Available for opportunities

Head of Engineering & Full Stack Architect

0+
Years Exp.
0+
Engineers Led
0M+ Users
Served Live
Subhan Abid
Subhan Abid
// Head of Engineering @ AmentoTech
Ruby on Rails
React.js
Elixir / Phoenix
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Built with the right tools

⚙️
Languages
JavaScriptTypeScriptRubyElixirNode.jsC#
🌐
Backend & Frameworks
Ruby on RailsElixir/PhoenixExpress.jsREST APIsSidekiq
⚛️
Frontend & Mobile
React.jsReact NativeMaterial UIAnt DesignHTML5/CSS3
🗄️
Databases
PostgreSQLMongoDBMySQLMSSQLRDS Optimization
☁️
DevOps & Cloud
AWSDocker/ECSJenkinsHerokuCapistranoNginx
🔗
Integrations
ShopifySalesforceStripe/PayPalQuickBooksZoho CRM

Where I've built

Head of Engineering
AMENTO TECH PVT LTD
2024 — Present
Leading engineering with 60% hands-on development and 40% leadership. Architecting full-stack solutions with real-time social media integrations and automated payout systems.
Staff Software Engineer
10 Pearls
2021 — 2024
Led BE/FE teams across enterprise-scale projects. Documented technical requirements, optimized production infrastructure, and implemented QA test plans on live customer data.
Senior Software Engineer
Evolverstech
2020 — 2021
Delivered multi-tenant SaaS platforms with subscription management, time tracking, and CRM integrations. Owned full deployment pipeline from staging to production.
Senior Ruby on Rails Engineer
TechClan
2019 — 2020
Built and optimized CRM features for European business clients. Reduced test suite runtime by 50% and implemented payment integrations with Stripe and QuickBooks.
Ruby on Rails Engineer
PloyVista
2016 — 2018
Built high-scale e-commerce catalog systems serving millions of users. Performed infrastructure migrations and optimized background job processing pipelines.

Systems that move
real business.

Every project below was architected, led, and shipped by me. End to end.

Affiliate Marketing

Shopify-Powered Affiliate Campaign & Commission Engine

Lead Engineer · Full Stack · Shopify Architect

A comprehensive affiliate marketing platform enabling Shopify store owners to drive sales through campaigns, gifting suites, and structured discount codes. I architected the commission distribution system, integrated real-time social analytics from Instagram, Meta, and TikTok, and built automated payout flows via third-party payment APIs. Led the full BE/FE team from requirements to production deployment on AWS.

Ruby on RailsReactTypeScriptShopify APISidekiqAWSTwilio
Health & Wellness

Subscription-Based Meal Delivery & Diet Plan Platform

Staff Engineer · Backend Lead · DevOps

A high-scale meal delivery service supporting 1M+ live users across specialized diet plans. I built REST APIs for Shopify-integrated checkout, implemented QA regression pipelines on live customer data, and optimized ECS Docker containers for improved cost and performance. Led documentation and JIRA ticket creation for the full engineering team.

Ruby on RailsShopifyNetsuiteReactPostgreSQLMongoDBDocker/ECSAWS
HR Analytics

DEI & Pay Equity Analytics Platform

Staff Engineer · Backend Lead · API Architect

An HR analytics platform operationalizing diversity, equity, and inclusion intentions into daily workforce actions for 70K+ users. I performed RDS-level database optimizations, built external-facing APIs, and integrated Jenkins API to fully automate the client onboarding process — cutting setup time dramatically.

Elixir/PhoenixNode.jsReactPostgreSQLJenkinsAWS
SaaS CRM

Multi-Tenant Project & Task Management SaaS

Senior Engineer · Full Stack · Feature Lead

A web-based CRM for 130K+ users enabling organizations to manage projects, tasks, contracts, and customer payments. I implemented subscription plans, time-card tracking, expense management, bulk project templates, and electronic signature functionality for customer contracts — delivering the full feature set end to end.

Ruby on RailsReactMaterial UIPostgreSQLMongoDBNode.js
Sales & CRM

Multi-CRM Sales Platform with Bi-Directional Sync

Senior Engineer · Integration Lead

A role-based sales management platform with two-way data synchronization across three major CRM systems. I built bulk data sync workers using Sidekiq, integrated third-party security APIs for data enrichment, and implemented scheduled cron jobs for background operations. Also led and mentored junior engineers on the project.

Ruby on RailsSidekiqSalesforce APIZoho CRMSugarCRMPostgreSQLHeroku
Field Operations

End-to-End Painting Business Operations CRM

Senior RoR Engineer · Testing Lead

A specialized CRM for painting contractors managing leads, scheduling, crew timecards, invoicing, and payment processing for 2M+ users. I built REST APIs for the Estimates module, implemented Change Order and Customer/Crew Portals, wrote comprehensive Rspec/Selenium test cases, and optimized the test suite runtime by 50%.

Ruby on RailsReactAnt DesignStripeQuickBooksRspecSelenium
E-Commerce

Multi-Channel Fitment & Catalog Management Platform

Rails Engineer · Background Jobs · Payment Integration

A subscription-based platform for managing product fitments across multiple marketplaces, serving 4M+ users with 80% of operations driven by background jobs. I optimized Sidekiq batch processing for large-scale data migrations, integrated Stripe and PayPal for payments, and built search functionality spanning multi-platform accounts.

Ruby on RailsSidekiqeBay APIAmazon APIStripePayPalPostgreSQL
Auto Parts & More

Auto Parts E-Commerce, Infrastructure Migrations & More

Rails Engineer · Infrastructure · Multi-Tenant Architecture

Managed a multi-channel car parts business platform across eBay and Amazon. Led a full infrastructure migration from Heroku to Puma/Nginx servers, a database migration from MySQL to PostgreSQL, and converted the app to a multi-tenant architecture. Also delivered an internal admin panel built from scratch with role-based access and subscription controls.

Ruby on RailsPostgreSQLNginx/PumaCapistranoRspec

Ready to build
something great?

Whether you need a technical lead, full-stack architect, or a collaborator for your next high-impact product — let's talk.

// Education
Bachelor in Computer Science — Virtual University (2013–2017)
// Certifications
DevOps Training — StackSocial & AWS Cloud
// Reach out
Email
Sam@teamento.com
LinkedIn
linkedin.com/in/subhan-abid-4b9563196
// Interests
System ArchitectureTeam LeadershipEmerging TechMentorship