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Freelance R Developer - Olajide Olanrewaju
Freelance R Developer5.0 (351 reviews)
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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance R Developer - Opeoluwa Lanre
Freelance R Developer5.0 (175 reviews)

A full-stack software engineer passionate about crafting scalable, high-performing web solutions. With a strong focus on appealing user interfaces, efficient software design, and outstanding online platforms, I leverage my tech stack to build exceptional products. I thrive on collaborating with other talented engineers to deliver quick and effective solutions.

Freelance R Developer - Kafil Ahmed
Freelance R Developer5.0 (9 reviews)

Senior BI/Data Analytics Consultant, a committed software engineer who seeks to develop elegant solutions to business challenges. My driving force is the passion that pushes me to seek new heights and keep learning the latest ideas, platforms, frameworks, tools, and best practices. I believe in a world of personal and professional growth for all of us and in this spirit, I am always ready to learn and offer to share my expertise as a mentor and a Codementor.

Freelance R Developer - Priyanka Goel
Freelance R Developer

Passionate teacher and mentor with over 6 years of professional experience. I have done Ph.D. in Mathematics and a certificate diploma in Data science. My expertise areas are - Python, R, Tensorflow, Tableau, Superset, ETL tools, Discrete Mathematics, and Modelling. My strength is my way of interacting with my students and helping them in solving their doubts and problems. Since I am following my passion in my carer, I aspire to help more people on this platform as well.

Freelance R Developer - Mark Nyon
Freelance R Developer5.0 (10 reviews)

I’m a Technical Lead and Full-Stack Developer with 17+ years of experience delivering robust web applications and SaaS platforms. I have led engineering teams through complex projects, balancing hands-on development with mentoring and process improvements to consistently meet aggressive deadlines. Notably, I helped scale infrastructure and improve performance for SaaS products used by tens of thousands of users. I excel at driving feature delivery end-to-end—whether implementing APIs, optimizing workflows, or guiding teams—as a dependable executor and problem solver.

Freelance R Developer - Abhilash Raj
Freelance R Developer5.0 (6 reviews)

**I’m an IT professional with 8 years of experience, currently specializing in AI, Machine Learning, and Python development.** My teaching philosophy is simple: understand where my students are starting from, then create a personalized roadmap to get them to their goal—whether it’s mastering Python basics or building real-world AI solutions. I started teaching informally to friends at a young age, and over the years, it became a passion. Today, alongside my role as an ML engineer, I have mentored over 100 professionals and students in Python, Data Science, and Machine Learning, including 4+ years as a part-time mentor for Great Learning. In my industry work, I’ve built and deployed solutions across Generative AI, Retrieval-Augmented Generation (RAG), computer vision, automation, and large-scale data engineering. My technical expertise spans Python, Unix Shell scripting, SQL, NoSQL, CI/CD pipelines, and frameworks like FastAPI and Flask. I’ve also developed hybrid automation solutions that integrate Python with Bash scripting for ETL, data migration, monitoring, and analytics. **What you can expect from me as a mentor:** * Clear, structured lessons—customized to your pace and background * Real-world coding practices from enterprise-grade projects * In-depth AI/ML concepts explained from scratch * Doubt-clearing sessions before every new topic * Practical examples connecting theory to implementation If you’re looking to build strong Python foundations, dive into AI/ML, or solve real-world automation problems, I’d love to guide you every step of the way.

Freelance R Developer - Syed Rehan Ali
Freelance R Developer5.0 (244 reviews)

I am a Business Intelligence Consultant and Coach with over 20 years of experience in managing operations and implementing data-driven projects across multiple industries. My expertise spans Power BI, Tableau, Looker, business intelligence, project management, data analytics, and process optimization, ensuring organizations can leverage data for smarter decision-making. ➡️ CERTIFICATIONS: ♦ Microsoft Certified: Power BI Data Analyst ♦ Project Management Professional (PMP) ♦ Six Sigma Green Belt ♦ Scrum Master ♦ Scrum Product Owner ➡️ EXPERTISE IN: ♦ Power BI – Integrating, preparing, modeling, visualizing, analyzing, securing, and distributing data ♦ Business Intelligence – Data-driven insights, reporting, and automation ♦ Project Management – Waterfall & Agile methodologies ♦ Lean Six Sigma – Process optimization and efficiency improvements ♦ Data Mining – Extracting, transforming, and analyzing large datasets ♦ Dashboard Design – Creating interactive, real-time analytics solutions ➡️ TOOLS & TECHNOLOGIES: ♦ Power BI Desktop, Power BI Service, Power BI Report Server ♦ Microsoft Excel & Power Query ♦ SQL Server – Data connections & queries ♦ DAX for Big Data – Advanced calculations & analytics ♦ R Script & RStudio – Statistical analysis & predictive modeling ♦ RapidMiner – Machine learning & data mining ♦ Data Integration – Connecting, extracting, cleaning, and organizing data from various sources, including Google ♦ Automation – Streamlining workflows with Power BI dashboards and reporting solutions Power BI Portfolio & Blog 🔹 Power BI Samples: https://links.edds.com.pk/powerbi-samples 🔹 Power BI Blog Posts: https://www.edds.com.pk/category/blog/bi/microsoft-power-bi/ 📌 Long-Term Engagement Terms: https://1drv.ms/b/s!AkmOjWjLHddxhKVBJj0rfUcTPGZ2gw?e=11z3SG

Freelance R Developer - Max Epstein
Freelance R Developer5.0 (30 reviews)

Machine Learning Engineer & Data Scientist. Advanced user of the Python libraries for data processing, predictive models, and visualization. AWS ML Specialty Certified. Passionate about elegant code, automation, and model explainability. And recently (past year), most interested and active in NLP and LLM applications, especially: \* custom document parsing/informatoin extraction, \* neural/hybrid search and \* Retrieval Augmented Generation (RAG) systems (e.g. chatbots informed by neural/hybrid search to reduce hallucination) on custom/private document sets. Highly adept at optimizing speed/performance of python data science workloads via just-in-time compilation strategies (numba, pypy, or even sometimes a rewrite in Julia), or horizontal scaling to distributed compute on cloud infrastructure. Though honestly that step is needed less frequently than most clients seem to expect; usually optimizing for code clarity, safety, and development iteration speed proves more valuable in my experience. Look forward to hearing from you if you have something that I'd find interesting and fun to work on.

Freelance R Developer - Flavia Rius
Freelance R Developer5.0 (130 reviews)

I am a data scientist in the genomics area, and I hold a PhD degree in Epigenomics, a field of Bioinformatics. I love to teach and pass along knowledge! **R** and **bash** are my main languages, and I work with data analysis, statistics, and bioinformatics. Under the bioinformatics umbrella, my areas of expertise are: - **Transcriptomics** (RNA-seq and Affymetrix microarray); - **Population genomics** (GWAS) - **DNA methylation sequencing** (ERRBS and Infinium methylation); Blog: [flaviaerius.com](http://flaviaerius.com) [**Understand Linear Regression Results in R**](https://flaviaerius.netlify.app/posts/linear-regression-coefs/) [**Stuck in an error message? Let me help you fix it!**](https://flaviaerius.netlify.app/2022/06/14/tips-to-fix-programming-error/) [**7 tips for academic researchers on their way to Data Science**](https://flaviaerius.netlify.app/2022/08/10/7-tips-for-academic-researchers-on-their-way-to-data-science/)

Freelance R Developer - Augustine Francis
Freelance R Developer5.0 (40 reviews)

Hello there, I've completed **30+ jobs** and about **82+ sessions** ranging from website and web app development with React, Next.js, Python programming, and Threejs, to Artificial Intelligence, Blockchain, and Cybersecurity. I work in an agile environment and communicate my thoughts and work. I've also maintained a 5.0 Star Review throughout my time at Codementor.

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Frequently asked questions

How long do R 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 R 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 R request on Codementor, check out our article.

How much does it cost to hire a freelance R developer?

We don’t charge anything when you post a freelance hiring request for R 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 R developers different?

We do a comprehensive technical and communications screen of all R 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 R 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 R 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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