Hire the Best Time Series Analysis Freelancers
in Bangladesh

I turn complex data into clear insights, accurate predictions, and better business decisions. With 17+ years of experience, I help clients solve real problems using Data Analytics, Machine Learning, and AI. I deliver end-to-end data solutions — from data cleaning and statistical analysis to advanced modeling and interactive dashboards. My background in large-scale research and monitoring ensures high-quality, reliable, and actionable results. ⭐ What I Can Do for You ✔ Clean, validate, and analyze complex datasets ✔ Build predictive models (Machine Learning & forecasting) ✔ Perform advanced statistical analysis ✔ Create dashboards (Looker Studio / Excel) ✔ Deliver clear reports with actionable insights 🛠️ Data Analytics, Machine Learning & AI Expertise 📊 Data Analysis & Statistical Modeling • Hypothesis testing (t-test, ANOVA, chi-square, non-parametric tests) • Regression (linear, logistic, multivariate) • Correlation and multivariate analysis • PCA, factor analysis, clustering • Data cleaning, validation & transformation 🤖 Machine Learning & Predictive Modeling • Tree-based models: Decision Tree, Random Forest • Advanced models: Gradient Boosting (XGBoost, LightGBM) • Regression & classification • Clustering & segmentation (K-means, hierarchical) • Model evaluation: cross-validation, ROC-AUC, accuracy metrics • Feature engineering & selection • Time series forecasting • Scalable modeling using PySpark (big data) 📈 Data Visualization & Dashboards • Interactive dashboards (Looker Studio, Excel) • Heatmaps, trend analysis, and correlation insights • Visualization using ggplot2, Plotly, and Matplotlib • Clear data storytelling for decision-making ⚙️ Tools & Technologies Python | R | SPSS | Excel | SQL | PySpark

Hey, welcome to my profile! If your conversion data is inaccurate, missing, or not matching across GA4, Google Ads, and Meta Ads, I can fix it. I specialize in setting up and troubleshooting GTM, GA4, Google Ads conversions, Meta Pixel & CAPI, and creating clear Looker Studio dashboards for accurate decision-making. I offer 𝐒𝐎𝐋𝐔𝐓𝐈𝐎𝐍𝐒: ✅ Google Tag Manager (GTM) - Full GTM setup - GA4 & Google Ads conversions - Custom event tracking - WordPress & Shopify integration ✅ Google Analytics 4 (GA4) - GA4 setup & ecommerce tracking - Funnel & user behaviour analysis - Cross-domain tracking - Custom reports ✅ Meta (Facebook) Pixel - Pixel & Conversions API (CAPI) - Lead & purchase tracking - Server-side tracking ✅ Google Ads Conversion Tracking - Enhanced conversions - Custom events & call tracking - Dynamic remarketing ✅ Looker Studio - Data integration - Dashboards & reports - Performance insights ✅ Why Hire Me? - Accurate & reliable tracking - On-time delivery - Fast communication (reply within 12 hours) 📩 Message me before ordering to discuss your project. Best Regards, Md Barek Hossain

Proven Data Analyst & AI/ML Consultant (4+ Years Exp. | 56+ Projects | 300+ Hrs). I specialize in applying advanced analytical techniques (LSTM, XGBoost) and financial theory (M.S. Economics) to generate quantifiable business outcomes. Delivered high-impact studies enabling clients to collect multi-million dollar fees, and I create automated Power BI/R Shiny dashboards. Focus: Actionable Insights. 💡 Core Expertise: Applied AI & Advanced Analytics My strength is moving beyond standard reports to deploy functional, measurable solutions. Financial & Causal Analysis: Expertise in Causal Analysis for investment strategies and Financial Forecasting using models like LSTM and XGBoost. Generative AI Development: Built and deployed full-stack Generative AI applications using Python Flask/Next.js and Groq LLM API (e.g., the Outdoor GenAI platform). Production ML Modeling: Developed and optimized production-ready models, including Logistic Regression and XGBoost, with performance tuning via GridSearchCV. 📊 Business Intelligence & Reporting (Power BI / R) Transforming raw data into clear, interactive visuals that empower strategic decisions. High-Impact Dashboards: Design and deploy professional BI tools (Power BI, Plotly) including Sales Dashboards with MySQL integration. Strategic Reporting: As a Data Analyst, I deliver comprehensive studies (Demographic, Enrollment Projection, Transportation) that inform critical infrastructure and financial planning. R Shiny Applications: Custom development of interactive R Shiny apps for complex data visualization and specialized statistical simulations. 🚀 Technical Skills & MLOps Comprehensive skills covering the entire data lifecycle, from cleaning to deployment. Primary Languages: Python, R, SQL. Database & Deployment: Proficient in MySQL, model deployment via Streamlit, and version control with Git/GitHub. Niche Analytics: Strong background in statistical consulting, Google Earth Engine (GEE) for geospatial analysis, and Excel VBA Macros. ⭐ Why Partner With Me Quantifiable Results: As a Data Analyst at Total School Solutions, I delivered Developer Fee Justification Studies and Enrollment Projection Studies that enabled clients to collect significant, multi-million dollar fees. Proven Success: 56 completed projects and 300+ hours on Upwork demonstrate commitment and proven client satisfaction. Academic Foundation: Master's degree in Economics providing a unique quantitative perspective on business challenges. Ready to discuss your project? I provide consultation, development, and deployment for data-driven results.

I build custom R Shiny dashboards, AI-assisted data tools, and web applications that help teams explore data, automate reporting, and make better decisions. With 60+ completed Upwork projects, 1,100+ hours, 100% Job Success, and Top Rated status, I specialize in turning complex data, Excel files, research workflows, and business processes into clean, interactive tools that are easy to use and maintain. I can help with: • Custom R Shiny dashboards and web apps • AI-assisted dashboards, chatbots, and data exploration tools • OpenAI/API integration inside Shiny apps • Interactive charts, tables, maps, and filters • Clean UI using CSS, JavaScript, HTML, bslib, and shinydashboard • R Markdown, Quarto, and automated reports • Data cleaning, transformation, and visualization • Database-connected Shiny apps • Debugging, refactoring, and improving existing Shiny apps • Deployment support and app maintenance Clients usually work with me when they need more than a basic dashboard. I can help plan the app structure, build the reactive logic, improve the UI, clean the data workflow, add useful AI features, and make the final app easier for users to understand. I have worked on Shiny apps for business dashboards, research tools, scheduling systems, economic models, flow cytometry data, maps, CRUD apps, AI-assisted tools, and data visualization platforms. I was also a Shiny Contest finalist, which reflects my focus on building useful, polished, and well-designed Shiny applications. Please note: I do not take academic assignments, exams, or homework projects. If you need a reliable R/Shiny developer for a dashboard, data app, AI-assisted workflow, or reporting tool, I would be happy to help.

🔍 Are you losing revenue to hidden churn, slow reports, or broken data pipelines? I'm Shariful — a Python Data Scientist specializing in Machine Learning, ETL Automation, and Predictive Analytics. I turn raw, messy data into decisions that directly grow your revenue. ━━━━━━━━━━━━━━━━━━━━━ 💼 WHAT I DELIVER (REAL RESULTS): ━━━━━━━━━━━━━━━━━━━━━ ✅ Churn Prediction Model → 90% accuracy, retained in annual revenue. ✅ Recommendation Engine (Scikit-Learn) → boosted Average Order Value by 28%. ✅ Automated ETL Pipeline → saved a marketing agency 20+ hours/week. ✅ Sports Results Extraction (PDF → JSON) → delivered error-free structured data with QA validation. ✅ Stock Movement Forecasting → ML model for election-period market prediction. ━━━━━━━━━━━━━━━━━━━━━ 🛠 SERVICES I OFFER: ━━━━━━━━━━━━━━━━━━━━━ → Machine Learning Models (Classification, Regression, Forecasting, Clustering). → ETL Pipeline Development (PDF, API, Web Scraping → JSON/SQL/CSV). → Python Automation (Replace manual workflows with scripts that run 24/7). → Business Intelligence Dashboards (Tableau, Plotly/Dash). → Exploratory & Predictive Data Analysis. → Time Series Forecasting & Anomaly Detection. ━━━━━━━━━━━━━━━━━━━━━ ⚙️ TECH STACK: ━━━━━━━━━━━━━━━━━━━━━ Python · Pandas · NumPy · Scikit-Learn · TensorFlow SQL · Tableau · Plotly/Dash REST APIs · Web Scraping · Cron Jobs · ETL Pipelines ━━━━━━━━━━━━━━━━━━━━━ 🏆 WHY CLIENTS CHOOSE ME: ━━━━━━━━━━━━━━━━━━━━━ ⭐ 100% Job Success Score. ⚡ 4–8 hr avg. response time. 📦 Deliver ahead of schedule — every time. 💬 "Clear communicator. Proactive updates. Business-focused mindset." — Verified Client. I don't just build models. I build systems that make your business smarter. 📩 Send me your project details — I'll reply within a few hours with a clear action plan.

Hi, I’m Mamun Bhuiyan – A Data & Financial analyst with a solid economics background and a passion for turning complex data into clear, actionable insights. I leverage my experience with Accounting, R programming, alongside emerging skills in Excel, SQL, and Power BI to help businesses decode market trends, forecast economic outcomes, and drive strategic growth. 🔹With a keen eye for detail and a client-first mindset, I excel at: 1. Data Analytics & Visualization: I transform unstructured data into clear strategies using modern technical tools. ✔ Tools: Python, R Programming, SQL, and Power BI. ✔ Core Skills: Data cleaning, statistical analysis, econometric forecasting, and creating interactive dashboards to track KPIs. 2. Financial Analysis & Accounting: I bring the precision of a Commerce background to your financial reporting. ✔ Analysis: Ratio Analysis (Liquidity, Solvency), 10-K Report breakdowns, and Trend Analysis. ✔ Reporting: Preparing professional P&L Statements, Balance Sheets, and Cash Flow Reports. ✔ Modeling: Creating integrated financial models and feasibility studies (NPV/IRR). Why Work With Me? 🔹Analytical Rigor: I apply robust econometric techniques to solve real-world business challenges. 🔹Detail-Oriented: From code syntax to decimal points in a ledger, I ensure 100% accuracy. 🔹Clear Communication: I explain complex data in simple, business-friendly terms. I’m dedicated to continuous learning and innovation, ensuring that my tools and methodologies stay current in a rapidly evolving field. Whether you're looking to optimize business performance or explore sustainability trends, I’m here to translate data into strategies that deliver measurable results. 💡 Let’s discuss how I can help! Message me anytime.