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Thivaharan
// CAREER & HISTORY

7+ years of engineering digital systems & web apps.

A timeline of building high-performance web software, white-label agency partnerships, system refactoring, and delivering full-stack Next.js platforms for global clients.

2026 — Present• Contract / Freelance

Lead Full-Stack Next.js Engineer

Independent Technical Consultant (Global / Remote)

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

  • Architected modern web applications using Next.js 16 App Router, TypeScript, Supabase, and Tailwind CSS v4.
  • Achieved sub-second page load times and 98+ Core Web Vitals performance scores across all Vercel deployments.
  • Built custom automated intake forms, Stripe payment gateways, and real-time database query pipelines.
  • Maintained a 100% on-time delivery record with direct technical lead-to-client communication.
Next.js 16TypeScriptTailwind CSS v4SupabasePostgreSQLVercelStripe
2022 — 2025• Agency Partner

Senior Web Application Engineer

VTO Group (Toronto, Ontario, Canada (Remote))

Served as a core technical partner for a Canadian digital group, engineering high-converting commercial web platforms, property showcases, and corporate systems.

  • Architected and delivered 20+ custom web platforms for Canadian real estate developers, legal consultancies, and corporate groups (including Palmyra Homes and Libertas Immigration).
  • Transformed high-fidelity Figma blueprints into responsive, pixel-perfect frontend builds optimized for search visibility.
  • Optimized Core Web Vitals, site bundle sizes, and dynamic asset pipelines to maximize user engagement.
  • Handled production hosting, DNS routing, headless integrations, and technical maintenance across agency accounts.
ReactJavaScript (ES6+)Tailwind CSSHeadless CMSREST APIsUI/UX Design
2023 — 2024• Contract / Freelance

Frontend Web Engineer

Flatline Agency ®️ (Amsterdam, Netherlands (Remote))

Partnered with an elite Dutch digital agency to build bespoke, high-performance web applications and custom e-commerce interfaces for European brands.

  • Developed custom, responsive frontend components from Figma designs with smooth micro-interactions.
  • Reduced client site bundle sizes by up to 60% through aggressive code-splitting and asset optimization.
  • Integrated third-party APIs, custom checkout workflows, and dynamic state management.
ReactJavaScriptTailwind CSSFigma to CodeREST APIsE-Commerce
2020 — 2022• Full-Time

Software Engineer

Marvzen (Sri Lanka (Remote))

Developed robust web applications, internal dashboards, and database services for enterprise client workflows.

  • Engineered relational database schemas and type-safe API queries using Node.js and backend tooling.
  • Collaborated with product teams to deliver responsive UI components under tight delivery deadlines.
  • Managed server deployments, API integration pipelines, and database optimizations.
Node.jsExpressJavaScriptSQL/PostgreSQLREST APIsGit
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