<padmini.pal />

Immediate joiner — available to start now

Padmini
Pal

Ruby on Rails Developer — Immediate Joiner

Ruby on Rails Developer with 7+ years designing, developing and scaling enterprise applications across ATS, healthcare, e-commerce and SaaS. Expert in Rails 4–7, REST API design, PostgreSQL, AWS, Docker, Redis, Sidekiq, OAuth2/JWT, OpenAI API integration and performance optimization. Available to join immediately.

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  • 7+

    Years Experience

  • 0

    Days Notice Period

  • 85%

    API Perf Gain

  • 10K+

    Monthly Applications

// 01 — about

Architect of scalable systems

Ruby on Rails Developer with 7+ years designing, developing, and scaling enterprise web applications across ATS, healthcare, e-commerce, and SaaS domains. Immediate joiner.

Deep expertise in Rails 4–7 (ActiveModel, ActiveRecord, callbacks, routing, encryption), REST APIs, PostgreSQL, AWS, Docker, Redis, Sidekiq, OpenAI API integration, CI/CD, OAuth2/JWT, and performance optimization.

Experienced in leading feature development, mentoring engineers, modernizing legacy applications, and delivering cloud-native solutions. Passionate about clean, maintainable code and high-performance distributed systems.

const padmini = {
  focus: "FAANG-level engineering",
  status: "open to opportunities"
}

// 02 — skills

Technical Stack

7+ years deep

> Languages

  • Ruby
  • JavaScript
  • jQuery
  • SQL
  • HTML
  • CSS

> Frameworks

  • Ruby on Rails 4–7
  • AngularJS
  • Angular 12

> Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • PostGIS
  • Redis

> Cloud & DevOps

  • AWS (EC2, RDS, S3)
  • Docker
  • Capistrano
  • CircleCI
  • Git
  • Linux

> Testing

  • RSpec
  • Capybara
  • FactoryBot
  • TDD

> APIs & Tools

  • OpenAI API (Assistants, Prompt Engineering)
  • REST APIs
  • Sidekiq
  • Stripe API
  • Google APIs
  • Chrome Extension
  • CI/CD
  • Agile

// 03 — experience

Career Timeline

  1. Ruby on Rails Software Engineer

    Mar 2023 – Jul 2026

    Personnel Search Services Pvt. Ltd. · Remote

    • Led development of an enterprise Applicant Tracking System supporting 10,000+ monthly job applications
    • Migrated a legacy Rails 4 application to Rails 5, significantly improving maintainability and user experience
    • Built AI-powered resume parsing, job description generation and OCR with OpenAI APIs, cutting manual effort by 60%
    • Optimized PostgreSQL queries and REST APIs — average response time from 800ms to 120ms
    • Built scalable REST APIs with API versioning
    • Integrated Google Job Posting API, Google Custom Search, Chrome Extension, AWS S3 and third-party services
    • Established Service Object architecture, code review standards, CI/CD pipelines and deployment automation
    • Collaborated with product, QA and engineering teams using Agile methodologies

  2. Ruby on Rails Developer

    Dec 2019 – Mar 2023

    Yuvasoft Solutions Pvt. Ltd. · Full-time

    • Developed scalable web applications for healthcare, restaurant ordering, education and SaaS platforms
    • Designed RESTful API services consumed by mobile and web clients
    • Integrated Stripe, AWS S3, Google Maps API, Zoom API and third-party authentication
    • Improved performance with Sidekiq, Redis, ActiveJob, eager loading and query optimization
    • Practiced TDD with RSpec, FactoryBot and VCR, achieving 85%+ test coverage
    • Resolved production issues using New Relic and Sentry while maintaining high availability
    • Mentored junior developers; introduced reusable Service Object and Concern architecture
    • Migrated Stripe subscribers to the Chargebee payment gateway

  3. Software Engineering Intern

    Jun 2019 – Nov 2019

    Cyber Infrastructure Pvt. Ltd. · Internship

    • Developed Ruby on Rails modules following MVC architecture
    • Built REST APIs and contributed production-ready features
    • Worked with Git, Agile development, and collaborative engineering

// 04 — projects

Key Projects

PSS — Enterprise ATS

AI-Powered Applicant Tracking System

End-to-end recruitment platform with AI resume parsing, AI job description generation, image OCR, Rails 5 migration, custom Google search engine and social sharing.

  • Ruby on Rails
  • OpenAI API
  • PostgreSQL
  • AWS S3
  • Google Job Posting API

PSS — CareerTrack Chrome Extension

Recruiter Sourcing Extension

Backend development and Google Console management for a Chrome extension wired directly into the ATS for one-click candidate capture.

  • Ruby on Rails
  • Chrome Extension
  • Google Console
  • REST APIs

PSS — India Website

Corporate Site & Lead Capture

Backend development for the corporate website including feedback flows, client approach handling and Google reCAPTCHA protection.

  • Ruby on Rails
  • PostgreSQL
  • Google reCAPTCHA

Eat Okra

Restaurant Ordering Platform

Scalable Rails backend powering multi-restaurant ordering, with Sidekiq background processing built for idempotency, retries and queue priority.

  • Ruby on Rails
  • Sidekiq
  • Redis
  • REST APIs

Dabadoc

Healthcare Appointment Scheduling

Patient-doctor appointment platform with REST APIs documented via Postman collections, CircleCI deployment pipeline and a PostgreSQL data layer.

  • Ruby on Rails
  • PostgreSQL
  • CircleCI
  • REST APIs

AdSemble

Multi-Tenant Advertising Platform

Multi-tenant SaaS with Stripe subscriptions, AWS S3 media storage, Google Maps API and Hubspot CRM integration for client sync.

  • Ruby on Rails
  • Stripe
  • AWS S3
  • Google Maps
  • Hubspot

ERP Platform

Project & Employee Management SaaS

Multi-tenant project and employee management platform with Stripe subscription webhooks, JWT/OAuth2 authentication and migration to Chargebee.

  • Ruby on Rails
  • Stripe Webhooks
  • JWT / OAuth2
  • Chargebee

Student Tutor App

Education Portal — Built From Scratch

Tutor session platform with Zoom API and calendar integration, Stripe payments for session access, and Google login.

  • Ruby on Rails
  • Zoom API
  • Stripe
  • Google OAuth

// 05 — achievements

Impact by Numbers

85%

API response time improvement via PostgreSQL query optimization

40%

Deployment time reduction through CI/CD automation

60%

Manual recruiter effort reduced with AI automation

10K+

Monthly job applications processed on enterprise ATS

85%+

Test coverage maintained with RSpec and TDD practices

5+

Enterprise-scale production applications delivered

// 06 — education

education

Bachelor of Engineering — Computer Science

Indore Institute of Science and Technology

2015 – 2019

// 07 — contact

Let's build something great

Immediate joiner — zero notice period. Open to Ruby on Rails / backend engineering roles, remote-first teams and contract engagements. I typically reply to emails within a few hours.

Email

pdminip1297@gmail.com

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