Hire the best Graph Databases specialists

Check out Graph Databases specialists with the skills you need for your next job.
  • US$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 Graph Databases
    NodeJS Framework
    Data Modeling
    Magento
    Golang
    CSS 3
    HTML5
    Web Development
    Database Modeling
    Graph Database
    NoSQL Database
    PHP
    Laravel
    OrientDB
    Python
    MySQL
  • US$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 Graph Databases
    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
  • US$40 hourly
    I'm a Neo4j Certified Professional and experienced software engineer with a passion for leveraging graph databases to solve complex problems. With 7+ years of experience in the computer software industry, I'm proficient in Neo4j, Cypher Query, Neo4j Bloom, Python, Java, Data Visualization, GraphQL, and JavaScript. I'm well-versed in data modeling and writing Cypher queries, and I have a deep understanding of the Neo4j graph database and its query language. Additionally, I'm experienced in developing GraphQL APIs for efficient data access and visualization. I'm a strong engineering professional with a B.Tech in Computer Engineering from the College of Engineering Pune. If you're looking for a software engineer with expertise in graph databases and a passion for delivering impactful solutions, let's connect! - Raj
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Amazon Web Services
    Database Modeling
    Django
    API
    Knowledge Graph
    Cypher
    GraphQL
    Web Development
    Graph Database
    Neo4j
    JavaScript
    Database Optimization
    Database Maintenance
    Python
  • US$67 hourly
    I'm a Neo4j certified, I like being able to help people solve their doubts and problems, working side by side to get the best solution for the best graph experience. 30 min google meet call to discuss your project, expert advice & estimates. (I)-[:LOVE]-(graphs)
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Cypher
    Data Model
    Java
    Graph Database
    Apache Hive
    Big Data
    Apache Hadoop
    Apache Spark
    Spring Data Neo4j
    Data Lake
    Amazon Web Services
    Neo4j
    Database Design
  • US$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 Graph Databases
    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
  • US$75 hourly
    💡 NLP, Machine Learning, and Deep Learning Implementations 💡 Model Deployments, Data analysis and Visualizations 💡 Custom & Interactive Dashboards and ML Apps 💡 Custom Agents/Chatbots and GPT Powered Workflows and Assistants 🟢 ML Powered Market Analytics and Business Intelligence 🟢 Efficient and Powerful Machine Learning Models 🟢 Data Analysis and Story Building 🟢 Top Rated Plus Freelancer ════════════ SERVICES ════════════ Developing advanced NLP solutions (LLMs, transformers, seq2seq, word embeddings) Designing and optimizing AI agents, chatbots, and virtual assistants Building Custom NLP, ML, RL models from scratch Analytics, Data Exploration, ETL Pipelines Data Modelling, Time Series Analysis, Text Analysis Solutions expert across a wide range of domains Custom API's for fetching, transforming, and loading data Exploratory Data Analysis, Model Training, Hyperparameter Optimization Exposing Machine Learning Models via REST API's Analytics API's for fetching, transforming, and returning required analysis ════════════ ABOUT ME ════════════ Hi, I am a Data Scientist, ML/NLP Engineer and Python Development Expert with 6+ years working across various domains. My core expertise lies in building end-to-end ML and NLP solutions - from data collection and processing, to model training, optimization and deployment via RESTful APIs. I have extensive experience in: - Training custom ML & NLP models from scratch (LLMs, Transformers, BERT, etc.) - Developing AI agents, chatbots and assistants powered by GPT and Langchain - Building recommendation engines, ranking engines, similarity engines - Extracting insights from unstructured data using OCR, NER, text analytics - Deploying scalable ML applications on cloud platforms (AWS, GCP, Azure) - Data Analysis & Engineering: Extracting insights from large datasets, building ETL pipelines, data warehousing, and creating visualizations and dashboards - Software Development: Proficient in Python, SQL, Java, and C++. Experience with Django, Flask, FastAPI for building scalable web applications and microservices Having worked with both large enterprises and fast-paced startups, I bring a unique blend of technical depth and business acumen. I have successfully led data science teams and delivered impactful projects across ClimateTech, Biotech, Fintech, Media, Telecom, Legal and HR domains. As an experienced freelancer, I pride myself on being a creative problem-solver who can rapidly prototype ideas and bring them to production. I ensure all deliverables are thoroughly tested, documented and deployed using industry best practices. ════════════ TOOLS AND TECHNOLOGIES ════════════ Expertise with: NLP, ML, BigData tools GPT3, T5, custom transformer implementations Large Language Models (LLM's) ChatGPT, Langchain Prompt Engineering Language Modelling Topic Modelling, Text Analytics Word Embeddings, Transformer Embeddings Text Similarity, Similarity Engines Recommendation Engines, Ranking Engines Classification Models, Predictive Models Time Series Analysis Classical ML (Regression Analysis, Clustering, Random Forests, Statistical Analysis, Gradient Boosting etc) OCR and Document Parsing (Extracting Tables, Text, etc) Pytorch, Pyspark, Scikit-Learn Python: Django Rest Framework, Flask, Cronjob, Celery, RabbitMQ, Web scraping, Crawling, Data Mining, Micro-Services, Logging & Debugging Database Integrations: Elasticsearch, ArangoDB, SQL, PSQL, SQLLite, MongoDB, CassandraDB, Custom integrations, VectorDB's (Chroma, Pinecone) Deployments: Gunicorn, Nginx, Docker, Docker-Compose, AWS, Azure, GCP
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Hugging Face
    Software Development
    Text Analytics
    Analytics
    Predictive Analytics
    API Development
    Elasticsearch
    GPT-3
    Deep Learning
    Data Science
    Natural Language Processing
    Python
    Machine Learning
    Classification
    Data Science Consultation
  • US$25 hourly
    HI CLIENT, I LOVE TO WORK WITH PEOPLE AND CREATE COMFORT CONDITIONS If you would like to build algorithms that worlds have never seen before, please let master degree of economic cybernetics to participate then. When you ready to bring more structure and clarity to your data use GA4 plus GTM then. GA4 and ML will give you an idea how to improve your clients flow. If you are searching for ML, AI and as the result: predictions then you probably know that ability to see the future - is the main skill in XXI century. One of the way - is to learn your partners. If you want to analyze them then I am here for support. Statistic can characterize time series data (max prices, avg prices, min prices, dispersion, indexes...), find the trends (linear, non-linear can be transformed to the linear through the logarithms), predict future values. In more complex instance - predict partner's future moves is like you predict next only-begotten move for adequate tic-tac-toe (or chess) player (AI). So you give forecast but your prediction is not even close to postdiction - it is the problem, but these cases (Anomalies) are most interesting things in the Data Analyzing (imho) cause they expand the way to the why. Fast Data Science Learning Process can be increased using Neo4j Five years ago, one my client told me: "If you want to get ahead of time, you should learn neo4j". I had believed and did not regret so far. If you are searching the things to be done using neo4j, apoc functions and graph algorithms library(find communities, similarity measurement and others): ~ install neo4j to different platforms OS (Linux, Windows, Mac); including AWS services; ~ migrate from CSV files to neo4j through the Cypher using "LOAD FROM CSV…"; ~ connect to the neo4j DB, CRUD different neo4j objects (dynamically create and send Cypher queries); ~ found the nearest objects (exchanges, airports, etc.); ~ find the shortest (time and distance) and cheapest paths between exchanges, airports, found most popular nodes in the path, etc ~have developed a social network for users who wants to change his stocks through the chain of mutually interested people who can't get interesting thing directly; ~ have developed cyber security fraud detection database system; ~ Statistician and Data Science expertise in multi-variable regression and Monte Carlo simulations.  ~ identify common property characteristics associated with purchased properties that helps prioritize the work; then let active proponent of neo4j like me to do these things for you. So this is my current background and will be glad to answer your additional questions, looking through...
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    PySpark
    Graph Database
    Apache Kafka
    Database Design
    Artificial Intelligence
    Marketing Analytics
    Query Tuning
    Knowledge Graph
    Machine Learning
    Database Administration
    AWS Lambda
    Node.js
    React
    Python
    Neo4j
  • US$20 hourly
    Hello 👋, Thanks for stopping by! Are you looking to transform your ideas into stunning, high-performing mobile and web applications? Do you desire seamless, intuitive user interfaces and captivating user experiences that keep your users coming back for more? Look no further! I'm Sunny, an innovative and results-driven Mobile app developer with a passion for crafting seamless digital experiences. With a diverse skill set spanning iOS, Android development on React Native, Flutter, and profound UI/UX design expertise, I take pride in bringing cutting-edge solutions to life that exceed user expectations. Technical Excellence: ⟷⟷⟷⟷⟷⟷⟷ With more than 10 years of hands-on experience, I possess a deep understanding of mobile technologies, allowing me to develop robust and scalable applications that stand the test of time. My proficiency in iOS and Android platforms, coupled with React Native & Flutter expertise, empowers me to create cross-platform solutions with maximum efficiency and cost-effectiveness. Mobile App Development Technology expertise: ⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷ As a full-stack mobile app developer, I have decent expertise in iOS & Android mobile app development, AR/VR & Internet of Things-IoT technologies: ✅ Languages for Native App Development: Swift, Objective-C, JavaScript, Mobile jQuery, NodeJS, React JS, Core-Java, Android ✅ Frameworks: Ionic, React Native, Cordova, PhoneGap ✅ Tool: Xcode, Notepad++, SublimeText, Atom, Xcode IDE, Android SDK, Android Studio, Eclipse ✅ Mobile App Design UI/UX tools: Storyboard, Sketch, Photoshop ✅ Mobile App Backend: Node.js /PHP/.Net backend development ✅ Database Management: MongoDB, MySQL, SQLite, PostgreSQL, MSSQL, Cassandra ✅ Networking/Cloud: JSON, REST APIs, SOAP APIs, XML, Parse, CloudKit, Firebase, Google APIs integration ✅ Device Kit: Bluetooth Low Energy (BLE), iBeacon, NFC, credit card reader, MIDI ✅ Wireframing: Invision, Balsamiq, Marvel, Moqups, and MockingBot ✅ Amazon MWS API, AWS, Repricing, Sales tracking ✅ Live Stream Video/Audio, Financial mobile app development, loan calendar, event app development ✅ Social network integration (Facebook, Twitter, LinkedIn) ✅ Image Processing ✅ Web Service, Ajax, XML, RSS, SOAP, WSDL ✅ Push Notification, Geolocation- GPS location processing, media streaming, RESTful APIs ✅ CoreData, CoreGraphics, Animation, 2D Animations, QuartzCore ✅ In-App purchases implementation ✅ Speech recognition, text-to-speech, Siri ✅ ADS integrating (Admob, iAd, Adwords, Video Ads) ✅ Chat API: Video Conferencing (Zoom/WebRtc/Twilio, XMPP) ✅ Photo/video/audio management (capturing, editing, and sharing) ✅ Google Map service, open street maps, KML Overlay implementation, Apple Map service ✅ Analytics SDKs: Google Analytics, Fabric, Firebase, Flurry Analytics ✅ Mobile App Testing and Performance: Apple Instruments, TestFlight, Diawi, Appetize, Ranorex, AppkitBox ✅ Debugging, fixing, and maintenance of existing code and Upgrading apps to Swift from Objective-C, making apps compliant with the latest OS ✅ App Store optimization-ASO & App Store/Play Store submission process ✅ Code Repository: GitHub, SVN So, React out now and let's embark on a journey of innovation and success together! Thanks!
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Solidity
    Ethereum
    Blockchain, NFT & Cryptocurrency
    Binance NFT
    Binance Coin
    Java
    Android App Development
    React Native
    Node.js
    Swift
    PHP
    Kotlin
    Mobile App Development
    Flutter
    iOS Development
  • US$35 hourly
    I am impeccable at PHP and Laravel. Also have pretty good experience with Python, JavaScript, SQL, SPARQL, and decent DevOps stuff. Over five years of experience. Notable Experiences: Worked for Nepal Government to develop various websites and web applications I worked for Insomnia Cookies, the largest cookie company in the US as a backend engineer. Currently working at SchemaApp, which deploys schema markup to its customers like SAP and a few fortune 500 companies, etc. Amazing team and the company! I have pretty amazing at these stuff: 1. Core programming skills 2. Problem-solving with data structures 3. Dissecting Framework and their philosophy 4. OOP, SOLID principles and other design patterns (we know loose coupling is they key, and interface is the path towards it) 5. Planning and implementing structure and components of a codebase 6. AWs stuffs like lambdas, EC2, IAM, SNS, EventBridge, Serverless, Quicksight, RDS, S3, etc. 7. Pretty good debugging skills (trust me most people don't know this) 8. Communicating facts and giving sad news if there is any 9. Honest and disciplined individual if you have something cool work that you think I might like, throw at me!
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    RabbitMQ
    Rust
    Golang
    PHP
    JavaScript
    Vue.js
    Laravel
    RDF
    DevOps
    Git
    Graph Database
    Redis
    MySQL Programming
    Elasticsearch
    SPARQL
  • US$100 hourly
    — TOP RATED PLUS Freelancer on UPWORK — EXPERT VETTED Freelancer (Among the Top 1% of Upwork Freelancers) — Full Stack Engineer — Data Engineer ✅ AWS Infrastructure, DevOps, AWS Architect, AWS Services (EC2, ECS, Fargate, S3, Lambda, DynamoDB, RDS, Elastic Beanstalk, AWS CDK, AWS Cloudformation etc.), Serverless application development, AWS Glue, AWS EMR Frontend Development: ✅ HTML, CSS, Bootstrap, Javascript, React, Angular Backend Development: ✅ JAVA, Spring Boot, Hibernate, JPA, Microservices, Express.js, Node.js Content Management: ✅ Wordpress, WIX, Squarespace Big Data: ✅ Apache Spark, ETL, Big data, MapReduce, Scala, HDFS, Hive, Apache NiFi Database: ✅ MySQL, Oracle, SQL Server, DynamoDB Build/Deploy: ✅ Maven, Gradle, Git, SVN, Jenkins, Quickbuild, Ansible, AWS Codepipeline, CircleCI As a highly skilled and experienced Lead Software Engineer, I bring a wealth of knowledge and expertise in the areas of Java, Spring, Spring Boot, Big Data, MapReduce, Spark, React, Graphics Design, Logo Design, Email Signatures, Flyers, Web Development (HTML, CSS, Bootstrap, JavaScript & frameworks, PHP, Laravel), responsive web page development, Wordpress and designing, and testing. With over 11 years of experience in the field, I have a deep understanding of Java, Spring Boot, and Microservices, as well as Java EE technologies such as JSP, JSF, Servlet, EJB, JMS, JDBC, and JPA. I am also well-versed in Spring technologies including MVC, IoC, security, boot, data, and transaction. I possess expertise in web services, including REST and SOAP, and am proficient in various web development frameworks such as WordPress, PHP, Laravel, and CodeIgniter. Additionally, I am highly skilled in Javascript, jQuery, ReactJs, AngularJs, Vue.Js, and Node. C#, ASP.NET MVC In the field of big data, I have experience working with MapReduce, Spark, Scala, HDFS, Hive, and Apache NiFi. I am also well-versed in cloud technologies such as PCF, Azure, and Docker. Furthermore, I am proficient in various databases including MySQL, SQL Server, MySql, and Oracle. I am familiar with different build tools such as Maven, Gradle, Git, SVN, Jenkins, Quickbuild, and Ansible.
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Apache Spark
    Database
    WordPress
    Cloud Computing
    Spring Framework
    Data Engineering
    NoSQL Database
    React
    Serverless Stack
    Solution Architecture Consultation
    Spring Boot
    DevOps
    Microservice
    AWS Fargate
    AWS CloudFormation
    Java
    CI/CD
    Amazon ECS
    Containerization
  • US$200 hourly
    🥇 Hand picked by Upwork as "Expert-Vetted". This highlights talent that has passed a thorough pre-screening process by experts in their field. These elite freelancers and agencies have been evaluated by our Talent Managers for their expertise and excellent soft skills. They represent the Top 1% of talent on Upwork. 🏆 Experienced Data Scientist & Machine Learning Engineer from #1 enterprise software company in the world 🤖 Extensive work with industrial, R&D and start-up scale projects focusing on Data Science, Machine Learning Engineering and Full Stack Development such as: 🏢 SAP ➝ #1 enterprise software company in the world. Clients include Greggs, NHS, MindTree, GSK, LSEG and many more... 😇 Halo ➝ R&D focused on real human impact with emerging technology. 🆙 Upwork ➝ I've built great relationships with all my clients and pride myself on a 5 ⭐ rating and 100% success rate! My clients range from global corporations to personal projects & startups. My core skillset lies in the delivery of end-to-end Data Science. Everything from a deep discovery phase, the exploratory data analysis, to the engineering of Machine Learning algorithms and finally the communication & integration of Artificial Intelligence into business processes and systems, I can help you with. I also have expertise in all aspects of the technology stack including server configuration, database creation, backend development, frontend web development and API design 🧑🏽‍💻 I’m naturally curious and creative, I enjoy building innovative solutions using Artificial Intelligence to solve difficult problems by thinking outside of the box. I can add a degree of flair and creativity to your project alongside my technical expertise to deliver something unique and bespoke for your needs. ❓WHAT MAKES ME DIFFERENT? 💡 Creativity ➝ A skill that I believe is commonly overlooked with technology. Although I have a technical background, my passion are the creative arts and I am passionate about creating solutions that solve problems. I strive to recommend unique solutions, design bespoke architectures and overall build something that is perfect for you. 🗣 Communication ➝ No Data Science project is complete until the business buys into its value. I’ve seen so many projects in my career fail at this stage. I am a clear, confident and empathetic communicator with vast experience in public speaking and enablement. I earned a “Gifted Public Speaker” award at SAP and was Head of Enablement for Machine Learning across EMEA, designing and delivering technical training to over 200 consultants. 🤝 Trust ➝ I have been on the hiring side of Freelancers before and I know that it can be difficult to find the right match. I am a friendly, always open, approachable person that is keen to build trust and rapport with you straight from the start. I am here to build long lasting & fruitful relationships and to build technology solutions that have a real impact for your business. You can rely on me to be open, honest, upfront and advisory with my approach 👍🏽 I'm always happy to have a chat, please reach out to me if you'd like to talk!
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Mathematical Modeling
    Curriculum Development
    Artificial Intelligence
    Virtual Reality
    Digital Signal Processing
    App Development
    Machine Learning
    Data Science
    Model Optimization
    Supervised Learning
    Data Science Consultation
    Python
    Natural Language Generation
    Natural Language Processing
    Computer Vision
  • US$27 hourly
    ★ I am a Certified Microsoft Excel Specialist - Expert Level. ★ I have an almost 20 years’ experience in using Microsoft Excel and Googlesheet, and I am expert in Functions, Formula, Graphs, Dashboards, Pivot Tables and VBA/Macro. ★ Hardware I have: • High-end i9-13900HX (13th Gen) Laptop with 32GB DDR5-5600MHz of RAM so huge data won't be an issue. I also have another i7-7th Gen Laptop with 32GB DDR4 RAM that can be used as my backup. • Our Internet is a Fiber Optic with 100 to 200 Mbps and I have a fast 4G Phone where I can hotspot it as my backup. • We are using Solar Energy off-grid too, so Power shortage is not a problem. ★ My expertise are: • DATA MANIPULATION: I can turn a messed dataset that was copied from Web, from PDF, or other platforms into a proper format in a Excel using complex formula like combination of LOOKUPs including INDEX+MATCH, SUMIFS, COUNTIFS, SUMPRODUCT, IF, TEXT Functions, Macro/VBA, and many more. • REPORTING: I love transforming raw data into an Interactive Dashboard with meaningful graphs, tables and buttons. Those raw data came from difference source like from CRM, from database (call center data, etc.), from Digital Marketing Ads (from FB, Twitter, Amazon, Google Adwords, Shopify, eBay, etc), and different platform. • AUTOMATION: Using Complex formula and VBA/Macro I can automate manuals steps for preparing the data or the reports to limit human errors and increase productivity. ★ With my wide experience as an Excel Expert, Data Analyst and Reporting Analyst, I’ve been in different kind of Companies, like a Real Estate Company, Call Center, Digital Marketing, and many more. ★Happy Husband and Proud Father of Three ★I love gardening and fishing. ★ My Core Values as a Data Expert focus on: • ACCURACY – I will make sure that I will provide you clean and error free Data and Reports, analyzing incorrect data/report is such a waste of time. • TIMELINESS – I am always aiming to finish the projects before the deadline. • DATA PRIVACY – everyone’s Data is a lot of mean to me and I am always protecting them from others. I will never share your data into anyone else. I am okay to sign NDA too. • PRO-ACTIVENESS / INTIATIVE – I am not just here to earn extra but I am here to help you and make your Team become more successful.
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Excel Macros
    Analytics Dashboard
    Microsoft Excel
    Data Segmentation
    Data Extraction
  • US$185 hourly
    I am highly experienced with Microsoft Excel (ranked within top 10% on UpWork). I specialize in developing high-end tools for applications like financial analysis, data visualization, commission calculators, pricing calculators, KPI trackers, dashboards, data analysis, pivot tables, tools for project management, checklists, performance evaluations, among many more. Explain your idea to me and I can convert it to a spreadsheet that is not only functional and efficient but also user-friendly and visually appealing. I possess bachelor's degrees in finance and economics and I graduated with honors. I also have a strong background in statistics and algebra, complemented with graphic design. I held a senior management position in the chemical industry for five years before moving abroad. I have been working as a freelance agent since 2014 and have acquired knowledge of industry specific needs from working with thousands of clients. I am methodical, organized, detail-oriented and I look forward to collaborating with you. Let's talk soon! Andrea
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Spreadsheet Software
    Economics
    Spreadsheet Skills
    Data Sheet Writing
    Microsoft Office
    Technical Documentation
    Financial Modeling
    Financial Analysis
    ISO 9000
    Financial Reporting
    Data Analytics
    Computer Skills
    Microsoft Excel
    Google Sheets
    Graphic Design
  • US$35 hourly
    - Experienced Node developer with extensive knowledge of frontend frameworks like Angular2+, ReactJS - Certified AWS developer having familiarity with AWS architecture and serverless framework. - Experience with event-driven Serverless applications using AWS Lambda, DynamoDB, SES, SNS, SQS etc. - Experience with CI/CD pipeline to serve a wide range of architectural patterns, from EC2 to Serverless. - Very good understanding of programming algorithms and best practices and always follow it in code.
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Infrastructure as Code
    Elasticsearch
    Node.js
    GraphQL
    AWS AppSync
    PostgreSQL
    CI/CD
    Redis
    Serverless Computing
    AWS Application
    Docker
    Data Scraping
    AWS Lambda
  • US$35 hourly
    I could be your next best hire on UPWORK 5+ years of experience as a Fullstack web developer, and DevOps engineer. Proficient in ● Frameworks: Django, Flask, Pyspark, Airflow, React, Vue.js, Quasar, Angular, Node, Celery, Redis, Rabbit MQ ● Databases: DynamoDb, PostgreSQL, MySQL, MSSQL, Oracle ● Software Tools: GIT, Docker, Chef, Jira ● Languages: Python, SQL, Javascript, Java, Typescript, ● OS: Ubuntu, Windows 10/7, Mac, RedHat ● Cloud: AWS , Azure, Docker, Kubernetes Great ability to work with a team Excellent problem-solving skills Excellent communication skills Actively participates and engages the Software Support team in resolving production issues. Improves and designs monitoring systems in order to address issues with systems stability and quality of data. Conceptualizes and designs testing protocols for the purpose of locating issues within the system. Works closely with website management/ development teams when coming up with integration tests and writing code for new features. Let's connect and have a discussion
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Software Architecture & Design
    RESTful API
    DevOps
    Web Application
    NGINX
    API Integration
    Git
    Flask
    Django
    Angular
    Python
    Docker
    Node.js
    React
    Vue.js
  • US$65 hourly
    Hello, my name is Joyce Guerrero and I am an enterprising Principal UI/UX Designer with over 10 years experience in the field. I am reaching out to express my interest in the Lead Product Designer position currently available, as I feel like my qualifications and experience are a good match for this position. I've had the opportunity to hone my design skills by working in various industries, including Luxury Real Estate, Customer Relationship Management, Slot and Sports Gaming, Pharmaceuticals, and more. In 2019, I was also a Design Fundamentals Instructor at University of Nevada Las Vegas, where I taught the principles, theory, and software of design to the future generation of designers. My past experiences also include working as a UI Designer in the Slot Machine industry, where I designed engaging and visually appealing user interfaces based on competitor market analysis and user testing. I also served as a Creative Director for INVegas Magazine, where I led the creative team to produce stunning designs for the publication. You may view examples of my work here: joyceguerrero.myportfolio.com Thank you so much for considering my application. I look forward to discussing my qualifications in further detail, and learning more about the design vision for your company. Sincerely, Joyce R. Guerrero
    vsuc_fltilesrefresh_TrophyIcon Graph Databases
    Game Art
    Arts & Culture
    User Interface Design
    Sketching
    UX & UI
    Digital Design
    Graphic Design
    Freestyle Drawing
    Drawing
    Digital Illustration
    Digital Painting
    Digital Art
    Logo Design
    Illustration
  • US$30 hourly
    Technically adept Microsoft Certified Solutions Developer (MCSD) with 10+ years of experience. The Bachelor of Computer Science and IT. My website: enormoussolutions.com 📞 Invite me to meet up, so I can elaborate you my skills and show my work 📞 Full-time available for work. Successfully delivered 80+ projects on Upwork with 5-star ratings, excellent feedback, and 150+ many during my total work experience. More than 9000 hours on Upwork. 10+ years of experience in Web/Mobile Development, I have developed a wide range of domain-oriented websites. Full-time Freelancer. Comfortable working during EST/CST hours. I always complete tasks quickly and efficiently, I will consider all possible options before doing anything, creative and friendly. Specialized Skills and Technologies: Server and Client Side Technologies: Angular | ReactJS | Next.js | React Native | Node.JS | Typescript | ASP.Net | ASP.Net MVC | .Net Core | C# | Unit Tests | Entity Framework | LINQ | NopCommerce | JQuery | Javascript | ES5| ES6| ES7| ES8| Ajax | Ionic | JSON | HTML5 | Bootstrap | CSS3 | Kendo UI | Material UI Design| Tailwind CSS | AWS | Azure. Open Source Technologies: Angular (2-16) | ReactJS | React Native | NodeJS | TypeScript | Progressive web Apps (PWA) | .Net Core| No SQL | PostgreSQL API/ WebServices: .Net Core API | Web API 2 | Go Lang | AWS | AWS S3 | Web Services | REST| SOAP Database: SQL Server | MongoDB | Firebase | MySQL | PostgreSQL Source Controls: Bitbucket | Git | Team Foundation Server | SVN Tortoise Third-Party Tools and API integrations: Twilio Expert: Twilio Programmable Video, Programmable SMS, Programmable Voice | Google APIs | Facebook APIs | LinkedIn API | ZOHO | Twitter API | QuickBase | QuickBooks | Stripe | Business Intelligence Tools: SQL Server Reporting System(SSRS) | SSIS | Power BI I am creative, reliable, responsive, and responsible. I am always available on Upwork, email, Skype messages, and phone calls. You can expect a quick reply from me. Can deliver quality products in quick time at affordable prices. I'm always willing to learn and to keep up with new technologies. Client satisfaction and meeting deadline with quality work is my top priority. Usually, my client becomes long-term client as they are highly satisfied with my work. Notable clients worked with Location Pro, Pediatrics Telehealth USA, FHR USA, EPFR Global, Nova Biomedical, FIRMVO, JustConnectUs, Vishak Inc, Tata Motors, Mahindra Motors, MGA (Maruti Suzuki Genuine Accessories) I will be happy to work with you. Looking forward
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    A passionate and self driven Data scientist/Machine Learning Engineer with 1.5 years of professional Experience in Forbes Best 2021 Under A Billion award winner Company; building ML models and pipelines in Python and deploying to production. Well-versed in using deep learning (TensorFlow) to solve everyday business problems such as recommendation, segmentation, Data Extraction, and Data Comparison. Has worked extensively with NLP/transformer models (Bert, Roberta, all-mpnet) etc to analyze all types of sequence data. Highlights: ▮ High-performing Data Science and Machine Learning professional with extensive experience in BI/ Data-Science/Machine Learning Deep Learning life cycle management from conception to completion. ▮ Having deep understanding of algorithms and data structure i.e., all facets of supervised and unsupervised learning and data munging techniques to meet the analytics and AI needs. ▮ Structuring complex Machine Learning projects: data preprocessing, training & testing. ▮ Creating Machine Learning models for regression and classification problems using Random Forest Trees, Ridge and Lasso Regression, Logistic Regression, SVM and XGBoost and many more. ▮ Data Extraction, Conversion and Annotation. Tool and Skills - - Highly proficient in Python - Highly specialized in Machine Learning and NLP. - Experienced in building end-to-end pipelines for data manipulation, modelling, model deployment and optimizations. - Knowledge of variety of data visualization - Knowledge of variety of machine-learning algorithms: - Regression (Linear, Logistic Regression, Multiple, GLM) - Statistical Modelling (Cluster Analysis, Decision Trees, Regression) - Classification (Naive Bayes, Support Vector Machine, Decision trees, Ensembles - Random forests, Gradient Boosting) - Deep Learning Frameworks: RNN, CNN, LSTM, TensorFlow, Keras, Pytorch - ML/ Data Exploration: Hugging Face, NumPy, Scikit-Learn, Matplotlib, SciPy, Pandas, NLTK, XGBoost - Natural Language Processing - Transformers, NLTK, Spacy - DB/Storing: MySQL - Version control: GIT
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    - 6 years of PYTHON - 4 years on AI - 3 years on CHAT BOT [ RASA| GPT-2&3 | DialoGPT | Dialogflow | Amazon Lex - 3 years on open cv and image/ object detection [ tensorflow - 2 years on NLP and NER - 2 years of experience in GOOGLE CLOUD [ vertex AI | Cloud Run | Cloud Build | Compute engine | Pub Sub - Proficiency in SQL & NoSQL databases. - Hard worker and available around the clock.
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    As a Master’s Degree holder in Computer Science, specializing in intelligent systems, I bring over six years of in-depth experience in system architecture, data analysis, and processing, with a keen focus on managing massive data flows. My expertise spans machine learning, database administration, data warehouse and lake design, NLP, web scraping, and DevOps, among others. I’ve had the privilege of contributing to cutting-edge machine learning research projects at Stanford University and collaborating remotely with Harvard professors. My work has focused on the design of bespoke machine learning models, generating interpretable explanations, and applying reinforcement learning. Additionally, I’ve developed optimization algorithms for diverse real-world applications, ranging from bail-out decisions and employee performance predictions to data mining and network modeling. My experience extends to managing large databases and complex data models, involving the complete redesign of databases containing sensitive information, developing ETL pipelines, and crafting Business Intelligence solutions. DevOps is a passion of mine. I thrive on creating scalable and elastic infrastructures using Docker, Kubernetes, graph databases, and message brokers to support sophisticated code and ML models. My enthusiasm extends to optimizing Python code, deploying TensorFlow models, designing micro-services, and implementing in-memory databases for high transaction volumes. Beyond technical capabilities, I excel in academic writing, project proposal creation, product development, and project management, underscoring my holistic approach to technology projects.
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    I am a developer with experience in a variety of fields due to a completed Master in Computer science. My focus was network security, cloud computing and censorship system circumvention. - I'm experienced with python and selenium - I will finish your project! Looking forward to working with you!
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    I'm a data engineer and database expert with a passion for data and extensive experience across a broad skill set: * Expert in SQL (Oracle, Postgres, MySQL, Redshift, SQL Server, Snowflake, Clickhouse), PL/SQL / PL/pgSQL, Data Modelling, Data Warehousing, query optimization / performance tuning, and Oracle APEX. * Competent across the following cloud platforms - AWS, Azure and OCI. * Good knowledge of Python, Terraform, Kafka, DBT, NoSQL and graph databases (MongoDB, Neo4J), Azure Devops Pipelines / CI/CD, Kubernetes, Docker, orchestration tools (Airflow) I'm a great communicator and have a proven track record of exceeding client expectations. I'm a native English speaker and I believe communication is key, especially when working remote. I look forward to speaking with you.
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    Snowflake
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    Skilled Data Engineer and Analyst with experience on multiple programming languages (Python,SQL,Golang,Scala) and multiple platforms. I specialise in building data pipelines that take data from source to destination and can process data as needed in the pipeline. Currently focused on using Talend & Pentaho Data Integeration (PDI) as tools of choice but equally comfortable creating bespoke ETL solutions using other software or writing data processing scripts using bash,python etc. Proficient in databases and setting up Data Warehousing solutions. Finally, long experience building Data Dashboards using R Shiny, Pentaho Server and PowerBI.
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    "During his tenure as a Senior Software Engineer, Faisal proved to be an invaluable asset to our team. With exceptional communication skills and a wealth of technical knowledge, he consistently delivered high-quality solutions. His friendliness, professionalism and proficiency in back-end development made him a great fit for the project and our team. I confidently recommend Faisal to prospective companies seeking a reliable and skilled team member." - UPWORK ENTERPRISE CLIENT 1,791 Hours Worked Rating: 5/5 🌟🌟🌟🌟🌟 "Faisal has a great personality and was a pleasure to work with. He worked independently on a project that spanned several months, worked with me to find reasonable solutions to technical challenges, and did good work on the assignments." - 600 Hours Worked Rating: 5/5 🌟🌟🌟🌟🌟 "We work with Faisal full time to work on our Django backend and he is a rare find. He is able to deliver with pretty much whatever I throw at him and is very autonomous with his work. He has extensive knowledge of full stack development and the kind of wisdom you only earn with years of experience. For our work, we get a lot of requests for API integrations. I usually just hand over the docs to Faisal and it is done in a week! Most recently, Faisal helped us to build a full subscription system for our SaaS web app and migrate all of our free users to be placed on a trial system. It was a big job with a lot of moving parts but Faisal was able to deliver, as usual!" - 633 Hours Worked Rating: 5/5 🌟🌟🌟🌟🌟 "Faisal came in to perform a backend integration with an existing project that required domain-specific knowledge for educational contexts. He came in under his estimate and was an extremely skilled freelancer overall." 237 Hours Worked Rating: 5/5 🌟🌟🌟🌟🌟 "I enjoyed working with Faisal. He completed the work as described and was very thorough in his work." Rating: 5/5 🌟🌟🌟🌟🌟 ✅ Back-end: Django, REST API's, Laravel, Symfony, Microservice Architecture. ✅ Front-end: React, Redux, Vue.js, TypeScript, Material UI. ✅ Database: DynamoDB, PostgreSQL, MySQL, MongoDB. ✅ Server: AWS, Heroku, Google Cloud Platform. ✅ Amazon Web Services: EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS. ✅ Cloud: Architecture & Storage Solutions, Migrations, Automation, CI/CD, Docker / Jenkins. ✅ Coding Standard: SOLID principles, PSR coding standards.
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    Focusing primarily on Python development, I have been working with python frameworks for almost a period of three years. Analyzing different contexts and expanding my skills through different libraries and frameworks, I have been able to hone my skills and develop some quality work which I have been appreciated for. My exposure to platforms include: Cloud * AWS * GCloud * Azure Databases: * MongoDB, MySQL, Postgres, and SQLite * Python * Django REST Framework * Django * Flask * GraphQL * Payment Gateway * Restful API's * Python, Javascript * Django, Flask, Selenium, Django REST Framework for Restful APIs, Django Oscar, Fast API and Pandas. Cloud Technologies: * Docker * AWS * Digital Ocean * Nginx * Gunicorn * uwsgi * Varnish I am an avid learner and the USP's of my work include quick, easily legible, and understandable code. My focus lies on generic and modular codes that are efficient and direct. My approach to learning constantly and a passion to crave for excellence drives my motives. I strongly believe that punctuality and responsibility are the key aspects of an emerging developer and keeping this focal idea, I move forward
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The Importance of Graph Databases in an Increasingly Connected World

What are graph databases, and what specific data-related challenges are they designed to meet? Not all data is created equal—and databases have evolved to meet varying demands on data. Before we can dive into what graph databases are, we must first review the more common data technologies that are out there.

SQL, NoSQL, and the pros of each

First, we have structured data that fits neatly into the rows and columns of tables. This is the domain of relational databases, well suited to things like phone books where each entry shares the same properties. Relational databases have served as the organized brains of structured data-based software for decades, and they still play an important role. (If you’re not familiar with how relational databases work, check out our great explainer on the topic.) Relational databases are highly structured and easy to query with a language like SQL, but they have limitations when it comes to unstructured data. They’re neat, tidy, and straightforward, but they require developers and their data to be strictly structured too.

Not all data, however, is that easily organized. Unstructured data like IoT sensor data, social sharing, photos, location-based information, online activity, and usage metrics can’t be neatly broken down, which makes rigid tables out of the question. Instead, to coherently group unstructured data together, NoSQL databases trade tables for document files, which are sort of like file folders that help to categorize related data. Imagine the data for a single blog post, which contains tags, photos, edits, comments, and links, grouped together in a doc file.

NoSQL databases such as MongoDB provide fast, scalable solutions for unstructured data. PostgreSQL is another solution, a SQL database that can support more exotic data types than a purely relational database.

SQL and NoSQL database solutions work well in many scenarios. But when demands for connected data grow more complex, their efficiency can be tested. Straightforward queries and isolated data are not always what’s behind the rich, data-driven experiences we’ve come to expect—the IoT, social networking sites, location-based marketing and navigation, enterprise-grade analytics, product suggestions on eCommerce sites, etc. Interconnected, hierarchical data makes our connected world (and sometimes, our businesses) possible, and it’s not easy to pull off.

This shifts the focus from data alone to the relationships between our data. And that’s where graph databases come in.

Graph Theory: the story behind graph databases

In 1736, Swiss mathematician and engineer Leonhard Euler used graph theory to prove that there was no solution to the historic math problem Seven Bridges of Königsberg. If you’re not familiar with the problem, here’s a quick explanation: Königsberg, a city in Prussia (now Kaliningrad in Russia), is split into four parts by a river. Connecting the city are seven bridges. The problem was to come up with a walking route that would take a person across each bridge just once. It ended up being impossible, but in the process of trying to solve it, Euler came up with a simplified way of looking at it.

Euler drew attention to the fact that the graphical representation of the problem could be simplified as much as possible using only nodes and connecting lines (or graphs or edges), all without affecting the outcome of the problem. The city sections are abstracted into nodes because they don’t have any effect on the outcome, and the bridges take center stage. This gave way to a new theory—the graph theory—and subsequently, a new way of abstracting and structuring databases. The emphasis is on the relationships among the nodes, which helps to simplify connected data.

Streamlining connected data with graph databases

Abstraction and relationships are the heart of graph databases. Through this, they offer an alternative view of and methods for handling and processing complex connected information.

Let’s go back to relational databases to see how they handle connected data. As we know, relational databases consist of tables of entries connected to one another by keys. A relational database can pull related data with foreign keys, JOIN tables and operations, and map-reduce processing. The more many-to-many relationships you need, the more tables you’ll have to create, and the more JOIN operations will be necessary in a single SQL statement—data-scientist speak for complex and inefficient with lots of extra noise. It requires a ton of computing power and memory to pull off and can slow performance exponentially.

The four basics behind a graph database:

  • Nodes: The primary data elements
  • Relationships: How two nodes are connected
    • Nodes may have multiple relationships
  • Properties: Attributes of a node or of a relationship
  • Labels: How nodes are described and grouped together as sets
    • Nodes may have multiple labels
    • Labels get indexed and optimized, making it easier for them to be quickly located

Graph databases shift the focus of their data models to the relationships, which makes retrieving complex data structures much easier. By abstracting nodes and relationships into one structure, they’re a little like next-gen relational databases that put relationships above the data alone. Rather than the multistep process described above, graph databases allow developers to build sophisticated data models in a much simpler, faster way—with fewer tables, and sometimes even with only one operation.

The where and how of graph databases

The capabilities of graph databases make them perfectly suited to enterprise data, connected experiences, and data-heavy applications—think machine learning, AI, fraud detection, social media sites such as Facebook, which uses the GraphQL language to query data, and recommendation engines behind immersive sites such as Airbnb, TripAdvisor, and Amazon, to name a few. In part two, we’ll look at how social networking applications, in particular, can leverage graph databases to handle the complexity of relationships—both between people and between data.

Building a connected experience with the databases that can handle your needs requires the right skilled talent. Find graph database freelancers, Neo4j freelancers, and more great data talent on Upwork. To learn more, visit Upwork and get started on your next project!

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