Bloomberg is building the world's most trusted information network for financial professionals. Our 6,000+ engineers are dedicated to advancing and building new systems for the Bloomberg Terminal to solve complex, real-world problems. ​We trust our teams to choose the right technologies for the job, and, at Bloomberg, the answer is often Python. We employ an active community of more than 2,000 Python developers who have their hands in everything from financial analytics and data science to contributing to open source technologies like Project Jupyter. We also sponsor and host many events for the Python community.

Python on Azure: Build and deploy your Python apps in the cloud—and go further with AI and data science

Salesforce engineers are builders. With a team of problem solvers onboard, we’ve created a platform that connects companies with their customers. Whether a small business or Fortune 500, it's our job to ensure all systems are always a go.

Huawei is a leading global provider of ICT infrastructure and smart devices.

Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform, offering over 200 fully featured services from data centers globally.

At Capital One, we dare to dream, disrupt and deliver a better way. Our goal is simple – bring ingenuity, simplicity, and humanity to an industry ripe for change. Founder-led, Capital One is on a mission to help people live their best lives and build one of America’s leading information-based technology companies.

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For nearly 170 years, Corning has combined its unparalleled expertise in glass science, ceramics science, and optical physics with deep manufacturing and engineering capabilities to develop life-changing innovations and products

Cockroach Labs are the developers of CockroachDB, a cloud-native, distributed SQL database. CockroachDB is for innovative developers building modern applications. Build and ship apps with fewer obstacles, knowing you’re backed by a resilient database that works the way you do. So you can forget about your database—and trust that it just works

Building security practices for startups

The Open Source Market Network

With millions of jobs on LinkedIn, find one meant for you. #InItTogether

We help developers work faster by automating common, repetitive tasks to enable them to stay focused on code design and the big picture. We provide tools to explore and familiarize with code bases faster. Our products make it easy for you to take care of quality during all stages of development and spend less time on maintenance tasks

The Chan Zuckerberg Initiative was founded in 2015 to leverage technology, community-driven solutions and collaboration to help solve some of society’s toughest challenges. Our mission is to build a more inclusive, just, and healthy future for everyone

At HRT we are mathematicians, computer scientists, statisticians, physicists and engineers. We research and develop automated trading algorithms using advanced mathematical techniques.

Blackfire is a Python code profiler. It enables developers to measure their code's resources consumption at function call level, and improve its behavior, in development, test, staging and production

Growing software teams need to ship at a high velocity with a simple agile process. Designed for speed & simplicity, Tara AI helps engineering teams deliver on their sprints.

An OpenEDG non-profit project to promote the Python programming language, train Python programmers, and support professional careers in Python and related technologies

The internet's favorite place to buy custom stickers

Rebellion helps defense and national security agencies unlock the power of data across all domains. With our products, our customers are understanding complex data, making better decisions, and acting more quickly than ever before

Simply put, our mission is making open source work better—for everyone.

Mattermost is a high trust, open source collaboration platform built for developers

Twilio empowers businesses everywhere to interact with customers —from text messages to emails, phone calls to video, intelligent chatbots and back—within a single powerful platform

Mirumee is a world-class Python and JavaScript software house. We are the creators of Saleor Commerce—the fastest-growing open-source headless commerce platform powered by Python and GraphQL.

We’ve won the hearts of developers by building a platform that helps global brands like Lush revolutionize their front-end experience. Learn more at saleor.io.

Prefect is the new standard in dataflow automation, trusted to build, run, and monitor millions of data workflows and pipelines. The Prefect Python library includes everything you need to design, build, test, and run powerful data applications. Instantly upgrade your existing code with workflow best practices, and use the Prefect UI to orchestrate and monitor everything.

Elastic makes data usable in real time and at scale for enterprise search, observability, and security. Elastic solutions are built on a single free and open technology stack that can be deployed anywhere to instantly find actionable insights from any type of data — from finding documents, to monitoring infrastructure, to hunting for threats. Thousands of organizations worldwide, including Cisco, Goldman Sachs, Microsoft, The Mayo Clinic, NASA, The New York Times, Wikipedia, and Verizon, use Elastic to power mission-critical systems. Founded in 2012, Elastic is publicly traded on the NYSE under the symbol ESTC

We build sharp web apps. Based in Durham, North Carolina, and founded in 2007, we’re veterans in the industry. We love to support and contribute to the Python community with open source projects, talks, and meetups. We’ve written more than 400 blog posts, many of which provide Django and Python tips!

Cuttlesoft is a creative product development agency. We craft beautifully designed and highly scalable solutions for web, mobile, IoT, and the cloud

Teaching Python and data science to companies around the world

Our mission at SonarSource since 2008 is to empower all developers with ownership of their code quality and code security. We build open-source and commercial code analyzers which support 27 programming languages, enabling dev teams of all sizes to solve coding issues within their existing workflows.

Python application performance monitoring that streamlines troubleshooting by helping developers find and fix performance issues before customers ever see them. Quickly identify, prioritize, and resolve performance problems – memory bloat, N+1 queries, slow database queries, and more – with an agent that instruments the dependencies you need at a fraction of the overhead.

Netflix is the world's leading streaming entertainment service with 204 million paid memberships in over 190 countries enjoying TV series, documentaries and feature films across a wide variety of genres and languages. Members can watch as much as they want, anytime, anywhere, on any internet-connected screen. Members can play, pause and resume watching, all without commercials or commitments.

Accelerate innovation with our simple, affordable, and accessible Linux cloud solutions and services.

Two Sigma is a financial sciences company. We combine rigorous inquiry, data analysis, and invention to solve the toughest challenges across financial services. We’re looking for people who see beauty in data and the possibilities it reveals. Researchers who see connections and patterns in unexpected places. Engineers who build tools that channel massive amounts of data into insights. And experts across business disciplines to help solve the toughest challenges in investment management, insurance, market-making, private equity, and venture capital.

We are performance tuners, Django and Python experts, infrastructure and scaling architects. We’re senior developers, ops people, and consultants who have a deep and wide experience to pull from. We know what works and what doesn’t. We have been where you are before (probably many times). Let us guide you onto a better path.

Custom software development agency using Python & Django

Online Python Training & Expert Community: Tutorials, Video Courses, Books, Quizzes…and More! Join 3,000,000 Monthly Readers at realpython.com

Lab Digital is a full-service digital product development agency in Utrecht, The Netherlands

Free resource for helping beginners to build, manage and grow their websites

Adafruit helps make the easiest ways to program electronics - with Python!

Wayfair is one of the world’s largest online destinations for the home. Whether you work in our global headquarters in Boston or Berlin, or in our warehouses or offices throughout the world, we’re reinventing the way people shop for their homes. Through our commitment to industry-leading technology and creative problem-solving, we are confident that Wayfair will be home to the most rewarding work of your career. If you’re looking for rapid growth, constant learning, and dynamic challenges, then you’ll find that amazing career opportunities are knocking.

Python Academy is a specialized Python training company. We offer open courses for individuals as well as customized on-site courses for companies and institutes. We cover a wide range of Python topics from introductory to advanced, Python for scientists and engineers, big data, machine learning, web development, code optimization, and many more. All courses are available as trainer-led remote trainings. We provide a comprehensive, self-hosted online training environment. Students only need an Internet connection and a browser to participate in these hands-on, collaborative sessions.

Python Engineer Development Association

Dotcom-Tools by Dotcom-Monitor. Free Website Speed and Performance Testing

Hands-On, Live Python Training At Your Site or Online

Video courses for Python developers

A tightly knit, purely technical electronic trading company, focused on automated market making. We have a single location in northern New Jersey, an intensely stimulating work environment, and a total focus on mathematical and programming challenges. We have enjoyed steady growth over the last 14 years with zero attrition. Our next hire will have the opportunity to create systems to continue this trajectory. We put everything we do into practice, so feedback is quick, and we revel in the process of discovery.

Build web apps with nothing but Python - no Javascript required!

Power Go is a team of technology enthusiasts who specialize in web solutions for motor vehicle dealerships

Software development company dedicated in data recovery, backup and restore, disk management.

MyBook is the largest service in Russia that offers books and audiobooks on a subscription basis

A global leader in smart beta and asset allocation

Webucator provides customized instructor-led Python and Django training for groups and individuals

Jumping Rivers is an analytics company whose passion is data and machine learning. We help our clients move from data storage to data insights

The UK's largest and most popular SEO agency is proud to sponsor the Python Software Foundation

Founded in 2014, Aledade offers a new model of primary care that keeps physicians right where they want to be: building strong, impactful relationships with their patients.

Pallets Open Source Projects (Flask, Jinja, Werkzeug, Click, ItsDangerous, MarkupSafe)

The Electronic Frontier Foundation is the leading nonprofit organization defending civil liberties in the digital world. EFF understands that protecting access to developing technology is central to advancing freedom for all. EFF defends free speech on the Internet, fights illegal surveillance, and supports freedom-enhancing technologies. EFF promotes the rights of digital innovators in the courts by battling bogus patents and clearing the way for open source software, encryption, file sharing tools, and other emerging technologies.

An education focused game library built on the principles of idiomatic python, reduced onboarding complexity, and fun.

Packt is a leading tech book publisher globally, based in the UK. We have published more than 7000 books, videos, articles, and tutorials. We provide IT professionals with the actionable knowledge they need to get the job done - whether that's specific learning on an emerging technology or optimizing key skills in more established tools.

No Starch Press publishes the finest in geek entertainment — bestsellers like Python Crash Course, Python for Kids, How Linux Works, and Hacking: The Art of Exploitation. We focus on computer programming, security, hacking, alternative operating systems, STEM, and LEGO. Our titles have personality, our authors are passionate, and we read and edit everything we publish.

The Python Software Foundation (PSF) is a 501(c)(3) non-profit corporation that holds the intellectual property rights behind the Python programming language. We manage the open source licensing for Python version 2.1 and later and own and protect the trademarks associated with Python. We also run the PyCon US conference annually, support several projects through our fiscal sponsorship program, support other Python conferences around the world, and fund Python related development through our grants program.

For a quick overview of the PSF's activities, please read our Annual Impact Report (https://www.python.org/psf/annual-report/2020/). For regular updates, see our blog (https://pyfound.blogspot.com/).

Sourcery helps instantly refactor Python code to make it clearer, more concise, and easier to work with/collaborate on. Sourcery integrates directly into a developer's IDE (PyCharm, VS Code, Vim, & Sublime currently) to give suggestions while a developer is working or integrates into an individual or team's GitHub repos or CI.

Toolchain is a distributed build system that leverages the OSS Pants Build project as a client.

You invoke Pants to run requirement resolution, tests, codegen, linters, formatters, typechecks and so on. It breaks that work down into many small tasks, resolves them from cache where possible, and runs the rest with as much concurrency as possible. With Toolchain, instead of being limited to the resources of your single machine, you get cloud-based caching and execution shared across your team.

We turn CSV and Excel files into live databases and REST APIs. We help business analysts collect, clean, and move data to databases easily. Once the data is loaded, users can connect to their existing analytics and visualization tools or build data apps.

Elementl is the company behind the open-source project, Dagster. Dagster is a data orchestrator for machine learning, analytics, and ETL. Dagster enables platform teams to build cloud-native, multi-tenant, self-service data platforms with robust monitoring and observability. Dagster enables fast local development and end-to-end testing, and provides a consumer-grade UI with asset-based data provenance and lineage. Dagster is used by many data personas, from platform engineers to data analysts.

bit.io is a shareable cloud database with the same ease-of-sharing and ease-of-use found in tools like github, Google Docs, and Figma. Visit bit.io to try it out -- no signup required.

Noteable is the first enterprise-grade notebook platform for data-driven teams. Built by industry experts and battle-tested at the world’s largest tech companies, Noteable provides a collaborative data experience for all stakeholders in an organization, both technical and non-technical.

YData provides a data science platform focused on the data rather than the models. We help data science teams to collaborate and build the best training datasets and exponentially accelerate AI & ML. Our solution encompasses the first stage of Data & AI Development - such as data access, data cleaning, and data processing. Furthermore, it allows the generation of synthetic data based on the true statistical values within the datasets.

Resurface, an API system of record, turns every API call into a durable transaction.
Instantly answer any question about how APIs are being (mis)used. Capture, store, and explore every REST and GraphQL call. With Resurface, see actual user API details for faster troubleshooting, threat detection, better tests, and smarter teams.