
Bike Patrol App
A security and registry service for bikes in Finland, using Next.js, FastAPI, and Firebase to help owners report, track, and recover lost or stolen bicycles. Built for usability, transparency, and community-driven safety
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Full-stack Developer & Cloud-based Solutions Specialist with 10+ years of experience building smart, scalable applications. Currently based in Finland and open to remote or onsite collaborations worldwide.
Jasintha Madusanka is a full-stack developer and cloud-based solutions specialist based in Oulu, Finland. With over a decade of professional experience in web and mobile development, Jasintha has delivered impactful projects for more than 150 clients worldwide-ranging from startups to international companies. Known for creating robust, user-focused applications, Jasintha combines deep technical expertise with a solution-oriented mindset to drive meaningful results.

A security and registry service for bikes in Finland, using Next.js, FastAPI, and Firebase to help owners report, track, and recover lost or stolen bicycles. Built for usability, transparency, and community-driven safety
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Education Site
WordPress website built for a Sri Lankan higher education institute, supporting course listings, academic programs, and institutional content management with reliability and ease.
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A university group project designed to help learners find Finnish-speaking language partners. Built with Kotlin, Jetpack Compose, Firebase, and Agora for real-time chat and video calling. Focused on collaboration, usability, and supporting cross-cultural communication.
Git repoPresentation VideoJasinta was instrumental to our technology operations, consistently delivering solutions to complex technical challenges and managing critical upgrades for our legacy systems. His deep expertise in Moodle and supporting systems proved invaluable to the business. Team members looked up to his leadership, and he earned a strong reputation throughout the organization for his reliability and technical innovation. The value Jasinta brought was so significant that Headstart retained his services on contract after his departure for systems engineering work. During this period, he successfully trained a junior systems engineer to take over his responsibilities. [...]
I had the pleasure of working with Jasintha during a particularly challenging period for our company - a time marked by the pandemic, rapid changes in the business environment, and significant internal transitions. Despite these circumstances, Jasintha consistently brought a positive mindset to work every single day. He approaches every challenge with optimism and determination. No matter the obstacles, Jasintha looks for ways to make things happen and puts in his best effort to deliver results. He is committed, reliable, and always willing to lend a helping hand to colleagues, fostering strong, positive working relationships within the team. [...]
Having worked with Jasintha, found him to possess strong technical competency across both front-end and back-end technologies, along with a proactive and solution-oriented attitude. His ability to understand project requirements, communicate effectively, and deliver high-quality outcomes on time makes him a valuable asset to any development team.[...]
I offer comprehensive web development services including React/Next.js frontend development, Node.js/NestJS backend development, mobile app development with React Native, WordPress solutions, cloud infrastructure setup (AWS, Azure, Huawei Cloud), database design (MySQL, Firebase), and DevOps with Docker. I specialize in building scalable, secure applications for businesses of all sizes.
I have over 10 years of professional experience in software development, starting as a Software Developer and progressing to Full-stack Developer. During this time, I have successfully delivered projects for 150+ clients worldwide, working with technologies ranging from traditional PHP/MySQL to modern React/Node.js stacks.
My core expertise includes JavaScript/TypeScript (React, Next.js, Node.js, NestJS), PHP (Laravel, CodeIgniter), Python, React Native for mobile development, and various databases (MySQL, Firebase). I also work extensively with cloud platforms (AWS, Azure, Huawei Cloud), containerization (Docker), and modern development tools.
Yes, I am available for both remote work and project-based development. Currently based in Oulu, Finland, I work with clients globally and am experienced in remote collaboration. I offer flexible engagement models including full-time remote positions, part-time consulting, and project-based development. Contact me at hello[at]madusanka[.]com to discuss your specific needs.
I have worked on diverse projects including AI-powered applications (like the Bike Patrol theft prevention platform), e-commerce solutions, business websites, mobile applications, cloud infrastructure deployments, and enterprise web applications. My experience spans from small business websites to complex full-stack applications serving thousands of users.
You can reach me via email at hello[at]madusanka[.]com for project inquiries and consultations. I also maintain an active LinkedIn profile where you can connect professionally. I typically respond within 24 hours and offer free initial consultations to discuss your project requirements.