Aitzaz Mumtaz Khan

Polyglot Fullstack SE with 9+ years experience in building web apps/data-pipelines with Java/Python/JS and leading teams

Lahore, Pakistan Joined on Jun 14, 2020

Education

BS Computer Science

Work

Solutions Architect at Arbisoft

GitHub Repositories

vehicle_routing_problem

A brute-force solution for simple vehicle routing problem (VRP).

Java • 4 stars

postgres-upsert-table-bloat-demo

Demo code of my blog post on Postgres table bloat issue on updates and usage of Vacuum/Analyse to fix it.

Python

udacity-DEND-capstone-immigration

Capstone project using US I94 Immigrations dataset for Udacity Data Engineering Nanodegree.

Jupyter Notebook

udacity-DEND-data-lake-spark

Data Lake with Apache Spark

Python

udacity-DEND-data-warehouse-redshift

Data warehousing with Amazon Redshift

Python

Badges

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One Year Club

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Skills/Languages

I've experience in Java, Javascript and Python languages. I'm more of a generalist who have worked on cloud based web applications as well as on data pipelines.

Currently learning

I've completed Udacity Data Engineering Nanodegree recently. Apart that, I'm practicing on Java/Spring based microservices apps. I'm also looking into Kubernetes and possibly try ReactJS in future.

Currently hacking on

I'm working on a few Data Engineering and Monitoring projects on my work. Until this month, I've been mostly involved in Python based data projects. In addition to that, I'll be working on some Java/Spring based microservices.

Available for

We can talk about Postgres, Luigi, Python, Data Pipelines, Java, Spring, Hibernate, Microservices, Docker, Kubernetes, Scalability, Distributed Systems, Software Architecture, Vanilla Javascript/ES6, HTML, CSS and much more :)

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When Indexes & Performance Tuning don’t fix Slow queries in Postgres

Aitzaz Mumtaz Khan

Jun 15 '20

When Indexes & Performance Tuning don’t fix Slow queries in Postgres

#postgres #dataengineering #queryoptimization #data

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