Muhammad Abdullah
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Muhammad Abdullah · Interactive portfolio

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Senior Full-Stack Engineer · AI Engineer

Muhammad
Abdullah

Production SaaS, AI applications, and scalable systems.

9+ years owning products from architecture to production with Ruby on Rails, React, TypeScript, PostgreSQL, and AWS.

Explore experience Ask AIResume
Available for senior, lead, SaaS, and AI opportunities
MALHR · PK
Production topology8 services healthy
01
User inputProduct intent
02
Agent routerModel + policy
03
RetrievalContext + tools
04
Rails / Node APIBusiness logic
05
PostgreSQLDurable state
06
Background jobsReliable execution
07
AWSScale + media
08
ProductionObserved output
Validated · observable · human-controlled
9+ yearsProduction engineering
Rails + ReactEnd-to-end delivery
AI systemsLLMs, RAG, agents
AWS + PostgreSQLReliable infrastructure
Technical leadArchitecture and mentoring
01

What I bring to complex products.

I work across product, architecture, and delivery to turn ideas, existing systems, and AI-assisted prototypes into dependable production software.

Where I create value

Complex products that need technical ownership without losing delivery momentum.

Rails / SaaSAI productsFull-stack ownershipProduction systemsRemote leadership
Working style
  • Product-minded and hands-on
  • Comfortable in new or legacy systems
  • Clear with technical and non-technical teams
  • Uses AI with experienced judgment
Areas of experience

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Experience area

Deep experience in Rails and SaaS ownership.

Reviewshake · Fileeaters · Seal Properties

  • 9+ years across greenfield and mature Rails products
  • Multi-tenancy, billing, permissions, integrations, queues
  • Production debugging, modernization, and performance
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Selected evidence

Four products. Four kinds of ownership.

The assistant knows the full nine-project portfolio if you need a more specific match.

01
Media Technology

Fileeaters

A media review and delivery platform spanning web, desktop, and native applications.

Senior Full-Stack Engineer / Agentic DeveloperBuilt multiple MVPs and production features from scratch
Rails 8HotwireElectronSwift
View evidence
02
SaaS

Reviewshake

A production SaaS platform for businesses and agencies to monitor, analyze, and manage customer reviews.

Senior Full-Stack EngineerDeveloped and maintained production Rails features and integrations
Ruby on RailsPostgreSQLSidekiqRedis
View evidence
03
HR Technology

Intercollegiate

An AI-powered recruiting platform using intelligent analysis and structured data processing.

Senior Full-Stack Engineer / Technical LeadBuilt GPT-powered resume analysis and structured extraction
Ruby on RailsPythonHotwireOpenAI
View evidence
04
Logistics

Prosku

Warehouse operations SaaS connecting inventory, orders, fulfillment, and Shopify workflows.

Full-Stack EngineerBuilt inventory synchronization services and Shopify integrations
Ruby on RailsNode.jsShopify APIPostgreSQL
View evidence
AI engineering

AI that works beyond the demo.

LLMs, RAG, structured outputs, agents, and workflow automation with validation, monitoring, and human review.

AI should accelerate engineering, not replace engineering judgment.
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Ways I can help

Four ways I add value.

01

Build from zero

Architecture, product workflows, backend, interface, testing, and deployment.

02

Improve what exists

Codebase audits, legacy modernization, performance, reliability, and production support.

03

Ship practical AI

LLM integrations, RAG, agents, automation, validation, and production safeguards.

04

Lead delivery

Founder collaboration, architecture decisions, mentoring, review, and clear remote communication.

Experience snapshot

Production ownership across industries.

01AI & mediaFileeaters · Intercollegiate

AI workflows, media processing, Rails, Python, AWS

02Production SaaSReviewshake · Lango

Billing, integrations, multi-tenancy, operations

03Enterprise & scaleViaPath · Seal Properties

Legacy systems, accessibility, performance, reliability

04Commerce & real-timeProsku · Showday · Magaloop

Inventory, streaming, marketplaces, React, Node.js

View complete resume Ask about a specific technology
Open source in practice

Multi-Select2

A reusable JavaScript multi-select component built around clear APIs, fast interaction, and extensibility.

Try the working example. Search the options, add technologies, and remove selected values to see the component's state update.

View repository
multi-select2 / interactive demo2 selected
new MultiSelect2({
  selected: ['JavaScript', 'Ruby on Rails']
});
Available for the right opportunity

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Lahore, Pakistan · Remote worldwide Flexible across time zones GitHub Toptal mabdullah3833@gmail.com

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