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Rating is 4.7 out of 5.
4.7/5
based on 288 client reviews
  2. Development & IT Talent
  3. Back-End Developers
  4. (Current) Neo4j Developers
  • $130 hourly

    • 4.9/5
    • (15 jobs)
    AWS cloud architect and data engineer with 6+ years expertise in application development, data engineering, data modeling, data & machine learning pipelines, serverless applications, cloud engineering, ETL/ELT and applied Artificial Intelligence solutions. I have worked in a wide variety of domains including LLM application development, web analytics, genomics, cybersecurity, advertising, social media, and natural language processing (NLP). Services: * Cloud-hosted application development & implementation * AWS Solutions Architecture * AI & LLM applications * Software engineering * Python package development * Consultation & Auditing * Unit & Integration testing * Documentation Programming languages: * Python * TypeScript * SQL * Bash * Makefile * Cypher Databases, Data Warehouses & Storage: * PostgreSQL & MySQL (RDS, Aurora & Docker hosted) * Hadoop/Hive/PrestoDB on AWS S3 (using AWS Athena) * Snowflake * Neo4j * Kafka * DynamoDB * Weaviate & other vector databases * Redshift * DataBricks AWS Services & APIs: * Athena * Batch * CDK * CloudFormation * CloudFront * CloudWatch * CodeBuild * CodeDeploy * CodePipeline * DataSync * DataPipeline * DynamoDB * EC2 * ECS & Fargate * ECR * EFS * EMR, EMR Studio & EMR Serverless * OpenSearch (formerly AWS Elasticsearch) * Glue * IAM * Kinesis * Kinesis * Lambda * Neptune * RDS * Redshift * S3 * SQS * SSM * SNS * StepFunctions * Systems Manager * VPC & Networking Libraries & Frameworks: * CDK for TypeScript & Python * CloudFormation * AWS Serverless Application Model (SAM) * Pytest & Unittest * Apache Spark (pyspark) * pandas, polars * DSPy * Docker * Sphinx Documentation * PyTorch * Hugging Face transformers * scikit-learn * dbt Models: * Ollama models & Modelfiles for custom models * Chatbot & Large Language Model (LLM) powered application development using OpenAI and Anthropic APIs * OpenAI Whisper for audio transcription * Other models offered by Hugging Face's transformer's library My GitHub profile includes the following work: * gfe-db: Genomics data pipeline using AWS StepFunctions and Batch to build and load alleles into a Neo4j graph database running on EC2 and served through a public API for clinicians and researchers. * serverless-streaming-reddit-pipeline: Infinitely scalable serverless data mining app built on Lambda, SNS/SQS, Kinesis Firehose, S3, Glue, and Athena, capable of rapidly ingesting gigabytes of parquet data. * aws-open-data-registry-neural-search: Semantic search application of AWS Open Data Registry datasets using the Weaviate vector database. Vector databases store embeddings of records in addition to the records themselves for rapid topic modeling, Q&A search, NER and similarity searches for images, text or both using CLIP. (Work in progress as of December 2022). * aws-cdk-ec2-weaviate: CDK application to deploy a Weaviate instance on an EC2 instance. Configures Weaviate to use text2vec-transformers and sentence-transformers-multi-qa-MiniLM-L6-cos-v1 for text2vec. * emr-managed-scaling-cluster: Automated CloudFormation deployment of an EMR cluster with managed scaling policy for large workloads. Basic configuration deploys Hadoop, Hive, and Spark applications and can be configured for Flink, MXNet, Pig, Tensorflow, Delta Lake, Hudi, Iceberg and Presto. Can be combined with EMR Studio for a highly capable analytics & ETL development environment. * emr-studio: Deploy an EMR Studio environment using CDK TypeScript. Useful for organizations needing a development environment backed by an EMR cluster for analyzing large volumes of data with Jupyter Notebook (also see emr-managed-scaling-cluster). * aws-getting-started-opensearch: CloudFormation deployment following the AWS documentation tutorial for OpenSearch. Can be used as a starting point to get an OpenSearch domain up and running. * neo4j-titanic: Demonstration data pipeline to load the Titanic dataset into the Neo4j graph database. Certifications held: AWS DevOps Professional - Validation number 4115382bda3f421cafede0d8cc11b02a (1/2025 - 1/2028) AWS Developer Associate - Credential ID 00WR156CTN1EQG54 (1/2023 - 1/2026) AWS SysOps Administrator Associate - Credential ID JNX5EPN1ZM14QDCE 1/2023 - 1/2026) AWS Solutions Architect Associate - Credential ID ELY44WSCFEQQ1G5M (11/2019 - 11/2022)
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Data Scraping
    AWS Lambda
    Database Design
    Bash Programming
    Docker
    Database Architecture
    AWS CloudFormation
    PySpark
    AWS Glue
    Serverless Computing
    Amazon S3
    ETL Pipeline
    SQL
    Python
    Apache Spark
  • $50 hourly

    • 5.0/5
    • (58 jobs)
    I'm a Neo4j Certified Professional and experienced software engineer with a passion for leveraging graph databases to solve complex problems. With 8+ 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 Neo4j
    Amazon Web Services
    Database Modeling
    Django
    API
    Knowledge Graph
    Cypher
    GraphQL
    Web Development
    Graph Database
    JavaScript
    Database Optimization
    Database Maintenance
    Python
  • $35 hourly

    • 5.0/5
    • (27 jobs)
    "Ready to fuel your business growth and solve software engineering challenges!" 👉 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 Full Stack Developer with over 𝟭𝟬 𝘆𝗲𝗮𝗿𝘀 of experience. My experiences ranges from developing 𝗾𝘂𝗶𝗰𝗸 𝗠𝗩𝗣𝘀 to 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 with cross-functional team. Moreover, I have extensive experience in 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁, 𝗗𝗲𝘃𝗢𝗽𝘀 𝗮𝗻𝗱 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻. 𝗠𝘆 𝗦𝗸𝗶𝗹𝗹𝘀 👇👇 - Front-end: HTML5, CSS3, JavaScript (ES6 - ES Next), LESS, SASS, Stylus Angular, React, Vue, Svelte Material Framework, Materialize, Semantic UI, Foundation CSS, Bootstrap - Back-end: Node, Express, Hapi, Nest APIs, Restful APIs, GraphQL, TypeScript, Python, Django, Flask Rust, Rocket, Actix MongoDB, MySQL, Redis, SQLite, Java, RoR, Elasticsearch, Apache - Cloud: AWS, Azure, GCP My area of 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 is as follows 💻 Web Apps, worked with multiple startups, SMEs and Enterprises to cater their complex requirements. ☁️ Cloud Specialist, help clients reduce the cloud cost by 35% and deploy their system securely. 🔎 Software Architecture, I've helped enterprises kickstart their development seamlessly. 🔮 MVPs, from choosing the right tech stack to getting it pitch ready, I take product ownership. My work philosophy is simple - Ethical Professionalism with Perfection and Affordability Looking forward to working with you, 🙂
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    AWS OpsWorks
    Software Architecture & Design
    NoSQL Database
    Cloud Computing
    RESTful API
    PostgreSQL
    JavaScript
    Vue.js
    MySQL
    GraphQL
    CSS
    Node.js
    SQL
    MongoDB
  • $25 hourly

    • 4.6/5
    • (90 jobs)
    HI CLIENT, I LOVE TO WORK WITH PEOPLE AND CREATE COMFORT CONDITIONS Experienced Data Scientist with a Master’s degree in Economic Cybernetics, specializing in cutting-edge machine learning, artificial intelligence, and graph-based technologies. My passion lies in creating innovative solutions that leverage data to drive actionable insights and improve business outcomes. What I Offer: Advanced Algorithm Development: I feel strong in building algorithms that push the boundaries of traditional analytics. With a strong foundation in graph neural networks and machine learning, I can develop models that the world has never seen before. Data Structuring and Clarity: When you're ready to enhance the structure and clarity of your data, I can integrate GA4 and GTM to provide a comprehensive view of your client flow and improve data accuracy. Predictive Analytics and AI: My expertise in machine learning and AI enables me to provide forecasts and predictive models that can anticipate future trends and partner behaviors. I focus on understanding complex patterns and anomalies to offer valuable insights. Graph Database Solutions with Neo4j: As an active proponent of Neo4j, I can handle a wide range of tasks including: Installation and configuration on various platforms (Linux, Windows, Mac, AWS) Creating and managing knowledge graphs from diverse text documents Migrating data from CSV files using Cypher queries Performing complex queries and data analysis, including finding shortest and cheapest paths, and identifying popular nodes Developing applications such as social networks and fraud detection systems Statistical Analysis and Data Science Expertise: Proficient in multi-variable regression, Monte Carlo simulations, and statistical characterization of time series data. I can help you identify trends, predict future values, and prioritize work based on common property characteristics. Why Choose Me: Innovative Thinking: I am driven by the challenge of solving complex problems and providing innovative solutions that make a difference. Collaborative Approach: I love working with people and creating comfortable conditions that foster effective collaboration and communication. Proven Track Record: My background includes successful projects ranging from social networks for stock trading to cyber security fraud detection systems. If you are looking to bring more structure to your data, build advanced algorithms, or leverage Neo4j for your graph-based projects, I am here to help. Let’s discuss how my expertise can contribute to your project’s success! Looking forward to the opportunity to work with you. Best regards, Konstantin. Skills: Graph Neural Networks Neo4j & APOC Functions Machine Learning (TensorFlow, PyTorch) Data Science Libraries (Pandas, NumPy, Scikit-learn) Creating Knowledge Graph (with RAG, GenAI) GA4 & GTM Integration Predictive Analytics Statistical Analysis Multi-variable Regression Monte Carlo Simulations Data Visualization (Matplotlib, Seaborn, Plotly)
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    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
  • $30 hourly

    • 5.0/5
    • (7 jobs)
    Experienced in Data Analytics/Engineering with a demonstrated history of working in the industry, at the companies Huawei, Eskolare, Folha de S. Paulo, Join Analytics and LGG Advisors, participating in Data projects at companies around America, Europe and Asia managing and creating databases, also participated and won hackathons during my journey. Skilled in technology tools like Python, Grafana, SQL, Django, Docker, MongoDB, Apache Airflow, Neo4j, Pandas, OpenAI, Kafka, Jupyter Notebook and many others. Professional with a Bachelor's degree focused in Business Administration and Management from Universidade Presbiteriana Mackenzie and Master's degree in Big Data & Decision Making from ISEP University. AI, Blockchain and Web3 enthusiastic.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Grafana
    Project Workflows
    Knowledge Graph
    Data Management
    NoSQL Database
    Cypher
    Data Modeling
    Graph Database
    GitHub
    SQL
    Python
    PostgreSQL
    Data Analysis
    pandas
  • $40 hourly

    • 4.9/5
    • (42 jobs)
    I have 6 years of experience in Mobile/Web Development and can deliver your project on time meeting all your expectations. Below please find the area of my expertise. Back End Development - Node.js - PHP - Java Spring - Ruby on Rails - Databases - Neo4j, MySQL, PostgreSQL, MongoDB Front End Development - iOS/Android Native - Swift, Objective-C, Java - Web - Javascript, Angular, jQuery I have good communication skills and English knowledge. That helps me to set right expectations on both ends for project/customer success. Other than the aforementioned skills, I'm able to learn new programming languages/frameworks very easily, as well as adapt my coding style based on your requirements. Please contact me to discuss your project in detail and determine how my skills will positively contribute to achieving your business goals effectively.
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    Android App Development
    Cocoa API
    iOS Development
    Objective-C
    Swift
    Node.js
    JavaScript
    Python
    PHP
  • $50 hourly

    • 5.0/5
    • (61 jobs)
    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 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 Golang, Python, 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: Databrics, Amazon AWS, EC2, S3, RDS, Docker, Git, Composer Basic working knowledge of: ArangoDB, TigerGraph, Golang, Blockchain, Solidity, Smart Contracts
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    NodeJS Framework
    Data Modeling
    Magento
    Golang
    CSS 3
    HTML5
    Web Development
    Database Modeling
    Graph Database
    NoSQL Database
    PHP
    Laravel
    OrientDB
    Python
    MySQL
  • $45 hourly

    • 4.6/5
    • (66 jobs)
    Professional software developer with 10+ years of experience in Mobile development, Web Development, and Machine Learning. 🏆 Applications I have created were mentioned by TechCrunch, LifeHacker, LA Times, The Washington Post, 9to5Mac, and others. On average, apps I made are used by 1,000,000+ people each month. My primary goal is to build applications that will help your business grow. I don't just develop an app, but I always help you with every stage of software development: ✅ figuring out the best architecture so the project will easily scale when you have more users; ✅ developing an app, testing it, and making sure users won't have any problems when using the final product; ✅ choosing the best tools for analytics, testing, marketing, reporting, and more; ✅ help with release, and making sure Apple or Google won't reject it after the review; ✅ post-release maintenance and support; ✅ help with growing the app, finding new ways to attract more users and increase revenue; ✅ and much, much more. As a developer, I mainly focus on: - Mobile Development (Flutter, React Native, Swift); - Backed Development (Node.js, Django, Ruby on Rails) - Frontend Development (React, Angular, Ember, Flutter) Less frequent: - Machine Learning (TensorFlow, PyTorch) - Desktop Development (Python, QT, Flutter) If you need to develop softwre that users will love - just let me know!
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Back-End Development
    Django
    Ember.js
    Front-End Development
    Android SDK
    iOS SDK
    iOS Development
    React
    Swift
    Mobile App Development
    Objective-C
    Node.js
    React Native
    RubyMotion
    Flutter
    Android App Development
    Hybrid App Development
  • $10 hourly

    • 4.8/5
    • (60 jobs)
    I started coding in 2012, using Neo4j since 2016. I can deploy Neo4J GraphQL API's written in Node.js - to Azure, AWS Lambda, Vercel, Google Cloud, Netlify or Heroku and written in Python - to Azure, AWS Lambda, Vercel or Heroku. I'm good at generating graphql schema from existing database and using Apollo to interact with the resulting API, also I can represent graph data in forms or visualize the response in canvas with Cytoscape.js or 3d-force-graph.js. I have experience of migration applications from neo4j-graphql-js to @neo4j/graphql.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    FFmpeg
    Data Visualization
    API
    Google Chrome Extension
    MeteorJS
    MongoDB
    Vector Database
    LangChain
    Python
    FastAPI
    React
    JavaScript
    Node.js
    GraphQL
  • $10 hourly

    • 5.0/5
    • (2 jobs)
    I'm a seasoned Full Stack Developer specializing in MERN technologies, with extensive experience in both SQL and NoSQL databases, and AWS cloud services. Over the past 5 years, I've helped transform ideas into high-performing, scalable web applications for a variety of industries. My commitment is to deliver robust, efficient, and user-friendly solutions tailored to meet the unique needs of each client. Whether you need a complex web application, database optimization, or cloud infrastructure setup, I'm here to help you achieve your business goals.
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    PostgreSQL
    Amazon DynamoDB
    React
    MongoDB
    JavaScript
    SQL
    Node.js
  • $30 hourly

    • 4.9/5
    • (30 jobs)
    👋 **Skilled Frontend Developer at Your Service!** 👨‍💻 Are you searching for a frontend wizard to craft dynamic, efficient, and data-driven web applications? 🌐✨ Look no further! With over 6 years of solid experience in frontend development, I possess the expertise to build high-performing web applications using an array of programming languages and frontend frameworks, including Angular, React, Next.js, and Vue.js. 🚀 In addition to my core skills, I'm also a seasoned pro in D3.js, the go-to data visualization library for creating mesmerizing and interactive data visualizations in web applications. 📈 Furthermore, I wield Microsoft Power BI with finesse, a potent business intelligence tool that empowers businesses to derive insights and make informed decisions. 💡 My toolkit includes: - Proficiency in JavaScript, TypeScript, and the art of HTML/CSS 🎨 - In-depth knowledge of frontend frameworks, encompassing Angular, React, Next.js, and Vue.js 🖥️ - Expertise in crafting captivating data visualizations using D3.js 📊 - Building responsive and intuitive user interfaces that users adore ❤️ - Seamlessly integrating RESTful APIs with frontend applications for smooth performance 💼 - Navigating modern frontend development tools like webpack, Babel, and npm with ease 🛠️ - Mastering version control systems, such as Git, to keep everything in harmony 🎵 - Strong communication and collaboration skills for effective teamwork 🤝 Relying on my adaptability and wealth of experience, I assure you of top-notch deliverables. 🏆 So, if you have Front End Development projects, let's join forces! Feel free to contact me, and let the magic begin! 🎩💫 Looking forward to embarking on this exciting journey together. Thanks for your time and consideration, Ketan Jani
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Chart.js
    DevExpress
    Microsoft Power BI
    Angular 10
    Angular 6
    Highcharts
    Data Visualization
    TypeScript
    Tailwind CSS
    JavaScript
    D3.js
    Angular
    Kendo UI
    Vue.js
    AngularJS
  • $60 hourly

    • 5.0/5
    • (28 jobs)
    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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    Data Management
    Database Design
    GraphQL
    Scala
    Golang
    PostgreSQL
    Data Scraping
    MySQL
    ETL Pipeline
    Apache Spark
    Python
    SQL
  • $40 hourly

    • 5.0/5
    • (102 jobs)
    Hello. My field is Software Development and Database Design. I have learned several tech stacks that included : - AWS serverless backend (Lambda, API Gateway, EC2, S3, ECS, ECR, RDS/Aurora, Redshift, DynamoDB, SNS, SQS, OpenSearch, CodeCommit/CodeBuild/CodePipeline, Transcribe, Comprehend, Textract, Cognito, Systems Manager) with Node.js/Typescript/CDK/aws-sdk, Python/boto3, Serverless (sls); - MVC development (Python / Flask / Django); - data processing (specializing in the OCR and automatic processing of PDF files); - data visualization (Dash, PyQt); - API for DocuSign, Pipedrive, UPS, FedEx, QuickBooks, SimilarWeb; - Jenkins, CircleCI. I am an experienced computer Analyst in various applications. I have experience in the use of technology for +15 years. I am very flexible in working time and communications I'm hearing about your response. Regards, Michael
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Amazon S3
    Amazon Web Services
    PDF Conversion
    Amazon ECS
    Node.js
    RESTful API
    Data Mining
    API
    DevOps
    Django
    DocuSign
    AWS Lambda
    JavaScript
    Python
  • $78 hourly

    • 5.0/5
    • (8 jobs)
    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)
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    Cypher
    Data Model
    Java
    Graph Database
    Apache Hive
    Big Data
    Apache Hadoop
    Apache Spark
    Spring Data Neo4j
    Data Lake
    Amazon Web Services
    Database Design
  • $60 hourly

    • 5.0/5
    • (14 jobs)
    -5 years of experience as back-end Java developer -Neo4j Certified Professional - Worked on several Java projects. - Comfortable with Spring, Tomcat and Vertx frameworks -Worked with PostgreSQL, MySQL and Neo4j graph database. -Worked with Docker, Git -Worked with aws: ec2,s3, lambda -Worked with Sellenium and Jenkins for testing purpose. -Worked with iaik and bouncyCastle security libraries -Worked with Thales HSM hardware. -Created scripts in bash and python. -Good knowledge of English -Excellent problem-solving skills -Strong analytical skills -Quick learner -Eager to learn new technologies. -Able to work under pressure and tight schedule
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    Apache Kafka
    Elasticsearch
    API
    RESTful API
    Vert.x
    Spring MVC
    Python Script
    Bash Programming
    Java
    PostgreSQL
    MySQL
  • $15 hourly

    • 5.0/5
    • (5 jobs)
    Welcome to a realm of over 10+ years of mastery in Product Engineering Services and Information Technology. I specialize in crafting Scalable Products, OpenSource Customization, Web Services, IoT platforms, Blockchain and Cloud Services. My expertise spans progressive technologies like Python, Typescript, NodeJS ( ExpressJS, NestJS), AngularJS, ReactJS, React-Native, coupled with a penchant for test-driven coding practices and effective troubleshooting. Are you seeking a Technology expert to transform your idea into a thriving business? Look no further! At every juncture of the web development process, I bring valuable insights—from product ideation, user experience design, and architecture to development, server setup, deployment, and scaling. Expertise: * NODEJS * MONGODB * NEO4J * EXPRESS * REDIS * REST APIS * NESTJS * MONGOOSE * TYPEORM. * AWS * GCP * MICROSERVICES * MQTT * ZeroMQ * WebRTC * Socket.io * SYSTEM DESIGN * TYPESCRIPT * Unit / Integration Testing * Deployment * Prisma * SQL databases :POSGTRES / MYSQL. * Python * OOP * SOLID principles Services Offered: 🌐 API Development: Crafting robust and scalable APIs that serve as the backbone of your applications, ensuring seamless communication between frontend and backend. 🚀 Automation: Streamlining workflows and eliminating manual processes through automation, empowering your team to focus on innovation. 🔒Security: Implementing best practices for security in both backend development and DevOps processes, safeguarding your applications from potential threats. 📈 **Monitoring and Logging:** Establishing comprehensive monitoring and logging solutions to provide real-time insights into your application's performance and health. Why Choose Me? ✔ Successfully led multiple concurrent projects, ensuring quality service within tight deadlines. ✔ Proven track record of delivering in distributed remote-only environments and on-site engagements. ✔ Swift adaptability to new technologies. ✔ Impeccable research skills to master any technology swiftly. If you're ready for an unparalleled journey in tech development or have any queries, I'm here. Let's turn your challenges into successes! Feel free to reach out; your next project deserves nothing but the best.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    NestJS
    NestJS Development
    Amazon Web Services
    RESTful API
    Terraform
    AWS AppSync
    Amazon Cognito
    GraphQL
    Amazon DynamoDB
    AWS Lambda
    Blockchain
    MongoDB
    Node.js
    WebRTC
  • $110 hourly

    • 5.0/5
    • (121 jobs)
    Welcome to my profile! With over 7 years of experience as a dedicated Data Visualization Engineer, I am fueled by a passion for crafting intricate, exceptional, and captivating visualizations that bring data to life. My expertise lies in creating intricate visual narratives that enable in-depth data analysis and dynamic presentation. My services encompass a range of offerings tailored to your needs: 📊 Beautiful and Unique Data Visualizations: I specialize in crafting data visualizations that stand out through their creativity, complexity, and inherent beauty. 🗺️ Geographical Visualizations: My expertise extends to the realm of geographical visualizations, where I proficiently develop both world and country-level maps that intricately display data patterns and insights. 🎨 Pixel-Perfect HTML/CSS Integration: Seamlessly integrating my visualizations into your projects is a forte. I ensure that the visualizations not only convey data accurately but also align flawlessly with the aesthetics of your project. 📈 Reusable and Embedded Charts/Infographics: I believe in efficiency, and hence, I create visualizations that are not only visually appealing but also readily reusable and embeddable across various platforms. 🔧 Skillset Highlights: Visualization Tools: D3.js, AmCharts, Vega, Mapbox, Leaflet, DeckGL, JavaScript, Plotly, and more. Frontend Technologies: ReactJs, graphQL, Vue.js, HTML5, CSS, JavaScript. Backend Expertise: Node.js, Python, Flask. Database Proficiency: MongoDB, Neo4j, MySQL, SQLite, Firebase, Firestore. Whether you're seeking to elucidate complex data relationships, visualize geographic trends, or embed captivating charts and infographics, I'm here to collaboratively transform your data into a visually compelling story. Let's dive into the world of data visualization together. If you have a project or concept in mind, I encourage you to reach out. I'm enthusiastic about delving into the details and creating visualizations that exceed your expectations. Looking forward to connecting and discussing how I can assist you in making your data shine.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Git
    Visualization
    CSS 3
    Data Analysis
    Vue.js
    Mapbox
    AngularJS
    ASP.NET MVC
    C#
    Three.js
    Data Visualization
    JavaScript
    D3.js
    Python
  • $35 hourly

    • 5.0/5
    • (13 jobs)
    Hello! I'm Avinash - a senior full stack developer from India. I've over 4 years of experience in developing RESTful APIs and client libraries in Go language, and over 13 years of experience in developing software systems in different technologies. Other than Go, I'm good at: * Linux system administration * Docker, Docker Compose, Docker Swarm * PHP (Phalcon and CodeIgniter) * JQuery * VueJS (Nuxt.js, Vuetify, Element) * Git CLI (Github, Gitlab, Bitbucket) * RDBMS (MySQL, Postgres, SQLite Oracle DB) * Graph database (DGraph). I've also built Single Page Applications using VueJS. Please check the portofolio section on this page to know more. I'm comfortable working solo as well as in teams of different sizes. I've contributed to some Open Source projects. Please have a look at my github account here: github.com/utekaravinash
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    Amazon ECS
    AWS Fargate
    Linux
    Git
    Docker
    MySQL
    PostgreSQL
    RESTful API
    Golang
  • $30 hourly

    • 5.0/5
    • (6 jobs)
    Hey, I'm JD! I have over 5 years of experience writing code and building digital solutions. I've completed several projects in web and mobile app development. Recently, I delivered an app for the largest non-profit organization in my country which has over 20,000 users currently. I am a Neo4j Certified Professional with a passion for leveraging graph databases to solve complex problems and enhance user experiences. I am highly skilled in using Neo4j and its related technologies, such as APOC, Cypher, Bloom, Data Visualization, neo4j/graphql and GraphRAG. If you're looking to elevate your business with cutting-edge, world-class applications, you're in the right spot. I believe in speed, maintaining high standards for my work and over-delivering on every occasion. I bring my versatile skillset and experience in the industry to ensure that your goals are executed efficiently. I'm proficient in using the following tools and frameworks: - React - Next.js - Tailwind CSS - Chakra UI - Shadcn - Node.js - Firebase - Supabase - Neo4j - Airtable - GraphQL - Flutter - And many more I have hands-on experience delivering these specialized features: - AI Chatbot Integration - Payment Integration - Data Visualization - Audio and Video Playback - Geolocation/Map Integration - Progressive Web Apps (PWA) Thanks for taking the time to read this. One last thing… There's a reason my clients love me. It's because I get the job done right the first time, or I'll work for free until you're happy. Looking forward to connecting with you!
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    GraphQL
    MongoDB
    Cypher
    Airtable
    Firebase
    JavaScript
    Dart
    Node.js
    Next.js
    Data Analysis
    Web Development
    TypeScript
    Flutter
    React
  • $20 hourly

    • 5.0/5
    • (5 jobs)
    I am a software engineer graduated from INSAT, I've been working professionally in software engineering for 3+ years. I also have experience in product management. I specialize in Front-end and Back-end development. I am also very proficient in database modeling and administration. I am very experienced with the following technologies: .NET - neo4j - React.js - Typescript - Next.js - Web Analytics - Azure cloud services - Python - React Native - GitHub Actions - Kubernetes - Terraform- Grafana - Docker - express.js - MySQL - MongoDB - CI/CD - Nest.js
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Database Modeling
    Graph Database
    Front-End Development
    Back-End Development
    Python
    TypeScript
    Next.js
    JavaScript
    C#
    React
  • $30 hourly

    • 4.7/5
    • (13 jobs)
    With bachelor's degree in computers and hands-on experience of 11 years using Golang , Python, PHP programming languages and many databases such as MongoDB, Firestore ,SQL, Graphql, OrientDB, Postgresql, GraphQL. • Expertise in current and emerging trends and techniques. • Solid experience with golang frameworks and tools such as gorilla mux, echo,etc. • Experience writing services from scratch in Go Programming language. • Strong knowledge of microservices architecture and API strategy development. • Comfortable with databases (SQL/NoSQL) • Familiarity with modern backend deployment environments, including containers (docker), CI/CD practices. • Experience with firestore, google cloud pubsub, aws rds db. • Experience with generating swagger • Experience working with tools such as Git/GitHub. • Building apis using AWS lambda, GOA package • Experience with Redis • Experience with Test Driven Development and Unit Testing. • Experience with Unix/Linux platforms, distributed and parallel systems • Expertise in concurrent and distributed systems/web services • Strong written, verbal and interpersonal communication skills. • Familiar with cryptographic algorithms and decentralized systems • Building reusable code and libraries for future use • Design and implementation of data storage solutions • Develop technical solutions that definitively improve scalability, performance and profits
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Microservice
    Git
    RESTful API
    Apache CouchDB
    OrientDB
    Golang
    PostgreSQL
    MariaDB
    SQL
    MongoDB
    PHP
    Python
  • $25 hourly

    • 5.0/5
    • (3 jobs)
    - Python (numpy, scipy) - Scala (Akka) - R programming (ggplot2, dplyr, caret, etc) - Matlab/Octave - Neo4j (py2neo, Java API, Cypher) - ETL (Relational DB to Neo4j) - Machine learning - Scientific numerical simulations - ODEs, PDEs (linear, non-linear, etc.) - Linux server & desktop administration
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Akka
    Linux System Administration
    LaTeX
    KNIME
    Python
    Scala
    SciPy
    R
  • $38 hourly

    • 4.8/5
    • (58 jobs)
    Need web development? Look no further, you’ve come to a right place - my expertise will help you achieve your goals🚀 ✔ More than 10 years in software development. ✔ Always for efficient and stable solutions, a custom approach to each client, delivering product on time, ensuring high-quality and rigorous testing. ✔ Technologies: React | Angular | Vue.js | Node.js | MERN stack | MEAN Stack | Python | Django | Flask ✔ Domain: Healthcare | E-Commerce | Transportation&Logistics | Entertainment | Fitness | E-Learning | Insurance and Manufacturing ✔ Key facts: 🚀50+ market-winning projects completed 🎯Top B2B Service Provider in the US in 2021 💪Top-Rated Plus Upwork Premium provider ✔ Drop me the Invitation and let’s develop the Software You Benefit From! 🤝
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Database Development
    Web Application
    Laravel
    TypeScript
    Python
    MySQL
    PHP
    API Integration
    Node.js
    HTML
    CSS
    React
    Web Development
    API
    JavaScript
  • $85 hourly

    • 4.7/5
    • (50 jobs)
    Specialized in AWS Technologies and Cost Optimization. I have significant expertise in the following stacks. 1. Nginx / PHP / MySQL - Performance Optimizations, Bug Fixes 2. Golang / Angular - High throughput scalable applications 3. Laravel / PHP - Long term experience of 12 years.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Network Administration
    Database Design
    Database Maintenance
    Solution Architecture Consultation
    Web Service
    Cloud Computing
    Database
    Serverless Computing
    AWS Lambda
    Amazon Web Services
    Golang
    Amazon DynamoDB
    JavaScript
    PHP
    GraphQL
  • $30 hourly

    • 4.3/5
    • (462 jobs)
    Securing the #1 Spot as a Swift Developer on Upwork Who Partners with Me? 🌱 Startups: Fueling growth with custom mobile apps. 🏢 Enterprises: Elevating operations through advanced mobile solutions. 🔧 Tech Experts: Collaborating on challenging tech projects. 📈 Marketing & Digital Agencies: Enhancing digital presence with sleek apps. Why I Stand Out? 💻 Mobile Tech Mastery: Dedicated exclusively to mobile technologies for cutting-edge solutions. 🛠️ Technical Insight: Offering deep consultations and feasibility studies. 🔄 LEAN Principles: Streamlining development for maximum efficiency. 🎨 Pixel-Perfect Designs: Crafting visually stunning and intuitive apps. 📱 Real Device Testing: Ensuring flawless performance. 🗣️ Clear Communication: Keeping you updated at every step. 🎥 Weekly Demos: Showcasing progress and maintaining alignment with your goals. Let's talk numbers: ✅ 1040+ Jobs | US$ 6M+ Revenue ⏳ 11,640+ Hours Worked 🏆 100% Success Rate | Top Rated Badge 🔁 40%+ Repeat Clients Explore my perfect feedback on Upwork for a taste of what I can bring to your project. Let’s create something exceptional together!
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    AI App Development
    AWS Development
    iPad App Development
    SwiftUI
    In-App Purchases
    JavaScript
    SQLite
    PostgreSQL
    Kotlin
    Mobile App Development
    Swift
    React Native
    iOS Development
    Flutter
    Android App Development
  • $25 hourly

    • 5.0/5
    • (13 jobs)
    I am a hardworking programmer offering wide-ranging expertise and 4+ years of industry experience. I have background in testing, evaluating, designing, and implementing software solutions. Specializing in the Python, Java, and JavaScript programming languages. I am Able to architect, and enhance highly scalable, real-time systems, by leveraging best-in-class tools. I exercises judgment in determining and recommending designs based on business objectives, timelines, and resource constraints.
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    NodeJS Framework
    RESTful API
    Back-End Development
    WordPress
    Smartphone
    Mobile App Development
    Android App Development
    iOS Development
    Java
    Flutter
    JavaScript
    React Native
    Firebase
    React
    Node.js
  • $60 hourly

    • 4.9/5
    • (36 jobs)
    Freelance IT Specialist | Software Engineer Delivering innovative, high-performance systems for over 17 years. I'm focused on complex system development, I’ve built scalable, resilient solutions for both B2C and B2B environments. Specializing in Java, Spring Boot, Spring Cloud, Maven, PostgreSQL, MySQL, Cassandra, MongoDB, RabbitMQ, and Azure Service Bus, I also bring expertise in technologies like Docker, Dropwizard, Kafka, Zookeeper, AWS. I design architectures that handle evolving demands with ease, integrating third-party systems seamlessly. I know how to design and implement complex systems from scratch, and I excel at supporting and revamping existing (legacy) systems to breathe new life into them. I’m always eager to explore and research new software, evaluating it for potential use in optimizing solutions and driving innovation. A few things I value: Collaborative mindset: I thrive in team environments where communication, trust, and shared goals drive the project forward. My leadership style is about guiding and sharing knowledge, not controlling - empowering teams to innovate while staying focused on delivering results. Precision: I’m committed to delivering clean, maintainable code with robust documentation. From Javadocs to Confluence pages, I ensure clarity so that my work remains accessible and easy to evolve. Every part of the system is documented, covering CI/CD setups and module-specific details. Testing is my backbone: Quality control isn’t an afterthought - it’s built into every stage of development. My philosophy extends beyond unit tests, incorporating performance testing to ensure scalability under real-world conditions. Eternal learner and innovator: Technology doesn’t stand still, and neither do I. I’m constantly exploring new methodologies, frameworks, and ideas to bring fresh insights to my work. From AI-driven automation to future-proofing system architectures, I’m always on the lookout for ways to elevate what’s possible. Freelancer with passion: As a freelancer, every project excites me like it’s my first. I thrive in fast-moving environments and love collaborating with teams to create software that not only meets immediate needs but anticipates future challenges. I’m committed to delivering innovations that matter and clean code that future developers will thank me for. What sets me apart? I bring a holistic approach, ensuring systems are not just functional but scalable, adaptable, and maintainable. From designing complex microservice architectures to ensuring third-party integrations are seamless, I focus on building systems that deliver real, lasting impact. More than just code, I care about the people and businesses behind the software. The right technology can make workflows smoother, interactions richer, and systems smarter - and I’m passionate about helping bring those transformations to life. If you’re searching for someone who combines deep technical expertise with a drive for innovation and quality, I’m ready to partner with you to build the future. Let’s create something remarkable together. P.S. If you’ve made it to this line, the very end of this long read, just tell me and I’ll give you a discount for your patience!
    vsuc_fltilesrefresh_TrophyIcon Neo4j
    Oracle PLSQL
    Spring Cloud
    Requirements Specification
    Software Architecture & Design
    J2EE
    Database Modeling
    Amazon Web Services
    Microservice
    RESTful Architecture
    SQL
    Java
    MongoDB
    Spring Framework
    Spring Security
    MySQL
    Hibernate
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How to Hire Top Neo4j Developers

How to hire Neo4j specialists

Neo4j specialists can help you leverage the power of flexible, fast, and efficient graph databases for your apps. 

So how do you hire Neo4j specialists? What follows are some tips for finding top Neo4j specialists on Upwork.

How to shortlist Neo4j professionals

As you’re browsing available Neo4j consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Technology fit. You want a Neo4j specialist who understands the technologies in your application stack. 
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., using Neo4j with a Node.js-powered web app).
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular Neo4j specialist.

How to write an effective Neo4j job post

With a clear picture of your ideal Neo4j specialist in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for an independent contractor to know if they’re the right fit for the project. 

An effective Neo4j job post should include: 

  • Scope of work: From eliminating duplicate data sets to designing graph databases, list all the deliverables you’ll need. 
  • Project length: Your job post should indicate whether this is a smaller or larger project. 
  • Background: If you prefer experience with certain database technologies or developer tools, mention this here.
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Ready to streamline your database management system with Neo4j? Log in and post your Neo4j job on Upwork today.

NEO4J SPECIALISTS FAQ

What is Neo4j?

Neo4j is a graph database management system for creating ACID-compliant databases with native graph storage and processing. Instead of storing data in a static table, graph databases store the relationships between data points. This makes graph databases ideal for highly interconnected data sets and complex queries. 

Here’s a quick overview of the skills you should look for in Neo4j professionals:

  • Neo4j
  • Software development
  • Data science
  • Database management 

Why hire Neo4j specialists?

The trick to finding top Neo4j specialists is to identify your needs. Is your goal to migrate your database from relational to graph with Neo4j? Or are you trying to build an internal job recommendation engine to find the right person for a project based on known skills, positions, and certifications? 

The cost of your project will depend largely on your scope of work and the specific skills needed to bring your project to life. 

How much does it cost to hire a Neo4j specialist?

Rates can vary due to many factors, including expertise and experience, location, and market conditions.

  • An experienced Neo4j specialist may command higher fees but also work faster, have more-specialized areas of expertise, and deliver a higher-quality product.
  • A contractor who is still in the process of building a client base may price their Neo4j services more competitively. 

Which one is right for you will depend on the specifics of your project.

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