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"Throughout the project, Zeffa's competence was notable. Operating at a consistently high level, she navigated through the complexities of the project effortlessly... One of the most impressive aspects of Zeffa's performance was her unwavering adherence to instructions and ability to take direction effectively. This not only ensured a smooth working relationship, it also showcased her dedication to delivering top-notch work-product." “Zeffa works to a very high standard of accuracy and professionalism in her analysis and keeps very well to deadlines whilst also responding positively and quickly to any adjustments that need to be made." "Excellent worker! She understands our intentions without having to explain everything and deliver results that exceed our expectations." "Zeffa is a very dedicated person. It was easy to communicate with her throughout the project. Looking forward to work with her again.” “Fast and effective work well done!” “Job well done with impressive professionalism.” “Zeffa provides excellent research into technical subjects. Her educational background is impressive and no doubt helps her tackle such subjects. We'll be happy to work with her again.” ------------------------------------ Thank you for visiting my profile! I hope the above feedbacks on my services allow you to trust me with your project. I am a full-time freelancer, graduated with a Master of Science degree in Environmental Science and a Bachelor of Engineering degree in Chemical Engineering. I specialize in: ✅ Web Research (General Research, Topic Research, Scientific Research) ✅ Academic and Literature Research (Environment, Engineering, Science, Economy, etc) ✅ Market Research (Competitor Research, Competitive Analysis, etc) ✅ Data Analysis and Visualization (Statistics, Quality Assurance, etc) ✅ Data Entry and Extraction (Automated Data Mining, Data Cleaning, Manual Entry) ✅ Business Development ✅ Etc. If you're looking for a dedicated freelancer to elaborate ideas and complete your projects, I'd be happy to work with you. You just have to invite me to your project and get in touch with me. I'm looking forward to hear from you!

🌟 Top Rated Plus | GIS & Remote Sensing Expert | WebGIS Developer | Hydrologist | Data Scientist 🌟 Looking for an expert in GIS, Remote Sensing, Hydrology, or Geomatics to elevate your project? You’re in the right place! With 8+ years of experience and a Top Rated Plus badge, I deliver high-precision, data-driven solutions for mapping, spatial analysis, and WebGIS development. Why Work With Me? ✅ Comprehensive Expertise – Digital Mapping, LiDAR & Terrestrial Survey, Photogrammetry, 3D Modeling, Web & Mobile GIS Development. ✅ Proven Success – Trusted by global clients for accurate, high-quality results. ✅ Cutting-Edge Tech Stack – Proficient in industry-leading tools from ArcGIS & QGIS to TensorFlow & Google Earth Engine. ✅ Web & App Development – Building custom WebGIS solutions with React, Node.js, and Mapbox. ✅ Client-Centric Approach – Tailored solutions, seamless communication, and expert guidance for your unique needs. 🔹 Tech Stack & Software Expertise - GIS & WebGIS: ArcGIS Online, QGIS, Leaflet, Mapbox, OpenLayers, Google Maps API - Remote Sensing: ENVI, ERDAS Imagine, Google Earth Pro, SAS Planet - 3D Modeling & Geomatics: Trimble, Global Mapper, Agisoft Metashape, Pix4D, SketchUp, Blender - Hydrology & Geology: HEC-RAS, HEC-HMS, Rockworks - Web Development: React (Frontend), React Native (Mobile Apps), Node.js (Backend) - Data Science & Geo-AI: Python (GIS Automation), PostgreSQL (PostGIS), Google Earth Engine, TensorFlow, Keras, AWS, Google Cloud Let’s build powerful GIS solutions together. Message me today to discuss your project!

Are you looking for a reliable expert to manage end-to-end survey programming, testing, and data analysis for your market research project? I’m here to help. With over 20 years of experience in the Market Research industry, I specialize in delivering data-driven insights through expert survey setup, meticulous data processing, and powerful visualization. ✅ My Core Services: - Survey Programming & Testing: Build & test surveys on tools like LimeSurvey, QuestionPro, Alchemer (SurveyGizmo), Dooblo SurveyToGo, KoboToolBox, and more. - Forms Integration / Automation : Typeform, Jotform, tally.so - Data Coding & Cleaning: Open-ended response coding, code frame development, and quality assurance. - Quantitative Analysis: Data tabulation with significance testing, cross-tabs, and detailed statistical summaries. - Visualization & Reporting: Dashboards and reports using Excel, Google Data Studio / Looker Studio, PowerPoint, and other tools. 💡 Why Clients Choose Me: ✔️ Deep expertise in quantitative survey methodologies ✔️ Fast turnaround with high attention to detail ✔️ Collaborative, responsive, and deadline-oriented ✔️ Clear communicator, experience in working with research teams worldwide Whether you need help with a one-time survey setup or an end-to-end analytics project, I bring the precision and insight your project deserves. 📩 Let’s discuss how I can bring clarity and value to your data! #MarketResearch #DataProcessing #LimeSurvey #QuestionPro #Jotform #tally.so #Typeform #Excel #Charting #SurveyData

Are you struggling with complex bot protections or messy, unstructured data? Let’s turn those roadblocks into high-quality datasets. With years of experience and 390+ successfully completed projects on Upwork, I specialize in extracting high-value data from the most challenging sources. From bypassing sophisticated anti-bot systems like Cloudflare and CAPTCHA to transforming "unscrappable" PDFs into clean, structured formats, I provide the fuel your business needs to grow. 🚀 WHY CLIENTS CHOOSE ME: ANTI-BOT MASTERY: I successfully navigate sites protected by Cloudflare, Datadome, PerimeterX, and advanced CAPTCHAs. MASSIVE SCALE: Experienced in handling millions of data points across directories, e-commerce platforms, and state-level associations. High-Fidelity PDF Conversion: Not just simple conversion—I restructure complex tables and OCR images into pixel-perfect Excel/CSV files. Business-Ready Delivery: You get data that is cleaned, validated, and ready for immediate use in your CRM or Power BI. 🛠️ Technical Toolkit: Advanced Scraping: Octoparse, Content Grabber, Visual Web Ripper. Automation & Logic: Python (Selenium/BeautifulSoup), Excel Power Query, undetected-chromedriver. Industry Expertise: E-commerce (Price monitoring), Business Directories (Lawyers, Real Estate, Schools), and State Bar Associations. ✨ What You Can Expect: Data Integrity: 100% accuracy through rigorous validation and quality control. Speed: Fast turnarounds without sacrificing data quality. Reliability: A long-term partner who understands your GMT+7 or global deadlines. Whether it’s a one-time deep-dive extraction or a recurring automation script, I’m here to make your data workflow "smoother than butter." Ready to start? Click the 'Invite' or 'Hire' button, and let’s discuss your project goals! Best Regards, Ahmad Saikhu

📢 Graduate with a major in statistics who is skilled in data analysis and interpretation of results. 📢 Experienced in academic writing in several scientific fields (Biostatistics, Education, Psychology, Economic, Healthcare, and other fields) 📢 Methods of data analysis that I am capable of performing: ✔ Descriptive Analysis, Chi-square test, ANOVA test, and t-test ✔ Regression Analysis (Multiple Regression Analysis, Binary Logistic Regression, Ordinal Logistic Regression, Multinomial Logistic Regression, Panel Data regression, and Regression with Mediation and Moderation variable) ✔ Path analysis and Structural Equation Model (SEM) using AMOS and SmartPLS ✔ Cluster Analysis (Hierarchical Clustering and non hierarchical clustering/K-means clustering) ✔ Fuzzy method and many more 📢 Data analysis software that I prefer: ✔ R ✔ SPSS ✔ E-Views ✔ AMOS and SmartPLS ✔ Minitab ✔ Excel ✔ Stata 📢 Academic writing and consultation: ✔ Thesis based on quantitative data (no qualitative data) ✔ Statistical Methods ✔ Learn SPSS or another software that I've mentioned. 📢 WHY CHOOSE ME? ✔ Responsiveness: You can reach me anytime, I have the Upwork app on my phone to make it easy to stay in contact with my client. ✔ Responsibility: Completing the work before the deadline and making it available for revision ✔ Good communication skill ❤ One of the reviews by the client: "This freelancer is very professional and meets the deadline perfectly."

I build Python automation tools that extract data and eliminate repetitive work. Over the years I've delivered 10+ web scraping and bot projects with a 5.0-job success rate, including: • Reservation bot for Resy — automated appointment booking at scale • Amazon product scraper — extracted ASIN data • PayPal invoice automation — reduced manual processing by 80% • Messicks PDF data extraction — scraped equipment data from messicks website and extracted structured data from embedded PDFs • Contact & business info extraction — extracted and consolidated contact and business information from multiple sources • Ontario MLAS cell ID hunter — built a dedicated tool to search and extract cell IDs from Ontario's Mining Lands Administration System • E-commerce data pipelines — seamless extraction from multiple platforms I also provide ongoing maintenance — websites change constantly (layout, APIs, security), which breaks scripts. I leverage AI to monitor for breakage and patch scripts proactively, so your pipeline stays running. What I work with: Python • Selenium • BeautifulSoup • Playwright • AI-assisted Monitoring • LLM Integration • Browser Automation • API Integration • Data Processing • PDF Parsing I don't just write code — I deliver working solutions that solve your real business problem, and I keep them running.