Sidath Ranasinghe
Full-stack Software Engineer with 4+ years of experience in building scalable web applications using Angular, React, and Node.js.
About Me
Passionate about creating exceptional digital experiences through clean code and innovative solutions.
Professional Journey
Full-stack Software Engineer with 4+ years of experience in building scalable web applications using Angular, React, and Node.js.
Proven ability to lead projects, implement best practices, and mentor teams to deliver high-performance solutions aligned with business goals.
Core Technologies
Technical Leadership
Led front-end development initiatives across multiple high-value client projects at FocalId Technologies
Team Mentorship
Mentored junior developers and established code quality standards, improving sprint velocity
Performance Optimization
Implemented performance-optimized components, reducing load times on key client applications
Proven Impact
Contributed to platforms serving 5K+ concurrent users and 100+ businesses
Education
B.Sc. (Hons.) in Information Technology
University of Moratuwa, Sri Lanka
2017 – 2022
Work Experience
A journey of continuous growth, technical excellence, and impactful contributions across innovative projects.
Senior Software Engineer
FocalId Technologies (Pvt.) Ltd.
Led front-end development initiatives across multiple high-value client projects, establishing architectural standards and mentoring junior team members.
Key Achievements
- Architected and implemented reusable data visualization components using D3.js, ReCharts, and the React ecosystem, reducing development time for new dashboards
- Established code quality standards across a few projects, reducing reported bugs and improving sprint velocity
- Implemented robust state management patterns using Redux and Context API, creating a predictable and maintainable application architecture
Technologies Used
Software Engineer
FocalId Technologies (Pvt.) Ltd.
Collaborated with cross-functional teams to deliver responsive, high-performance frontend solutions while contributing to codebase improvements.
Key Achievements
- 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 that streamlined internal data labeling processes
- Integrated solutions with open-source data platforms, including N8N and DataHub, enhancing data analytics capabilities for enterprise clients
- Actively participated in agile ceremonies and translated UI/UX designs into responsive implementations that received client commendation
Technologies Used
Software Engineer
Simato Solutions (Pvt.) Ltd.
Delivered full-stack solutions for client projects with a focus on scalable architecture and innovative features.
Key Achievements
- 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 StarsLive platform, supporting 5K+ concurrent users during peak events
- Resolved complex performance bottlenecks in Angular applications, improving response times on high-traffic modules
- Integrated Genie payment gateway and implemented end-to-end subscription flows for Dialog and Mobitel
- Mentored a junior developer on best practices of full-stack development methodologies
Technologies Used
Software Engineer Intern
Simato Solutions (Pvt.) Ltd.
Extended due to exceptional performance. Supported development teams across multiple client projects.
Key Achievements
- Developed responsive UI components using AngularJS, Angular(2+), and Angular Material that were incorporated into 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
Technologies Used
Featured Projects
A showcase of innovative solutions, from AI-powered platforms to scalable web applications that make a real impact.
Highlighted Projects
AutoTrust.lk
A trust-focused digital platform for Sri Lanka's vehicle market designed to combat fraud and improve transparency in vehicle transactions.
MateSL
An AI-powered assistant platform designed to provide step-by-step guidance on government services, business processes, and daily procedures for Sri Lankan citizens.
All Projects
AutoTrust.lk
A trust-focused digital platform for Sri Lanka's vehicle market designed to combat fraud and improve transparency in vehicle transactions.
MateSL
An AI-powered assistant platform designed to provide step-by-step guidance on government services, business processes, and daily procedures for Sri Lankan citizens.
PlayArena
Full-stack event ticketing platform enabling users to discover venues, book tickets with real-time seat selection, and manage events.
Technical Skills
A comprehensive toolkit built through years of hands-on experience and continuous learning in modern web technologies.
What People Say
Testimonials from colleagues, managers, and clients I've had the pleasure to work with
"Sidath consistently delivered exceptional results as a Senior Software Engineer. His ability to architect reusable components and establish code quality standards significantly improved our development velocity. His mentorship of junior developers and technical leadership made him an invaluable team member."
Prasad Kumara
Development Manager
FocalId Technologies (Pvt.) Ltd.
"Working with Sidath over multiple years, I witnessed his growth from intern to a skilled full-stack engineer. His contributions to the Appmaker platform and StarsLive were outstanding. He has excellent problem-solving skills and always delivers high-quality, scalable solutions."
Chamil Thusantha
Software Architect
Simato Solutions (Pvt.) Ltd.
"I had the privilege of working with Sidath during his internship at Simato Solutions, where he contributed as a Full Stack Developer. During this time, Sidath played an active role in key projects such as Appmaker and Stars Live, where he demonstrated strong technical knowledge in both front-end and back-end development. His ability to quickly learn, adapt, and deliver quality work within deadlines added great value to the team. Beyond technical expertise, Sidath consistently displayed professionalism, problem-solving skills, and effective collaboration with colleagues."
Chethana Subasinghe
Senior Project Manager | Corporate Trainer | Visiting Lecturer
Simato Solutions (Pvt.) Ltd.
"I had the pleasure of collaborating with Sidath on several projects. His deep understanding of modern JavaScript frameworks and best practices is impressive. He writes clean, maintainable code and is always willing to share knowledge with the team."
Ishara Weerasinghe
Senior Frontend Developer
FocalId Technologies (Pvt.) Ltd.
Ready to work together and create something amazing?
Let's ConnectLet's Connect
Ready to discuss your next project or explore collaboration opportunities? I'd love to hear from you.
Get in Touch
Whether you're looking for a senior developer to join your team, need consultation on a technical project, or want to discuss potential collaborations, I'm always open to meaningful conversations.