I am a Senior š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« with 5+ š²šžššš«š¬ šØšŸ š”ššš§šš¬-šØš§ šžš±š©šžš«š¢šžš§šœšž, specializing in React, Next.js, Node.js, Java, and Spring Boot. I build scalable web applications, REST APIs, and enterprise backend systems, delivering secure, high-performance solutions for businesses. š—™š˜‚š—¹š—¹ š—¦š˜š—®š—°š—ø š—Ŗš—²š—Æ š——š—²š˜ƒš—²š—¹š—¼š—½š—ŗš—²š—»š˜ š…š«šØš§š­šžš§š ✦ React.js, Next.js, JavaScript, TypeScript ✦ Tailwind CSS, Bootstrap, HTML, CSS, SCSS ✦ Fast, responsive, modern user interfaces ššššœš¤šžš§š ✦ Node.js, Express.js, Spring Boot and Java ✦ Secure API development and business logic ✦ Authentication and role-based access šƒššš­ššš›ššš¬šžš¬ ✦ PostgreSQL, MySQL, Oracle ✦ MongoDB, Supabase, Firebase ✦ Clean database design and performance optimization š‚š„šØš®š & šƒšžšÆšŽš©š¬ ✦ AWS, Docker, CI/CD, VPS Servers ✦ Git-based workflows ✦ Stable, secure deployments š—£š—æš—¼š—·š—²š—°š˜š˜€ & š—”š—°š—°š—¼š—ŗš—½š—¹š—¶š˜€š—µš—ŗš—²š—»š˜š˜€ I have worked on multiple production-grade systems, including: ✦ Full stack web applications using React , Next.js and Node.js, Spring boot ✦ Enterprise backend systems built with Java Spring Boot ✦ Scalable REST APIs handling real world traffic ✦ Microservices based architectures for growing platforms ✦ Secure authentication and authorization systems š—§š—²š—°š—µš—»š—¶š—°š—®š—¹ š—•š—®š—°š—øš—“š—æš—¼š˜‚š—»š—± ✦ Strong foundation in software engineering principles ✦ Experience with enterprise grade Java systems ✦ Proven ability to work independently or within teams ✦ Comfortable handling both new builds and existing systems š–š”ššš­ š–šØš«š¤š¢š§š  š–š¢š­š” šŒšž š…šžšžš„š¬ š‹š¢š¤šž āœ” Clear and honest communication āœ” Clean, readable, well-organized code āœ” Strong ownership from start to finish āœ” Practical problem-solving āœ” Reliable delivery and post-launch support šš«šØš£šžšœš­š¬ šˆ š„š§š£šØš² š–šØš«š¤š¢š§š  šŽš§ → SaaS products → Admin panels & dashboards → API-driven platforms → Cloud-ready applications → Scalable business systems With 5+ years of experience and 600+ š¬š®šœšœšžš¬š¬šŸš®š„ š©š«šØš£šžšœš­š¬, I deliver Full Stack CMS sites, custom web apps, secure API integrations, and šŒš•š š…š®š„š„ š’š­šššœš¤ solutions that enhance performance, improve user experience, and generate sustainable growth. šŸ“Œ š‹šžš­ā€™š¬ šš®š¢š„š š’šØš¦šžš­š”š¢š§š  š“š”ššš­ š‹ššš¬š­š¬ If you want a š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« who communicates clearly, works responsibly, and builds software that stays solid over time - I’d love to work with you.…

SANDARUWAN JAYASUNDARA

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ī˜‚ī˜‚
ī˜‚ī˜‚
ī˜‚ī˜‚
ī˜‚

I am a Senior š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« with 5+ š²šžššš«š¬ šØšŸ š”ššš§šš¬-šØš§ šžš±š©šžš«š¢šžš§šœšž, specializing in React, Next.js, Node.js, Java, and Spring Boot. I build scalable web applications, REST APIs, and enterprise backend systems, delivering secure, high-performance solutions for businesses. š—™š˜‚š—¹š—¹ š—¦š˜š—®š—°š—ø š—Ŗš—²š—Æ š——š—²š˜ƒš—²š—¹š—¼š—½š—ŗš—²š—»š˜ š…š«šØš§š­šžš§š ✦ React.js, Next.js, JavaScript, TypeScript ✦ Tailwind CSS, Bootstrap, HTML, CSS, SCSS ✦ Fast, responsive, modern user interfaces ššššœš¤šžš§š ✦ Node.js, Express.js, Spring Boot and Java ✦ Secure API development and business logic ✦ Authentication and role-based access šƒššš­ššš›ššš¬šžš¬ ✦ PostgreSQL, MySQL, Oracle ✦ MongoDB, Supabase, Firebase ✦ Clean database design and performance optimization š‚š„šØš®š & šƒšžšÆšŽš©š¬ ✦ AWS, Docker, CI/CD, VPS Servers ✦ Git-based workflows ✦ Stable, secure deployments š—£š—æš—¼š—·š—²š—°š˜š˜€ & š—”š—°š—°š—¼š—ŗš—½š—¹š—¶š˜€š—µš—ŗš—²š—»š˜š˜€ I have worked on multiple production-grade systems, including: ✦ Full stack web applications using React , Next.js and Node.js, Spring boot ✦ Enterprise backend systems built with Java Spring Boot ✦ Scalable REST APIs handling real world traffic ✦ Microservices based architectures for growing platforms ✦ Secure authentication and authorization systems š—§š—²š—°š—µš—»š—¶š—°š—®š—¹ š—•š—®š—°š—øš—“š—æš—¼š˜‚š—»š—± ✦ Strong foundation in software engineering principles ✦ Experience with enterprise grade Java systems ✦ Proven ability to work independently or within teams ✦ Comfortable handling both new builds and existing systems š–š”ššš­ š–šØš«š¤š¢š§š  š–š¢š­š” šŒšž š…šžšžš„š¬ š‹š¢š¤šž āœ” Clear and honest communication āœ” Clean, readable, well-organized code āœ” Strong ownership from start to finish āœ” Practical problem-solving āœ” Reliable delivery and post-launch support šš«šØš£šžšœš­š¬ šˆ š„š§š£šØš² š–šØš«š¤š¢š§š  šŽš§ → SaaS products → Admin panels & dashboards → API-driven platforms → Cloud-ready applications → Scalable business systems With 5+ years of experience and 600+ š¬š®šœšœšžš¬š¬šŸš®š„ š©š«šØš£šžšœš­š¬, I deliver Full Stack CMS sites, custom web apps, secure API integrations, and šŒš•š š…š®š„š„ š’š­šššœš¤ solutions that enhance performance, improve user experience, and generate sustainable growth. šŸ“Œ š‹šžš­ā€™š¬ šš®š¢š„š š’šØš¦šžš­š”š¢š§š  š“š”ššš­ š‹ššš¬š­š¬ If you want a š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« who communicates clearly, works responsibly, and builds software that stays solid over time - I’d love to work with you.…

Available to hire

I am a Senior š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« with 5+ š²šžššš«š¬ šØšŸ š”ššš§šš¬-šØš§ šžš±š©šžš«š¢šžš§šœšž, specializing in React, Next.js, Node.js, Java, and Spring Boot. I build scalable web applications, REST APIs, and enterprise backend systems, delivering secure, high-performance solutions for businesses.

š—™š˜‚š—¹š—¹ š—¦š˜š—®š—°š—ø š—Ŗš—²š—Æ š——š—²š˜ƒš—²š—¹š—¼š—½š—ŗš—²š—»š˜
š…š«šØš§š­šžš§š
✦ React.js, Next.js, JavaScript, TypeScript
✦ Tailwind CSS, Bootstrap, HTML, CSS, SCSS
✦ Fast, responsive, modern user interfaces

ššššœš¤šžš§š
✦ Node.js, Express.js, Spring Boot and Java
✦ Secure API development and business logic
✦ Authentication and role-based access

šƒššš­ššš›ššš¬šžš¬
✦ PostgreSQL, MySQL, Oracle
✦ MongoDB, Supabase, Firebase
✦ Clean database design and performance optimization

š‚š„šØš®š & šƒšžšÆšŽš©š¬
✦ AWS, Docker, CI/CD, VPS Servers
✦ Git-based workflows
✦ Stable, secure deployments

š—£š—æš—¼š—·š—²š—°š˜š˜€ & š—”š—°š—°š—¼š—ŗš—½š—¹š—¶š˜€š—µš—ŗš—²š—»š˜š˜€
I have worked on multiple production-grade systems, including:
✦ Full stack web applications using React , Next.js and Node.js, Spring boot
✦ Enterprise backend systems built with Java Spring Boot
✦ Scalable REST APIs handling real world traffic
✦ Microservices based architectures for growing platforms
✦ Secure authentication and authorization systems

š—§š—²š—°š—µš—»š—¶š—°š—®š—¹ š—•š—®š—°š—øš—“š—æš—¼š˜‚š—»š—±
✦ Strong foundation in software engineering principles
✦ Experience with enterprise grade Java systems
✦ Proven ability to work independently or within teams
✦ Comfortable handling both new builds and existing systems

š–š”ššš­ š–šØš«š¤š¢š§š  š–š¢š­š” šŒšž š…šžšžš„š¬ š‹š¢š¤šž
āœ” Clear and honest communication
āœ” Clean, readable, well-organized code
āœ” Strong ownership from start to finish
āœ” Practical problem-solving
āœ” Reliable delivery and post-launch support

šš«šØš£šžšœš­š¬ šˆ š„š§š£šØš² š–šØš«š¤š¢š§š  šŽš§
→ SaaS products
→ Admin panels & dashboards
→ API-driven platforms
→ Cloud-ready applications
→ Scalable business systems

With 5+ years of experience and 600+ š¬š®šœšœšžš¬š¬šŸš®š„ š©š«šØš£šžšœš­š¬, I deliver Full Stack CMS sites, custom web apps, secure API integrations, and šŒš•š š…š®š„š„ š’š­šššœš¤ solutions that enhance performance, improve user experience, and generate sustainable growth.

šŸ“Œ š‹šžš­ā€™š¬ šš®š¢š„š š’šØš¦šžš­š”š¢š§š  š“š”ššš­ š‹ššš¬š­š¬
If you want a š…š®š„š„ š’š­šššœš¤ šƒšžšÆšžš„šØš©šžš« who communicates clearly, works responsibly, and builds software that stays solid over time - I’d love to work with you.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

English
Fluent
Sinhala, Sinhalese
Fluent

Work Experience

Senior Software Engineer at Decryptogen LLC
July 1, 2024 - Present
Designed and implemented scalable full-stack frontend and backend solutions, improving system reliability, reducing latency, and enhancing user experience while providing technical leadership to the engineering team.
Software Engineer at Mobitel (Pvt) Ltd
March 1, 2023 - July 1, 2024
Worked as a Full-Stack Developer on the DMS team, designing and implementing secure frontend, backend, and database applications for enterprise data management.
Associate Software Engineer at Wenthura Solutions (Pvt) Ltd
May 1, 2022 - November 1, 2023
Contributed to R&D healthcare applications as a Full-Stack Developer, implementing frontend interfaces, backend services, and database components.
Intern Software Engineer at Wenthura Solutions (Pvt) Ltd
November 1, 2021 - May 1, 2022
Supported the development of healthcare-focused full-stack applications within the R&D team, assisting with frontend, backend, and database development tasks.

Education

B.Sc. (Hons) in Information Technology specializing in Software Engineering at Sri Lanka Institute of Information Technology (SLII T)
January 1, 2019 - December 31, 2023
Certificate in Software Engineering at National Institute of Business Management (NIBM)
January 1, 2017 - December 31, 2018
B.Sc. (Hons) in Information Technology Specializing in Software Engineering at Sri Lanka Institute of Information Technology (SLIIT)
January 1, 2019 - January 1, 2023
Certificate in Software Engineering at National Institute of Business Management (NIBM)
January 1, 2017 - January 1, 2018
Diploma in Modern Application Development at NPTEL
January 1, 2021 - January 16, 2026

Qualifications

AWS Certified Cloud Practitioner
April 1, 2025 - December 21, 2025
GPT Prompt Engineering
October 1, 2024 - December 21, 2025
LangChain for LLM Applications
June 1, 2024 - December 21, 2025
AWS for Games: Cloud Game Development
August 1, 2023 - December 21, 2025
Diploma in Modern Application Development
January 1, 2021 - December 21, 2025
AWS Certified Cloud Practitioner (Amazon Web Services Skill Builder)
April 1, 2025 - January 16, 2026
GPT Prompt Engineering (Deeplearning.ai)
October 1, 2024 - January 16, 2026
LangChain for LLM Applications (Deeplearning.ai)
June 1, 2024 - January 16, 2026
AWS for Games: Cloud Game Development (Amazon Web Services Skill Builder)
August 1, 2023 - January 16, 2026
Diploma in Modern Application Development (NPTEL)
January 1, 2021 - January 16, 2026

Industry Experience

Software & Internet, Healthcare, Professional Services, Telecommunications
    uniE621 Relax Intimate eCommerce Website
    Developed a full stack eCommerce website for Relax Intimate, a clothing brand specializing in intimate apparel. Built using the MERN stack with React, Node.js, Express, and MongoDB, the platform includes a responsive customer-facing store with product listings, search, secure authentication, shopping cart, and checkout, along with a robust admin panel for product, order, and user management. The solution improved online visibility, increased sales, and streamlined business operations. webdesigner fullstackdeveloper…
    uniE621 Exivio Website and CMS Portal
    Developed a full stack website and admin portal for Exivio, a software company, to enhance digital presence and client engagement. Built using the MERN stack with React, Node.js, Express, and MongoDB, the platform includes a responsive public website and a powerful admin portal with AI-powered traffic detection, content management, and real-time monitoring dashboards. The solution streamlined internal operations and strengthened brand visibility through modern full stack architecture. webdesigner fullstackdeveloper mernstack designer websitedeveloper…
    paper Full Stack Real Estate Website Development

    Nestly is a modern real estate website built using full stack development principles with React, delivering a fast, responsive, and user-friendly experience for property listings and real estate businesses. Developed following full stack web development best practices, the website features a clean user interface, optimized navigation, and scalable frontend development and backend development architecture with REST API readiness, performance optimization, secure data handling, and seamless usability across all devices and screen sizes.

    #fullstackdeveloper #webdeeigner #webdeveloper #softwareengineer