As a highly skilled and accomplished freelance Data Scientist and Data Engineer, I possess a Master's degree in Data Science with a specialization in Artificial Intelligence. My expertise lies in converting intricate data into actionable insights that drive impactful decision-making. With proficiency in Python, PySpark, Google Cloud, Azure, and more, I am well-versed in leveraging these tools to craft and deploy scalable machine learning models while establishing robust data infrastructures. My impressive track record speaks for itself. I have successfully scaled machine learning infrastructure to cater to 100,000+ customers, implementing over 100 parallel cost prediction models. Furthermore, I have excelled in developing high-capacity solutions for data inferencing, resulting in substantial cost savings through infrastructure optimization and cloud computing efficiency. Navigating complex backend migrations seamlessly, I have significantly enhanced data management and system efficiency. By collaborating closely with Data Engineers and DevOps professionals, I have deployed production models and generated pivotal insights, fostering a collaborative environment where synergies thrive. Combining a strong academic foundation in Artificial Intelligence with extensive practical experience, I play a pivotal role in supporting decision-making processes and contributing to clients' strategic objectives. With a meticulous eye for detail and an unwavering commitment to excellence, I take pride in delivering error-free work. Recognizing the critical role of accurate and high-quality data in driving informed decisions, I ensure each project receives my utmost dedication and expertise. As a freelance professional, I am driven by a passion to provide exceptional results every time. With an unwavering focus on excellence, I bring a wealth of skills and experiences to the table, elevating each project to new heights.

I am a data engineer expert with over than 5 years experience in data ingestion, integration and manipulation. Till date, I have done many projects in data engineering and big data. I worked on business analytics and telco analytics, i used multy data platforms and framework such as Cloudera data platform, Nifi, R studio, Spark, Hadoop, Kafka ... If this is what you want, then get in touch with me

I focus on data engineering, software engineering, ETL/ELT, SQL reporting, high-volume data flows, and development of robust APIs using Java and Scala. I prioritize three key elements: reliability, efficiency, and simplicity. I hold a Bachelor's degree in Information Systems from Pontifícia Universidade Católica do Rio Grande do Sul as well as graduate degrees in Software Engineering from Infnet/FGV and Data Science (Big Data) from IGTI. In addition to my academic qualifications I have acquired a set of certifications: - Databricks Certified Data Engineer Professional - AWS Certified Solutions Architect – Associate - Databricks Certified Associate Developer for Apache Spark 3.0 - AWS Certified Cloud Practitioner - Databricks Certified Data Engineer Associate - Academy Accreditation - Databricks Lakehouse Fundamentals - Microsoft Certified: Azure Data Engineer Associate - Microsoft Certified: DP-200 Implementing an Azure Data Solution - Microsoft Certified: DP-201 Designing an Azure Data Solution - Microsoft Certified: Azure Data Fundamentals - Microsoft Certified: Azure Fundamentals - Cloudera CCA Spark and Hadoop Developer - Oracle Certified Professional, Java SE 6 Programmer My professional journey has been marked by a deep involvement in the world of Big Data solutions. I've fine-tuned my skills with Apache Spark, Apache Flink, Hadoop, and a range of associated technologies such as HBase, Cassandra, MongoDB, Ignite, MapReduce, Apache Pig, Apache Crunch and RHadoop. Initially, I worked extensively with on-premise environments but over the past five years my focus has shifted predominantly to cloud based platforms. I've dedicated over two years to mastering Azure and I’m currently immersed in AWS. I have a great experience with Linux environments as well as strong knowledge in programming languages like Scala (8+ years) and Java (15+ years). In my earlier career phases, I had experience working with Java web applications and Java EE applications, primarily leveraging the WebLogic application server and databases like SQL Server, MySQL, and Oracle.

✅Data Engineer | Big Data Analytics and Developer | Azure Cloud | AWS Cloud ✅ 5+ years of experience ✅Get your urgent tasks done within 24 hours I am a Data Engineer with a passion for using data to drive insights and empower businesses. I have over 5 years of experience in the field, and I am proficient in a variety of technologies, including Python, Scala, Hadoop, Apache Spark, Hive, SQL, NoSQL, Azure, and Databricks. Throughout my career, I have successfully designed and developed data models, data lakes, and data pipelines, enabling organizations to extract valuable insights from large datasets. I have a proven track record of working with diverse data sources, both structured and unstructured, and have expertise in ETL processes, data transformation, and data analysis. In my previous roles, I have contributed to a range of projects, including building and scaling data products for the Pharmaceutical Life Science Industry and implementing data solutions for clients in the banking sector. My technical proficiency, combined with my problem-solving skills, has enabled me to deliver impactful solutions that address complex business challenges I am a team player who thrives in collaborative environments. I believe in the importance of effective communication and collaboration to deliver high-quality results. I am also a quick learner who is always eager to stay up-to-date on the latest advancements in the field of Data Engineering. I am confident that I can use my skills and experience to make a significant contribution to your team. If you are seeking a Data Engineer who is passionate about data, I would be honored to discuss potential opportunities with you. If you are seeking a dedicated Data Engineer who can bring a wealth of knowledge and expertise to your team, I would be thrilled to connect and explore potential opportunities. Please feel free to reach out to me via email at maadsaifuddin51@gmail.com or connect with me on LinkedIn. Thank you for visiting my profile, and I look forward to connecting with professionals who share a passion for data-driven decision-making and innovation. --------------------------------------- Skills -------------------------------------------------- Programming Language: Python, Scala Big Data Technologies: Apache Hadoop, Apache Spark, Pyspark, Apache Hive, Big query Database: SQL, MySQL, SQL Server, Oracle, PostgreSQL. Data warehouse: Snowflake, Teradata, AWS Redshift, Azure Synapse Analytics. NoSQL: HBase, Cassandra, Mongodb Cloud: Azure Data engineering, Azure Data bricks, Azure Gen 2, AWS, AWS lambda, AWS Athena, AWS glue, AWS Redshift, AWS EMR, AWS S3, Azure ADF, Delta engine, lakehouse. Business Intelligence: Power BI, SSRS, etc. Expertise in: Data Extraction & scraping, Data Modeling, Data warehouse, Data lakehouse development, Data pipeline, ETL/ELT, Analytics, Data development, data-intensive product, SQL Server, data integration with different sources, AWS boto3.

5+ years of experience in Big Dat Technologies like Spark, Hadoop, Hive, Sqoop, ADF, Databricks. 5+ years of experience in ELK Stack( Elasticsearch, Logstash and Kibana). Microsoft Azure Certified Data Engineer. Elasticsearch and Kibana Certified. MongoDB Certified Developer.

✮✮✮✮✮ Upwork's TOP Rated Plus Expert ✮✮✮✮✮ ✮✮✮✮✮ 5 Star Reviews✮✮✮✮✮ ✅ 5+ years of Research Experience ✅ 3+ years of Industry Experience ✅ 2+ years of Teaching Experience Hi, I am Dr. Jenish Dhanani, Ph.D. in Computer Science and Engineering. I have good experience in the Prompts Engineering of GPT-3, GPT-J (and Other GPTs), and the Jurasic-jumbo model which I believe is the crucial part in domain-specific or Special Applications. I have previously developed GPT-3 based Textual entity extraction, Article, Paraphraser, essay writing, summarizer, etc. by Prompt Engineering. I am an expert in Artificial Intelligence (AI) and a Big Data enthusiast, Practicing AI, Machine Learning, Data Mining, GPT-3/4, Natural Language Processing (NLP), and Big Data ( i.e., MapReduce and Spark) tools to solve potential and real-life problems. I have great experience with Web Application Development using Python, Django, Flask, and many other web development technologies. ➤ Key Skills:- =========== ✔ Python, Django, Flask, DRF, Selenium, MongoDB, MySQL, Postgres, etc. ✔ PyTorch, Keras, TensorFlow, TensorBoard, Jupyter, R ✔ NLP, Text Mining and Analytics, Text Embedding ✔ TF-IDF, LSA, LDA, Word2Vec, Doc2Vec, BERT, FastText, Glove, etc. ✔ Machine Learning and Deep Learning ✔ Neural Network, Deep Neural Network, Support Vector Machine, Random Forest, Decision Tree, etc. ✔ Computer Vision and Image Processing ✔ Hadoop, Spark, MapReduce, Incremental MapReduce ✔ Community Detection: CDLib (Louvain, SLPA) ✔ Scikit-Learn and SparkMLLib ✔ Paperspace ⦿ I have extensive experience in developing projects for Classification, Clustering, NLP techniques, Text Summarization, Topic modeling, Sentiment Analysis, Recommendation Systems, etc, considering Traditional and Advanced Machine learning and Deep learning techniques. ⦿ Also, I hold good expertise to scale and design distributed solutions considering distributed platforms like MapReduce and Spark. ⦿ I have published 17+ research articles in the field of AI, ML, Text analytics, and Big Data in reputed international conferences and journals. ⦿ It did automatic Sentiment Analysis of Amazon Product Reviews, Legal Document Recommendation systems, considering Distributed framework and Text embedding approaches that were proposed, developed, and implemented. ⦿ I have also delivered expert lectures and Hands-On sessions on various topics such as Big Stream Data mining, Hadoop, Pig, Hive, Flume, Hadoop and MapReduce programming, and Sentiment Analysis. ⦿ Also, I am a scientific research professional. I always love to build long-term relationships with clients. I will be very punctual, so will keep deadlines and deliver good results. I am looking forward to hearing from you. Best regards. Dr. Jenish Dhanani

✓ Technology executive specializing in architecting and implementing highly scalable solutions to drive brand awareness, increase revenues, optimize productivity and improve margins. ✓ Overseeing the data, security, maintenance, and network for a company. ✓ Implementing the businesses’ technical strategy and managing the overall technology roadmap of the business. ✓ involved with talent acquisition and its onboarding, training, and management of Project Manager, product Manager, Developers, Devops, Designers. ✓ Setting the technical strategy for the company to enable it to achieve its goals. ✓ Seeking out the current and future technology that will drive the company’s success. ✓ Focus on strategic alignment of technology goals to organizational vision. ✓ Passionately committed to technology team development, empowering people to accomplish their goals and coaching them realize their individual potential. ✓ Proven track-record of success in technology product development, cloud infrastructure,Building Data Platforms, ETL Pipelines, Streaming Pipelines ,e-commerce, CRM ,mobile strategy, and social media integration. I am working from last 8 years with Apache Spark, Lucene, ElasticSeach/Kibana, Amazon EC2.RDBM's(SQL, MySQL, Aurora, PSQL, Oracle), NoSQL engines (Hadoop/HBase, Cassandra,DynamoDB, MongoDB),GraphDB(Neo4j, Neptune) in-memory databases (Hazelcast, GridGain), Apache Spark/MLib, Weka, Kafka, clustered file systems, general-purpose computing on GPU. Deploying the ML DL Models on GPU Instances(Nvidia). Have a great experience in query optimization, application profiling, and troubleshooting. My area of expertise includes: - Python script - Jira,Trello,Azure DevOps - Web scraping - AWS(Redshift, Glue, ECS, EC2, EMR, Kinesis, S3, RDS, VPC, IAM,DMS) - GCP(Big Query, DataFlow, SnowFlow) - Microsoft Azure - Hadoop Big Data - Elasticsearch/Kibana/Logtash(ELK) - Hadoop setup on standalone, Cloudera, and HortonWorks. - SQL like MySQL PostgreSQL - NoSql Database like Hbase and MongoDB - Machine learning - Deep Learning - Spark with Mlib,GraphX - Sphinx - Memcache - MS BI/Tableau/GDS

As a Senior Data Engineer with 8+ years of extensive experience in the Data Engineering with Python ,Spark, Databricks, ETL Pipelines, Azure and AWS services, develop PySpark scripts and store data in ADLS using Azure Databricks. Additionally, I have created data pipelines for reading streaming data from MongoDB and developed Neo4j graphs based on stream-based data. I am well-versed in designing and modeling databases using Neo4j and MongoDB. I am seeking a challenging opportunity in a dynamic organization that can enhance my personal and professional growth while enabling me to make valuable contributions towards achieving the company's objectives. • Utilizing Azure Databricks to develop PySpark scripts and store data in ADLS. • Developing producers and consumers for stream-based data using Azure Event Hub. • Designing and modeling databases using Neo4j and MongoDB. • Creating data pipelines for reading streaming data from MongoDB. • Creating Neo4j graphs based on stream-based data. • Visualizing data for supply-demand analysis using Power BI. • Developing data pipelines on Azure to integrate Spark notebooks. • Developing ADF pipelines for a multi-environment and multi-tenant application. • Utilizing ADLS and Blob storage to store and retrieve data. • Proficient in Spark, HDFS, Hive, Python, PySpark, Kafka, SQL, Databricks, and Azure, AWS technologies. • Utilizing AWS EMR clusters to execute Hadoop ecosystems such as HDFS, Spark, and Hive. • Experienced in using AWS DynamoDB for data storage and caching data on Elasticache. • Involved in data migration projects that move data from SQL and Oracle to AWS S3 or Azure storage. • Skilled in designing and deploying dynamically scalable, fault-tolerant, and highly available applications on the AWS cloud. • Executed transformations using Spark, MapReduce, loaded data into HDFS, and utilized Sqoop to extract data from SQL into HDFS. • Proficient in working with Azure Data Factory, Azure Data Lake, Azure Databricks, Python, Spark, and PySpark. • Implemented a cognitive model for telecom data using NLP and Kafka cluster. • Competent in big data processing utilizing Hadoop, MapReduce, and HDFS.

Tawfik delivered a variety of tasks involving ETL and SQL development, with a proactive attitude and good communication skills. Happy working with Tawfik, hope to collaborate in the future. "Client's Feedback" I am Tawfik Yasser, a highly skilled and proactive Big Data Engineer with expertise in ETL and SQL development. With excellent communication skills and a client-oriented approach, I ensure successful collaboration on every project. My clients have expressed satisfaction with my work, and I look forward to future collaborations. 🎓 Academic Background: I hold an M.Sc. in Informatics from Nile University and have a solid foundation in various Big Data technologies, including ETL, Spark, PySpark, Map-Reduce, Kafka, Docker, SQL, Airflow, Data Warehouses, Python, Java, Git, Bash, Talend Open Studio, and Hadoop. ⭐ What I offer for your business ⭐ ✅ Apache Spark & PySpark, Apache Flink expertise. ✅ Proficiency in Apache Hadoop & MapReduce. ✅ Building robust data pipelines. ✅ Data Cleaning and Transformation. ✅ Handling diverse data formats - Excel, JSON, XML, and various DB files. ✅ Creating simple and informative Data Visualizations using Power BI. ✅ Designing and implementing SQL/MySQL databases and database schemas. ✅ Working with Data Warehouses, Data Cubes, Star Schemas, and MDX Queries. ✅ Undertaking programming tasks using Java, and Python, and designing Regular Expressions. 🔑 My Strengths: Based on my previous projects and experiences, I excel in Data Integration, efficiently integrating data from multiple sources and applying optimized ETL processes to deliver swift results. For Databases and SQL, I provide well-architected database solutions to enhance your business growth, along with optimized SQL/MYSQL queries. 🚀 Python & Java: Rest assured, I will deliver clean and effective code to achieve your project goals promptly. 💡 Why Choose Me? I am dedicated to meeting deadlines and adapting to client requirements. Regardless of time differences across countries, you can trust me to complete tasks on time. Building long-term client relationships is my mission, and I strive to make each project special by delivering the best solutions possible. 🔍 Check My Upwork Profile: Feel free to explore my Upwork profile to review my previously completed projects and read valuable feedback from satisfied clients. Ready to discuss your project? Let's start working together to build powerful data products! Gratefully, Tawfik Yasser - Top-Rated Big Data Engineer [𝙍𝙚𝙢𝙤𝙩𝙚 𝘾𝙤𝙣𝙩𝙧𝙖𝙘𝙩𝙤𝙧]

I'm Fusion Zhu, with over 10 years of experience in Java development, including 5 years focusing on Big Data Processing and Visualisation using Java, Scala, JavaScript, HTML5, Apache Spark, Apache Hadoop, Apache Hive, Apache Flume, Apache Hbase, Storm, Kafka, DataX, and ECharts. Throughout my career: I've assisted employers in data ingestion from various sources such as RDBMS, NoSQL databases, and files by developing utilities on OSS platforms like DataXServer (open-source on GitHub) and Realtime Page Click Statistical System (refer to Portfolio section) as a Big Data Developer. I've played a key role in building Big Data Platforms using technologies like Hadoop, Spark, Hive, HBase, Flink, Kafka, and ElasticSearch as a Big Data Architect. I've designed and developed Web Applications including e-commerce and Report Systems using Java, Scala, HTML5, JavaScript, CSS, Spring, Akka, Mybatis, D3JS, ExtJS, JQuery, ReactJs, ECharts, and Bootstrap CSS as a Java & Front-end Developer. I've managed full-stack teams (Java, Front-end, QA, and Operation) effectively as a Team Leader. Furthermore, I possess extensive skills and experience in Microservice design & architecture, Container Cloud (Docker, Kubernetes), Rust, and Linux. If you're seeking a reputable and reliable professional who consistently delivers results, I'm the one you're looking for. Thank you for visiting my profile, and I look forward to hearing from you!