Hi, I'm Vaishnav

Vaishnav P M
Full Stack Engineer

I build backend-heavy SaaS — APIs, auth systems, and real-time features that scale.

About

About Me

Full Stack Engineer with 3+ years shipping production SaaS and CRM platforms. I specialise in backend architecture — REST APIs, multi-tenant systems, authentication flows, and real-time features. I own features end-to-end, from database design to the React UI.

Experience

3+ Years

Role

Full Stack Engineer

Core Stack

NestJS · Node.js · React · PostgreSQL

Location

Trivandrum, Kerala, India

Experience

Work History

Enfin Technologies

Software Engineer · Trivandrum

2024 — Present

Building backend-heavy SaaS and CRM modules for enterprise clients, including a multi-tenant ticketing and asset management platform.

  • Architected a multi-tenant ticketing platform with organisation-scoped data access and RBAC — supporting concurrent enterprise clients without data leakage.
  • Implemented JWT, LDAP/Active Directory, and Google OAuth authentication flows with secure token handling, reducing auth-related support tickets.
  • Integrated Redis and Bull-based queue processing for async email, SMS, and in-app notification delivery, decoupling notification load from the main API.
  • Built real-time notification features using Socket.IO and WebSockets, enabling live status updates across the platform.

BairuhaTech

Full Stack Developer · Calicut

2023 — 2024

Delivered 6+ web and mobile applications across booking, CRM, and commerce domains using React, React Native, NestJS, and PostgreSQL.

  • Delivered 6+ production web and mobile apps end-to-end, covering frontend, backend APIs, and database workflows.
  • Designed backend services following clean architecture principles, reducing defect rework and improving maintainability across projects.
  • Integrated Firebase Authentication and OTP-based login systems for mobile-first applications.
  • Optimised PostgreSQL and Oracle queries, improving query execution performance and API response efficiency.

CMS IT Services Pvt Ltd

IT Support Engineer · Cochin

2020 — 2021

Provided L2 application and infrastructure support for enterprise environments serving 100+ daily users.

  • Supported 100+ daily users across application, network, and server incidents while maintaining high SLA compliance.
  • Resolved system and infrastructure issues in enterprise environments, building a strong foundation in production operations.

Skills

Tech Stack

Languages

JavaScriptTypeScript

Frontend

React.jsNext.jsReact NativeTailwind CSSshadcn/uiReduxReact Query

Backend

Node.jsNestJSREST API DesignWebSocketsSocket.IOBull Queues

Databases & Caching

PostgreSQLOracleRedisSQL Query OptimisationData Modelling

Security

JWTLDAP / Active DirectoryGoogle OAuthRBACAES-256 Encryption

Tools & Practices

GitDockerCI/CDAgile / ScrumProduction Debugging

Projects

Selected Work

01
Featured

Enterprise Ticketing & Asset Management

Multi-tenant SaaS platform for enterprise IT operations

A multi-tenant SaaS platform handling ticketing, asset tracking, workflow automation, and RBAC-based access control for enterprise clients. Built with NestJS, PostgreSQL, Redis, and Socket.IO.

NestJSReact.jsPostgreSQLRedisSocket.IOBullJWTTypeScript

Full Stack Engineer

2024

02
Featured

Marketing Research SaaS Platform

Multi-tenant workspace for research teams

A multi-tenant marketing research platform where organisations manage their own workspace, users, projects, and studies. Built SSR-enabled Next.js pages with meeting, calendar, polls, and takeaway interfaces.

Next.jsReact.jsReduxTypeScriptPostgreSQLNestJS

Frontend & Backend Engineer

2024

03

Travel CRM

Itinerary and customer workflow management

Full-stack CRM for travel operations — itinerary management, dynamic scheduling, customer workflows, and package management with reusable UI components and API integrations.

React.jsNestJSPostgreSQLTypeScript

Full Stack Developer

2023

04

Kenya Airways — Staff Booking Portal

Internal booking and scheduling system

Staff-facing portal for Kenya Airways with booking workflows, scheduling features, and optimised relational database interactions for operational reliability.

React.jsNestJSPostgreSQLTypeScript

Full Stack Developer

2023

05

Commerce Platforms — NextME / Rockana

E-commerce and customer management systems

Frontend modules, backend APIs, and database integrations for commerce and customer management. Covered product listings, order workflows, and customer operations.

React.jsReact NativeNestJSPostgreSQLFirebase

Full Stack Developer

2023

Contact

Got a project in mind?
Let's talk.

I'm open to backend-focused full-stack roles and contract work. Reach out via email or LinkedIn.