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🟢 100+ successful projects | Top Rated Plus | 10+ years of experience 🟢 I help businesses collect reliable data, automate workflows, integrate APIs, and build AI-powered systems that reduce manual work and turn messy processes into clean, scalable, production-ready solutions. I’m Sergii, Senior Automation & AI Engineer at DataOx. For 10+ years, we’ve helped startups, small businesses, and growing teams build custom data extraction systems, workflow automation tools, API integrations, backend platforms, data pipelines, and practical AI automation solutions. What I can help you with: • Web scraping & data extraction Custom scraping systems for websites, marketplaces, directories, eCommerce platforms, real estate platforms, job boards, online portals, social networks, and other public or structured data sources. • Data processing & data pipelines Cleaning, structuring, normalizing, transforming, and preparing data for reporting, analytics, dashboards, CRMs, databases, Google Sheets, Airtable, internal tools, or AI systems. • Workflow automation & browser automation Automation systems that replace repetitive manual work, connect tools, handle business logic, run scheduled processes, and reduce operational workload over time. • API integration & backend systems REST API integrations, third-party API connections, custom API development, backend logic, database workflows, admin panels, internal platforms, and scalable business systems. • AI automation & AI-powered tools AI agents, ChatGPT / OpenAI API integration, Claude, Gemini, AI-driven workflows, document processing, natural language interfaces, AI-generated reports, classification, extraction, and decision-making support systems. • Existing system improvement Bug fixing, refactoring, stabilization, performance improvements, error handling, documentation, feature enhancements, and long-term support for existing automation, scraping, backend, or AI systems. Typical projects we build: • Web scraping and data extraction platforms • Price monitoring and competitor monitoring tools • Lead generation and contact data collection systems • Workflow automation and process automation tools • API integrations between CRMs, databases, SaaS tools, and internal systems • AI-powered assistants, AI agents, and business automation tools • Document parsing, classification, and reporting systems • Data pipelines, ETL processes, and structured datasets • Dashboards, admin panels, and backend web applications • Google Sheets, Airtable, Telegram bot, and email automation workflows Why clients work with us: • Strong experience with similar projects • Clear understanding of technical requirements and business goals • Reliable communication and structured project delivery • Clean, maintainable, and scalable architecture • Strong problem-solving approach • Ability to handle changing requirements and real-world edge cases • Production-ready solutions with error handling and clear documentation • Long-term support after the first version is delivered Tech stack and tools: Python, Java, FastAPI, Django, Spring Boot, PostgreSQL, MySQL, MongoDB, REST APIs, Selenium, Playwright, Scrapy, BeautifulSoup, Pandas, ETL pipelines, cloud services, OpenAI API, ChatGPT, Claude, Gemini, Google Sheets API, Airtable API, CRM APIs, payment APIs, and custom backend systems. I work best with clients who need more than just a quick script. If you need an experienced developer or technical partner who can understand the goal, clarify the scope, build a reliable solution, and support it over time, I can help. Send me a message with your project details, data sources, tools, API requirements, or current workflow, and I’ll help you define the best technical approach.

🌟 Statistical Data Analysis | EDA | PCA | Hypothesis Testing | Data Preprocessing and Cleaning | T-tests | ANOVA | Chi-square Test | Linear Regression | Correlation Analysis | Multivariate Analysis | Time Series Analysis | Machine Learning Models 🌟 Hi! I’m Muhammad Owais Khan, a data science expert with over four years of experience turning complex data into actionable business insights. I specialize in data analysis, machine learning, statistical modeling, and data visualization using Python, R, and other industry-standard tools (SPSS, STATA, Microsoft Excel, etc.). 💡 What I Can Help You With 🌟 Data Analysis & Visualization: I am adept at turning raw data into visually compelling stories. Using advanced visualization libraries such as Python’s Matplotlib and Seaborn, as well as R’s ggplot2, I create insightful visuals that reveal trends, outliers, and patterns critical for informed decision-making. My expertise extends to creating dynamic dashboards in MS Excel, allowing for interactive data exploration and immediate insight generation. 🌟 Data Cleaning & Wrangling: I expertly preprocess data using the powerful Python library Pandas and R's dplyr to ensure accuracy and completeness. My methods include handling missing values through sophisticated imputation techniques, ensuring data normalization and standardization, and utilizing regular expressions for meticulous text data cleaning. This thorough preparation guarantees that datasets are primed for analysis and modeling. 🌟 Exploratory Data Analysis (EDA): I employ both statistical summaries and advanced visualization techniques to uncover hidden patterns and insights within the data. I utilize hypothesis testing, correlation analysis, and advanced analytics methods such as principal component analysis (PCA) and factor analysis to provide a deep understanding of the data, which supports subsequent predictive modeling and strategic business decisions. 🌟 Machine Learning Models: I build a range of machine learning models from supervised techniques like linear and logistic regression, support vector machines, and ensemble methods (random forests and gradient boosting machines) to unsupervised methods, including k-means clustering and hierarchical clustering. My expertise in neural networks using TensorFlow and Keras supports applications in deep learning, such as natural language processing and image recognition. 🌟 Statistical Analysis: I am skilled in applying various statistical tests and techniques, including ANOVA, chi-square tests, t-tests, and regression analysis to validate hypotheses and extract insights. Using statistical software like Python, R, STATA and SPSS, I conduct complex data analysis and inferential statistical modeling, ensuring that findings are robust, statistically significant, and actionable. 🌟 Advanced Data Technologies: Proficient in SQL for data querying and manipulation, with familiarity in big data technologies like Apache Hadoop and Spark for processing voluminous datasets. My skill set also includes utilizing cloud platforms such as AWS and Google Cloud for scalable data analysis. 🛠️ Tech Stack • Languages: Python, R • Libraries: Pandas, NumPy, Scikit-learn, TensorFlow, Keras, Matplotlib, Seaborn, Plotly, ggplot2, dplyr • Tools: Excel, SPSS, STATA, SQL, AWS, Google Cloud, Hadoop, Spark 🌟 Proven Record of Strategic Impact 🌟 🏆 Notable Achievements:  ✅ Enhanced Data Precision: Leveraged advanced analytics, including machine learning algorithms and statistical techniques, to refine data quality across industries.  ✅ Decision Support: Utilized predictive modeling and sophisticated visualizations in Python and R, enhancing strategic business decisions.  ✅ Operational Efficiency: Innovated robust data management systems that streamline operations and maximize data utility. 📌 Industry Experience My expertise spans across education, finance, healthcare, and retail sectors, enabling me to adapt and address unique data-related challenges effectively, providing tailored and impactful big data solutions. 🌟 Showcase of Signature Projects 🌟  ✅ Retail Sales Forecasting: Developed a predictive model using Python & R Studio, integrating time series analysis and regression models to set new benchmarks in strategic planning.  ✅ Healthcare Analytics: Leveraged machine learning models and statistical analysis in SPSS and Python to uncover pivotal trends that enhance service delivery and patient care.  ✅ Data Visualization Mastery: Crafted impactful visual narratives for executive decision-making, utilizing advanced tools like Python and MS Excel. 🤝 Let’s Work Together Whether you're a startup or an enterprise, I bring the skills to clean, analyze, and model your data so you can focus on growing your business. Ready to turn your data into growth? 👉 Invite me to your job and let’s get started!

I’m a Computer Vision Engineer/Developer with 6+ years of experience in AI and deep learning. I specialize in building advanced computer vision applications, leveraging cutting-edge machine learning algorithms to solve complex real-world challenges. Why Work With Me? Expert in Computer Vision & AI Engineering – OpenCV, YOLO, Tesseract, CRAFT Strong Data Science Background – Statistical analysis, hypothesis testing, data modeling Proficient in Machine Learning & Deep Learning – TensorFlow, PyTorch, Hugging Face Cloud & DevOps Skills – AWS EC2, AWS S3, Docker-based microservices Experienced in NLP – BERT, spaCy, NLTK, embedding extraction Tech Stack: Languages: Python, SQL Data Processing: NumPy, Pandas, SciPy, Scikit-learn Data Visualization: Seaborn, Matplotlib, Plotly Machine Learning & AI: TensorFlow, PyTorch, Transformers, Keras Computer Vision: OpenCV, YOLO, Tesseract, CRAFT, Pillow I thrive on collaborating with cross-functional teams, simplifying complex AI concepts, and delivering impactful solutions. Let’s connect and bring your vision to life!

Top Rated Plus ERP & Automation Expert helping businesses streamline operations, reduce manual work, and build reliable systems that save time and money. I help companies design, build, and improve ERP systems, internal tools, integrations, and automation workflows. My focus is not just writing code — I build practical business solutions that make daily operations faster, clearer, and easier to manage. I work as an independent specialist and agency lead, which allows me to handle both focused development tasks and larger end-to-end implementation projects. What I can help you with ✅ ERP implementation and customization Odoo setup, module customization, workflow design, business logic, reports, permissions, and process automation. ✅ Business process automation Automating repetitive tasks, reducing manual data entry, connecting departments, and improving operational efficiency. ✅ API integrations Connecting ERP systems, CRMs, marketplaces, payment systems, shipping providers, accounting tools, internal platforms, and third-party services. ✅ Custom internal tools Dashboards, admin panels, reporting systems, data management tools, approval flows, and business-specific applications. ✅ Data automation and web scraping Reliable data collection, data pipelines, monitoring tools, competitor tracking, lead generation systems, and automated reporting. ✅ Backend development Scalable backend systems using Python, FastAPI, Django, Flask, PostgreSQL, Redis, Celery, Docker, and AWS. Why clients work with me ⭐ Business-first approach I start by understanding your workflow, bottlenecks, and goals before choosing the technical solution. ⭐ Clean and scalable architecture I build systems that are maintainable, documented, and ready to grow with your business. ⭐ Clear communication You will always understand what is being done, why it matters, and what the next step is. ⭐ End-to-end delivery From analysis and planning to development, deployment, integrations, and long-term support. ⭐ Top Rated Plus reliability I have a strong track record of delivering successful projects on Upwork with high client satisfaction. Technologies I work with ERP & Business Systems: Odoo, custom ERP, CRM integrations, workflow automation Backend: Python, Django, FastAPI, Flask Automation: Celery, Redis, RabbitMQ, scheduled jobs, data pipelines Databases: PostgreSQL, MySQL, MongoDB, SQLite, DynamoDB Cloud & DevOps: Docker, AWS EC2, RDS, S3, CloudFront, Route 53, IAM Frontend & APIs: JavaScript, TypeScript, HTML/CSS, REST APIs Data & Scraping: Scrapy, BeautifulSoup, Selenium I can also support high-performance automation and blockchain-related tools using Rust when speed, concurrency, or reliability are critical. Typical projects I can deliver • Odoo ERP customization for sales, inventory, invoicing, CRM, HR, or operations • Automation of manual business workflows • Integration between ERP, CRM, marketplaces, and accounting systems • Custom dashboards and reporting tools • Internal business management platforms • Data scraping and automated data processing systems • Backend APIs for web and mobile applications • Migration from spreadsheets/manual processes to structured systems If your business relies on repetitive manual work, disconnected tools, or inefficient processes, I can help you turn that into a clean, automated, and scalable system.

I build and scale web products in HealthTech, FinTech, Web3, EdTech, Automation & AI – leading both product and engineering with my senior dev team. 🏆 Upwork Top Rated Talent 2017–2025 | 🛡 Top Rated Plus 2020–2025 🥇 Expert-Vetted (Top 1%) | 💻 12+ years in IT | ✅ 90%+ jobs successfully completed 💰 Products I’ve contributed to have reached $30M+ in combined market cap and multiple projects crossing $10M+ each 🚀 What I (and my team) do best * SaaS from idea to launch MVPs and full products: multi-tenant dashboards, subscription billing, role-based access, analytics, admin panels. * HealthTech and medical platforms Patient portals, telemedicine, appointment systems, EHR-light tools, workflows and automation for clinics and digital health startups. * FinTech and Web3 products Payment flows, wallets, dashboards, financial automation, basic KYC/AML flows, integrations with third-party providers and Web3 rails. * Automation and internal tools Custom CRMs, back-office tools, workflow automation, reporting and BI dashboards. * AI-powered product features Assistants, content and data processing, recommendations, workflow co-pilots integrated into your SaaS. * Product rescue and refactoring Taking over half-finished or underperforming products, stabilizing them, and putting them on a clear roadmap. 👥 How I work with clients You get me as your technical and product lead, plus a handpicked team when needed: * Senior front-end and back-end engineers * DevOps and QA * UI/UX designer * Optional dedicated project manager and business analyst I can plug in as: 1. End-to-end product owner – from discovery to launch and ongoing iterations. 2. Dedicated development team – to build and scale your SaaS with predictable velocity. 3. Tech lead / architect – if you already have developers and need senior leadership and structure. TECH STACK (ADAPTED TO YOUR PRODUCT) * Front-end: React, Next.js, TypeScript, Vue * Back-end: Node.js, NestJS, Python (Django/FastAPI), REST and GraphQL APIs * Data and storage: PostgreSQL, MySQL, Redis, MongoDB * Infrastructure: AWS, GCP, Docker, CI/CD, microservices * Web3 (when relevant): smart contract integrations, wallets, on-chain/off-chain architecture TYPICAL CLIENT GOALS Clients usually come to me when they want to: * Launch a new SaaS quickly without sacrificing quality * Turn a prototype into a stable product investors can trust * Replace multiple freelancers with a reliable, long-term dev partner * Add senior leadership on top of an existing in-house or remote team WHAT TO INCLUDE IN YOUR MESSAGE To move fast, please share: 1. What you are building (or improving) 2. Your current stage (idea, prototype, or live product) 3. Deadlines and any hard constraints I will respond with initial thoughts, key risks I see, and suggested next steps so we can quickly decide if we are a good fit.

✦ n8n Development & Automation: Expert in building complex workflows to automate data processing, connect APIs (e.g., Google Sheets, CRM, Slack), and integrate various SaaS tools. ✦ WordPress & n8n Integration: Specialized in connecting WordPress sites to n8n via webhooks and API for automated form submissions, user sync, and dynamic content updates. ✦ Web Development Foundation: Proficient in PHP, HTML, and CSS, enabling deep customization and bug fixing within WordPress, Elementor, and n8n code nodes. ✦ Performance & Maintenance: Experienced in maintaining, optimizing, and troubleshooting both WordPress sites and n8n automation servers for peak performance and reliability. Here's why collaborating with me is the right choice: ✦ I assure excellent execution of your project. ✦ Expect prompt and proficient work. ✦ I'm meticulous about details. ✦ Deadlines will always be met. While fixed payments are preferred, I'm open to discussing hourly rates or any other terms you prefer. Thank you for considering my profile. I eagerly anticipate the opportunity to work with you! Best regards, Alkar. Highlighted skills: n8n, make, Automation, API Integration, Webhooks CSS, WordPress, WooCommerce, HTML, Bug Fix, Elementor Pro, Blog, WP Rocket, WordPress Theme, Page Speed, Optimization, WordPress Multisite, WordPress Development, Troubleshooting, WPML, PHP, Wpbakery, Divi, cPanel, GoDaddy, Siteground, MySQL, phpMyAdmin, SSL, Speed Up Wordpress Sites, Wordpress Migration, WP Engine, Wordpress Issues, Wordpress Developer, Mixed Content, Wordpress Expert, jQuery, Javascript Conflicting Scripts Wordpress, Wordpress Update Plugin, Wordpress Update, update PHP version, Hosting Issue Wordpress, Contact Form Recaptcha, FIxed Contact Form not Sending Email, Contact Form Issue, Urgent Wordpress Bugs Fixed, Website Maintenance.