Available for senior / staff engineering rolesFull-Stack & AI Engineer

Hi, I'm Amer.
AI/ML Engineer

AI . ML . RAG . LLM . Agentic Systems . Cloud

0+
Years Experience
0+
SaaS & MVPs Shipped
0
Tech Stacks

A cross-cutting specialization layered on top of Python, Rails and Node backends: LLM integrations, RAG pipelines, multi-agent orchestration, vector/semantic search and AI-driven analytics, shipped into real production products.

Contact Me
Download CV
Village Dr, Edison, NJ 08817, USA

What I do

Stack & Technologies

Core Backend

Ruby on Rails 6/7Ruby 3.xActiveRecordActionCableActionMailerSidekiqResqueDevisePundit

Frontend

JavaScript (ES6+)TypeScriptReact.jsNext.jsVue.jsNuxt.jsSveltePWAsTailwind CSSHTML5 / CSS3

ML / AI

TensorFlowPython ML pipelinesLangChainLlamaIndexOpenAI GPT-4RAG pipelines

LLMs / APIs

OpenAI API (GPT-4)OpenAI WhisperChatGPT integration

CI/CD

GitHub ActionsCircleCICapistranoVercelNetlifyHeroku

Databases

PostgreSQLMySQLMongoDBRedisSchema design & query optimization

Cloud / DevOps

AWS (EC2, S3, RDS, Lambda, CloudFront, VPC)DockerKubernetesGitHub ActionsCircleCIHerokuCapistrano

Vector / Search

pgvector semantic searchVector searchPostGIS-driven recommendations

Testing

RSpecFactoryBotCapybaraSimpleCovVCRMinitestTDD / BDD (90%+ coverage)

Data / BI

SnowflakeStreamlitETL PipelinespgvectorPostGISHigh-Volume OptimizationPredictive Analytics

Web3

Web3DAppsBlockchainSmart Contracts

Where I've worked

Professional Experience

Senior Full Stack Developer

Stack360

Sep 2020 – Apr 2022
  • Built full-stack apps with React, Vue.js, JavaScript and Ruby on Rails.
  • Redesigned the reporting module to Rails best practices: +25% performance and maintainability.
  • Introduced automated testing frameworks to reduce regressions.

Web Developer

Kinectro

Apr 2018 – Mar 2021

Pakistan

  • Built and maintained web apps with REST APIs and third-party integrations; Git, Heroku, Redis, EC2.

Senior Software Engineer

TechCreatix

Mar 2021 – Sep 2021

Lahore

  • Delivered full-stack JavaScript features in an Agile team with CI/CD and code reviews.

Full Stack Web Developer

Fiverr (Freelance)

Apr 2019 – Jul 2020
  • Built full-stack apps with Django, Node.js and Ruby on Rails.
  • Delivered a Facebook Ads tool with the Marketing + Graph API.

AI/ML Engineer (cross-role)

Tkxel / Strategic Systems International

2021 – 2025
  • Integrated ML models for predictive analytics and AI-driven decision-making into existing systems.
  • Integrated LLM/AI solutions into existing platforms collaborating with cross-functional teams.

Selected work

Projects

Frosty Metrics — Crypto Analytics Platform

Full-Stack Engineer

  • Built the Node.js frontend and services portion of a real-time crypto analytics platform.
Node.jsPythonReactNext.jsPostgreSQLRedisDockerKubernetesAWSWebSocketsGraphQLLLM

Also spans: Python · AI / GenAI · Cloud

GoZupees — AI Call Center

AI Engineer

  • WebSocket GenAI suggestions at 1–2s latency; OpenAI GPT-4 + pgvector RAG.
  • Live call transcription.
OpenAI GPT-4pgvector RAGWebSockets

Also spans: Python · JavaScript

GoZupees — AI Call Center Platform

Full-Stack Engineer

  • Real-time AI call center management platform; WebSocket-based AI suggestions at 1–2s latency (OpenAI GPT + pgvector RAG).
  • Structured agent/ticket management with full CRUD REST APIs (FastAPI + SQLAlchemy).
  • Twilio WhatsApp, live call transcription and Stripe subscription management.
  • Docker on AWS with CI/CD via GitHub Actions.
Python (FastAPI)PostgreSQL (pgvector)OpenAI GPT-4LangChainSQLAlchemyTwilioWebSocketsReactTypeScriptDockerAWS

Also spans: AI / GenAI · JavaScript · Cloud

GozuPees — SaaS Automation & Service Marketplace

Full-Stack Developer

  • Multi-tenant SaaS marketplace with automation workflows, service orchestration and role-based systems.
  • Payment and third-party integrations across the platform.
Ruby on RailsMulti-TenantPaymentsAutomation

Also spans: Python · JavaScript

GoZupees — AI Call Center (Frontend)

Frontend Engineer

  • Built the React/TypeScript frontend over a FastAPI backend for a real-time AI call center.
ReactTypeScriptTailwind

Also spans: Python · AI / GenAI

Genie AI — AI Recommendations

AI Engineer

  • LangChain LLM integration + RAG-based personalization over PostGIS data.
LangChainRAGPostGIS

Also spans: Python

Genie AI — Location-Based Social Discovery

Backend Engineer

  • Scalable location-based discovery APIs with PostGIS analytics.
  • Real-time chat via WebSockets; RabbitMQ event messaging.
  • AI-powered recommendations (LangChain LLM + RAG personalization).
  • Auth0 auth and Redis caching supporting thousands of concurrent users.
Python (FastAPI)PostgreSQL (PostGIS)LangChainOpenAI APIRedisRabbitMQDockerAuth0SQLAlchemy

Also spans: AI / GenAI

SoloSuit — Debt Resolution Platform

Senior Software Engineer

  • Led integration of Plaid + Bloom into the platform.
  • Introduced Playwright testing from scratch for critical debt-law workflows; delivered features and bug fixes for platform stability.
ReactNode.jsPlaywrightPlaidBloom API

The Tie — ChatGPT-Powered Financial Analysis

AI Engineer

  • Real-time market insights with ChatGPT integration.
ChatGPTRuby on RailsVue.js

Also spans: Ruby on Rails

TribeAWL — Medical Spa SaaS Platform

Full-Stack Engineer

  • Multi-tenant SaaS: client/staff management, appointment booking, inventory tracking, role-based portals and real-time notifications.
  • Stripe + Tilled PCI-compliant payments; Twilio SMS and in-app chat via WebSockets.
React.jsTailwindRuby on RailsPostgreSQLWebSocketsStripeTilledActive Storage

Also spans: JavaScript (React)

Frosty Metrics — AI-Driven Predictive Analytics

AI / ML Engineer

  • Python ML pipelines + LLM integration for crypto predictive analytics.
Python ML pipelinesLLM

Also spans: Python · JavaScript

Frosty Metrics — Crypto Analytics Platform

Full-Stack Engineer

  • High-performance real-time crypto analytics: token tracking, historical data viz and AI-driven predictive analytics via Python ML pipelines.
  • Scalable microservices, real-time data pipelines and containerized cloud deploys handling large transaction volumes; secure GraphQL APIs.
Node.jsPython (Django, ML)ReactNext.jsPostgreSQLRedisDockerKubernetesAWSWebSocketsGraphQLLLM

Also spans: JavaScript · AI / GenAI · Cloud

Blockchain Explorer + Token Management

Full-Stack Engineer

  • 80,000+ MAU wallets across 14 countries; Elasticsearch search 7× faster.
  • Pundit RBAC and full audit logging.
Rails 5ReactElasticsearchPundit

Also spans: Web3 / Blockchain

AI-Powered Call Center SaaS

AI / Backend Engineer

  • OpenAI Whisper live transcription + RAG pipeline (pgvector) at sub-300ms retrieval.
  • Rails + FastAPI hybrid.
OpenAI WhisperRAG (pgvector)Rails + FastAPI

Also spans: Ruby on Rails · Cloud

Blockchain Explorer + Token Management

Full-Stack Engineer

  • 80,000+ MAU wallets across 14 countries; on-chain webhook/event notifications (sub-500ms).
  • Elasticsearch tx search 7× faster; Pundit RBAC + audit logging.
Rails 5ReactElasticsearchPunditWeb3

Also spans: Ruby on Rails

MicroHealth — AI & RAG-Based Knowledge Platform

Senior Software Engineer (Full-Stack / Backend)

  • End-to-end RAG-powered intelligent document search for healthcare data.
  • Scalable Django/FastAPI ingestion pipelines with pgvector semantic search.
  • Streamlit dashboards for admin analytics and model-performance monitoring.
  • Iterated on relevance, latency and quality against real clinical user needs.
Python (FastAPI/Django)PostgreSQL (pgvector)OpenAI GPT-4LangChainLlamaIndexAzureVue.jsStreamlit

Also spans: AI / GenAI

The Tie — Financial Data & Analytics Platform

Full-Stack Engineer

  • Real-time financial analytics with AI-driven market insights and ChatGPT integration.
  • Secure Auth0 authentication; scalable backend with a responsive Vue.js frontend.
Ruby on RailsVue.jsChatGPTAuth0PostgreSQLDockerAWS

Also spans: AI / GenAI