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based on 1,697 client reviews
  • $38 hourly
    💡 If you want to turn data into actionable insights or planning to use 5 V's of big data or if you want to turn your idea into a complete web product... I can help. 👋 Hi. My name is Prashant and I'm a Computer Engineer. 💡 My true passion is creating robust, scalable, and cost-effective solutions using mainly Java, Open source technologies. 💡During the last 11 years, I have worked with, 💽Big Data______🔍Searching____☁️Cloud services 📍 Apache Spark_📍ElasticSearch_📍AWS EMR 📍 Hadoop______📍Logstash_____📍AWS S3 📍 HBase_______📍Kibana_______📍AWS EC2 📍 Hive_________📍Lucene______ 📍AWS RDS 📍 Impala_______📍Apache Solr__📍AWS ElasticSearch 📍 Flume_______📍Filebeat______📍AWS Lambda 📍 Sqoop_______📍Winlogbeat___📍AWS Redshift 5-step Approach 👣 Requirements Discussion + Prototyping + Visual Design + Backend Development + Support = Success! Usually, we customize that process depending on the project's needs and final goals. How to start? 🏁 Every product requires a clear roadmap and meaningful discussion to keep everything in check. But first, we need to understand your needs. Let’s talk! 💯 Working with me, you will receive a modern good looking application that will meet all guidelines with easy navigation, and of course, you will have unlimited revisions until you are 100% satisfied with the result. Keywords that you can use to find me: Java Developer, ElasticSearch Developer, Big Data Developer, Team lead for Big Data application, Corporate, IT, Tech, Technology.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Big Data
    ETL
    Data Visualization
    Amazon Web Services
    SQL
    Amazon EC2
    ETL Pipeline
    Data Integration
    Data Migration
    Logstash
    Apache Kafka
    Elasticsearch
    Apache Hadoop
    Apache Spark
    Core Java
  • $30 hourly
    Learning is also a kind of earning. So, I learned Web analytics and completed 200+ projects on Fiverr and Upwork. Then I fell in love with Data Science and learned its all topics by heart along with a master degree in Data Science :) The future belongs to those who learn more and more skills so I believe that when we stop learning, we start dying. However, my existing skills along with a short description are given below. Web Analytics: Certified, experienced and best at web analytics using Matomo and Google Analytics. Web Development: PHP frameworks are my home turf and I have completed so many projects in Opencart, Codeigniter, Laravel, and WordPress. Please have a look at the portfolio to see the projects. Web scraping & crawling: Thanks to the Search Engine development project for which I crawled & scraped 1 million web documents :P so after that I always see myself doing scraping, crawling, and automation-related projects. For automation, I use selenium, beautiful soup, and Python. APIs development: As Python is in my blood so before data science, I used to work on APIs development and web scraping using Python. Big data: I have rich experience in the Hadoop eco-system using Apache Hadoop, Apache Hbase, Apache Nutch, Apache Hive, Apache Solr, etc. The detail is given below. ** Apache Hbase: How to store and retrieve data from Hbase and how to use it with Hadoop and Apache Nutch. ** Apache Nutch: How do search engines work? How to develop your own search engine using Apache Nutch as a crawler, Customization of Nutch at all phases, Tuning of Nutch for effective crawl, and a lot more. ** Apache Solr: How to use Solr for indexing purposes, How to use it in distributed mode, how to do indexing, how to analyze indexed data using different Solr clients. Matomo analytics: There was a time when I was the only Matomo related developer on Fiverr and Upwork. I have very rich experience in following tasks. ** Matomo Installation, configuration, and integration with the website. ** Matomo customization like custom dashboard development i.e., change look & feel different and you can claim that it is your custom product. ** Custom event tracking with/without Matomo tag manager ** Custom variables/dimensions, Goals, and conversions tracking. ** Conversion rate, custom reporting, and GeoIP-based correct location tracking. ** Expert to fetch tracking data through Matomo API to develop a custom dashboard or to display insights on another website.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    RESTful API
    Machine Learning
    Data Analysis
    Google Analytics
    Database Design
    Web Analytics
    Big Data
    MySQL
    DApps
    Piwik PRO
    ETL Pipeline
    Python
    Microsoft Excel
    Data Scraping
    Data Mining
  • $70 hourly
    ✅ AWS Certified Solutions Architect ✅ Google Cloud Certified Professional Data Engineer ✅ SnowPro Core Certified Individual ✅ Upwork Certified Top Rated Professional Plus ✅ The author of Python package for cryptocurrency market Currency.com (python-currencycom) Specializing in Business Intelligence Development, ETL Development, and API Development with Python, Apache Spark, SQL, Airflow, Snowflake, Amazon Redshift, GCP, and AWS. Accomplished lots of complicated and not very projects like: ✪ Highly scalable distributed applications for real-time analytics ✪ Designing data Warehouse and developing ETL Pipelines for multiple mobile apps ✪ Cost optimization for existing cloud infrastructure But the main point: I have a responsibility for the final result.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Data Scraping
    Snowflake
    ETL
    BigQuery
    Amazon Redshift
    Big Data
    Data Engineering
    Cloud Architecture
    Google Cloud Platform
    ETL Pipeline
    Python
    Amazon Web Services
    Apache Airflow
    SQL
    Apache Spark
  • $80 hourly
    I am Experienced Software Engineer have 5 years experience in development of enterprise Applications from Back-end to Desktop and Web Applications, additionally, I am working on Machine learning Applications. please check my samples on GitHub GitHub Profile: (mostafafotoh) --- TECHNOLOGIES --- ----- React/Redux. ----- Python / Django / Machine and Deep learning / NLP / Scraping. -Python - Django - web technologies : Cron, Djangorestframework, python-social-auth, Flask, Odoo, celery. -Machine and Deep learning : Scikit-Learn, Numpy,Pandas, tensorfolw , Keras , Pytorch. -NLP : NLTK , Spacy , CoreNLP. -Scraping : Scrappy,Butifulsoup ,requests. -DataBases: Mysql DB, Oracle, Mongo, PostgreSQL -IDE: Pycharm -Version Control: SVN, Git -Testing: Unit Testing EX : - CRM Forms (Django) - Wirruna ski lodge (Django) - Arabic Opinion Miner.(Machine learning - Deeplearning) - English Twitter Opinion Miner.(Machine learning - Deeplearning) - House Prices Prediction System.(Machine learning - Deeplearning) - Amazon Scraper.(Python) ------------------------------- --- Machine Learning / Deeplearning / NLP Machine learning Algorithms(Supervised-Unsupervised) : Decision Trees, Adaboost,K-mean, Naive Bayes, Regression , SVM , Clustering . Deeplearning Algorithms : Perceptron ,CNN ,RNN,KNN. NLP : ( Can do with both Deep and Machine Learning ) - Social Analysis,Sentiment Analysis (English,Arabic) . ------------------------------- ----- Java / J2EE JSP, JSF (PrimeFaces and RichFaces), GWT, Swing, Hibernate, XML, JSON, web services (Soap, REST), Apache Solr. DataBases: Mysql DB, Oracle, Mongo, PostgreSQL Mobile: J2ME, Android Build Tools: Maven, Ant Servers: JBoss Server, Tomcat, GlassFish WebLogic IDE: IntelliJ, Eclipse, Netbeans Version Control: SVN, Git Testing: Junit Logging: Log4J ------------------------------- ----- Big Data Hadoop, Spark, HBase, MongoDB, Hive, HQL , Splank. ------------------------------- ----- Cloud Google App Engine, Amazon EC2 -------------------------------
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Apache Kafka
    Data Scraping
    API Integration
    Automation
    Amazon Web Services
    ETL Pipeline
    Big Data
    Apache Airflow
    Google Cloud Platform
    Query Tuning
    Django
    SQL
    Python
  • $44 hourly
    If you're considering a development project, talk to our team. We'll walk you through a brainstorming session where we can scope your project and explain how ... _Entrepreneurs: Have a big idea but don't have an engineering team in place already? Let us be your one-stop-shop. We'll work together with you to evaluate your needs, develop a game-plan and create a product you can be proud of. _Startups: Need to augment your team with highly specialized members who can integrate seamlessly with you? We can provide an extremely talented, focused team that will work alongside you for incredible results _Enterprises: Can't find the internal resources for a new project or request? Let us help. We understand the scalability and security concerns that come with an enterprise system. -Experience in coding/development of front-end as well as back-end technologies. -Expertise in designing and developing applications using MVC, ASP.NET, C#, VB.NET, SQL SERVER 2005/2008/2012, HTML 4/5, Java Script, Win Forms, Entity Framework & Angular.JS. Good experience in XML and XSLT transformation. -Expertise in using Language Integrated Query (LINQ) for data manipulation. Good experience in development of reports using Crystal Reports, SSRS, and Data Reports. -Experience in the complete life cycle of project development (SDLC) including System Analysis, Design, Development, Testing and Deployment. -Proficient in Model-View-Controller (MVC) architectures using Rails framework. -Pervasive experience in implementing agile development methodology and scrum for the project. -Developed well-tested, readable, reusable UI interface using Ruby, JavaScript, HTML and CSS on both Windows and Linux systems. -Experience in implementing Rails Migrations
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    iOS Development
    Android
    AWS IoT Core
    Swift
    Node.js
    Ruby on Rails
    Machine Learning
    React
    OpenCV
    GPT-3
    ArcGIS
    AngularJS
    React Native
    Big Data
    C++
    Java
  • $40 hourly
    I am an experienced and proficient web scraper using Python to obtain very large amounts of data from a variety of online sources. I do fixed-price work and have successfully pulled data from 100's of sites with examples being business locations, directories, public information, IMDB movie info, sports-reference stats, music charts, Forbes company rankings/info, ESPN player pages, Google search results, as well as hundreds of other queries of all genres. You can see some of my results via the data sets which are used on my big data quiz site, hugequiz.com. I have been able to retrieve data from articles, tables, lists, recursively via search results, from sites with AJAX/Javascript, and even when authentication is required. Any project you have I would be able to discuss and preview the site(s) which need to be scraped in order to provide you the output you are looking for in .CSV or other format.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Big Data
    Data Scraping
    Python
    Microsoft Excel
  • $40 hourly
    My clients benefit from the premium data analysis and scientific writing with rapid turnarounds ⚡ — IBM certified expert in statistics and research with dozens of scientific publications! The World Health Organization (WHO) is only one of many globally recognized organizations I have collaborated with over my 5 years of experience in data science and scientific research. Combination of analytical skills with medical knowledge allowed me to bring creative research ideas out of health data leading to 20+ publications in prestigious journals such as The Lancet and The BMJ. ⭐ Why me? ✔️ IBM Certified Data Scientist & Medical Doctor ✔️ Python Programmer with 5 Years of Experience ✔️ Author of Multiple Research Articles in Prestigious Journals (e.g. The Lancet) ✔️ World Health Organization (WHO) Collaborator ✔️ Rapid Turnarounds & Extremely Responsive ✔️ 100% Job Success Score & Great Reviews
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    PySpark
    Scientific Writing
    Data Analysis
    Big Data
    Statistics
    Scientific Research
    Data Science
    Data Visualization
    Machine Learning
    Statistical Analysis
    SQL
    Python
    Data Scraping
    Apache Spark
    Tableau
  • $35 hourly
    ***********************I shall either find a way or make it one******************** I'm an Engineer in Operational Research , I've got many skills and expertise that will allow me to achieve perfectly all the projects and missions. I have advanced knowledge's in: Vba Excel Optimization Queuing Theory Linear Programming Economics modeling, Data Mining: Factor analysis, Principal Component Analysis, Regression (Simple, Multiple, logistic, hierarchical, Poisson), Anova, Clustering, Hierarchical Clustering... I master Lingo, Ampl, Spss, Stata, R, Eviews, I'll provide you perfect reporting using MsWord. Also I have a huge experience / Knowledge with creating software for scraping/extracting data from web site with VBNET
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Marketing Analytics
    Machine Learning
    API Integration
    Django
    Stata
    Big Data
    R Shiny
    Statistics
    Statistical Programming
    Data Scraping
    Python
    R
    pandas
    Data Mining
  • $20 hourly
    I am a Data Engineer specializing in: ⭐Workflow automation and management ⭐Web Scraping ⭐Database Design/Management and Workflow creation for small/large-scale data processing. My Experience: ✅ Worked on 300+ projects where I did the entire process of creating custom scripts in Python, Bash Script, JavaScript etc, creating databases, creating API, testing workflows, and managing them on the cloud. What sets me apart from other experts is my expertise and work experience involving: ✔️ Captcha bypass API integration. ✔️ Proxy integration. ✔️ Adherence to good practices to ensure robust and undetectable scrapers and automation tools. ✔️ Experience in large-scale data scraping/maintenance. ✔️ Frontend experience (React, WordPress, HTML, CSS, JavaScript) ✔️ Backend experience (Django, Flask, PHP, Python) ✔️ Data classification and machine learning (Price prediction models, Classification models) Expert in: ✔️Scrapy / Portia / Crawlera framework ✔️Pandas Dataframe for data analytics and database. ✔️Amazon AWS, Google Cloud, Digitalocean, Vultr, etc VPS services. ✔️SSH. FTP, SQL, Database, and backend development. ✔️Linux Servers (CentOS, Ubuntu, etc,) ✔️Django, Flask, WordPress, HTML, CSS, JavaScript, Python, MySQL, MongodB. Services I offer: ✔️ Web Scraping ✔️List Building ✔️Data Mining ✔️Web Search automation ✔️Lead Generation ✔️Excel / CSV / XML / JSON structured output from websites. I am flexible with my working hours and I am comfortable working with a team. Feel free to contact me if you have any project.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    API Integration
    API
    Data Extraction
    Big Data
    Web Crawling
    List Building
    Lead Generation
    Flask
    Beautiful Soup
    Python
    Data Mining
    Scrapy
    pandas
    Data Scraping
    SQL
  • $60 hourly
    Hello , I'm a Doctor specialized in Semantic web Technologies(XML,RDF,Ontology,...),.  I have experience with : - Algorithms and programming ( Web, Desktop & utilities ): with good experience with many programming languages: R, Java, JEE (JSP,Servlet,JSF,Primfaces,Richfaces), Javascript, Python, ... - Certificate of Specialization in Data Science and Big Data Analytics: statistics, data mining and machine learning algorithms. ( classification, clustering, prediction, & regression) - Web Scraping: Data Extraction from web pages. -Semantic Web Technologies: JENA Framework,OWL API, SPARQL,NEO4J,Database to Ontology Construction (D2R, R2O, Relational.OWL,Triplify,...). - Servers & Networks administration : VPS management, service configuration(dns,web, ..), Database management (SQL & NoSQL), Web hosting,... feel free to contact me. I always provide support after the contract ends! Regards.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Neo4j
    NodeJS Framework
    MongoDB
    JavaScript
    Knowledge Representation
    Data Analysis
    Big Data
    SPARQL
    RDF
    Graph Database
    OWL-S
    Knowledge Graph
    Ontology
    Machine Learning
    Natural Language Processing
  • $65 hourly
    * Started programming at 13 (now 34) * Co-founded 4 software startups. * 21yr fast forward: I have been a Programmer / DevOps / Software Architect / CTO * Realized that Artificial Intelligence, Big Data and Scientific Computing projects turn me ON. I have experience and love for creating simple & complex : 1. Web Applications (in Node.js and React.js) 2. Decentralized Applications (built on Ethereum, Hyperledger and EOS). Bitcoin too 3. Internet Crawlers - (built on Apache Hadoop, Apache Nutch, Apache Storm) 4. Hardware Interfacing IoT Apps 5. iOS & Android Mobile Apps 6. Windows, Mac Desktop Applications 8. Interactive Voice Response (IVR) Systems 9. High Performance Computing​ GPGPU​ programs
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    IBM Watson
    Ontology
    Robotic Process Automation
    Dialogflow
    Data Visualization
    Natural Language Processing
    Graph Database
    spaCy
    Web Crawling
    Artificial Intelligence
    Chatbot Development
    Big Data
    Data Science
  • $30 hourly
    High-quality outcomes & your trusted companion for the long-term data journey. 11+ Yrs of immense ex 💎 Top Rated PLUS, Trusted by 170+ clients, 7800+ 🅷🅾🆄🆁🆂 worked 🥇𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗼𝗻 𝗧𝗮𝗯𝗹𝗲𝗮𝘂 (𝗗𝗲𝘀𝗸𝘁𝗼𝗽 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁) 🥇𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗼𝗻 𝗣𝗼𝘄𝗲𝗿 𝗕𝗜 (𝗣𝗟𝟯𝟬𝟬) 🏅 Top 1% of Tableau Developers 🏅 Top 1% of PowerBI Developers Open for a long-term opportunity 11+ years of immense experience in building 200+dashboards and implementation in QlikView Domo, Klipfolio, and Tableau, Power BI projects single-handedly. I also have sound knowledge of ETL, Datamining, data fetching, Oracle database, Google Analytics, Social media analytics. I am also Tableau sales accreditation certified and attended tableau basic and advanced paid training certification as well. I also have snowflake core certification, and also Klipfolio certified expert, please visit my certification section for more info. Skillset: ✅ Tableau ✅ Klipfolio ✅ Qlikview ✅ Domo ✅ Google data studio ✅ Sisense ✅ Looker ✅ Power BI ✅ Click data ✅ AWS Quick sight ✅ Google analytics ✅ Tealium ETL Tools: ✅ Azure DataFactory ✅ AWS Glue ✅ Alteryx ✅ Integromat/Make ✅ Knime ✅ Power Automate Databases: ✅ SQL Server ✅ Oracle ✅ Hadoop impala/hive ✅ Mongo DB ✅ Postgres Sql ✅ Snowflake/Amazaon RDS 💎 Top Rated PLUS | 🕐 Fast Turnaround 🌟WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: It is my purpose to provide VALUE to all of my clients and build a relationship with you in order to make for a great project. As you can see from my reviews, my clients speak from their heart when describing their experience working with me. I intend to leave that impression on every person I have the pleasure of working with. ✅ Communication: From my experience as a business consultant, communication is one of the most important things when working together. Honest and sincere communication. I make it a responsibility of mine to be as responsive as possible to ensure a smooth working process. ✅ Mastery: As Don Miguel Ruiz said in The 4 Agreements, always do your best. I always go the extra mile to make sure the solution I build are flawless and attractive; I want to be confident in every solution I showcase on my portfolio. I'm excited to work with you 🟢 GO GREEN 🟢 • Data Analysis/Visualization Software: Power BI, Tableau, Datorama, Klipfolio, Qlicksense, Domo • Programming languages: R, Python, SQL • Database : MySQL, Microsoft SQL, Oracle, MongoDB • Big Data: PySpark, Big Query • Server side Programming: Django, Flask • Cloud Server : AWS • ETL : Alteryx, SSIS • Machine Learning & Data Mining & DL : Regression, Classification, Clustering, Text Mining, CNN, RNN models CERTIFICATIONS 🏅 Tableau Desktop Specialist Certified 🏅 Tealium Specialist Certified 🏅 Microsoft Certified: Power BI Data Analyst 🏅 Google Data Studio Certified 🏅 Alteryx Designer certified 🏅 Microsoft Certified Professional (MCP SQL) 🏅 Excel and Spreadsheets Expert 🏅 Zoho and Looker Expert 🏅 D365 CRM and SharePoint Expert If you are looking for a professional with qualities such as ‘value provider’, ‘project enabler’, and ‘problem solver’, then you have arrived at the absolutely right place.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Market Research
    Snowflake
    Data Analytics
    Data Modeling
    Database Design
    Data Mining
    SQL Programming
    Alteryx, Inc.
    Microsoft Power BI Data Visualization
    Python
    Dashboard
    Data Visualization
    Looker Studio
    R
    Tableau
  • $30 hourly
    Experienced full stack software developer in C#/VB.Net with expertise in T-SQL, Crystal SAP Reports, ASP.Net Core, Entity Framework, JavaScript, Azure Cloud. Apart from that, a good command over OOPs concepts and MVC patterns, along with knowledge in design, analysis, development and implementation of various web or standalone applications based on Microsoft technologies (.Net Framework 2.0, 3.5, 4.0, 4.5, .Net CE Framework, .Net Core) as integrated components in Enterprise Resource Planning Solutions (ERP) for small, midsize and large companies.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Google Ads
    Microsoft Azure
    C#
    SAP Crystal Reports
    ASP.NET Core
    ASP.NET MVC
    Database Design
    SQL
    MySQL
  • $30 hourly
    With close to 10 years of industry experience in the specialised field of software design and development, I possess proven capabilities to develop high quality software applications. My aim is to obtain a challenging position that will utilise my skills and experiences and which will also provide me with the opportunity for growth and advancement. Languages- Java, Python, Javascript. Skills- Core: Data Structures and Algorithms. Data Analysis: Hadoop MapReduce Backend: Java, Spring, Spring Boot, Microservices, Struts, Design Principles, Design Patterns, SQL, Webservices, SOA(REST and SOAP), JMS, Servlets, Swing, JSP, MAVEN, Sub versioning(svn, git), Jenkins. Frontend: HTML5, CSS3, Javascript, Jquery, Bootstrap, React.js.  IDE/Tools - Atom, Notepad++, Brackets, Eclipse, NetBeans, Excel, RapidSQL, Squirrel, Pycharm.  Databases - Oracle, DB2, MySQL, PostgreSQL. Achievements-  Won INFOSYS' Quarterly Manufacturing Unit Level award for my outstanding performance in Quarter 4, 2010.  Won Royal Bank of Scotland's monthly awards for outstanding performance during the period Aug'14 and July'15. It is a certificate of recognition of commitment, hard work and continued contribution to the business.  Won Royal Bank of Scotland's Star Team of The Month award for supporting colleagues and making a positive contribution to the business. Projects- 1. User Interface Development 2. Enterprise Application Development 3. Website Development 4. Desktop Software Development 5. Peer-to-peer application development 6. Webservices English Exam(s)- Pearson Test of English(PTE) Academic - Overall Score - 76 with 90/90 in English Writing. IELTS General - Overall Score - Band 7 with 8.5 band in English Listening.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Big Data
    MapReduce
    API
    Database
    Spring Framework
    CSS
    Apache Tomcat
    Spring Boot
    Microservice
    Apache Hadoop
    Java
    Python
    JavaScript
  • $85 hourly
    I bring a strong background in data management and analytics to the table, with proficiency in SQL (MySQL, PostgreSQL, MS), NoSQL (JSON, MongoDB, DynamoDB), and expertise in automating and managing data pipelines using tools like Python, Hadoop, and Airflow. My experience extends to various visualization and BI tools, including Tableau, PowerBI, Google Data Studio, and Looker, enabling me to transform complex datasets into actionable insights. I have experience writing and managing Python backends (using Flask and Django) and front-end javascript applications (React, Angular, Vue.js). In addition to my front and backend skills I have a keen interest and proficiency in AI technologies, including working with natural language processing (NLP) models like ChatGPT and Langchain. This AI expertise allows me to harness the power of advanced language models for text analysis, chatbot development, and other AI-driven applications. Whether it's optimizing data pipelines or leveraging AI for enhanced data analysis, I'm committed to working collaboratively with stakeholders to ensure speed, consistency, and reliability in data solutions throughout the entire data lifecycle.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Flask
    Django
    React
    MySQL Programming
    Google Cloud Platform
    BigQuery
    Data Analysis
    Data Visualization
    Tableau
    Looker
    Business Intelligence
    Microsoft SQL Server
    PostgreSQL
    Python
    MySQL
  • $60 hourly
    I am an experienced python developer. My area of expertise is "Web Scraping/Web Data Extraction'. I can scrape a wide range of websites of both types: static and dynamic. I can also create you an Excel VBA script for web scraping if required. In addition to web scraping, I can help you with the following: + Executable python scripts + Macros (Excel VBA) + Selenium automation + Webscraper.io (Chrome extension) + MySQL queries + Parsing a large number of PDF files + Regular expressions (re) and many more Moreover, I am very knowledgeable, fast and quick, responsive, highly meticulous to the details. I make sure Quality Work and Timely Delivery are never compromised. Words mean nothing unless we perform! Don't hesitate to ask me for any assistance! Do reach out to me and let me prove my words! Thanks for stopping by! Regards, Umar
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Data Management
    Bot Development
    SQLite Programming
    Data Mining
    API Development
    Instagram
    Regex Writing
    Visual Basic for Applications
    Data Scraping
    Python
    Selenium
    pandas
  • $62 hourly
    Taking care of the most complex and ambiguous data extraction/transformation projects. Extracting ANY type of data from ANY types of sources on a large scale. Solving "technically impossible" scraping tasks. My work experience includes: • Dealing with extreme volumes of data (10+ bil entries) and building high-performance crawlers (up to 500k entries per min); • Scraping data from hundreds of websites and services including Google Search & Maps, Bing, Instagram, Twitter, Facebook, LinkedIn, Pinterest, YouTube, Amazon, Ebay, AliExpress, Yelp, TripAdvisor, and others; • Dealing with all kinds of scraping restrictions and limitations (CAPTCHAs, authorization tokens and cookies, querying limits, browser fingerprinting, etc.); • Blending dozens of discrepant external data sources into one data flow, integrating with existing internal databases/systems; • Mining for "hidden" market/competitor data often transforming into actionable insights; • Visualizing insights from external data in "easy to read" diagrams, reports, and maps. -------------------------------------- Technical background/preferences: • Programming Languages: C# - Primary, Python, JavaScript - Secondary • Platforms: Windows - Primary, Linux, MacOS - Secondary • Databases: PostgreSQL, SQL Server, MySQL, Amazon Athena/S3, Google BigQuery • Cloud Platforms: AWS, Google Cloud, Microsoft Azure • BI Reporting Tools: Tableau, Redash, Retool, Apache Superset
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    C#
    SQL
    Browser Automation
    PostgreSQL Programming
    API Integration
    Data Scraping
    Web Crawling
    Data Extraction
    Data Mining
    Selenium
  • $40 hourly
    ✔ Top Rated Plus ✔ $2 Million+ Earned ✔ 53 Total Jobs ✔ 28, 225 Total Hours Worked on Upwork ✔ All 5.00 ★★★★★ Feedback from past clients ✔ 100% Jobs Success Score I am a highly skilled and Senior Full Stack Developer specializing in MERN Stack Development. I have over 10+ years of experience spanning various industries including e-commerce, healthcare, finance education, entertainment, and real estate. From building dynamic web applications to optimizing user experience, I will deliver tailored solutions that drive success. My Skills: - Front End Development: React.JS, Vue.JS, JavaScript, CSS, HTML, React, jQuery, Angular - Back End Development: Node, Python, Django, Laravel, PHP, Typescript - Database: MySQL, MongoDB, Postgress - AWS Tools: Lamda, Cloud Front, EC2, S3, LightSail, Kinesis, Kubernetes, Docker, Nginx - API Design: API integration, RESTful APIS - Tools: Git, GitHub, Bitbucket, VS Code, Fork, Trello, CLI, NPM, Yarn, Chrome debugging tool, Hasura, GraphQL query language for creating a single endpoint at the back-end - Quality Assurance and Support CVS: Git (Github, GitLab, Bitbucket) Project Management: Jira, Asana, Monday, Trello Communication: Upwork or any other after contract Let's work together to bring your vision to life or take your project to the next level! Thank you!
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Angular
    Website
    MERN Stack
    Data Scraping
    Web Development
    MEAN Stack
    Android App Development
    Mobile App Development
    iOS Development
    MongoDB
    Node.js
    React
    Amazon Web Services
    PHP
    JavaScript
  • $40 hourly
    Headline: Over 5 years of experience across the Financial Services sectors, SaaS, Human Resources, Marketing, Manufacturing with expertise in Data Engineering, Data Modeling and Data visualization. Proficient in writing SQL queries using joins, sub queries and correlated sub queries to retrieve data from the database. Strong skills in the development of automated reporting and dashboards with merging and data transformation. Skills : SQL, DAX, M, Power BI, Tableau, Google Data Studio, Data Analysis, Data Visualization, ETL, MySQL, Microsoft SQL Server, Postgres, Big Query, Azure Data Factory Description: ⦿ Independently discovered solutions and collaborates on insights and best practices. ⦿ Experienced with self-service query tools and dashboards - preferably Power BI, Tableau, Google Data Studio ⦿ Understood star schema design and managing large data volumes. ⦿ Assisted creation of new measures and dimensions in existing cubes to enhance business analysis - preferably SSAS ⦿ Utilized Microsoft Power BI to create new reports for all functions of business sales, production, inventory, purchasing, accounting, etc. ⦿ Implementation BI solutions from scratch - preferably Power BI ⦿ Responsible for delivering reports tailored to client requirements, leveraging the data from the MySQL, PostgreSQL, Big Query, Google Analytics, MS SQL Server, Salesforce, API ⦿ Collecting and mining data from different data sources, cross-function analysis Several feedbacks from employers: "Evgeniy was very flexible to work with, his Power BI skills are great! He understood the work required, and was able to bring our vision to life with ease. We will happily hire Evgeniy again." - Adam Gabriel, J&J "Evgeniy delivered great work on this data analysis project. Final results, communication and speed of delivery were fantastic. Will definitely be hiring him again. Thanks Evgeniy!" - Kara Sherman, Corel Corporation,
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Data Analysis
    Data Analytics & Visualization Software
    Data Warehousing & ETL Software
    Data Modeling
    ETL
    Business Intelligence
    Power Query
    Microsoft Power BI Data Visualization
    Data Visualization
    Microsoft Power BI
    Looker Studio
    Data Analysis Expressions
    SQL
    Tableau
  • $50 hourly
    🥇 The Top 3% of Talent (TOP RATED PLUS) - Extremely Reliable and Communicative 🛠️ Specializing in Mobile App Development | Flutter | Kotlin, Swift & JAVA | iOS and Android 🇺🇸 Honored as a Top Mobile App Developer for hire. 🏆 Award Winning Mobile App Developer 📰 Featured on many websites for my innovative contributions to mobile app development. I've had the privilege of propelling clients to significant milestones, including achieving $1M in Annual Recurring Revenue (ARR). ⭐️ Client Testimonials: "Exceptional Freelancer - Highly Recommended..." "Nikhil did an awesome job creating apps for us..." "My experience has been wonderful working with Nikhil. We are rehiring Nikhil for our next and future projects...” Stats: 🏅 Top 3% of Mobile Developers 🏅 100+ Completed Jobs 🏅 100% Job Success Rate 🎓 Graduate with a Engineering Degree in Computer Science. With a solid 8-year trajectory as a Mobile App Developer, I've honed my skills across a plethora of projects that span iOS and Android platforms, utilizing Flutter and Native to create high-impact applications. My forte lies in converting ideas into digital realities that propel businesses forward. From crafting engaging user interfaces to optimizing backend processes, my holistic approach ensures a robust and scalable app solution. I thrive in various development scenarios, whether its working with a team to deliver a project on a tight deadline or building an application from scratch all on my own. My experience extends to working with startups that have secured significant venture capital funding, as well as established enterprises aiming to expand their digital footprint. 🌟 Why Choose Me: Client Satisfaction: My reviews reflect the genuine value I provide. Effective Communication: I prioritize prompt and sincere interactions to ensure project fluidity. Mastery: I strive for flawless, visually appealing apps worthy of portfolio inclusion. 😁 Eager to collaborate! Whether you're a startup aiming to elevate your product or an established enterprise looking to scale, I'm here to help. Let’s kickstart our partnership with a complimentary 15-30 minute discussion to blueprint your pathway to success.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    AWS Development
    Instagram API
    Google Maps API
    WordPress Development
    Project Management
    PayPal Development
    Database Architecture
    Java
    iOS Development
    Kotlin
    iOS
    Android App Development
    Firebase Realtime Database
    Firebase Cloud Firestore
    Firebase
  • $138 hourly
    Cornell/MIT educated data scientist with financial modeling and digital analytics experience at Fortune 500 companies. • Academic experience as TA/RA at MIT and Cornell University. • Advanced R, Python, SPSS, SAS, Tableau, SQL, MPlus. Some of the projects I have done are: • Time series analysis, financial forecasting and other econometric methods • ANOVA, MANOVA, GLM, SEM in social sciences • Biostatistics and medical research including analysis of clinical trials • Regression modeling • Machine learning and various statistical models in big data • Valuation, investment analysis and financial modeling in the investment banking industry • Risk modeling • Computer vision • Digital analytics such as campaign analysis for display (Facebook Ads, Google Ad Manager, etc.), customer insights (Facebook Insights), lead tracking (CallRail), SEM/PPC (Google Ads), and web traffic (Google Analytics) analysis
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Regression Testing
    Statistics
    Product Analytics
    Google Ads
    Data Analysis
    Biostatistics
    Marketing Analytics
    Econometrics
    Neural Network
    Time Series Analysis
    Tableau
    Python
    R
    SAS
  • $45 hourly
    Data Science, Statistical modeling, and SAS Professional with 17 years experience in Personal Lines Insurance, FMCG, Financial Services, Health Care, and, Telecommunication verticals. - Exploratory analysis, data mining, and data transformations (ETL) on very large data. - Predictive Modeling: Multivariate Regression, Logistic, GLM, Non-Linear Models - Machine Learning: Decision Trees, Random Forests, Bagging & Boosting, Clustering - Optimization techniques: LP, NLP, Heuristics - Market Basket Analysis, Chi-Square Tests, Balanced Scorecard, Customer acquisition models. - Data Extraction from very large databases. Merge and Sort techniques - Data Transformation, including normalizing data, data cleansing, and handling missing data - Data Load, including loading summarized data and OLAP cubes - Developing KPIs, Reports and Dashboards. Software: SAS Studio, SAS Enterprise Miner, SAS Enterprise Guide, SAS BI Suite (ETL Studio, DI Studio), SAS/STAT, SAS/Macro, SAS/SQL, SAS/Graph, PL/SQL, Tableau, Microsoft Suite (Excel, Word, PowerPoint) Platforms: MVS OS/390, DB2, SQL Server, Unix, Windows Education: MS Decision Sciences, Drexel University, Philadelphia MBA Operations Management, Philadelphia University, Philadelphia Achievements: Developed an online Product Recommendation Engine for customers for a Telecommunications company. The engine is still in use today. Developed Prospect Acquisition Models to target the best prospects for client’s marketing campaigns. The models were built using Machine Learning techniques. Completely automated the actuarial premium rate-making process done manually at a major Insurance company. Reduced total turnover time from 30 days to less than 5 days. Designed and implemented a Business Intelligence system for financial data at a Health Care company. Shortened the process cycle from 3-4 weeks to 2 days. Developed a new, data driven Trade Area algorithm for existing and new retail/big box outlets. Experience (Last 10+ years): Data Science Freelancer (03/2020-Present) RFM, clustering, and market basket analysis (MBA) for an online retail company. Survey analysis of students and parents responses for a school district in Connecticut. Developed test questions on Data Modeling for an online recruitment testing company. Developed undergraduate course content for Data Science and Statistics for a US University. Propensity Score model development to determine store locations for a construction company. Completed projects in predictive modeling and forecasting in various domains, including health care, credit risk, and, insurance. Bridgetree Research Pvt. Ltd (01/2019 – 02/2020) Director, Data & Analytics Developed Look-Alike models using Logistic Regression for marketing campaigns of a Cable Dish Network company. Developed Prospect Acquisition Models for marketing campaigns of an amusement park chain. The models were built using Machine Learning techniques. Identified primary customer segments of a Pet Retail chain using K-Means Clustering. Performed Exploratory Data Analysis for the client. Refined existing statistical models for a furniture retail chain and a sports goods company. Revamped KPI Dashboard for a furniture retail chain. Taught Statistics to Consultants using SAS software. Held 1 session per week. Topics included Logistic Regression, Decision Trees, Random Forests, and, Clustering. Nexus Consultants (08/2010 – 11/2018) Director Managed a Data Science consulting practice, focusing on exploratory analysis, predictive modeling, marketing analysis, and, data quality across verticals. Industries consulted for include Telecom, Health Care, Financial/Insurance, and Waste Management. Created customer segmentation models using clustering techniques for a Malaysian Telecom company. Identified customer segments for marketing campaigns. Developed predictive models using Machine Learning techniques for a Hotel chain to monitor the performance of room rate packages. Developed patient-centric reports and financial KPIs for a Health Services company. Built an Incident-Probability statistical model for an Insurance company using Machine Learning and Logistic Regression. Created an intelligent recommendation system for a Telecom company customer portal. The engine recommended relevant products to individual customers based on user characteristics and actions. Designed Customer Experience Management (CEM) strategy for a Telecom company. Built and implemented analytical processes (clusters, retention models) to support the strategy. Developed an ETL framework with SAS DI for financial planning for a Health Care company. Designed a BI system for a Financial Services company. The system included static reports and dashboards accessible on the company intranet portal.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Multivariate Statistics
    Data Segmentation
    Predictive Analytics
    Technical Writing
    Data Extraction
    Statistical Analysis
    Business Proposal Writing
    Data Science
    Data Mining
    Logistic Regression
    SAS
  • $110 hourly
    Ahmed Sherif has a great mix of Data Science and Engineering skills. He spends his time building and deploying cool ML and deep learning applications to the cloud. He has programming knowledge in Python, R and SQL, which he uses in conjunction with Spark to build out data and ML pipelines. He has additional programming knowledge in JavaScript, HTML, CSS, and D3.js to deploy web based visualizations. In 2016, Ahmed published his first book, 'Practical Business Intelligence'. It is a journey in developing BI solutions with open source software to help companies gain a competitive advantage. In 2018, he published his second book, Apache Spark Deep Learning Cookbook.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    GitHub
    Amazon Web Services
    DevOps
    Microsoft Azure
    ETL
    Predictive Analytics
    SciPy
    pandas
    Machine Learning
    Keras
    PyTorch
    Azure Machine Learning
    Deep Learning
  • $50 hourly
    Passionate about Graph databases and I have been working in Neo4J and OrientDB Graphs since 2015 and have delivered many projects including social networks as well as Medical Knowledge Graphs related to Neurological Networks. Have good expertise in Graph Data Modeling, Query tuning, Ontology. Worked as Solution Architect and a full stack web developer for over a decade with strong expertise in PHP, MYSQL, Javascript, XHTML, CSS. Frameworks, Libraries & APIs : Laravel, Phalcon, CakePHP, Yii, Angular, JQuery, Bootstrap, Structr, Magento, Wordpress, Joomla, Actionscript, Aweber, Gmaps V3, REST, OAuth Cloud & Deployment: Amazon AWS, EC2, S3, RDS, Docker, Git, Composer Basic working knowledge of: ArangoDB, TigerGraph, Golang, Blockchain, Solidity, Smart Contracts
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    NodeJS Framework
    Data Modeling
    Magento
    Golang
    CSS 3
    HTML5
    Web Development
    Database Modeling
    Graph Database
    NoSQL Database
    PHP
    Laravel
    OrientDB
    Python
    MySQL
  • $30 hourly
    My primary interest is working with data and building solutions to complex data problems. I can help with Data wrangling and modeling. I can help Perform custom ETL jobs and build data pipelines via Pyspark, AWS Glue, etc. With my rich data visualization and dashboarding experience, I can help develop insightful dashboards with robust KPI metrics, which are critical to business decision-making using R-shiny, Tableau, and PowerBI. In addition, I can help with related statistical tasks using Excel and R. I can help with building complex optimization models that help address various logistics and scheduling problems.
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Data Modeling
    Dashboard
    A/B Testing
    Data Analysis
    Microsoft Power BI
    RStudio
    Data Visualization
    Microsoft Excel
    Big Data
    SQL
    Tableau
    Mathematics
    Linear Regression
    Python
  • $75 hourly
    ⭐⭐⭐ Expert-Vetted, top-1% talent on Upwork ⭐⭐⭐ Are you struggling to develop or optimize your R Shiny applications? If yes, then you are at the right place. As an experienced R Shiny developer and bioinformatician, I can help you develop, audit, or optimize your R/Shiny applications. With my expertise in UI/UX development and data science, I can provide custom solutions that are both functional and visually appealing. WHY ME ----- ✅ Over 12 years of programming experience in R and 8+ years of experience developing Shiny applications ✅ PhD in Plant Biology from UT Austin and over 6 years of postdoctoral research experience. ✅ Advanced and rapid developer of Shiny applications, with a flexible and adaptable approach that allows me to handle steep learning curves with reasonable time frames. ✅ My background in biology and bioinformatics, and the domain-specific knowledge necessary to develop software solutions will help to meet your specific business needs. WHAT I OFFER ----- ✅ R Shiny application development, audit, or optimization (base Shiny, Golem, or Rhino) ✅ R package development, audit, or optimization ✅ Plumber API development ✅ Bioinformatics pipeline development (Docker-based systems for deployment to AWS or GCP) ⭐ I am committed to going above and beyond for my clients and always strive to deliver high-quality projects on time and within budget. Have questions? I’m just a message away from you! 🤝
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    Statistical Analysis
    R
    SQL
    Machine Learning
    Git
    Microsoft Excel
    Big Data
    Data Mining
    R Shiny
    Data Science
    Docker
    Data Visualization
    Data Analysis
    Dashboard
    Bioinformatics
  • $30 hourly
    Seasoned data engineer with over 11 years of experience in building sophisticated and reliable ETL applications using Big Data and cloud stacks (Azure and AWS). TOP RATED PLUS . Collaborated with over 20 clients, accumulating more than 2000 hours on Upwork. 🏆 Expert in creating robust, scalable and cost-effective solutions using Big Data technologies for past 9 years. 🏆 The main areas of expertise are: 📍 Big data - Apache Spark, Spark Streaming, Hadoop, Kafka, Kafka Streams, HDFS, Hive, Solr, Airflow, Sqoop, NiFi, Flink 📍 AWS Cloud Services - AWS S3, AWS EC2, AWS Glue, AWS RedShift, AWS SQS, AWS RDS, AWS EMR 📍 Azure Cloud Services - Azure Data Factory, Azure Databricks, Azure HDInsights, Azure SQL 📍 Google Cloud Services - GCP DataProc 📍 Search Engine - Apache Solr 📍 NoSQL - HBase, Cassandra, MongoDB 📍 Platform - Data Warehousing, Data lake 📍 Visualization - Power BI 📍 Distributions - Cloudera 📍 DevOps - Jenkins 📍 Accelerators - Data Quality, Data Curation, Data Catalog
    vsuc_fltilesrefresh_TrophyIcon Certified AWS Big Data Engineers
    SQL
    AWS Glue
    PySpark
    Apache Cassandra
    ETL Pipeline
    Apache Hive
    Apache NiFi
    Apache Kafka
    Big Data
    Apache Hadoop
    Scala
    Apache Spark
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