HTML5, CSS, jQuery, Bootstrap, Ajax, Web API
Software Engineer at Tech One Global Pvt Ltd
August 1, 2018 - October 25, 2025Built chatbot-based food ordering app (Cornelia Lunch Bot); Worked on Enadoc document system – added features and fixed bugs; Tech stack: C#, .NET, MVC5, Azure, JavaScript, Bootstrap
Temporary Demonstrator at University of Kelaniya
June 1, 2017 - October 25, 2025Delivered IT Literacy and Advanced Java lectures; Supported student helpdesk and information systems
Trainee Software Engineer at Bell Solutions Pvt Ltd
July 1, 2016 - October 25, 2025Created financial system: Insurance Claim Manager; Full SDLC exposure; tech used: ASP.NET, Entity Framework, Crystal Reports
Software Engineer at Tech One Global Pvt Ltd
June 1, 2017 - August 1, 2018Built chatbot-based food ordering app (Cornelia Lunch Bot); Worked on Enadoc document system – added features and fixed bugs; Tech stack included C#, .NET, MVC5, Azure, JavaScript, Bootstrap.
Education
BSc. (Special) in Computer Science at University of Kelaniya
January 1, 2017 - October 6, 2025MS at University of Kelaniya
January 11, 2030 - October 6, 2025BSc. (Special) in Computer Science at University of Kelaniya
January 1, 2017 - October 6, 2025BSc. (Special) in Computer Science at University of Kelaniya
January 1, 2017 - October 6, 2025MS at University of Kelaniya
January 11, 2030 - October 6, 2025BSc. (Special) | Computer Science at University of Kelaniya
January 11, 2030 - January 1, 2017BSc. (Special), Computer Science at University of Kelaniya
January 11, 2030 - April 29, 2026Qualifications
Advanced Networking
January 1, 2015 - October 6, 2025IT Certificate
January 1, 2015 - October 6, 2025HRM
January 1, 2013 - October 6, 2025Diploma in English
January 1, 2012 - October 6, 2025Computer Literacy
January 1, 2012 - October 6, 2025Advanced Networking – University of Kelaniya
January 1, 2015 - October 6, 2025IT Certificate – University of Kelaniya
January 1, 2015 - October 6, 2025HRM – NIBM
January 1, 2013 - October 6, 2025Diploma in English – British Way
January 1, 2012 - October 6, 2025Computer Literacy – Open University Sri Lanka
January 1, 2012 - October 6, 2025Advanced Networking
January 1, 2015 - October 6, 2025IT Certificate
January 1, 2015 - October 6, 2025HRM
January 1, 2013 - October 6, 2025Diploma in English
January 1, 2012 - October 6, 2025Computer Literacy
January 1, 2012 - October 6, 2025Advanced Networking – University of Kelaniya
January 1, 2015 - October 25, 2025IT Certificate – University of Kelaniya
January 1, 2015 - October 25, 2025HRM – NIBM
January 1, 2013 - October 25, 2025Diploma in English – British Way
January 1, 2012 - October 25, 2025Computer Literacy – Open University Sri Lanka
January 1, 2012 - October 25, 2025Advanced Networking
January 1, 2015 - April 29, 2026IT Certificate
January 1, 2015 - April 29, 2026HRM
January 1, 2013 - April 29, 2026Diploma in English
January 1, 2012 - April 29, 2026Computer Literacy
January 1, 2012 - April 29, 2026Industry Experience
Software & Internet, Education, Professional Services, Retail, Computers & Electronics
Skills
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