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Rating is 4.8 out of 5.
4.8/5
based on 775 client reviews
  • $35 hourly
    • 5.0/5
    • (32 jobs)
    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, Trino, 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
    Featured Skill Apache Flink Developers
    SQL
    AWS Glue
    PySpark
    Apache Cassandra
    ETL Pipeline
    Apache Hive
    Apache NiFi
    Apache Kafka
    Big Data
    Apache Hadoop
    Scala
    Apache Spark
  • $30 hourly
    • 5.0/5
    • (3 jobs)
    Big Data/Data engineer, with almost 4 years of experience using AWS or GCP cloud ✅ Building Data Lakes and Data Warehouses using AWS/GCP cloud infrastructure ✅ 💯 Certified AWS Developer 💯 ✅ Building complex analytical queries using cloud engines ✅ Data ingestion from various sources: RDBMS, API, SFTP, S3, GCS Open-minded software engineer, eager to work with complex distributed systems and components. Capable to build back-end solutions. Strong in design and integration of problem-solving skills. Skilled in Python, AWS, GCP, Apache Airflow, Apache Spark, and Apache Kafka with database analysis and design. Have a good experience with the Odoo ERP framework. Capable of creative thinking, highly disciplined, punctual, demanding, good team player. Strong written and verbal communications. 𝛑 Finished my Master's degree in Applied Math in 2020 at Lviv Polytechnic National University. ⚡⚡⚡ Worked for such big clients as Dyson, Syngenta, and Deloitte. Helping them with the digital transformation of their business. Constructing centralized data storage for them in most cases. As well as providing support and improvements to existing solutions. Here is what one of my clients said about me(you can check it on my LinkedIn profile): 💥"Yurii is a highly skilled and capable software engineer working in the Big Data space. He worked on a large data lake platform in the AWS Cloud environment, for which I was the project manager. He was consistently responsive and skillful and came through with timely deliveries when needed. Yurii is a pleasure to work with, due to his technical mastery coupled with strong interpersonal skills. I highly recommend working with him, and will seek him out for future engagements. "💥
    Featured Skill Apache Flink Developers
    Apache Airflow
    SQL Programming
    Apache Spark
    dbt
    Amazon Athena
    Data Warehousing
    Google Dataflow
    AWS Glue
    AWS Lambda
    Snowflake
    Python
    BigQuery
  • $60 hourly
    • 5.0/5
    • (15 jobs)
    Senior data engineer with product analytics and data science background, having worked with Fortune 500 companies (Procter & Gamble, Merck, Anheuser-Busch), as well as top-notch data-driven startups. Skilled in translating complex business problems into data solutions, designing data pipelines, providing high-quality data for data-driven insights and decision-making, as well as building KPIs, conducting statistical analyses, and creating impactful visualizations. Problems I'm good at solving: • Data Warehousing and Analytics • ETL / ELT data pipelines • SQL query tuning • Data Modeling and Database Design • Reporting • Data Analysis • Data Cleaning, Pre-Processing • Data Visualization • NLP problems I have a bachelor's in engineering from the top LATAM university (Universidade de São Paulo) with a track record of supporting organizations across various industries, including remote hiring, real estate, and consumer goods. Skills and Expertise ✅ SQL ✅ Python Databases ✅ Snowflake ✅ Redshift ✅ BigQuery ✅ Athena ✅ Trino ✅ Postgres ✅ MySQL Big Data Cloud Technologies ✅ Amazon Web Services – AWS Certified (Redshift, Athena, S3, Lambda, Glue ...) ✅ Google Cloud Platform Other Data Engineering Tools ✅ dbt ✅ Airflow ✅ Fivetran ✅ Git, Gitlab, and Github ✅ Rundeck ✅ Docker Data Visualization ✅ Looker (LookML Expert) ✅ PowerBI ✅ Metabase ✅ Looker Studio (Data Studio) Data Science and Machine Learning ✅ Sci-kit learn, pandas, etc ✅ NLP analysis ✅ Spark ✅ Databricks ✅ Hex ✅ Jupyter Notebooks User Behavioral Analytics ✅ Snowplow ✅ Indicative ✅ Heap ✅ Amplitude ✅ Google Analytics
    Featured Skill Apache Flink Developers
    Snowflake
    dbt
    Amazon Redshift
    BigQuery
    ETL Pipeline
    Looker
    Data Analysis
    Data Modeling
    Data Visualization
    Business Intelligence
    Data Warehousing
    Apache Spark
    Machine Learning
    Python
    SQL
  • $40 hourly
    • 5.0/5
    • (12 jobs)
    Passionate Software Engineer and AI Practitioner with a strong background in full-stack development, data engineering, and applied machine learning. I specialize in designing reliable, scalable systems and turning abstract ideas into real, high-impact solutions. -Tech Stack: Python, JS/TS, Laravel, Odoo, MongoDB, MySQL -Focus Areas: Data Science · LLM Evaluation, AI Integration, System Architecture
    Featured Skill Apache Flink Developers
    Apache Spark
    Cloudera
    CakePHP
    Apache HBase
    Apache Hadoop
    Laravel
    Python
    PHP
    MongoDB
    JavaScript
  • $30 hourly
    • 4.8/5
    • (7 jobs)
    I'm a skilled backend developer with a passion for building innovative software solutions. With more than 8 years of experience in the field, I've honed my skills in analyzing user requirements, designing software, developing and maintaining enterprise and web applications. My expertise mostly in Java, Spring, Spring Boot, J2EE, Javascript along with my experience with REST APIs, Microservices, SOA, allows me to develop both custom and standard solutions that are tailored to your unique needs. I'm also experienced in working with various databases, messaging systems, and monitoring tools, ensuring that your applications are reliable and high-performing. My current skill set includes, but is not limited to: ● Java, Kotlin, JavaScript, HTML, SQL ● Spring, Spring Boot, J2EE and MuleESB ● Microservices and distributed systems ● REST APIs, SOAP, WSDL and JAX-RS ● MySQL, Posgres, OracleDB and MongoDB ● TDD, JUnit, Mockito, Spock and Groovy, JMeter, SOAP UI and Postman ● Docker and Kubernetes ● GCP, Azure and AWS ● Redis, Kafka, MQ, WebFlux ● CI/CD, Jenkins ● Self-driven and a team-player with good communication skills
    Featured Skill Apache Flink Developers
    Web Services Development
    Apache Kafka
    Google Cloud Platform
    Apache Maven
    MongoDB
    PostgreSQL
    Kotlin
    Java
    Redis
    MySQL
    Spring Boot
    Kubernetes
    Docker
    RESTful Architecture
    Database
  • $50 hourly
    • 4.9/5
    • (14 jobs)
    I'm a full-stack web developer I have a very good Knowledge of both Front-End and Back-end development. I have very large experience in web application with a specialty in building highly scalable web applications, large baseness applications ERP - SAAS and GIS applications based on open source libraries like Openlayer and Cesium also working with Esri and arc server. +10 years of experience in web development. My experiences - PHP / Laravel / CakePHP - Python / Django - React - CesiumJS - PostgreSQL/PostGIS - MySQL - GeoServer - Leaflet - Mapbox GL - OpenLayers - GDAL/OGR - JOSM, iD - imposm3, osm2pgsql - Mapnik
    Featured Skill Apache Flink Developers
    Map Integration
    PostGIS
    GIS
    Cesium
    Web Application
    Laravel
    React
    HTML
    JavaScript
    Django
    PHP
    Python
    Leaflet
  • $79 hourly
    • 4.6/5
    • (141 jobs)
    💎 Top Rated Plus | 🚀 100% Job Success Score 💪 12+ Years of Experience| 🎯 550+ Successful Projects | 💼 Upwork Skill Certified "My deliverable is not the product/service but your satisfaction with it" Bringing cutting-edge AI and algorithmic trading strategies to life, I am your go-to expert for innovative tech solutions. From GPT-4 and ChatGPT applications to advanced quantitative analysis including Algorithmic Trading and Data Science, reach out to me for unparalleled project advice. With a knack for developing sophisticated algorithms and creating fully automated apps, I specialize in transforming complex problems into elegant, efficient system. My expertise includes: - Creation of robust Algorithmic Trading Systems with seamless broker (Interactive Brokers, Zerodha, MT5, Alpaca and any other) integration - Mastery in AI chatbot development with GPT-4, ChatGPT, and other large language models - Comprehensive model development for Machine Learning and Deep Learning - Streamlined order execution via Telegram and advanced QuantConnect algorithms - In-depth experience with financial modeling and quantitative derivatives valuation
    Featured Skill Apache Flink Developers
    Python Script
    Automation
    Predictive Analytics
    Data Analysis
    Git
    Algorithm Development
    Desktop Application
    Quantitative Research
    Investment Research
    Quantitative Finance
    Statistical Analysis
    Machine Learning
    Python
    Deep Learning
    Data Science
  • $75 hourly
    • 5.0/5
    • (24 jobs)
    A highly skilled and experienced Full Stack Developer with over 10 years of expertise in Python, Flask, FastAPI, Django, Swift, and iOS development. Proven track record in leading development teams and delivering high-quality web and mobile applications. Seeking a long-term opportunity to contribute to the success of projects, utilizing my strong back and front-end development skills to meet client needs. Technical Skills Programming Languages: • Python (Django, Tornado, Flask, FastAPI) • Swift (iOS development) • DHTML (HTML, CSS3, JavaScript) Frontend Technologies: • Vue.js • jQuery Backend Technologies: • FastAPI • Django ORM • Flask • Django REST Framework • SQLAlchemy • AsyncIO Databases: • MySQL • PostgreSQL • MongoDB API & Tools: • IBM Watson Assistant • Google DialogFlow • Stripe Integration and Subscription Flow DevOps: • AWS Infrastructure (EC2, ECS, Lambda) • Google Cloud Platform • AliCloud Other Tools: • Docker • New Relic • uWSGI Experience Team Leader / Full Stack Developer • Led multiple development teams of 3 to 8 developers in various projects. • Developed websites, web services APIs, and mobile applications using Flask, FastAPI, and Django. • Developed data transformation pipelines using Python, Celery and Ray • Worked on face recognition, AR and Natural Language processing technologies • Implemented both back-end and front-end components, enabling efficient team collaboration and task understanding. • Assisted in the development of high-quality applications from scratch to production. • Helped clients build MVPs within a week to validate their ideas. • Provided support and solutions to clients with previously failed applications or those left incomplete by previous developers. Education - Bachelor degree in computer science and economics - Irkutsk state univercity - Graduated at 2012 Availability & Preferences • Flexible working hours • Willing to work closely with teammates or freelancers • Seeking long-term projects and client relationships Please feel free to contact me for further information or to discuss your project requirements.
    Featured Skill Apache Flink Developers
    AWS Lambda
    Django
    API
    API Development
    AWS Fargate
    Stripe
    MySQL Programming
    PostgreSQL Programming
    Flask
    SQL
    iOS Development
    iOS
    Python
    Swift
  • $35 hourly
    • 5.0/5
    • (14 jobs)
    𝐈𝐬 𝐲𝐨𝐮𝐫 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐡𝐨𝐥𝐝𝐢𝐧𝐠 𝐲𝐨𝐮 𝐛𝐚𝐜𝐤 𝐟𝐫𝐨𝐦 𝐬𝐜𝐚𝐥𝐢𝐧𝐠 𝐨𝐫 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐚𝐭 𝐢𝐭𝐬 𝐛𝐞𝐬𝐭? With over 6 years of experience as a Java Developer, I specialize in solving complex technical challenges and transforming ideas into efficient, scalable, and impactful solutions. Whether it’s optimizing your existing systems, building microservices, or leading teams toward exceptional quality, I bring the technical expertise and strategic insight your projects need to succeed. 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: ➡Over 6 years of hands-on experience in software projects development, utilizing Object-Oriented Analysis (OOA), Object-Oriented Design (OOD), and Object-Oriented Programming (OOP) principles. ➡ Proficient in designing and implementing Client-Server and Multi-Tier architectures. ➡ Worked in diverse technological domains such as healthcare, fintech, and cloud computing, showcasing adaptability and versatility. 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 𝗮𝗻𝗱 𝗙𝗼𝗰𝘂𝘀: ➡ Successfully played the role of a tech lead, demonstrating leadership skills in guiding teams towards achieving high development standards. ➡Prioritized and maintained a focus on quality throughout the development lifecycle. ➡Strived for enhanced productivity by implementing efficient development practices. 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 ✅Languages: Java, Java 8, Java 11, Java EE, Java SE, JavaFX, SQL, JSON, XML, YAML. ✅Frameworks: Spring (Spring Boot, Spring MVC, Spring Data, Spring Cloud, Spring Security, Spring AOP, Spring Batch, Spring WebFlux), Quarkus, Hibernate, JPA. ✅Design Paradigms: OOA (Object-Oriented Analysis), OOD (Object-Oriented Design), OOP (Object-Oriented Programming). 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 & 𝐓𝐨𝐨𝐥𝐬 ✅Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB. ✅Cloud Platforms: AWS (EC2, S3, SQS, SNS, Lambda, IAM, CloudFormation), Azure (Virtual Machines, Storage, Functions, App Services), OpenShift. ✅DevOps & CI/CD: Docker, Kubernetes, Helm, Jenkins, Terraform, Maven, Gradle, Git (GitLab, Bitbucket, GitFlow). ✅Messaging & APIs: Kafka, RabbitMQ, REST APIs, SOAP, gRPC, API Gateway, WebSockets. ✅Authentication & Security: OAuth2, JWT. 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐚𝐥 𝐏𝐚𝐭𝐭𝐞𝐫𝐧𝐬 & 𝐃𝐞𝐬𝐢𝐠𝐧 𝐏𝐫𝐢𝐧𝐜𝐢𝐩𝐥𝐞𝐬 ✅Architectures: Microservices, Monolithic architecture, SOA (Service-Oriented Architecture), Event-driven architecture. ✅Design Patterns: CQRS, Saga pattern, Circuit breakers, Service discovery, Distributed systems, Distributed tracing. ✅Principles: SOLID principles, Clean code. 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 & 𝐌𝐞𝐭𝐡𝐨𝐝𝐨𝐥𝐨𝐠𝐢𝐞𝐬 ✅Testing: Unit testing, Integration testing, JUnit, Mockito, TestNG. ✅Development Methodologies: TDD (Test-Driven Development), BDD (Behavior-Driven Development), Agile (Scrum, Kanban). ✅Version Control: Git, GitLab, Bitbucket. 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 Performance optimization, Code refactoring, Code reviews, Database query optimization. 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐀𝐜𝐭𝐢𝐯𝐢𝐭𝐲 Backend development, Web development, Full-stack development, API development, Cloud engineering, Data engineering. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 Financial services, healthcare, e-commerce, enterprise applications, cloud computing, telecommunications, logistics, travel and hospitality, media and entertainment, automotive, blockchain, IoT, Saas, retail.. 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬 & 𝐑𝐨𝐥𝐞𝐬 Backend developer, Java developer, Senior Java developer, API developer, Full-stack developer, Android developer, Java networking expert. 𝐓𝐲𝐩𝐞𝐬 𝐨𝐟 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 Java development services, Backend development, API integration, Cloud computing services, Performance tuning, Code audits and reviews, SaaS application development. Are you prepared to elevate your software to new heights? Let's discuss how I can infuse strategic innovation and technical excellence into your projects. 16/12
    Featured Skill Apache Flink Developers
    REST API
    Kotlin
    Hibernate
    JavaFX
    Spring Framework
    Microsoft Azure
    Amazon Web Services
    Docker
    PostgreSQL
    RESTful API
    MySQL
    Spring Boot
    Back-End Development
    Software Development
    Java
  • $120 hourly
    • 5.0/5
    • (40 jobs)
    ✅ 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.
    Featured Skill Apache Flink Developers
    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
  • $50 hourly
    • 4.6/5
    • (62 jobs)
    DataOps Leader with 20+ Years of Experience in Software Development and IT Expertise in a Wide Range of Cutting-Edge Technologies * Databases: NoSQL, SQL Server, SSIS, Cassandra, Spark, Hadoop, PostgreSQL, Postgis, MySQL, GIS Percona, Tokudb, HandlerSockets (nosql), CRATE, RedShift, Riak, Hive, Sqoop * Search Engines: Sphinx, Solr, Elastic Search, AWS cloud search * In-Memory Computing: Redis, memcached * Analytics: ETL, Analytic data from few millions to billions of rows and analytics on it, Sentiment analysis, Google BigQuery, Apache Zeppelin, Splunk, Trifacta Wrangler, Tableau * Languages & Scripting: Python, php, shell scripts, Scala, bootstrap, C, C++, Java, Nodejs, DotNet * Servers: Apache, Nginx, CentOS, Ubuntu, Windows, distributed data, EC2, RDS, and Linux systems Proven Track Record of Success in Leading IT Initiatives and Delivering Solutions * Full lifecycle project management experience * Hands-on experience in leading all stages of system development * Ability to coordinate and direct all phases of project-based efforts * Proven ability to manage, motivate, and lead project teams Ready to Take on the Challenge of DataOps I am a highly motivated and results-oriented IT Specialist with a proven track record of success in leading IT initiatives and delivering solutions. I am confident that my skills and experience would be a valuable asset to any team looking to implement DataOps practices. I am excited about the opportunity to use my skills and experience to help organizations of all sizes achieve their data goals.
    Featured Skill Apache Flink Developers
    Python
    Scala
    ETL Pipeline
    Data Modeling
    NoSQL Database
    BigQuery
    Apache Spark
    Sphinx
    Linux System Administration
    Amazon Redshift
    PostgreSQL
    ETL
    MySQL
    Database Optimization
    Apache Cassandra
  • $85 hourly
    • 5.0/5
    • (31 jobs)
    I'm a highly enthusiastic and dedicated Data Scientist with task-based experience in Data Science, Machine Learning, Deep Learning, Big Data Analytics and Software Development. I've completed my bachelor's degree in computer science. Currently, I'm doing master's in data science and my research focused area is Machine Learning, Computer Vision and Big Data Analytics. ✅ My services: 👉 Data Engineering ➼ Data Scraping ◉ Text Mining ◉ Data Labelling ◉ Data Cleaning ◉ Data Extraction, Transformation and Loading (ETL) ◉ Data Analysis ◉ Data Visualization 👉 Computer Vision / Deep Learning ➼ Image Classification ◉ Image Captioning ◉ Image Stitching ◉ Image Super-Resolution ◉ Face Super-Resolution ◉ Art Generation ◉ Style Transfer ◉ Avatar Generation ◉ Instance Segmentation ◉ Semantic segmentation ◉ Video Activity Recognition ◉ Object Detection ◉ Face Recognition ◉ Emotion Detection ◉ GANs ◉ CNN. 👉 Natural Language Processing ➼ Sentiment Analysis ◉ Language Translations ◉ Text Clustering ◉ Automatic Image Captioning ◉ Topic Modelling 👉 Big Data Analytics ➼ PySpark ◉ Data Bricks ◉ Azure Synapse Analytics ✅ Machine Learning Algorithms: ➼ Linear/Logistic Regression ➼ K-Nearest Neighbours (kNN) ◉ Decision Trees ◉ Support Vector Machine (SVM) ➼ Ensemble methods (Random Forest, XGBoost, etc) ➼ Neural Network ◉ Convolution Neural Network ◉ Recurrent Neural Network ◉ LSTM ◉ GRU ➼ Transformers ◉ Vision Transformer ◉ BERT ✅ Tools: 👉 Programming Languages ➼ Python ◉ PHP 👉 Frameworks ➼ Matplotlib ◉ Seaborn ◉ Pandas ◉ Numpy ➼ SpaCy ◉ Gensim ◉ HuggingFaces ◉ NLTK ➼ Pytorch ◉ Scikit-Learn ◉ Tensorflow ◉ Keras 👉 Databases ➼ SQL ◉ NOSQL ◉ Oracle ◉ PostgreSQL ◉ Apache Cassandra 👉 Code Management ➼ git - version control ◉ GitHub | Jira
    Featured Skill Apache Flink Developers
    AI Content Creation
    Document Format
    Document Automation
    OCR Algorithm
    Generative AI
    Prompt Engineering
    ChatGPT
    Machine Learning
    Deep Learning
    Natural Language Processing
    PyTorch
    Amazon SageMaker
    Computer Vision
    TensorFlow
    Python
  • $75 hourly
    • 5.0/5
    • (5 jobs)
    Tool-oriented data science professional with extensive experience supporting multiple clients in Hadoop and Kubernetes environments, deployed with Cloudera Hadoop on-premise and Databricks in AWS. My passion is client adoption and success, with a focus on usability. With my computer science and applied math background, I have been able to fill the gap between platform engineers and users, continuously pushing for product enhancements. As a result, I have continued to create innovative solutions for clients in an environment where use-cases continue to evolve every day. I find fulfillment in being able to drive the direction of a solution in a way that allows both client and support teams to have open lanes of communication, creating success and growth. I enjoy working in a diverse environment that pushes me to learn new things. I'm interested in working on emerging solutions as data science continues to evolve.
    Featured Skill Apache Flink Developers
    R
    Serverless Stack
    React
    Apache Hadoop
    Java
    Cloudera
    AWS Lambda
    Apache Impala
    R Hadoop
    Bash Programming
    PostgreSQL
    Apache Spark
    Python
    AWS Development
    Apache Hive
  • $175 hourly
    • 4.8/5
    • (26 jobs)
    I am an expert in solving complex engineering problems using open-source technologies on the cloud. I am an advocate for infrastructure as code, containerization, API microservices, continuous integration and deployment, and proper use of version control systems. I can quickly analyze high-level system architectures, as well as deep dive into the actual code. My preferred languages are Python, Java, SQL, Javascript, and Bash, but I also have industry experience working with C, C++, C#, Objective-C, Ruby, Scala, Kotlin, R, Matlab, and more. Given my past employment history, I have developed particular expertise in patent analytics, time series analytics, AWS and GCP ecosystems, Kubernetes, and big data processing with Apache Spark. I am extremely excited and passionate about working with startups and founders to solve difficult problems that deliver value to the market.
    Featured Skill Apache Flink Developers
    Data Scraping
    Microsoft Azure
    DevOps
    Jenkins
    Classification
    PyTorch
    GitHub
    TensorFlow
    Kubernetes
    Amazon Web Services
    Google Cloud Platform
    Machine Learning
    CI/CD
    Python
    Apache Spark
  • $35 hourly
    • 5.0/5
    • (63 jobs)
    Unlock Data-Driven Insights and Scalable Solutions for Your Business 🚀 As a Top Rated Plus freelancer with a track record of delivering over 100 data-rich dashboards and business solutions, I bring a wealth of experience in data engineering, cloud architecture, and data visualization. My work has enabled businesses to streamline operations, drive revenue, and make data-backed decisions. With certifications across AWS, Azure, Databricks, and Terraform, I am committed to helping organizations achieve their technical and business goals. 🌟 What I Can Do for You: 📊 Interactive Dashboards & Data Visualization I specialize in building real-time, interactive dashboards using Apache Superset, Metabase, and Redash, translating complex data into intuitive visuals that drive decision-making. ⚙️ Cloud Solutions & Infrastructure As an AWS Certified Solutions Architect, I design and implement secure, scalable cloud architectures on AWS, Azure, and other cloud platforms, ensuring cost efficiency and high availability. 💾 Data Engineering & Big Data Processing With expertise in Python, SQL, PostgreSQL, MySQL, and PySpark, I manage and process large datasets, delivering high-quality insights through efficient data pipelines. 🛠 DevOps & Automation I implement DevOps best practices, including CI/CD pipelines, using tools like GitLab, Terraform, and Azure, to streamline deployment processes and ensure smooth project execution. 📚 Professional Report Creation I develop comprehensive business, operational, and marketing reports using data from multiple sources, offering deep insights to guide your strategic decisions. 🔐 Security and Compliance With a focus on best practices in security and governance, I ensure all solutions meet regulatory requirements while protecting your business data. 🏅 Certifications That Back My Expertise: AWS Certified Solutions Architect – Associate Microsoft Certified: Azure Data Engineer Associate HashiCorp Certified: Terraform Associate (003) Databricks Certified Data Engineer Associate Upwork Skill Certification: Python Development & Back-End Development 🛠 Technical Skills: 1. Cloud Platforms: AWS, Microsoft Azure, Databricks 2. Languages: Python, SQL, PySpark, Node.js 3. Data Tools: PostgreSQL, MySQL, Apache Superset, Metabase 4. DevOps Tools: GitLab, Terraform, CI/CD 5. APIs: Twilio API 6. Big Data & Visualization: Data Analytics & Visualization Software 🤝 Why Work with Me? 1. Top Rated Plus status on Upwork, recognized for delivering consistently high-quality results. 2. Certifications in multiple leading technologies including AWS, Azure, and Terraform. 3. Proven track record of building data infrastructure and solutions that deliver measurable business results. 4. Open communication, transparent processes, and a commitment to delivering on time and within budget. Let’s discuss how I can help you with your next project. I look forward to working together to unlock the full potential of your data and cloud infrastructure! Keywords: AWS, Amazon Web Services, EC2, S3, Lambda, RDS, DynamoDB, CloudFormation, SQS, SNS, EBS, CloudWatch, ECS, EKS, AWS IAM, API Gateway, AWS Glue, Redshift, Aurora, VPC, Route 53, AWS Lambda, Elastic Beanstalk, AWS Kinesis, Athena, Elastic Load Balancer, Fargate, CloudTrail, AWS Secrets Manager, AWS Step Functions, AWS CodePipeline, AWS CodeBuild, AWS CodeDeploy, Docker, Kubernetes, CI/CD, GitLab, Jenkins, DevOps, Terraform, Cloud Architecture, Infrastructure as Code, Angular, HTML, CSS, JavaScript, Node.js, Express.js, Flask, FastAPI, RESTful APIs, PostgreSQL, MySQL, MariaDB, SQL, PySpark, Big Data, Data Engineering, Data Pipelines, Data Cleaning, Data Migration, Data Lake, Data Warehousing, ETL, ELT, Data Visualization, Apache Superset, Metabase, Redash, Python, NumPy, Pandas, Scikit-learn, TensorFlow, Keras, Matplotlib, Seaborn, Jupyter Notebooks, Machine Learning, Business Intelligence, Data Analytics, Reporting Solutions, Operational Dashboards, Marketing Analysis, JSON, XML, Excel, CSV, Cloud Computing, Azure, Databricks, Apache Spark, Apache Hadoop, Apache Kafka, Twilio API
    Featured Skill Apache Flink Developers
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  • $15 hourly
    • 5.0/5
    • (10 jobs)
    Specialties: Big Data Technology, Spark, Databricks, Azure Synapse Analytics Services, Azure, AWS, Hive, ETL, Data lake, delta lake expert. Languages : Scala, Java , Python SQL & No-SQL Databases Databricks Apache spark certified Azure DevOps
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  • $250 hourly
    • 4.9/5
    • (136 jobs)
    As a seasoned Data Scientist and AI strategist with over 10 years of experience across diverse industries, I possess a deep understanding of leveraging AI and data analytics to drive business growth and innovation. My expertise includes: 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗔𝗜 𝗠𝗼𝗱𝗲𝗹𝗶𝗻𝗴: I specialize in developing and implementing cutting-edge Generative AI models to address complex business challenges and unlock new possibilities. 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗶𝗻𝗴: I provide strategic guidance and actionable insights to businesses seeking to leverage AI and data-driven approaches for enhanced decision-making and transformative growth. 𝗔𝗜 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: I offer end-to-end AI product development services, from ideation and design to implementation and deployment, ensuring alignment with your specific business objectives. 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀: I excel in extracting meaningful insights from data, empowering your business with data-driven decision-making capabilities for a competitive edge. 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝘃𝗲 𝗖𝗼𝗮𝗰𝗵𝗶𝗻𝗴: I provide expert mentorship to executives navigating the complexities of AI adoption and strategy, enabling them to make informed decisions and lead with confidence. 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: I possess a proven track record of successfully delivering large-scale AI projects, ensuring seamless execution, timely completion, and optimal outcomes. 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀: 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 & 𝗧𝗼𝗼𝗹𝘀: Python, R, Docker, Bash/Shell, Perl, C++, C 𝗔𝗜 & 𝗠𝗟 𝗧𝗲𝗰𝗵𝗻𝗶𝗾𝘂𝗲𝘀: Natural Language Processing (NLP), Reinforcement Learning, Computer Vision, Transfer Learning, Supervised, Unsupervised, Semi-Supervised Learning 𝗗𝗶𝘀𝘁𝗿𝗶𝗯𝘂𝘁𝗲𝗱 𝗖𝗼𝗺𝗽𝘂𝘁𝗶𝗻𝗴:: Spark, Ray, Dask, MPI 𝗔𝗜 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀: PyTorch, DeepSpeed, FairScale 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗶𝗻𝗴 & 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝘆: Business Analysis, Management Consulting, Data Analytics, Deep Learning 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀: I have a history of delivering exceptional results, including resolving multi-million-dollar issues and driving significant revenue increases for my clients (>$40M) 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: I have worked across a broad range of sectors, including Healthcare, Pharmaceuticals, Financial Services, Education, Aerospace, and Defense. 𝗖𝗹𝗶𝗲𝗻𝘁-𝗖𝗲𝗻𝘁𝗿𝗶𝗰 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: I am committed to understanding your unique needs and tailoring solutions that deliver tangible business outcomes. 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 & 𝗧𝗿𝘂𝘀𝘁𝗲𝗱: I am an Upwork Expert-Vetted professional, placing me in the top 1% of my field, and I am certified in Emotional and Social Intelligence, demonstrating my commitment to effective communication and client satisfaction. I am eager to collaborate with businesses seeking to embrace the transformative power of AI. Let's work together to achieve your business goals and drive innovation. Contact me today!
    Featured Skill Apache Flink Developers
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  • $23 hourly
    • 4.9/5
    • (3 jobs)
    Hi 👋 I am a Software Engineer with 4+ years of experience in application development, data engineering and data science using Python frameworks and libraries. I have developed solutions for various e-commerce and fintech business problems. I have a wealth of experience in crafting robust and scalable solutions for diverse business needs. Backend Development • Python • Django • Django REST Framework • aysncio • pytest • Django ORM • Django Signals • Django Middleware • Django Channels • Django Logging • Cache (Redis) • Asynchronous tasks (Celery) Databases • SQL • PostgreSQL • MySQL • MongoDB • Cassandra • Oracle • Elasticsearch Version Control System • Git Data Engineering/Data Science • Data Collection (BeautifulSoup, Selenium, Scrapy) • Data Processing (Apache Spark) • Data Orchestration (Apache Airflow) • Data Analysis (NumPy, pandas, PySpark, Matplotlib, Plotly, seaborn) • Text Analysis (Regular Expression, NLTK, spaCy) • Machine Learning (scikit-learn) • Deep Learning (TensorFlow) DevOps • AWS • Docker • Nginx • Gunicorn • Ansible Project Management • Jira
    Featured Skill Apache Flink Developers
    Amazon Web Services
    API
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  • $60 hourly
    • 4.6/5
    • (28 jobs)
    I am a software developer with 14 years of experience. If you look at my project history, you will see I'm a generalist. I've worked on projects involving infrastructure, backend and frontend. So my experience is broad rather than deep. I've used numerous programming languages [Python, TypeScript, Haskell, Elm, PureScript, Lua] just to mention the most significant. I've used the major SQL databases [PostgreSQL, SQLite, MySQL]. I've done infrastructure automation with Docker, Vagrant, Ansible, Terraform, Nix & NixOS. I've used big and small cloud providers: Linode, DigitalOcean, Vultr, Hetzner, AWS, Oracle Cloud. I've built, by myself or in a team, the following deliverables: web scrapers, REST API, classic websites, API integrations, browser extensions, an nginx plugin, a CI system, a transpiler, a CLI tool, infrastructure automation. I think you get the idea by now. I'm not your best option if you need something clearcut, like payment integration or auth. For these things, you can find someone who will do it faster and cheaper. I'm more suited for three types of projects: # Architecture Design My experience allows me to simplify. I've seen the common concepts among the different programming languages and technologies. I can tell what is redundant or very specific and what is general and long lasting. I like boring, boring meaning tried and tested. # Maintaining Stable Service In the same vein as boring, I get satisfaction from the idea of ensuring a service is running smoothly, almost so you don't even think of its existence. You get work done with it without any friction. But boring doesn't mean pointless work. I will automate myself out of it as much as possible. # Higher Ambiguity | Exploratory Work I'm not afraid to build things I haven't built before. On the contrary, I find it interesting, as long as I find the project itself interesting. **Lessons I've learned** + 𝗠𝗼𝗻𝗲𝘆 𝗲𝘅𝗽𝗿𝗲𝘀𝘀𝗲𝘀 𝗰𝗼𝘀𝘁 𝗮𝗻𝗱 𝘃𝗮𝗹𝘂𝗲. I make sure clients get value for what they pay, while also making sure my costs are reasonable. + 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗼𝘃𝗲𝗿 𝗯𝗹𝗮𝗺𝗲. Pointing fingers contributes to the problem more than to the solution. The project is more important than individual sensitivities, but see point 3. + 𝗙𝗶𝘁 𝗶𝘀 𝗶𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁. With some people you just work well while with others you have to force things. I've learned it's better to recognise this and part ways amicably, so you can find those people who are your fit.
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  • $15 hourly
    • 5.0/5
    • (12 jobs)
    Hey! Are you looking for a Ruby on Rails, React.js or Node.js Developer? I’m here! 👋 I'm a Full Stack Developer with 5+ years of experience on the field. My specialty is Ruby on Rails, but I'm also a very experienced developer with Node.Js, React.Js, and Vue.js and I really enjoy building projects from scratch with these technologies.   I have served as a web developer at Grupo Leiros, Unigleam, Tas Automation, and Zemobile, where I have participated in the development and creation of a wide range of systems like e-commerce, e-learning, social media and industrial pages. As a result, I have gained a lot of experience efficiently coding websites and applications using the following technologies: ✓ Ruby on Rails ✓ NodeJs ✓ ReactJs. ✓ Vue.Js  ✓ Elasticsearch Stack ✓ Postgres ✓ MongoDB
    Featured Skill Apache Flink Developers
    Scrum
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  • $70 hourly
    • 4.9/5
    • (89 jobs)
    High Frequency and Algo trading system architect . Having experience of 10 years and delivered more than 50 system for both Corporate and retail clients . Worked with Big investment bank and have expertise in forex, Equity, Future,Option,Bonds, Crypto trading. I have expertise in building complete application for financial advisory company . Worked across the Globe
    Featured Skill Apache Flink Developers
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  • $40 hourly
    • 5.0/5
    • (5 jobs)
    I am highly dedicated to achieving professional excellence, career progression and personal development by working in a learning environment that encourages growth and enriches experiences. Key data integration capabilities: * Access, cleanse, transform and blend data from any data source * Create complex datasets with no coding required to drive downstream processes (Talend) * Improve ad-hoc analysis requests to answer business questions faster Specialties: Big Data Ecosystems: HDFS, HBase, Hive and Talend Databases – Oracle, Postgres, MySql Data Warehouse concepts ETL-Tools – Talend Data Integration Suite / Talend Open Studio / Talend ESB API Integration : Salesforce/Zoho/ Google freebase/Google Adwords/Google Analytics/Marketo Programming – Java, SQL, HTML, Unix Reporting Tools - Yellowfin BI, Tableau, Power BI, SAP BO I am an expert in creating an ETL data flow in Talend Studio using best design patterns and practices to Integrate data from multiple data sources and I have a good understanding of the Java programming language to build Talend routines to extend its inbuilt functionality. I will be happy to show you a demo of the existing Talend jobs or you can share a sample requirement to have confidence on my services.
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  • $25 hourly
    • 5.0/5
    • (1 job)
    Hi, thank you for viewing my profile. I have been a web developer for 7 years now and I love my field of work.
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  • $40 hourly
    • 4.8/5
    • (100 jobs)
    Do you want to turn your idea into an IT project? 𝐋𝐞𝐭'𝐬 𝐠𝐞𝐭 𝐚𝐜𝐪𝐮𝐚𝐢𝐧𝐭𝐞𝐝.🤝 Hello, my name is Dmitriy Forys, I am Co-Founder at 𝐃𝐚𝐭𝐚𝐎𝐱, a leading company in the Comprehensive Software Development sector. I am thrilled you're considering us for your project, and I'm confident our team have the skills, expertise, and experience to deliver outstanding results. 📌 Our Offerings • End-to-end custom software development ➖ You've got ideas, we've got solutions. • Automation ➖ Automated solution from existing business process. • Data services: scraping, extraction, processing ➖ Any data. Any size. Anywhere. • SaaS and Web Development ➖ From the idea to the first subscriptions. • Dedicated Crew ➖ An extension of your in-house team. • Guarantees ➖ Dependable solutions, timely delivery, and steadfast support. 📌 Why Choose 𝐃𝐚𝐭𝐚𝐎𝐱 • Absolute dedication - the ultimate goal is the client's satisfaction. • Stress-free same-day communication with the top experts in the industry. • Relationship-centric approach - approximately 80% of our clients are returning customers. • In-depth engagement - increased involvement leads to superior outcomes. • Complete transparency - no unexpected surprises, remain informed throughout the process. • Going the extra mile - providing added advantages to exceed your expectations. • Proficient in English - eliminating language barriers for clear communication and timely execution. If these resonate with you, our team is poised to meet your needs! Feel free to schedule 𝙁𝙍𝙀𝙀 consultation with 𝗧𝗢𝗣 𝗘𝗫𝗣𝗘𝗥𝗧𝗦. Just contact us.
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    Chatbot Development
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    Python
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    API
    Web Development
  • $20 hourly
    • 4.8/5
    • (164 jobs)
    To introduce myself, I am an individual who is very passionate and comes with a problem-solving mentality and a keen personality in software development with an overall experience of 12+ years in various technologies, Languages, and Frameworks. ↦ AI and ML: Mobile Application | Web Development | Generative AI| Image Recognition | Image Classification | GAN | Computer Vision | NLP | LLM | Image Segmentation ↦ Frontend: React, Vue.js, Angular, HTML5, CSS3, JavaScript, TypeScript, jQuery, Handlebars.js, Knockout.js ↦ Backend: Node.Js, Express.js, Python, Django, Flask, PHP, Laravel, CorePHP, CakePHP, Symfony. ↦ Database: MySQL, MongoDB, MariaDB, Sphinx Search tool ↦ Basic: Windows, Linux, macOS. ↦ Web services: WSDL, SOAP, JSON, REST. ↦ DevOps: Kubernetes, Docker, ECS, EKS. I have taken a step ahead and currently working as a CEO/founder of Tuvoc a software company, which deals in web development and mobile app development, with a team of 90+ tech professionals with top-notch Front-end as well as Back-end experience. As a team, we have worked with multiple projects whether be it in front-end back-end, or complete turnkey projects our team has been successfully managing the same since then. We would be more than happy to extend our hand and services to accomplish your goals, as we work in an environment that inspires and challenges us to evolve better. so, anytime think about us as a teammate who is more creative, passionate, and willing to work out ways. We welcome any queries, big or small, with the promise of a quality and professional service. Regards, Jitendra Rathod
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    Flutter
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  • $70 hourly
    • 4.9/5
    • (126 jobs)
    ⭐️⭐️⭐️⭐️⭐️ "Vikas was very responsive, understood, and respected the limited PoC scope for GPT+LangChain integration. He delivered viable v.1 of PoC within budget. He took time to explain the code in a way I could understand what work he completed. I will use Vikas again." "Would hire Vikas over and over for our work. Great worker! Highly, HIGHLY recommend." ✅ HIGHEST RATED GPT-4o, RAG, OpenAI, Langchain, LlamaIndex, Machine Learning, Computer Vision, Deep Learning, NLP, MLOps Freelancer on Upwork, with specialization in building and deploying robust, low latency, highly available models ✅ EXPERIENCED PYTHON Scripting Engineer with specialization in different cloud services like AWS, GCP, Salesforce, Azure I have solved challenging problems for some of the most innovative startups in AI/ML space, including the following to illustrate some of them: ✅ Deci AI ✅ Aporia ✅ PyImageSearch 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I center around offering value to the entirety of my Clients and Earning their TRUST. ✅ Responsiveness: Being amazingly responsive and keeping all lines of communication promptly open with my Clients ✅ On-Time Delivery: I ensure that I deliver quality work before the client's expectations without any hiccups 🏆Client Reviews🏆 beneath portrays the nature of work and worth that you can anticipate by working with me: "Despite the huge timezone difference, Vikas managed always to be available. He was easily reachable throughout the process and delivered what we expected on time. Great communication skills. I enjoyed working with Vikas; we recommend him and will surely reach out to him again for projects in his skillset." My Skills and tools I am experienced in: - Python, JavaScript, C++ - Mongo DB, Express js, React js, Node js - OpenAI, Cohere, Gemini, AssemblyAI - KNN, Decision Trees, Random Forest, SVM, PCA, Ensemble modeling - Tensorflow, Keras, Pytorch, FastAI, OpenCV, HuggingFace, Transformers, BERT, GPT-4o, Whisper, LLaMA 3 - MLOps, DevOps - Rest APIs, Flask, FastAPI, Docker, Kubernetes - AWS EC2, SQS, LAMBDA, API Gateway, Fargate, CloudFormation, Datorama
    Featured Skill Apache Flink Developers
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  • $500 hourly
    • 4.6/5
    • (17 jobs)
    I excel at analyzing and manipulating data, from megabytes to petabytes, to help you complete your task or gain a competitive edge. My first and only language is English. My favorite tools: Tableau, Alteryx, Spark (EMR & Databricks), Presto, Nginx/Openresty, Snowflake and any Amazon Web Services tool/service (S3, Athena, Glue, RDS/Aurora, Redshift Spectrum). I have these third-party certifications: - Alteryx Advanced Certified - Amazon Web Services (AWS) Certified Solutions Architect - Professional - Amazon Web Services (AWS) Certified Big Data - Specialty - Amazon Web Services (AWS) Certified Advanced Networking - Specialty - Amazon Web Services (AWS) Certified Machine Learning - Specialty - Databricks Certified Developer:
 Apache Spark™ 2.X - Tableau Desktop Qualified Associate I'm looking for one-time and ongoing projects. I especially enjoy working with large datasets in the finance, healthcare, ad tech, and business operations industries. I possess a combination of analytic, machine learning, data mining, statistical skills, and experience with algorithms and software development/authoring code. Perhaps the most important skill I possess is the ability to explain the significance of data in a way that others can easily understand. Types of work I do: - Consulting: How to solve a problem without actually solving it. - Doing: Solving your problem based on your existing understanding of how to solve it. - Concept: Exploring how to get the result you are interested in. - Research: Finding out what is possible, given a limited scope (time, money) and your resources. - Validation: Guiding your existing or new team is going to solve your problem. My development environment: I generally use a dual computer-quad-monitor setup to access my various virtualized environments over my office fiber connection. This allows me to use any os needed (mac/windows */*nix) and also to rent any AWS hardware needed for faster project execution time and to simulate clients' production environments as needed. I also have all tools installed in the environments which make the most sense. I'm authorized to work in the USA. I can provide signed nondisclosure, noncompete and invention assignment agreements above and beyond the Upwork terms if needed. However, I prefer to use the pre-written Optional Service Contract Terms www [dot] upwork [dot] com/legal#optional-service-contract-terms.
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