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Thivaharan
// CAREER & HISTORY

4+ years of engineering digital systems & web apps.

A timeline of building web software, agency partnerships, performance refactoring, and delivering full-stack platforms across international markets.

2022 — Present• Contract / Freelance

Lead Full-Stack Next.js Engineer

Independent Technical Consultant (Global / Remote)

Engineering high-speed Next.js web applications, client portals, and e-commerce platforms for marketing agencies and international clients across Canada, Europe, UAE, and Asia.

  • Architected and shipped 24+ web platforms using Next.js App Router, TypeScript, and Supabase.
  • Achieved sub-second page load times and 99+ Core Web Vitals Lighthouse scores across all client deployments.
  • Built custom automated intake forms, Stripe payment gateways, and real-time database query pipelines.
  • Maintained 100% project delivery rate on time with direct developer-to-client communication.
Next.js 16TypeScriptTailwind CSS v4SupabasePostgreSQLVercelStripe
2021 — 2023• Agency Partner

Senior Web Application Engineer

Digital Agency Partner Network (Canada & Netherlands)

Partnered with creative and marketing agencies to transform complex Figma blueprints into production-ready full-stack applications with fluid micro-interactions.

  • Refactored legacy Monolith codebases into modern Headless Next.js and Sanity CMS architectures.
  • Integrated Sanity CMS and Stripe e-commerce checkout flows for European luxury brands.
  • Automated CI/CD deployment pipelines using Vercel and GitHub Actions for continuous integration.
  • Reduced client site bundle sizes by up to 60% through aggressive code-splitting and asset optimization.
Next.jsReactTypeScriptSanity CMSFramer MotionTailwind CSS
2020 — 2021• Full-Time

Full-Stack Web Developer

Enterprise & Tech Solutions (Sri Lanka)

Developed scalable web portals, logistics dashboards, and corporate websites for corporate groups and regional business ecosystems.

  • Engineered courier tracking and tariff calculator APIs serving thousands of daily user queries.
  • Designed relational database schemas using PostgreSQL and Prisma ORM for type-safe data access.
  • Collaborated with cross-functional product teams to deliver responsive UI components under tight deadlines.
ReactNode.jsExpressPostgreSQLPrismaREST APIsCSS3/Tailwind
READY FOR TECHNICAL PARTNERSHIPS

Ready to elevate your
digital infrastructure?

Let's discuss how my Next.js, full-stack, and performance optimization capabilities can turn your technical requirements into a fast, scalable product.

thivasel@gmail.com
✓Sub-Second Page Loads
✓Clean Architectural Code
✓End-to-End Ownership
Chat with thiva