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Các Freelancer được bảo trợ
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. ít hơn
Thuê AwaisChaudhry
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I'm a Google and IBM-certified Machine Learning Engineer | Data analyst Professional with 11 Years of Experience in Machine Learning, Deep Learning, Data Analytics, and Visualization. Having an excellent understanding and command of platforms for effective Machine learning, Deep learning, and data analysis including...I'm a Google and IBM-certified Machine Learning Engineer | Data analyst Professional with 11 Years of Experience in Machine Learning, Deep Learning, Data Analytics, and Visualization. Having an excellent understanding and command of platforms for effective Machine learning, Deep learning, and data analysis including : I can provide you best quality services in the following ★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★ ★ ★ Computer Vision ★ Object Detection ★ Natural Language Processing ★ Deep learning ★ Machine learning ★ Artificial intelligence ★ Classification ★ Regression ★ Image Classification ★ python ★ Data Analysis ★ Data Visualization ★ Tableau ★ Power Bi ★ Excel ít hơn
Thuê Ashraf714031
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Hello, I'm a data analyst with 8+ years of hands-on experience in transforming raw data into actionable insights. I have been assisting businesses, researchers, and doctoral scholars globally in effectively analyzing qualitative and quantitative data using tools such as Stata, SPSS, R, Python, EViews, Power BI, and...Hello, I'm a data analyst with 8+ years of hands-on experience in transforming raw data into actionable insights. I have been assisting businesses, researchers, and doctoral scholars globally in effectively analyzing qualitative and quantitative data using tools such as Stata, SPSS, R, Python, EViews, Power BI, and Excel. In addition to my core data analysis expertise, I have expanded my capabilities in AI automation, machine learning, and large language model (LLM) applications. I work with frameworks like LangChain and Retrieval-Augmented Generation (RAG) to develop intelligent solutions such as chatbots, knowledge retrieval systems, and automated analytics pipelines — enabling organizations to streamline workflows and enhance decision-making with AI-powered insights. With a blend of domain expertise in business and science and robust statistical skills, I am equipped to decode complex datasets, unveil hidden patterns and trends, and present findings as actionable predictive and explanatory models. ► My Services: ✔️ Statistical Analysis using R / SPSS / STATA / EViews: -Descriptive Statistics: Means, Medians, Modes, Standard Deviations, Frequency Distributions, and Cross-tabulations -Hypothesis Testing: T-Tests, Chi-square Tests, and ANOVA (ANOVA/ANCOVA/MANOVA) -Regression Analysis: Linear and Logistic Regression Models -Time Series Analysis: Trend Analysis, Seasonality, and Forecasting -Multivariate Analysis: PCA, Factor Analysis, and Cluster Analysis -Econometric Analysis: VAR, VECM, and Panel Data Analysis ✔️ Machine Learning & AI Automation: -Supervised and Unsupervised Learning (Regression, Classification, Clustering) -Natural Language Processing (NLP) and LLM Applications -LangChain and RAG-based Chatbots, Assistants, and Knowledge Systems -Automated Data Pipelines and Predictive Modeling ✔️ Power BI Reporting: -Extracting data from various sources (APIs, Excel files, SQL Servers, etc.) -Cleaning and transforming data using Power Query on Datasets or Dataflows -Establishing data model relationships -Creating and validating measures using DAX -Developing and testing charts and filters -Designing user-friendly interfaces ✔️ Data Visualization: -Histograms, Scatter Plots, Box Plots, Heatmaps, and Dendrograms ✔️ Reporting and Documentation: -Comprehensive statistical reporting with clear visualizations and actionable insights tailored to your needs — ensuring that findings are both understandable and practical for decision-making. With this broad technical expertise, I provide free consultations and strategic recommendations to help clients address real-world challenges and drive smarter, data-informed decisions in today’s AI-driven world. Best Regards, Aneesa ít hơn
Thuê ShaikhAneesa
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VERIFIED ||STATISTICIAN ||RESEARCHER||CHEMIST I am a Biostatistician, Data Analyst and Researcher with a solid background in data science and medical data analysis with research having experience of over 7 years; I provide these services : Data cleaning and manipulation(DATA WRANGLING) Data coding and...VERIFIED ||STATISTICIAN ||RESEARCHER||CHEMIST I am a Biostatistician, Data Analyst and Researcher with a solid background in data science and medical data analysis with research having experience of over 7 years; I provide these services : Data cleaning and manipulation(DATA WRANGLING) Data coding and encoding Systematic review and Meta analysis(From search of articles, analysis, writing journals) Statistical analysis, PCA, EFA, EDA, All tests ; parametric and non-parametric Structural Equation modelling using AMOS[SEM],R, Smart PLS Machine learning and modelling IN PYTHON /R Deep learning and NLP modelling(classification, regression, neural networks) Data Visualisations and dashboards, using, Excel, Tableau and Power Bi,R,Python(seaborn/matplotlib) Qualitative(thematic analysis) and quantitative analysis Predictive analytics and predictive models such regression models Time series analysis, DCC GARCH models, SARIMAX ,ARIMA models,LSTM Biostatistics and Medical data analysis Econometrics Geospatial analysis Sales Data analysis , getting trends and insights Academic writing and research Majored in the following software’s and Languages SPSS & SPSS AMOS, Excel,R studio,STATA,JAMOVI,SAS,MINITAB SMART PLS,NVIVO,Python,SQL, Tableau , Power Bi, WEKA, STATISTICA. Qualtrics, Jasp I n addition , I also have a good command in chemistry and research and I offer the following services; Medical research , Journals Advanced synthesis of compounds and reaction mechanisms Formulations of new products (organic and inorganic ). Chemical engineering Research papers and lab reports. Research papers, literature review, Academic writing. Proof reading and editing. Desertations and Thesis. Tools and Databases: Cochrane Library PubMed ClinicalTrial.gov Scopus Web of Science Welcome :AVAILABLE 24/7: QUALITY WORK GUARANTEED WITHIN THE TIME LIMIT ít hơn
Thuê WycOj
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We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS ...We are a Canadian-Ukrainian team of highly professional IT specialists (software developers, designers, system administrators and Internet marketers) with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.). 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... ít hơn
Thuê tangramua
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Hi there! You can call me Jane, your go-to freelancer with over 5 years of experience in various domains. I pride myself on providing specialized services that cater to the unique needs of individuals and companies like yours. I'm your go-to expert. I excel in; ☑️ SPSS, Jamovi, R programming, Python, Excel,...Hi there! You can call me Jane, your go-to freelancer with over 5 years of experience in various domains. I pride myself on providing specialized services that cater to the unique needs of individuals and companies like yours. I'm your go-to expert. I excel in; ☑️ SPSS, Jamovi, R programming, Python, Excel, Tableau, Power BI ☑️ GIS, ArcGis, Geospatial, etc ☑️ Well-researched papers, technical writing, copy writing, Blogs ☑️ Editing, PDF, Image/picture Editing, Proofreading, Microsoft word, PowerPoint. ☑️Wikipedia Page Creation, Wikipedia Publishing, Wikipedia Page Translation So why choose me? ☑️ Committed to QUALITY ☑️ Flexibility ☑️ Competitive pricing ☑️ Integrity ☑️ Satisfaction Guaranteed ☑️ Timely delivery Let's collaborate and create something truly spectacular! Reach out to me today, and together, we'll elevate your business to new heights. Trust me, you'll be thrilled with the results. ít hơn
Thuê janita24
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I’m a Verified Data Scientist and Analytics Engineer who builds decision-ready data systems — not just dashboards or models. I help businesses move from fragmented, slow, or unreliable data to clean pipelines, trusted metrics, and predictive insights that leaders can actually act on. My work sits at the intersection...I’m a Verified Data Scientist and Analytics Engineer who builds decision-ready data systems — not just dashboards or models. I help businesses move from fragmented, slow, or unreliable data to clean pipelines, trusted metrics, and predictive insights that leaders can actually act on. My work sits at the intersection of Data Science, Business Intelligence, and Analytics Engineering, with a strong focus on structure, reproducibility, and performance. If your dashboards are slow, numbers don’t reconcile, or insights arrive too late to matter, I fix the underlying data model, logic, and pipeline — so decisions are based on facts, not guesswork. My delivery is scope-driven, milestone-based, and fully documented, ensuring clean handover and long-term usability. What I Do 📊 BI & Analytics Engineering KPI models, semantic layers, and executive dashboards Performance tuning, DAX optimization, and data validation 📈 Applied Data Science & Predictive Analytics Forecasting, churn prediction, segmentation, and performance modeling Explainable ML focused on business impact 🤖 Data Pipelines & Automation Python + SQL pipelines for ingestion, cleansing, transformation, and QA Reproducible ETL workflows built for scale 🧮 Business & Financial Analytics Cash-flow forecasting, ROI analysis, operational KPIs Scenario planning and decision support models 🔌 Data Integration Excel, databases, APIs, and external systems unified into one analytics layer How I Work ✔ Clear problem framing and success metrics ✔ Transparent assumptions and reproducible logic ✔ Clean architecture and documented models ✔ Business interpretation — not just technical output I focus on analytics people can trust, understand, and act on. 📂 GitHub: deepanshu0110 ít hơn
Thuê deepanshug38
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DATA SCIENTIST / ANALYTICS & RESEARCH LEAD (Finance • ML/DL • LLM/NLP • Computer Vision) | Languages: Ukrainian (native), English (C1) | SUMMARY: Data scientist and analytics leader with 20+ years in applied research/decision support and 7+ years in advanced ML for forecasting, financial modeling, and signal...DATA SCIENTIST / ANALYTICS & RESEARCH LEAD (Finance • ML/DL • LLM/NLP • Computer Vision) | Languages: Ukrainian (native), English (C1) | SUMMARY: Data scientist and analytics leader with 20+ years in applied research/decision support and 7+ years in advanced ML for forecasting, financial modeling, and signal detection. Strong in Python; ML/DL (LSTM/GRU, CNN); NLP/LLMs (Hugging Face, GPT/BERT); and computer vision (OpenCV). Deliver hypothesis-driven experiments, rigorous validation, and stakeholder-ready insights; lead end-to-end delivery and coordinate engineering when production tooling is needed. Domains include trading/FX, macroeconomics, customer/churn analytics, survey & social research, and geospatial market intelligence. Deliverables: reproducible notebooks, APIs, dashboards, and concise executive summaries. Comfortable with KPI design and communicating uncertainty (e.g., VaR/ES, confidence intervals) to non-technical stakeholders. CORE EXPERTISE: Predictive analytics & time series (econometrics, scenario modeling, backtesting); ML/DL modeling & feature engineering; GenAI/LLM pipelines (embeddings, prompt + API integration, text analytics automation); finance analytics (risk/volatility concepts, portfolio optimization fundamentals); research leadership (study design, survey analytics); automation & reproducible pipelines (REST APIs, Docker/Git). | TECH STACK: Python (pandas, NumPy, scikit-learn, TensorFlow/Keras, PyTorch), OpenCV; Hugging Face, OpenAI APIs; SQL/MySQL; Excel (advanced modeling/VBA); SPSS; R; FastAPI/Streamlit; Docker; Git. EXPERIENCE: Independent/Consulting — Data Scientist, Quant & Forecasting (2023–Present): forecasting models for business/finance; trading research and backtesting workflows; NLP/LLM automation prototypes (summarize/classify/extract); owned delivery from requirements to reporting and coordinated specialists when productization was required. Place Intelligence — Analytics Specialist (2020–2023): big-data + spatial intelligence using geolocation signals; pipelines and reporting for commercial and research stakeholders. University of Luxembourg — Research Expert (2018–2022): study design and quantitative analysis for academic projects; publication-ready outputs; rigorous, reproducible workflows. Nielsen (Basis Team), Chicago & 4i — Survey Analytics/Consulting (project-based): survey analytics and sales forecasting (incl. P&G Africa) using econometrics and ML; validated insights for stakeholders. Ukraine — Research Director / Senior Analyst (2000s–2018+): led full-cycle research programs (design→fieldwork→analysis→reporting) across social, political, and marketing research. EDUCATION: National Technical University of Ukraine “KPI” (1998–2005) — System Analyst, BSc (Computer Science). Open to remote/global roles. (EU). ít hơn
Thuê Vasilchenko
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I am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web,...I am a seasoned software engineer with a proven track record of delivering cutting-edge, user-centric digital solutions for startups, enterprises, and global brands. My work spans the entire software development lifecycle — from ideation and architecture to deployment and optimization — with a focus on modern web, mobile, and AI-driven applications. Over the years, I’ve mastered the art of blending aesthetics, performance, and scalability, ensuring every project I touch not only meets technical requirements but also drives measurable business growth. 🔹 My Core Expertise Web Development (Frontend & Backend) Modern JavaScript frameworks: React.js, Vue.js, Next.js Backend mastery: Node.js, Django, FastAPI, Laravel Styling & UI: Tailwind CSS, Material UI, custom component libraries REST & GraphQL APIs, real-time applications, PWA development Mobile Development Cross-platform excellence: React Native, Expo High-performance native integrations Pixel-perfect, responsive mobile UI/UX Artificial Intelligence & Machine Learning Natural Language Processing (NLP), computer vision, predictive modeling Custom model training & deployment (TensorFlow, PyTorch, scikit-learn) GPT, Vertex AI, OpenAI API integrations for chatbots, automation & intelligent decision-making Data pipelines, analytics dashboards, AI-powered automation Cloud & DevOps AWS, GCP, Azure deployment & scaling Docker, Kubernetes, CI/CD pipelines, serverless architectures PostgreSQL, MySQL, MongoDB, Firebase 💼 Why Clients Choose Me Proven Delivery: Successfully led 50+ full-scale projects from concept to production. Business-Driven Mindset: I translate technical complexity into real-world business outcomes. Scalable Solutions: Architected systems that support millions of users without compromising performance. Transparent Communication: Clear, proactive, and client-focused at every stage. Whether you’re launching a high-growth SaaS platform, building an AI-powered mobile app, or modernizing your digital ecosystem, I bring a unique blend of deep technical expertise and strategic thinking to turn complex visions into flawless reality. ít hơn
Thuê xuezhe315
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Welcome! I provide professional, accurate, and timely services designed to support your business, academic, or personal projects. With extensive experience and the latest tools, I transform your ideas and data into polished, high-quality outputs. My services include: 1. Data Analysis & Statistics: SPSS, Advanced...Welcome! I provide professional, accurate, and timely services designed to support your business, academic, or personal projects. With extensive experience and the latest tools, I transform your ideas and data into polished, high-quality outputs. My services include: 1. Data Analysis & Statistics: SPSS, Advanced Excel, R Programming, Jamovi 2. Data Visualization & Dashboards: Tableau, Power BI, custom Excel charts 3. Internet Research & Data Entry: Verified, structured, and detail-oriented work 4. Forms & Documents: Fillable PDFs (Adobe Acrobat, Adobe InDesign), Word and PDF formatting, form creation, conversion between formats, editable templates 5. Presentation Design: Clean, impactful PowerPoint presentations and slide decks 6. Report Writing & Editing: Data-driven reports, summaries, executive briefs 7. File Conversion & Cleanup: PDF to Word/Excel, OCR text extraction, formatting fixes Let’s collaborate! ít hơn
Thuê kelvinm094
