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Adarsh.
Portrait of Adarsh S Pillai

Kerala, India

Adarsh S Pillai

Building scalable products.

Multi-tenant SaaS platforms, billing systems and production-grade APIs with React, Node.js and TypeScript.

Full Stack Engineer · MERN · AI Integrations · SaaS Architecture

01About

Calm code for ambitious products.

I turn messy, real-world workflows into calm, reliable software that people actually enjoy using.

01

Overview

Full Stack Engineer with 3+ years of experience building scalable SaaS platforms, AI-powered applications, and production-ready web systems using React, Node.js, TypeScript, MongoDB, and cloud technologies. Experienced in designing multi-tenant architectures, subscription and marketplace systems, AI/LLM integrations, real-time communication, and cloud-native microservices. Strong focus on performance optimization, API design, automation, and delivering maintainable production-grade solutions.

02

My story

I grew up in Kerala and fell for software the way most of us do: by breaking things to see how they worked. These days I turn messy, real-world workflows into calm, reliable products.

At Haspaces I helped build SaaS platforms for HR teams and recruiters: multi-tenant architecture, Stripe billing, and AI integrations for job-description generation and voice interviews. I enjoy the whole stack, from database indexes to the last pixel of an interaction.

03

What I care about

  • 0

    Performance

    • LCP 1.1s
    • CLS 0
    • TBT 40ms

    Performance

    Fast first loads, lean bundles, and queries that stay quick as data grows.

  • GET /v1/candidates?status=active
    200 OK · 38ms
    {
      "data": [ … 24 items ],
      "next": "c_2fA9"
    }

    Clean APIs

    Predictable contracts, clear errors, and documentation people actually read.

  • refactor: extract billing service
    • billing/service.ts
    • billing/legacy.ts
    • billing/service.test.ts
    +12 −48 142 tests passing

    Maintainable systems

    Code the next engineer can understand, test, and change without fear.

  • Draft a JD for a senior React dev

    Draft ready
    ~70% less manual effort

    Practical AI integrations

    LLM features that remove real manual work, not demos that impress once.

02Experience

Three years of shipping to production.

Software Engineer

HaspacesThiruvananthapuram

Jun 2023 - Sep 2026

Project 01

OCTAGNT

Agentic AI candidate shortlisting platform

Read case study
  • OpenAI
  • GCP
  • Twilio
  • Zoho CRM
  • Docker
  • AWS

Project 02

SKILLKEEPR

HR & recruitment SaaS

Read case study
  • Multi-tenant
  • RBAC
  • Stripe
  • MongoDB
  • Socket.IO
  • Jitsi

03Skills

A toolkit for the whole stack.

  • 01

    Frontend

    • React.js
    • Next.js
    • Redux
    • Redux-Saga
    • Tailwind CSS
    • Mantine
    • Material UI
  • 02

    Backend

    • Node.js
    • Express.js
    • REST API Design
    • Socket.IO
    • JWT
    • Webhooks
    • Swagger / OpenAPI
  • 03

    Languages

    • JavaScript
    • TypeScript
    • HTML5
    • CSS3
    • SCSS
  • 04

    Databases

    • MongoDB (Mongoose)
    • PostgreSQL
    • Firebase
  • 05

    Cloud & DevOps

    • AWS (Lambda, S3)
    • Google Cloud Platform
    • Docker
    • GitHub Actions / CI
  • 06

    Architecture

    • Microservices
    • Serverless
    • Event-Driven
    • Multi-tenant
    • SOLID
  • 07

    Integrations & APIs

    • Stripe
    • Razorpay
    • Twilio
    • Zoho CRM
    • Anthropic API
    • OpenAI API
  • 08

    Testing & Quality

    • Jest
    • Unit & API Testing
    • Postman
    • Code Reviews
    • Logging & Monitoring
  • 09

    Tools & Workflow

    • Git / GitHub
    • Jira
    • Agile / Scrum
    • Claude Code
    • GitHub Copilot
ReactNext.jsTypeScriptNode.jsExpressMongoDBPostgreSQLReduxTailwindSocket.IODockerGoogle CloudStripeFirebaseJestAnthropicGitHub Actions
FrontendBackendLanguagesDatabasesCloud & DevOpsArchitectureIntegrations & APIsTesting & QualityTools & Workflow

04Selected work

Products I’ve helped bring to life.

Websites built for clients: live, in use and easy to visit.

05Beyond code

Life outside the terminal.

On the field

Cricket

Weekend tournaments, late-night finishes and a few trophies along the way.

Adarsh playing a shot at the crease
Adarsh holding a trophy
Adarsh with his cricket team and their trophies
Adarsh walking out to bat in an orange number 3 jersey

All-time favourites

Movies

Weekend marathons, rewatching favourites and arguing about endings.

  1. Meiyazhagan poster
    1Meiyazhagan2024
  2. The Pursuit of Happyness poster
    2The Pursuit of Happyness2006
  3. The Shawshank Redemption poster
    3The Shawshank Redemption1994
  • Music

    Always something playing while I code.

  • Travel

    Collecting coastlines, hill stations and long train rides.

  • Gaming

    Unwinding with a controller after long builds.

  • Photography

    Chasing good light and small moments.

06Education

Where the foundations were laid.

  1. 2017 - 2019

    Higher Secondary

    Metropolitan Higher Secondary School

    Puthencavu, Kerala

  2. 2019 - 2022

    BSc Computer Science

    Sree Ayyappa College

    Eramallikkara, Chengannur

Open to work.Available for new opportunities.

Based in Kerala, India.

I also take on freelance work. If you need a website or an app built, get in touch.

  • Kerala· Home
  • Thiruvananthapuram· Haspaces
  • Birmingham, UK· AJ Homes

Drag to spin

07Contact

Let’s build something worth shipping.

Local time

Kerala, India ·