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Top freelance Data Visualization developers available to hire
Freelance Data Visualization Developer5.0 (502 reviews)
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
Freelance Data Visualization Developer4.9 (30 reviews)
Python aficionado. Loves coding and solving real challenges.
Experienced Data Science Vice President with a demonstrated history of working in the financial services industry. Skilled in Salesforce.com Development, Statistical Data Analysis, Marketing Analytics, Data Warehousing, and Apache Spark. Strong information technology professional with a Certificate in Business Analytics focused in Data Science from Indian School of Business.
If you are looking to learn about and implement machine learning, then I will be a great tutor for you.
I have helped many students understand the key concepts of machine learning, provided hands on programming lessons and assisted with coursework.
There’s nothing more rewarding than seeing my students grow in confidence and ability, and I’m excited to be a part of your journey.
Freelance Data Visualization Developer5.0 (1 reviews)
**About Me 👋**
**Senior Full-Stack Engineer | React + TypeScript, Node + AWS | AI/LLM, Real-time Dashboards, Electron + Tauri**
I build products that are too complex for a generalist team: web apps with live data, AI and LLM features, HIPAA healthcare software, desktop apps that talk to hardware, and the cloud setup to run it all. 40+ projects shipped across healthcare, fintech, cybersecurity, real estate, logistics, robotics, and agriculture for clients in 10 countries, mostly the US, UK, and Germany. I take a product from idea to production, or join an existing codebase and get it shipping again.
**Specialization 1: Full stack web (React, Next.js, Node.js, FastAPI)**
SaaS platforms, customer portals, admin dashboards, and REST and GraphQL APIs on PostgreSQL. Most of my time goes into data-heavy interfaces: ECharts and D3 dashboards, force-directed graphs, choropleth maps, candlestick and footprint charts, and live updates over WebSockets. I maintain a 43-component React visualization library and keep charts responsive at 50k+ points by moving work into Web Workers.
**Specialization 2: AI and LLM integration**
LLM features in production with Claude, OpenAI, and Gemini: LangGraph agents, MCP servers, AI spreadsheet and document import, AI-drafted threat models, and a meeting assistant with live transcription. Plus Playwright scrapers and live market data pipelines into time-series databases.
**Specialization 3: Cloud and DevOps (AWS, GCP, Azure)**
Serverless backends with Lambda, DynamoDB, AppSync, API Gateway, S3, SQS, and Fargate, infrastructure as code with Terraform and Amplify Gen 2, Cognito auth, Bedrock for AI. CI/CD with GitHub Actions, Docker, Kubernetes, and cloud cost control, so the team ships features instead of babysitting servers.
**Specialization 4: Desktop apps (Electron + Tauri)**
15 desktop apps shipped for Windows, macOS, and Linux: offline-first field tools, hardware companions over serial, USB-HID, and BLE, kiosk software, screen recorders, and heavy image, video, and OCR processing. I handle the parts most people avoid: macOS notarization, Windows signing through AWS KMS, and auto-updates from S3.
How I work: a short discovery phase first, then a fixed plan. Senior hands on the code, direct communication, overlap with US and EU hours, and honest advice when a simpler solution would serve you better.
Freelance Data Visualization Developer5.0 (64 reviews)
Hi! I love Java, Python, Javascript, distributed systems, large scale systems, machine learning, natural language processing and image processing. My work has been featured on the AWS blog (https://tinyurl.com/chaosrunner), The Guardian (https://tinyurl.com/topvocab) , Billboard.com (https://tinyurl.com/topprofane) and other print/digital publications. I also own Amazon's chaos testing framework called AWSSSMChaosRunner (https://github.com/amzn/awsssmchaosrunner).
I am a Senior Engineer at Amazon's Prime Video and have worked on scaling backend systems to millions of transactions-per-second, utilising various cloud technologies and primarily working with Java, Kotlin and Javascript. This involves image/audio/text processing systems, creating & managing databases/APIs for mobile/web applications and everything in between. I have 15yrs+ experience with backend engineering, cloud tech, nlp, signal processing and image processing. I can help you with any of these topics.
I also love hackdays and have attended 20 hackdays in Europe in the last couple of years and collaborated with beginners/experienced developers on different kinds of projects.
Thanks for reading and hope to talk to you soon!
Freelance Data Visualization Developer5.0 (12 reviews)
I’m an experienced software engineer with many years in the industry, including time at Google. I have strong expertise in Java, Python, and AWS, and I enjoy solving complex problems. I focus on building the right solutions, simplifying systems, and reducing complexity and cost. I’m looking to work on projects where I can use my skills and problem-solving mindset to create efficient and scalable software.
Freelance Data Visualization Developer5.0 (158 reviews)
I’m passionate about the purpose of helping others by sharing knowledge. I like the idea of challenging myself to find data-driven solutions, either it's a practical problem in a real business or an academic problem.
I believe that because of three reasons. First, after more than a decade of experience as a small business manager, I acquired a DEEP UNDERSTANDING OF BUSINESS. Second, in that period I use to perform data analysis on my daily basis, which provides me an ADVANCED LEVEL OF MICROSOFT EXCEL spreadsheet. Lastly, as a Ph.D. student in finance, I have been developing some academic-level research skills, including an EXPERTISE IN R LANGUAGE to analyze data.
Therefore, I give my best to use my background and find a solution to your problem. If I cannot solve it, you will get a FULL refund. So, there's absolutely no risk for you. I don’t charge anything if the mentee is not satisfied.
Freelance Data Visualization Developer4.9 (317 reviews)
Hello
I have been working in the market for the past 10 years.
in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools.
Have knowledge of multiples domain areas
such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG
Freelance Data Visualization Developer5.0 (84 reviews)
Through my journey as a developer, I have 7+ years of professional experience and helped 150+ clients with their development projects across several Technologies including **Node, React, NextJS, Javascript, TypeScript, Python, C++, JAVA, Unity Game Development**.
Due to my strong understanding of Data Structures and Algorithms along with programming fundamentals, I can quickly learn any new language and concept which enables me to design and develop production-level systems.
My mantra is to enhance my knowledge with practical applications. I focus on writing simple, clean, consistent and beautiful programs by prioritizing a well-thought design to ensure that they are easier to debug and maintain.
Freelance Data Visualization Developer5.0 (76 reviews)
Embark on a transformative coding journey with me, a visionary computer science expert and a passionate mentor, bringing over two decades of rich expertise in the dynamic realms of programming, data science, and software architecture.
My technical skills span across a broad spectrum, including mastery in programming languages like Python, Java, C++, C, and Scala, along with a profound understanding of algorithms, data structures, and the complex art of software design. My research interests include big data analysis, semi-stream join algorithms, and real-time data warehousing. As a mentor, I've illuminated the path for students globally, from prestigious universities in the USA, Australia, Canada, and the UK, in a vast array of subjects from Big Data Analytics to Cyber Security, and advanced programming languages. Currently, I am a lecturer of Computer Science at a Higher Education Institute. My academic prowess is underscored by a **PhD** in Computer Science, with my doctoral thesis titled: "Integrated Real-Time Distributed Stream-Disk Processing Architecture for Unstructured Big Data". Join me on codementor, where together, we'll navigate the intricacies of technology, unleashing the potential to innovate, solve real-world problems, and excel in your programming career.
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Frequently asked questions
How long do Data Visualization projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Data Visualization project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Data Visualization request on Codementor, check out our article.
How much does it cost to hire a freelance Data Visualization developer?
We don’t charge anything when you post a freelance hiring request for Data Visualization developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Data Visualization developers different?
We do a comprehensive technical and communications screen of all Data Visualization developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Data Visualization developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Data Visualization project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.
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