Software Developer · Portfolio

VisanthArusamy

Building modern web experiences, scalable applications, and impactful digital products — with security at the core of everything I ship.

About

Engineering with care, security, and intent.

I'm Visanth Arusamy — a software developer who builds modern, scalable web products where security isn't an afterthought. From polished interfaces to dependable backends, I ship work that feels premium and holds up under real-world pressure.

My approach is deliberate: understand the problem, design for clarity, validate ruthlessly, and leave the codebase better than I found it. I care about clean architecture, thoughtful UX, and the quiet confidence that comes from software people can trust.

Great software isn't just fast and functional — it's safe and trustworthy.

What I Work With

Skills

A toolkit shaped by full-stack delivery, cinematic UI craft, and a security-first mindset.

Full-Stack Web

  • Ruby on Rails
  • React
  • Next.js
  • JavaScript
  • PostgreSQL
  • REST APIs

Frontend / UI

  • Three.js
  • GSAP
  • CSS / CSS Modules
  • Responsive design
  • Animation

Security

  • Secure authentication
  • Input validation
  • OWASP top-10 awareness
  • XSS / SQL injection / CSRF
  • Data encryption
  • Secure coding practices

Cloud

  • AWS
  • Docker
  • GitHub Actions
  • CI/CD pipelines
  • Vercel / Render deploys

AI Engineering

  • LLM integration
  • AI-powered features
  • Prompt design
  • API orchestration

Experience

Where I've built

  1. Full-Stack Developer

    Northline Digital

    • Shipped Rails + React features that cut onboarding time by 30% for new tenants.
    • Hardened auth flows with CSRF protection, session rotation, and input sanitization.
    • Partnered on API design and PostgreSQL indexing for a 2× faster dashboard load.

  2. Junior Rails Developer

    Beacon Apps Studio

    • Built REST endpoints and background jobs powering a multi-tenant SaaS billing module.
    • Introduced request specs and CI gates that reduced regression bugs in releases.
    • Refactored legacy views into React components with accessible, responsive layouts.

  3. Software Developer Intern

    Civic Stack Labs

    • Delivered internal tools in Rails that automated reporting for a 12-person ops team.
    • Documented secure coding guidelines adopted across two product squads.
    • Prototyped GSAP-driven marketing pages that improved demo conversion rates.

Selected Work

Projects

TenantFlow

Multi-tenant SaaS on Rails

A Rails + PostgreSQL platform for onboarding teams with role-based access. Hardened session handling and audit logging for compliance-sensitive workflows.

  • Ruby on Rails
  • PostgreSQL
  • React
  • Sidekiq
LiveCode

Lumen Scroll

Cinematic marketing experience

A Next.js landing page with GSAP scroll choreography and Three.js particles — built to feel like a film, not a template.

  • Next.js
  • GSAP
  • Three.js
  • CSS Modules
LiveCode

Sentinel Auth

Security-first authentication kit

Reusable auth flows with CSRF tokens, bcrypt cost tuning, rate limiting, and OWASP-aligned validation patterns for Rails APIs.

  • Rails
  • JWT
  • Rack::Attack
  • RSpec
LiveCode

Pipeline Atlas

Deploy & observability dashboard

CI/CD visibility across GitHub Actions and cloud deploys — surfacing build health, rollbacks, and environment drift in one glass UI.

  • GitHub Actions
  • Docker
  • AWS
  • Next.js
LiveCode

QueryCraft

LLM-assisted developer tool

An AI layer that turns natural-language questions into safe, read-only SQL previews with prompt guardrails and audit trails.

  • OpenAI API
  • Rails
  • PostgreSQL
  • React
LiveCode

Harbor Cart

E-commerce Rails prototype

Checkout flows with encrypted payment tokens, inventory locks, and XSS-safe templating — a full-stack exercise in trustworthy commerce.

  • Rails
  • Stripe
  • Hotwire
  • PostgreSQL
LiveCode

Writing

Blog

Notes on secure engineering, cinematic UI, and the craft of building software that lasts.

Get In Touch

Let's build something secure, scalable, and thoughtful.

Whether it's a product idea, a freelance engagement, or a role worth discussing — I'd love to hear from you.

EmailGitHubLinkedIn

Demo form — client-side validation only. Wire to a backend or email service before going live.