Hire the best Python developers

Check out Python developers with the skills you need for your next job.
Clients rate Python developers
Rating is 4.8 out of 5.
4.8/5
based on 45,700 client reviews
  • $40 hourly
    Hello! I am an experienced software developer and ERP consultant. I've spent most of the last four years implementing and customizing the open source ERP system ERPNext. I have implemented ERPNext at more than 15 companies in the logististics, insurance and retail industries; ranging in size from 2 to 90+ employees. I have also built ERPNext modules and customization for companies in the Logistics, Insurance and Manufacturing Industry. Over the years I've gained intimate knowledge of the inner workings of ERPNext, the Frappe framework and the Python and Javascript programming languages. I have also gained working knowledge of Finance, Accounting, Stock Operations, Insurance, Manufacturing and Project Management. Open and regular communication is important to me, it ensures the project is completed to the satisfaction of all parties involved. When working with me you can be assured of the highest level of professionalism in everything I do.
    vsuc_fltilesrefresh_TrophyIcon Python
    Project Management
    JavaScript
    ERPNext
  • $60 hourly
    I'm a software engineer with 10+ years of experience in embedded applications. My skills include: - MCUs - ST, Microchip, NXP, Renesas, TI - RTOS - FreeRTOS, RTX, ThreadX - C++, C - STM32Cube, Keil, IAR, AtmelStudio, gcc - Python, make, SCons, git, svn, bash - Arduino I'm an experienced electrical engineer as well, my most significant achievement being to develop, certify and start mass production of a smart meter.
    vsuc_fltilesrefresh_TrophyIcon Python
    FreeRTOS
    Linux
    Firmware Programming
    PCB Design
    Git
    Embedded Application
    Arduino Firmware
    ESP32
    C
    C++
    Embedded System
    Raspberry Pi
    STM32
    Real-Time Operating System
  • $99 hourly
    Your online business presence is super important in the modern world. New technologies emerge every month, websites get hacked or become slow and not compatible with modern devices. That is where I come in. My full stack skills will make your website fast, reliable and easy to expand in the future. I provide multiple services that include: - designing and implementing websites, ranging from simple marketing sites to complex web-apps - improving performance and modernizing legacy applications - hardening your site's security using the latest standards - deploying to production, with SEO optimized, HTTPS enabled - integrating payments, including PayPal and Stripe - automating as much as possible My favourite tech stack is Django REST Framework in the backend and Angular in the frontend, but I am technology-agnostic and can quickly pick up any tech on the go. Here is a list of what I've used in the past: -Python 2/3, Django 2-4, Celery, Channels, Strawberry GraphQL -Angular 2-15, RxJS, ngrx, NestJS -PostCSS, LESS, SCSS, Bootstrap, Material Design -npm, yarn, webpack -PostgreSQL, MySQL, MariaDB, Amazon RDS -Redis, queues, caching -Git, Github, Gitlab, Bitbucket -JIRA, Trello, Asana, Slack -HTML5, CSS3 -Ubuntu, Nginx, Docker, Jenkins -Scrum, Agile, TDD -Cypress, Karma, Chai, Jasmine -AWS, Azure, Digital Ocean Why 'modern' in my title? Frameworks and other dependencies change every day. New versions contain important security fixes, performance improvements and new features. I spend many hours following the latest news, conferences, checking changelogs and testing different versions for compatibility to make sure that your app benefits from those changes. Testimonials: "Fast, communicates great and reliable. The kind of guy I like doing business with and I'm picky." "Tomasz did a very good job working on an existing angular project. He got everything set up independently, migrated everything to a recent angular version and was able to start coding in no time. " "Tomasz presented good knowledge of Python and Django. His communication was very clear and professional, and he was able to dive right into some complicated code and significantly improve its performance. He is a reliable and skilled contractor who I would recommend."
    vsuc_fltilesrefresh_TrophyIcon Python
    API
    AWS Development
    Web Development
    Cypress
    Material Design
    Django
    Node.js
    GraphQL
    Angular
    PostgreSQL
    HTML5
    JavaScript
    AngularJS
    CSS 3
  • $195 hourly
    Hi! Upwork uses my first name, Royce, but I go by Aaron (my middle name). I am a quantitative /systematic trader that also helps others with all things related to running algorithmic trading systems. This includes tasks such as system modeling/backtesting, data collection/storing, signal processing based on technical indicators, portfolio and position risk management, etc. I am a skilled programmer that writes well documented and organized code that is easy to follow and build upon. I provide even more value with my trading knowledge and experience. I've contributed to hundreds of successful projects to date, and look forward to taking on many more. Some of my specialties includes using QuantConnect (where I am a recommended consultant), Interactive Brokers API integration, TradeStation, and TradingView. I've learned a lot about technical analysis going through the Chartered Market Technician (CMT) program where I've passed the first 2 of 3 exams on my first try. My past and current clients include investment/financial advisors, portfolio managers, CTAs, and professional traders. I also work with individuals that are just getting started in trading. Check out the testimonal below to see what an active client who manages around 150M+ AUM had to say about working with me. If you are interested in learning how to write algorithms for QuantConnect, I've created a training course of 22 different algorithms that I explain in 27 videos, almost 17.5 hours of instruction. Message me if you are interested, and I can send you more information.
    vsuc_fltilesrefresh_TrophyIcon Python
    Trading Strategy
    Trading Automation
    Financial Trading
    Derivatives Trading
    Quantitative Finance
    Quantitative Analysis
    Project Risk Management
    Forex Trading
    Quantitative Research
    Algorithm Development
    Cryptocurrency
    Investment Research
    Financial Analysis
    Financial Modeling
  • $40 hourly
    Hello, my name is Stepan. I'm Python developer. I have 7 years of experience in Python and web development with Django. Experienced in: - Backend: Python, Django, Django REST Framework, FastAPI, SQLAlchemy, Pydantic, Alembic, Postgresql, MySQL, Firebase, Redis, Django channels (websockets), Сelery (rabbitmq, redis), Elasticsearch (haystack), Twilio, AJAX/JSON, django-oscar - Frontend: JavaScript, Vue.js, jQuery, Bootstrap, HTML, CSS - DevOps: Ubuntu, Heroku, DigitalOcean, AWS, nginx, daphne, redis, memcached, uwsgi, gunicorn, apache, supervisord, Celery Flower, New Relic - Data Science: Numpy, Pandas, Scikit-learn, Scipy, Matplotlib - Data Scraping: Scrapy, lxml, beautifulsoup, pdfminer - Other: Docker, Vagrant, git
    vsuc_fltilesrefresh_TrophyIcon Python
    Web Application
    Vue.js
    PostgreSQL
    Django
    JavaScript
    RESTful Architecture
    Web Development
    Database Architecture
    API
    RESTful API
    SQL
    NumPy
    Python Scikit-Learn
    pandas
  • $15 hourly
    I am a professional Python Developer with 7 years of experience. I excel at developing codes for scraping website. Along with this, I develop REST API with django as backend and deploy on cloud using Docker. I also have experience in developing real time dashboard using Python dash framework. With a rich coding experience along with great problem solving ability, I can help clients bring their ideas to product. I am a dedicated programmer and always deliver my projects on time and with all the quality requirements. I build maintainable, scalable, reusable code and most importantly user friendly code with proper documentation. I always select the right toolkit and framework to solve the problem.
    vsuc_fltilesrefresh_TrophyIcon Python
    MongoDB
    MySQL
    RESTful API
    Automation
    PostgreSQL
    Django
    Python-Requests
    Selenium
    Beautiful Soup
    NumPy
  • $50 hourly
    I'm a PHP and Python developer with 6+ years of experience. My passion is back-end programming. I like coding the software logic making all the 'magic' behind the curtains. Here is my shortlist of skills and experience. Python: - building chat-bost (Telegram, Discord, social networks) - making different web-scrapers - web-development and interacting directly with MySQL - building different analytics and working with cryptocurrency APIs PHP: - a full-stack web developer with 6+ years of CodeIgniter/WordPress/Opencart experience. - developed several websites and web applications (most of them are written from scratch, and others are based on such engines as Joomla and WordPress) - building WordPress themes and plugins - working with XenForo and developing plugins for the engine I always speak with the client during working on the project to get a clear understanding of his/her needs. My #1 goal will always be to meet your needs and deadline. Just let me know what you want and I'll help you bring your ideas to life. I'd like to find jobs that will allow me to grow as a professional. I want to build and architect applications, make sites on different frameworks and technologies, not only well-known CMSs like WordPress or Opencart (but I like and know them pretty well). Thank you in advance for your time and consideration. I look forward to working with you soon. My experience and skills full list - PHP 5.4/5.5/7 (+CodeIgniter, Symfony) - Python(2.7/3.6) (+Peewee, BeautifulSoup, Scrapy, Requests) - MySQL - Twitter bootstrap - Javascript/jQuery - Frameworks: CodeIgniter, Yii2 - CSS - UML - WordPress - Opencart - Joomla - XenForo - Web Scraping - Chatbots and integrating with social networks APIs - Integrating with cryptocurrency and e-money gateways
    vsuc_fltilesrefresh_TrophyIcon Python
    WordPress
    PHP
    SQL
    JavaScript
    Vue.js
    Yii
    API Integration
    Laravel
    PSD to HTML
    Bot Development
    Autoit
    Shopify
    XenForo
    Automation
  • $100 hourly
    Data analysis and algorithm development in: Python, C, C++ and Linux systems. Specializing in developing algorithms from the ground up as well as improving existent code-bases for optimal performance and memory usage. Database optimization, both in SQL (PostgreSQL, MySQL) and NoSQL (DynamoDB, MongoDB). AWS architecture design and setup: EC2, RDS, Elastic Beanstalk, Kinesis, ECS, CodePipeline. Basic frontend knowledge: Javascript, Typescript, React, d3.js In the data visualization and analysis fields I use Python with pandas and numpy, as well as R and the library d3.js for complex interactive visualizations.
    vsuc_fltilesrefresh_TrophyIcon Python
    DevOps
    Linux System Administration
    SciPy
    Django
    Qt Framework
    C++
    C
    JavaScript
  • $50 hourly
    I am a software developer specializing in the field of Data Science. Some of the projects I have worked on include: algorithmic and quantitative crypto trading strategies, statistical analysis, data mining, machine learning, data visualization. Writing code to analyze data is what I am passionate about and Python is my tool of choice.
    vsuc_fltilesrefresh_TrophyIcon Python
    API Development
    Quantitative Finance
    AWS Lambda
    Bitcoin
    Cryptocurrency
    PostgreSQL
    FinTech Consulting
    Trading Automation
    Data Analysis
    Data Visualization
    Matplotlib
    pandas
  • $70 hourly
    Experienced in working within a team using Agile / Scrum methodology. Using Git Flow in the development process and JIRA for task management Experience with: • Python, Django REST Framework, Django Channels, Celery, Pandas, Tornado, Flask, FastAPI • PostgreSQL, Redis, SQLite, MySQL, MongoDB, SQL • Nginx, HAproxy • Ansible, Vagrant, Docker • Apache NiFi • Unix based systems • Kubernetes, Helm, CircleCI, GitLab, Jenkins, AWS infrastructure, Hetzner, MinIO
    vsuc_fltilesrefresh_TrophyIcon Python
    API Development
    RESTful Architecture
    Django
    Docker
    PostgreSQL
    GitLab
    Kubernetes
    Ansible
  • $30 hourly
    Hi! I am Hieu. I am a hard working, meeting with deadline and high responsibility. Over 3+ years of Odoo experience. My skill are: - 3+ years with Python (2.x and 3.x) and Odoo framework(6.1, 8, 9,10, 11, 12) - Good at English communication. - Familiar with source control: Git, SVN. - Good at HTML, Jquery, CSS, Javascript. - Can work both Odoo back-end and Odoo front-end. - Familiar with customer support. Major Modules: - Sales and Purchases. - Inventory. - HR (Payroll, Contract, Employee, Leaves, Recruitment, ...). - Project - CRM - Accounting. - Website. - Event. Integration Odoo and the other E-commerce. - Prestashop. - Shopify. What will you get from me? - Bring to your code a nice structure. - Hard working. - Meeting with your deadline.
    vsuc_fltilesrefresh_TrophyIcon Python
    XML
    CSS
    HTML
    JavaScript
    Point of Sale & Payment Systems
    jQuery UI
    Git
    Odoo
    Customer Relationship Management
    PostgreSQL Programming
  • $90 hourly
    Need a brand new website, an overhaul of your existing website, or just a few updates? Then let's talk. Whether you're an entrepreneur who needs a personal portfolio, a business owner who needs to strengthen their brand and services, or just somebody who has an idea that needs a web presence, I can take care of it for you. I have years of experience working with all major web development platforms, and the following frameworks and languages: JavaScript (including Node, Vue, and React) PHP HTML/CSS Python Typescript
    vsuc_fltilesrefresh_TrophyIcon Python
    Web Design
    WordPress Development
    Responsive Design
    JavaScript
    CSS 3
    HTML5
    Website
    Website Redesign
    Shopify
    SCSS
    WordPress
    Landing Page
    Squarespace
    Website Customization
  • $50 hourly
    I am a very experienced python developer with 6+ years of experience with it as well as a host of full-stack projects in my portfolio. I am proficient with the React, Django, Flask, Tailwind CSS and React-Native frameworks as well as HTML and JavaScript languages. My skills are wide in range and can be applied to many abstract and niche tasks that have specific requirements and require attention to detail and meticulousness.
    vsuc_fltilesrefresh_TrophyIcon Python
    Progressive Web App
    Django Stack
    API Development
    Software Design
    Front-End Development
    Back-End Development
    React
    Data Scraping
    Automation
  • $70 hourly
    I'm mainly a Web Developer, but one with the experience of working with nearly everything inside and outside of his field. All of my external ventures have had the pleasant effect of allowing me to make connections where most people don't even think to look, and make use of all of my skills to the best of my abilities. I absolutely love thinking outside of the box, and most of my personal projects are just a touch crazy in general; I call them creative. I mainly tend to use Python - Flask, Django, and Tornado - for most of my projects, although I also quite enjoy using Golang these days. I've been using Python for about 5 years now and Golang for around 3. I'm also extremely comfortable with Javascript - Vanilla, Vue, React and Angular, and I have quite a bit of fun working on frontends. That said, I'm not going to say that I'm amazing at coming up with Web Designs since it takes me forever to come up with a design I'm satisfied with; I much prefer to be handed a design to work with. I've never failed a project that I've taken on and I've never taken on a project I'm not sure about finishing successfully. I tend to be extremely straight forward about what I can do and how long it might take me to do it. I know my limits, and I try to break past them every single day. I was raised in Canada, so English isn't a problem by far. I can also converse well in Korean and Spanish, but I wouldn't say that I'm fluent. So yeah, let's have fun.
    vsuc_fltilesrefresh_TrophyIcon Python
    Google Cloud Platform
    Node.js
    ExpressJS
    Neo4j
    AWS Lambda
    Penetration Testing
    React
    Golang
    Selenium
    Flask
    Django
    AngularJS
    Vue.js
    JavaScript
  • $40 hourly
    Electrical and Electronic Engineer with +6 years of experience in designing Electronics sub-systems & Firmware Development, Hardware Validation and snapping across multiple Industries ( Research, Healthcare, Military and Consumer Electronics). Expertise in providing One Stop Solutions from Architecture Development, PCB designing, Automating Hardware to product mass production with experience in FCC, UL and ATEX requirements. IoT Product Development | Build Embedded Devices | Firmware | PCB | RTOS | LoRa | Azure IoT| BLE | Embedded Linux | ARM | FPGA | STM32 | ESP32 | nRF5 | Raspberry PI | Jetson | Arduino.
    vsuc_fltilesrefresh_TrophyIcon Python
    NVIDIA Jetson
    Bluetooth LE
    ARM Microcontroller
    Azure IoT HuB
    AWS IoT Core
    LoRa
    C
    PCB Design
    Embedded C
    Raspberry Pi
    ESP32
    FreeRTOS
    CAN Bus
    STM32
  • $150 hourly
    I am specializing in trading programs that use the Interactive Brokers API, implemented in python using the official python code from IB. I have done multiple contracts in this area that covers many different types of financial instruments (stocks, options, futures) on different markets (US mostly, but also some European markets). I focus on implementing your strategy, especially hiding from you some of the peculiarities of the IB API, and making the code reasonable simple and robust. I am also taking work that overlap with this, basically: - Python work, mostly around statistics and visualization, usually using Pandas. - Other financial platforms
    vsuc_fltilesrefresh_TrophyIcon Python
    Verilog
    Microsoft Word
    VHDL
    R
  • $35 hourly
    As an experienced Python Django developer, I have built numerous web applications that are scalable, secure, and user-friendly. I have a strong understanding of Django's Model-View-Controller (MVC) architecture and have worked on all aspects of the development process, including requirements gathering, database design, front-end development, and deployment. My expertise includes developing REST APIs, integrating third-party libraries and APIs, and working with various front-end frameworks such as React, Angular, and Vue.js. I am also well-versed in web technologies such as HTML, CSS, and JavaScript, which allows me to create responsive and engaging user interfaces. I have worked with clients across various industries, including e-commerce, healthcare, and education, and have delivered solutions that meet their unique business needs. I am committed to delivering high-quality work and ensuring that my clients are satisfied with the end product. If you're looking for a skilled Python Django developer who can help you bring your ideas to life, look no further. Let's discuss your project and see how I can help you achieve your goals. Python, Django, Angular, React, Vue, Typescript, HTML, CSS, SASS, LESS, Bootstrap, Javascript, Jquery, Nginx, UWSGI, ASGI, Restful API, Django Rest Framework, AWS, EC2, Digitalocean, Docker, GIT, Scrapy
    vsuc_fltilesrefresh_TrophyIcon Python
    Ubuntu
    Angular 10
    RESTful API
    NGINX
    AngularJS
    Django
    HTML
    JavaScript
    TypeScript
    React
    CSS
    RESTful Architecture
    Responsive Design
  • $85 hourly
    I am an experienced elasticsearch, logstash and kibana consultant with a passion for getting meaning out of data. I have helped to setup and maintain large and small installations, from small pilot web sites upto TB clusters for multinational companies, on AWS and Google Cloud. Main technlogies: Non relational database: Elasticsearch Relational database: mySQL, postgres SQL Visualization: Kibana, Grafana Ingestion: Logstash, RabbitMQ. Kafka, SQS Web server: Nginx Scripting: Python, PHP, AWS Lambda OS: Ubuntu AWS, cloudwatch, EC2,route53, IAM, SQS
    vsuc_fltilesrefresh_TrophyIcon Python
    Amazon ECS
    MySQL Programming
    Logstash
    Kibana
    Core PHP
    AWS Lambda
    RabbitMQ
    Elasticsearch
    NGINX
  • $100 hourly
    LinkedIn scraping has become extremely difficult in the last few years – especially at Large Scale. Tools like Phantombuster can scrape hundreds of profiles a day – how can you scale it up to tens of thousands a day for your ambitious projects? You may already try services like proxycurl, but more often than not, their data is outdated (scraped months ago). Using Python, I built the "one of its kind" LinkedIn Scraper for large-volume LinkedIn scraping projects. The system allows me to: ✅ Scrape leads from LinkedIn Sales Navigator searches, including verified emails – Big search? No problem! ✅ Extract LinkedIn people profiles ✅ Extract LinkedIn company profiles ✅ Find decision makers of specific companies on LinkedIn, accurately and quickly ✅ Extract current employees of specific companies on LinkedIn ✅ Extract past employees of specific companies on LinkedIn ✅ Extract all member profiles of specific groups on LinkedIn ✅ Scrape LinkedIn job posts ✅ Find companies on LinkedIn based on a list of web domains or company names What makes my LinkedIn Scraping service different? 💯 Real-time information (up-to-date profiles, not cached data) 💯Large volumes of data — up to thousands and millions of profiles 💯 No need for access to your LinkedIn account or Sales Navigator 💯 Fast, accurate, and customized to your specific criteria People who have used my service once come back whenever they need more data: ⭐️⭐️⭐️⭐️⭐️ "Cung is professional and highly capable. He can do things that many others will say are impossible. Worth every penny. Stop scrolling, and start hiring!" – Mark ⭐️⭐️⭐️⭐️⭐️ "Cung is a master. Excellent skills, fantastic communicator, and an exceptionally talented engineer. If he can't do it, nobody can. Highly recommend!" – Spencer ⭐️⭐️⭐️⭐️⭐️ "Cung is just phenomenal! He is fast, reliable, and accurate and needs only to be pointed to a project and set to go. He thinks on his feet, asks just the right questions, and gets the job done. Just fantastic. Thank you, Cung!" – Peter Barry Ready to get started? Send me a message, and let's talk!
    vsuc_fltilesrefresh_TrophyIcon Python
    API
    LinkedIn Plugin
    List Building
    Social Media Lead Generation
    LinkedIn
    Data Mining
    Lead Generation
    JavaScript
    Web Crawling
    ETL
    Web Scraping
    Data Scraping
    Data Extraction
    SQL
  • $150 hourly
    Are you looking for a Cloud DevOps/ SecOps Engineer with expertise in automation and keeping it secure? Look no further! Hello, my name is Jerry, and I am a Cloud DevOps/ SecOps Engineer with extensive experience in building cloud infrastructure, automating everything, and keeping it secure. Here are some of my technical highlights: Security • Cloud security • HIPAA/ PCI/ NIST/ SOC 2 • Best Practices • Vulnerability Management • SAST/ DAST • Audits Programming Languages • bash • golang • nodejs • php • python Configuration Management • CDK, CloudFormation, Serverless, Terraform • Ansible, Chef, SaltStack CI/CD • AWS CodePipeline/CodeBuild • BitBucket • GitHub • GitLab • Jenkins Infrastructure • Autoscaling and Load Balancing, Containers, Serverless, and more. • API Gateway, CloudFront, CloudTrail, CloudWatch, Cognito, Config, Control Tower, DMS, EC2, ECS/Fargate, ElastiCache, GuardDuty, Inspector, Kinesis, Lambda, RDS, Route53, S3, Security Hub, SSO, VPC, and more. As a Cloud SecOps/ DevOps Engineer, I believe in automated and reproducible infrastructure that is secure to meet your security and scaling requirements. I have over 12 years of experience in engineering that can help with your infrastructure, automation, and security needs. Send me a job invite to discuss how we can work together to fulfill your needs.
    vsuc_fltilesrefresh_TrophyIcon Python
    Automation
    Serverless Computing
    DevOps
    Linux System Administration
    Systems Engineering
    Cloud Architecture
    Containerization
    CI/CD
    API
    Amazon Web Services
    Application Release Automation
  • $90 hourly
    Over 15 years experience in IT, started my career in 2004. 7 years as a lead network engineer and head of tech support in local ISP. Built and managed a highly available IP/MPLS network with over 40Gb/s peak upstream traffic, capable of providing L2/L3 VPN services with QoS, as well as IP transit for other ISPs and subscriber management for broadband users. Personally hired and trained team of engineers, who are now capable of further development and support of the mentioned network. 5+ years as a system engineer and architect in a public/private cloud and IT services business. Built and maintaining highly available Openstack/CEPH cloud based on Canonical Openstack. We're providing our customers with general VPS/cloud services as well as custom IT solutions. This is my primary occupation at the moment. I mostly work with environments based on Linux(Ubuntu, CentOS): configuring monitoring, alarming, and billing services for continuous business operations. I'm good at learning new things, as well as teaching other people my trade.
    vsuc_fltilesrefresh_TrophyIcon Python
    Ansible
    Ubuntu
    Kernel-based Virtual Machine
    TCP/IP
    Multiprotocol Label Switching
    OpenStack
    Juniper
    Ceph
    Linux
  • $105 hourly
    I have a B.S. in Computer Science and over 10 years of professional experience developing desktop and full stack web applications. I started coding at the age of 10, making my own computer games. Highly creative and driven by product excellence, I'm all about making things that are awesome, meaningful, intuitive, and inspiring. I have an artistic background, as well, double majoring in Music Composition at college. I love to make things well, using good engineering patterns and the best tools for the job. I adhere to the agile method. I will enthusiastically learn a new language or technology if it benefits a project. I want to make your vision a reality. In addition to software engineering, I enjoy a wide range of interests including performing and writing music, experiencing the arts, participation in theater productions, playing ultimate frisbee, soccer, and basketball, practicing parkour, and riding motorcycles. **Strengths - Thinking things through, considering the details, weighing the possibilities and outcomes - Highly focused and quality driven - Learning and understanding new and abstract concepts, technologies, languages, tools - Communicating and teaching technical ideas to others **Programming Languages - C/C++ - PHP - SQL (Oracle, MySQL) - Objective-C - Java - HTML5/CSS3 - LaTeX/Wiki/Markdown - Scheme - ActionScript/Flex - Scala - C# - ASM - JavaScript - Ruby/Perl/Python - IDL - OpenGL GLSL - Bash **Development Tools - Git - Visual Studio - Qt Creator - Jira/BitBucket - Vim - Platform Builder - Linux - ReviewBoard - CMake - Eclipse - Parasoft SCA - Jenkins - Maven - WebStorm/IDEA - Xcode - Chrome Developer Tools **Frameworks/Libraries - QUnit - GWT (MVP) - Ruby on Rails - WinINet - React - DirectX/DirectShow - OpenGL(ES) - gtest, glog - libjson - JBPM - D3.js - Three.js - JUnit - Apache Spark/MLLib - Selenium/Appium - Node.js - JPA - Resteasy/Jackson/Swagger **Development Platforms - CE6 - Web (HTML5) - Linux/Windows - OMAP 3530 - AWS - CE7 - Flash - Android - Raspberry Pi - WM6.5 - JVM/CLR - iOS - BeagleBoard-xM - WEC 2013 - Node.js - Chrome Extensions - i.MX6 - Docker **Graphics Authoring Tools - Blender - Gimp - Inkscape - Adobe Edge Animate **Special Awards - Eagle Scout, Boy Scouts of America, 2002 - Outstanding Physics Student, Marshfield High School, 2002 - Outstanding Foreign Language Student, Marshfield High School, 2002 - OMEA District VII 1st place Piano Soloist Winner & State Competitor, 2002 & 2001 - Varsity Cross-Country District Team Winners & State Participant, 2002
    vsuc_fltilesrefresh_TrophyIcon Python
    PostgreSQL
    JavaScript
    TypeScript
    MongoDB
    Node.js
    React
    AWS Lambda
    C++
    Java
  • $50 hourly
    I'm a professional data scientist and full-stack developer with a strong orientation in quantitative finance. I've created, backtested, and implemented trading algorithms both for myself and for multiple clients. Being an economist with an MSc in Quantitative Finance, in addition to having strong python, database, and overall data science skills make me a strong candidate for developing robust systems. Having had experience in developing WebApps, I also have vast experience in scraping alternative data. Working full-time as an algo developer keeps me updated on the most recent trends, both in the academic and the applied sectors.
    vsuc_fltilesrefresh_TrophyIcon Python
    Financial Analysis
    Data Analysis
    Machine Learning
    Bot Development
    SQL
    Data Extraction
    HTML
    PostgreSQL
    Data Scraping
    API
    Data Science
    Quantitative Finance
    Django
  • $50 hourly
    Backend developer with hands-on Python experience of more than 5 years. More than 10 years with different software development projects. Projects with background on payment systems, Enterprise Resource Planning (ERP), back-ends for automation and web. Experience with waterfall and agile methods. Practitioner of Test Driven Development (TDD) method. Interested in API development.
    vsuc_fltilesrefresh_TrophyIcon Python
    RESTful API
    Django
    API
    Asynchronous I/O
    Git
    Data Mining
    C++
  • $100 hourly
    I have a dual profency in trading and programming. Indeed, I graduated from a business school with a MS in Financial Markets and also developed my programming skills on a trading floor in Paris. 7 years of experience in trading automation. I also publish courses on Udemy dealing with programming/finance (12 000 students). --|-- Areas covered by my projects so far --|-- • Interactive Brokers API • Crypto Exchange APIs (Bittrex, Bitfinex, Gdax, Binance, Bybit, FTX, Huobi, HitBTC, Dobi, Bitmex, Exrates, GateIO, LiveCoin, Kraken, RightBTC, Hotbit, Exmo, Poloniex, Gemini, Coinbene, Yobit, Liquid, Cryptopia, Mercatox, Bleutrade,...) • Interactions with DEXs (PancakeSwap, SpookySwap) • Setting up blockchain nodes (Fantom Go Opera, Geth, Avalanche Go, Arbitrum...) • IG Market API, FXCM API • Technical analysis • Market Making • Machine Learning • Visualization tools (GUI, charts) • Data scrapping • Backtesting tools • Signal parsing (from various sources, social networks, brokers, Telegram, Discord...) • RPA (UiPath) --|-- Technology used --|-- • Python 3 (+ Django, Flask, Tkinter for the GUI) • Web3, Solidity • C# (WPF, Winforms) • NodeJS • Java • R • REST / Websocket / FIX protocol • HTML, CSS, Javascript (d3 for charting) • MySQL, PostgreSQL, HDF5 • Docker • Windows Server / Linux (Ubuntu)
    vsuc_fltilesrefresh_TrophyIcon Python
    Data Scraping
    C#
    Node.js
    Cryptocurrency
    Finance & Accounting
    Forex Trading
    Flask
    C++
  • $100 hourly
    Top 1% expert-vetted talent on upwork! ►Expertise: I have worked in web design for 8 years, mostly specializing in Wordpress. I have experience not only developing, editing, and redesigning sites, but helping businesses grow their business to the next level. I have extensive experience using Wordpress, Shopify, Webflow and other CMS platforms I am also an Elementor & Divi expert. I have worked with CSS, HTML, and Javascript so I can always build the perfect design regardless of existing templates and themes. When it comes to Wordpress, I am skilled in theme customization, responsive UI/UX development, and plugin customization. I am also familiar with several major Wordpress premium themes including: Astra, Avada, Divi, Elementor, Salient, Jupiter, X theme and more. ►History I come from a marketing and business background so when I build your site I do so with the goal of ensuring that you not only are presenting an amazing impression for your business but are also pushing your visitors to convert. I’ve worked with projects in a variety of stages, from making a few edits to your site all the way to looking for someone to take over the whole process including the design, development, hosting, editing, and maintenance. I offer a unique approach to developing sites start to finish based on 100s of projects. In a nutshell, I deliver a 'real end-to-end website solution'. ►Overview: I pride myself in my ability to provide amazing work that is design and conversion-driven. I have worked with clients in an array of industries ranging from artificial intelligence to wedding planning to universities and am always excited to work on a project in a new industry with its own unique challenges. ►Skills Set: 1. CMS: Wordpress, Squarespace, Webflow, Shopify, Weebly, Wix 2. Languages: CSS, HTML, Javascript, Python, SQL 3. Skills: Graphic design, e-commerce development, copywriting, SEO, video editing, logo design, business card design, theme development 4. Design & UX/UI: Miro, Figma, Sketch, XD and more 5. Web Building Tools: Divi, Elementor, Gutenberg 6. Tools: Adobe Photoshop, Adobe illustrator, Sketch, Canva, Moonclerk, Typeform, Memberspace, Woocommerce 7. Marketing: Branding, Facebook pixel, facebook ads, google ads, newsletter design, newsletter strategy 8. Understanding of best practices in design, optimization, and user experience 9. Site Speed Optimization 10. Website Migration between website builders & website hosting providers 11. Online Payment Gateway Integrations 12. Mobile & Tablet Responsiveness 13. Squarespace & Wordpress tutoring 14. WordPress Backups & Updates 15. WordPress Website Maintenance 16. Landing page optimization 17. ADA compliance audit & remediation
    vsuc_fltilesrefresh_TrophyIcon Python
    Google Analytics
    SEO Performance
    Shopify
    Webflow
    Digital Project Management
    Copywriting
    JavaScript
    Project Management
    HTML
    Squarespace
    Marketing Strategy
    WordPress
    CSS
    UX & UI
  • $60 hourly
    Do you need Blender tasks to be automated or want them implemented into the workflow of your company? I can help! As a software engineer specializing in Python and Blender, with over 6 years of experience, I can create the tools you need. Be it a small script or a fully fledged plugin, I can fully automate your Blender tasks and integrate them into any workflow! I'm happy to work to the highest coding standards, but can also work within deadlines and budgets. - Experienced in Python and Blender, Java, C#, SQL, Git, HTML, CSS, Django and more - Implemented API integrations and created PyQt GUIs - Worked on a large Crypto project (LUKSO) I'd love to look into your project!
    vsuc_fltilesrefresh_TrophyIcon Python
    CSS
    HTML
    PyQt
    Django
    API
    Java
    C#
    Plugin Development
    Unity
    Python Script
    Git
    Blender
    Scripting
    JavaScript
  • Want to browse more freelancers?
    Sign up

How it works

1. Post a job (it’s free)

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

Python: A Powerful Language for High-Traffic, Data-Heavy Apps

Python is a widely used, general-purpose, high-level back-end programming language that’s highly valued by startups who need to quickly prototype and develop applications, as well as data-driven companies that need to integrate data analysis and statistical techniques into their workflows.

Its combination of readability, flexibility, and suitability to data science operations have made Python one of the most popular and beloved languages according to developers on Stack Overflow. In this article, we’ll explore what sets Python apart from other programming languages, why it’s popular with data scientists, and what you should look for in a Python engineer.

High-level, readable, and efficient

One of Python’s defining characteristics is its efficiency. Every programming language has to balance the programmer’s time and the machine’s resources. Python is biased toward the former, with a guiding philosophy that comes down to “there should be one—and preferably only one—obvious way to do something.” That can mean there’s a bit of a learning curve as developers learn the ins and outs of Python syntax, but the upside is that developers can do more with fewer lines of code compared to more lower-level implementation languages like Java or C++. This efficiency is especially valuable for startups who need to quickly prototype applications and get them to market.

Python is also famous for its code readability, meaning that an application written by a developer in Python is more likely to be intelligible to the developers who have to maintain it months and years down the line.

Beloved by data scientists

Along with R and Java, Python is one of the most popular languages for data science and statistical analysis. For data scientists, Python combines Java’s suitability for building high-traffic web applications with R’s focus on executing complex statistical functions.

Another one of Python’s strongest assets is its extensive set of libraries. These libraries can make it easier for developers to perform complex machine learning or statistical analysis tasks without having to rewrite many lines of code. Some of the most popular libraries include tools for data manipulation and visualization (NumPy, SciPy, and matplotlib), data mining and Natural Language Processing (Pattern, NLTK). Perhaps unsurprisingly, Python is the language of choice for organizations with data-heavy workflows, from YouTube to the New York Stock Exchange to the National Web Service.

Python basics

  • It’s object-oriented.
  • It’s cross-platform, working on Linux, Windows, Mac, and most other operating systems.
  • Python’s standard library supports:
    • HTML & XML
    • JSON
    • E-mail processing
    • HTTP Server libraries, easy for developing servers, and support for FTP, IMAP, and other Internet protocols
  • It’s free and supported by an active open-source community.
  • It’s often substituted for PHP in the LAMP software stack.

The Python developer’s toolbox

What should you look for in a Python engineer? Experience on large-scale, high-traffic applications is at the top of the list, along with fluency in SQL and database optimization. Common duties and core skills of Python developers include modular programming, object-oriented programming, and extensive experience with SQL.

A guide to Python web frameworks

Full-stack or microframework?

One of your main considerations in choosing a framework should be the size and complexity of your project. If you’re trying to get a feature-rich web app that will integrate with the rest of your organization’s systems, then a full-stack option could potentially save your team lots of time and effort. If, on the other hand, you’re working on a small, relatively simple project with few requirements, then a microframework might have everything you need.

A related question is how much “scaffolding” you need from a framework. A full-stack option should have just about everything you need to actually build a functioning web app–form generators, templating, access control lists, etc–so your team can assemble the pieces as needed. This is an attractive option for teams that are trying to get a product together quickly because it allows them to focus on actually building the app and not the stuff that goes around it. But if you have complex custom requirements or are working with a lot of customized software already, you may not be able to take advantage of all those libraries in the first place.

Full-stack options

There are a bunch of full-stack options when it comes to Python frameworks. Some prominent examples include TurboGears 2, Pylons, and Web2py. That said, the most popular option, by far, is Django.

Django is the most popular Python framework around, and it’s easy to understand why. Thousands of websites are currently using Django, from daily newspapers to social media and sharing sites to major foundations and nonprofits. Since Django was originally developed for use in the newsroom, it’s no surprise that major daily publications like the Washington Post and The Guardian rely on it. Startups like Eventbrite and Disqus have turned to Django to scale quickly, while social media behemoths like Instagram and Pinterest have used it to power their dynamic web apps.

As a framework, Django is known for being fast to build and friendly to beginning programmers. It’s a “batteries included” framework, meaning it supplies all the critical components you need–template rendering, ORM, authentication, routing, etc. It’s also exceedingly well-documented, which isn’t necessarily the case with some other popular frameworks.

By taking care of a lot of decisions, Django can dramatically speed up the time it takes to bootstrap a new project. What you gain in speed, though, you may lose in long-term flexibility. For example, Django’s built-in ORM is considered fine for a majority of cases, but it’s not as powerful an ORM as SQLAlchemy, which is widely viewed as the best Python database abstraction tool. While you can theoretically use SQLAlchemy with Django, you’ll lose a lot of the functionality that makes Django so appealing to begin with.

Web2py is another popular full-stack framework. One thing to keep in mind about Web2py is that it doesn’t support Python 3. The original developer of Web2py has promised a Python 3-compatible successor, but as of 2017 it hasn’t appeared.

Despite now being nearly a decade behind the latest version of Python, Web2py is still used by many major organizations, including a number of international banks. What makes this older framework still appealing for many developers? For one, it’s as easy to learn as Django, but also more flexible and extremely portable. The same code can run on just about any VPS with a SQL database or MongoDB, whether AWS or Google App Engine.

Web2py is extremely well supported with book-length documentation and a passionate community behind it. Another neat feature is that Web2py comes with its own IDE that includes a code editor, debugger, bug ticketing system, one-click deployment, and more. If your organization is committed to Python 2 for the foreseeable future or you plan to make use of some older Python libraries and software, then Web2py could suit your needs just fine.

Pyramid isn’t technically a full-stack framework. It instead bills itself as the “Goldilocks” framework, feature-rich without enforcing one way of doing things, lightweight without leaving you on your own as your app grows. It’s a favorite framework among many experienced Python developers thanks to its modularity and transparency, and has been used by small teams as well as tech giants like Dropbox, Yelp, SurveyMonkey, and Mozilla.

Practically speaking, nearly all of Pyramid’s components can be swapped out. You can choose how you connect to a database, or even what type (or types) of databases you want to be able to connect to. It doesn’t enforce certain choices for you the way Django does, and it also discourages the sort of “magic” features that handle certain tasks automatically but don’t always behave in a predictable or desirable manner.

Pyramid is often celebrated for its security system, which makes it easy to set up and check access control lists. Another point worth calling out is Pyramid’s Traversal system for mapping URLs to code, which can make building RESTful APIs much easier.

Microframeworks

What if you don’t need the hand-holding or complexity of a full-stack framework? Many modern web apps require lots of moving parts, including database abstraction, form validation, and customized access control lists. But there are also plenty of web apps that don’t need any of that. For those kinds of projects, a microframework may be just what’s needed.

These ultra-lightweight frameworks are designed to get dead simple web apps up and running as quickly as possible. Their feature sets are minimal by design–anything functionality you could get by installing another library is deliberately left out. The plus side of this minimalist approach is that your code can be cleaner and your website faster. This is at least partly because microframeworks are generally less abstracted than full-stack frameworks. The code you write will be much closer to actual HTTP functions than with a more beginner-friendly framework.

Flask is probably the most popular microframework for Python, and one of the most popular Python frameworks, period. Like Django, it’s designed to get web apps up and running as quickly and painlessly as possible. Despite its small size, Flask has been used by big companies, including LinkedIn and Pinterest.

However, there’s a twist, which is that Flask is definitely suited to smaller, simpler projects than Django. Out of the box, you can expect a development web server, built-in unit testing, and support for Google App Engine. Now here’s a taste of what you won’t find in vanilla Flask: There’s no database abstraction layer, form validation, authentication, or upload handling, though all these features can be added through extensions. Some of the more common setups include Jinja2 for templating and CouchDB or SQLAlchemy for the database.

Some Python developers prefer Flask to Django because Flask is more “pythonic,” in that it mostly sticks to the Python mantra of there being one way to do something and that code should be explicit about what it’s doing. If you value clean code and don’t mind coding closer to the metal, then Flask may be a good option.

Bottle is another popular microframework. It was originally designed for building web APIs, and that’s still a good use case for it. What’s novel about Bottle is it tries to implement everything in one single file, which should give you an idea of how “micro” it’s designed to be. Out of the box it comes with routing, templating, utilities, and some basic abstraction over the WSGI standard. As with Flask, you’ll be coding much closer to the metal than with a full-stack framework. Despite its small size, Bottle has been used by the Netflix team to build web interfaces.

Python vs. Ruby

First, the similarities

Both are high-level, server-side scripting languages focusing on simplicity and prioritizing rapid development—getting things done fast, in fewer lines of code. These scripts eschew verbose code, strict hierarchy, and syntax correctness for more behind-the-scenes, object-oriented logic.

They’re used by entrepreneurs and startups alike to rapidly whip up web apps and prototypes, thanks to standard libraries, persistence support, and feature-packed frameworks—Python’s Django framework, and Ruby’s Ruby on Rails. Both are interpreted scripting languages, which means they don’t require a compiler like Scala or C++ do. Compiled languages tend to run faster, though. Rule of thumb? What you get in speed of development, you lose in runtime speed.

Now, let’s dive into their differences, starting with Ruby.

Ruby & the Ruby on Rails framework

Created in 1995, Ruby is object-oriented to its core, influenced by languages like C++, Perl, and Java. Here’s a look at Ruby, a language that’s ideal for collaboration, speed, and businesses that want a programming language that thinks as fast as they do.

Preferred for: Web development, functional programming

Philosophy: “Do more with less.” Developer freedom and flexibility, and more than one way to do things—something it inherited from Perl

Why developers love Ruby: Loose and creative coding, frequent updates, freedom and flexibility, and readable code that’s never confusing

Python & the Django framework

Python is all about efficiency and supporting calculation-heavy applications used in the fields of data and science. Along with its Django framework, Python enables super fast development.

Preferred for: Academic and scientific programming. Python has a slew of libraries for data work.

Philosophy: “One right way to do things”

Why developers love Python: Stability over change, conservative code, fewer updates

View less
Schedule a call