Abin S Chandran
Freelance Software Developer & Architect
Freelance Software Development & Solution Architecture
My name is Abin S Chandran (also known as Abin or Abin S), a Freelance Full-Stack Developer and Solution Architect with over 5 years of professional experience building custom web applications, high-concurrency microservices, and enterprise digital platforms. Based in Kerala, India, I serve startups, small businesses, and growing companies locally across India and remotely worldwide. My core tech stack includes Node.js, Express.js, JavaScript, TypeScript, React 19, Next.js 15, PostgreSQL, MongoDB, REST APIs, and AWS Cloud.
Clean Architecture
Designing decoupled Node.js backends and Next.js frontends with strict boundary controls to prevent code rot and technical debt.
Security & Auth First
Implementing secure JWT token verification, OAuth2 authentication, rate limiting, and role-based access control (RBAC).
Fast Latencies & SLAs
Optimizing SQL database queries, Redis caching layers, and front-end bundle sizes to deliver fast page load speeds.
How I Work With Freelance Clients
Discovery & Requirements Blueprinting
Analyzing project objectives, target users, security requirements, and database schema needs before writing code.
Agile Architecture & Iterative Development
Building clean Node.js backend REST APIs and Next.js / React frontends with regular milestone updates on GitHub.
Quality Assurance & Performance Audit
Rigorous testing, API security checks, database query indexing, and mobile responsiveness validation.
Cloud Deployment & Post-Launch Handoff
Deploying production builds to AWS, Vercel, or custom servers with automated backups, documentation, and ongoing maintenance.