Python Programming language is widely used by companies and individuals in wide applications like building web apps, data science and analytics, automating operation via Devops and building scalable and reliable enterprise applications. You can find the detailed list of companies using Python on python wiki. Here in this article, we have listed down top companies in different industries using Python languages in various applications.

Top Finance companies using python

Python is widely used by finance companies and institutions like large scale banks, hedge funds, regulators etc. Here are some of the list of top finance companies using python language.

Goldman Sachs : Goldman Sachs uses Python in their data team and as main programming language. For example: Goldman Sachs uses Python for natural language processing in their Fixed Income, Currencies & Commodities department. Similar applications/jobs of Python development can be checked on their career pages.

Paypal: Python is used to manage entire tech infrastructure. Their Braintree SDK for Express Checkout integration and other apis uses Python as main programming language. There are good numbers of python code and api kits available on their website as well on Github.

JP Morgan Chase: JP Morgan Chase is leading financial institutions dealing in investment banking, financial services and asset management. It uses Python and Java as main programming languages. In data analytics, python is widely used along with Hadoop and Hive. One example of Python is Python development using Enaml in Athen

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Top tech companies using Python

Large scale technologies companies typically use more than one programming languages rather than sticking to one. One of the most common programming language used by top companies like Google, Facebook etc is Python. Here is detailed list of leading tech companies using python language.

Google: Python is one of the core language used by Google, along with Java and Golang. It is extensively used in multiple applications at Google, and receives priority support. Google uses Python as main language for its data team. Some of the key Python contributors are Googlers and they continue to use, promote, and support the language actively. Google is always sponsoring various Python conferences like PyCon. One of the examples is Youtube which uses Python language for view video, control templates for website, administer video, access to canonical data, and many more.

Facebook/Instagram:Python is the third most favored programming language used in Facebook after Php and C++. It is used to maintain thousands of libraries and FB infrastructure.Python is main programming language of Facebook/Instagram,especially in AI and Data Science. For example: Oculus team at Facebook uses Python and C++ for developingVR hardware and software.

Uber:Python is key programming language in Uber tech stack. Their back end uses Node.js and Python. Their data team uses both Python and R.

Reddit:Reddit is one of the largest sites at scale to use the Python as its main programming languages. Significant portion of Reddit is built using python language.

Dropbox:Dropbox uses Python across their application development, infrastructure and operations. Their platform is built by team of Python core developers.

Mozilla:Python is used in large scale to build system, CI configuration, test harnesses, command line tooling and countless other scripts, tools or Github projects at Mozilla.

Netflix:Netflix uses python as main programming language. It use Python through the full content lifecycle, from deciding which content to fund all the way to operating the CDN that serves the final video to 148 million+ members. Netflix is also an active contributor of many python packages.

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Top Government agencies using Python

Python is used by leading government agencies and organisations across world.

Consumer Financial Protection Bureau (CFPB): CFPB uses python language for running most of its applications. For example: Its collab project which is a Django application is used for storing and looking up information on employees and contractors.

Nasa:NASA uses Python extensively and open sources much of their software. Python is main language for data and image processing for spatial data at Nasa. Different applications of python can be checked at code.nasa.gov.

CIA: CIA is using Python in its state sponsored hacking tools. They regularly document and publish stats regarding python development at their agency.

How to start learning Python

Python is one of the languages which you will use as developer or non-developers in various companies. You can start the python learning by using python tutorial and solving python assignments and questions.

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