Janaka Chamith.

Software Engineer

Building full-stack web experiences for 3+ years — now blending them with the power of AI.

My Specializations

Focused on creating intelligent, interactive experiences at the intersection of AI and design

AI Integration

Seamlessly integrating artificial intelligence into applications to create intelligent, adaptive user experiences that solve real-world problems.

Natural Language Processing
Generative AI & LLMs
Retrieval-Augmented Generation (RAG)
AI-Driven Automation
Agentic AI Solutions
Full-Stack Development

Building scalable, high-performance web applications from front-end to back-end with a focus on modern architecture, security, and seamless user experience.

User-Centered Architecture
Performance & Scalability
REST APIs & Authentication
Database Design & Optimization
Mobile Applications

Creating cross-platform mobile experiences that are responsive, performant, and tailored for user engagement on the go.

Cross-Platform Experiences
Real-Time Engagement
Mobile Accessibility
User Retention Strategies

Ready to innovate?

Let's create something amazing together

Featured Projects

Showcasing my expertise in AI integration and full-stack development

AI Agent-Driven Projects

Smart applications built using LangChain, OpenAI, Gemini, Ollama, and other powerful LLMs. These projects showcase intelligent agents, tool integrations, and automated workflows designed for real-world tasks.

AI PDF Summarizer
AI PDF Summarizer
Summarize PDF using Gen AI - Gemini - Vercel AI SDK
NEXT JSTAILWINDCSSCLERKGEMINIVERCEL AI SDKUpload Thing

Other projects

Some other projects. I have done in the past.

Ecommerce Website with stripe and Ethereum payment
Developed website for Vijitha Electronics sell their products online. with the stripe and Ethereum payment methods
NEXT JSREACT JSTAILWINDCSSMONGO DBFIREBASE STORAGESOLIDITYSTRIPE
Freelance Website for drawing artist in Sri Lanka
Discover a dedicated platform connecting freelance drawing artists in Sri Lanka. Unlock opportunities, showcase skills, and thrive in the vibrant world of digital artistry.
EXPRESSNODE JSMYSQLCLOUDINARYEJS
Ecommerce Website with stripe
Developed website for sell digital products with the stripe payment method using .NET Core ,Next JS, MySQL and Cloudinary For storage.
NEXT JSREACT JS.NET CoreMySQLCloudinarySTRIPE
Personal Blog
Crafted my own space online - a personal blog where I share thoughts, experiences, and musings. Dive into my world through stories and reflections.
NEXT JSREACT JSTAILWINDCSSMONGO DBTYPESCRIPT
Agency Website
Crafted a dynamic landing page for Dev Solutions, showcasing cutting-edge technology services, expertise, and a client-centric approach. Elevate your online presence with our sleek design and innovative features.
REACTREACT JSTAILWINDCSS
Personal Portfolio
Take a glimpse into this sample portfolio, illustrating design, content, and structure. An embodiment of creativity and presentation excellence.
REACTTAILWINDCSS
Ecommerce Landing page
Landing page design for ecommerce website.
REACTTAILWINDCSS

Professional Experience

My journey through the tech industry, specializing in AI and frontend development

Associate Software Engineer June/2024 - Present
Artslab Creatives

Leading the end-to-end development of full-stack, AI-powered applications for enterprise clients. Spearheading the integration of Large Language Models (LLMs) into web platforms, ensuring robust performance, scalability, and security. Building modern web applications using Next.js and Node.js, with a strong focus on full-stack architecture, responsive UI/UX, and efficient data flow across systems.

Key Achievements:

  • Collaborated with cross-functional teams to develop, test, and deploy high-quality, scalable software solutions for clients.
  • Completed various full-stack development tasks in a team-oriented Agile environment, ensuring efficiency and continuous improvement.
  • Developed and maintained databases, optimizing performance, security, and scalability while implementing user authentication and authorization mechanisms.
  • Contributed to the design and implementation of a RESTful API, enhancing web application integration and management.
  • Integrated Generative AI and Large Language Models (LLMs) to build next-generation applications, enhancing automation, personalization, and efficiency.
  • Actively participated in development meetings and continuous improvement initiatives, contributing to team growth and refining project delivery processes.
  • Engaged in ongoing education to stay current with emerging technologies and best practices in full-stack development, including CI/CD, cloud technologies (AWS and GCP), artificial intelligence, and machine learning to enhance user experience and scalability.
  • Built Retrieval-Augmented Generation (RAG) chatbots using LLMs and vector databases to deliver context-aware, intelligent responses in real-time applications.
  • Worked with Three.js to create interactive 3D experiences on the web, bringing immersive and visually engaging elements to modern web applications.
Next.jsPostgreSQLMongo DBLLMsVector DBNode JSExpressAWSGCPReact.jsUX/UI
Associate Software Engineer June/2024 - Present
Artslab Creatives

Leading the end-to-end development of full-stack, AI-powered applications for enterprise clients. Spearheading the integration of Large Language Models (LLMs) into web platforms, ensuring robust performance, scalability, and security. Building modern web applications using Next.js and Node.js, with a strong focus on full-stack architecture, responsive UI/UX, and efficient data flow across systems.

Key Achievements:

  • Collaborated with cross-functional teams to develop, test, and deploy high-quality, scalable software solutions for clients.
  • Completed various full-stack development tasks in a team-oriented Agile environment, ensuring efficiency and continuous improvement.
  • Developed and maintained databases, optimizing performance, security, and scalability while implementing user authentication and authorization mechanisms.
  • Contributed to the design and implementation of a RESTful API, enhancing web application integration and management.
  • Integrated Generative AI and Large Language Models (LLMs) to build next-generation applications, enhancing automation, personalization, and efficiency.
  • Actively participated in development meetings and continuous improvement initiatives, contributing to team growth and refining project delivery processes.
  • Engaged in ongoing education to stay current with emerging technologies and best practices in full-stack development, including CI/CD, cloud technologies (AWS and GCP), artificial intelligence, and machine learning to enhance user experience and scalability.
  • Built Retrieval-Augmented Generation (RAG) chatbots using LLMs and vector databases to deliver context-aware, intelligent responses in real-time applications.
  • Worked with Three.js to create interactive 3D experiences on the web, bringing immersive and visually engaging elements to modern web applications.
Next.jsPostgreSQLMongo DBLLMsVector DBNode JSExpressAWSGCPReact.jsUX/UI
Freelance Software Engineer2021 - Present
Freealnce

Worked independently on a wide range of full-stack web and mobile projects using React.js, Node.js, and React Native. Designed and developed smart systems leveraging LLMs, including intelligent route suggestion engines and AI chatbots using RAG (Retrieval-Augmented Generation) techniques and vector databases. Also integrated Web3 solutions for crypto payment systems and built performant, accessible user interfaces.

Key Achievements:

  • Built and deployed full-stack applications using React.js and Node.js, focusing on scalable architecture and responsive design.
  • Developed cross-platform mobile apps using React Native, ensuring high performance and smooth UX.
  • Integrated Web3 technologies to enable secure crypto payments on client websites.
  • Engineered smart systems powered by LLMs, including intelligent route suggestion platforms and AI chatbots using RAG pipelines with vector databases.
  • Integrated crypto payment systems into web applications using Web3.js and MetaMask, enabling seamless blockchain transactions.
  • Collaborated with clients to design and audit smart contracts for handling payments, subscriptions, and NFT-based access systems.
  • Designed and developed custom WordPress websites for clients, focusing on performance, responsiveness, and user-friendly interfaces.
  • Created and published SEO-optimized articles targeting niche keywords to boost organic traffic and domain authority.
  • Integrated SEO best practices into web development workflows to ensure long-term visibility and search engine performance.
ReactTypeScriptTailwind CSSMongo DBMySQLPostgreSQLSolidityNext.jsPostgreSQLReact NativeGraphQLVector DBWordpress
Freelance Software Engineer2021 - Present
Freealnce

Worked independently on a wide range of full-stack web and mobile projects using React.js, Node.js, and React Native. Designed and developed smart systems leveraging LLMs, including intelligent route suggestion engines and AI chatbots using RAG (Retrieval-Augmented Generation) techniques and vector databases. Also integrated Web3 solutions for crypto payment systems and built performant, accessible user interfaces.

Key Achievements:

  • Built and deployed full-stack applications using React.js and Node.js, focusing on scalable architecture and responsive design.
  • Developed cross-platform mobile apps using React Native, ensuring high performance and smooth UX.
  • Integrated Web3 technologies to enable secure crypto payments on client websites.
  • Engineered smart systems powered by LLMs, including intelligent route suggestion platforms and AI chatbots using RAG pipelines with vector databases.
  • Integrated crypto payment systems into web applications using Web3.js and MetaMask, enabling seamless blockchain transactions.
  • Collaborated with clients to design and audit smart contracts for handling payments, subscriptions, and NFT-based access systems.
  • Designed and developed custom WordPress websites for clients, focusing on performance, responsiveness, and user-friendly interfaces.
  • Created and published SEO-optimized articles targeting niche keywords to boost organic traffic and domain authority.
  • Integrated SEO best practices into web development workflows to ensure long-term visibility and search engine performance.
ReactTypeScriptTailwind CSSMongo DBMySQLPostgreSQLSolidityNext.jsPostgreSQLReact NativeGraphQLVector DBWordpress

Get In Touch

Have a project in mind or want to discuss collaboration opportunities? Let's talk!

Contact Information
Feel free to reach out through any of these channels

Email

janakachamith99@gmail.com

Phone

+94 (76) 766-1535

Location

Walapane, Sri Lanka

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