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Harsha K
@harshakunkuma
Web Developer and Data Analyst Dashboards and Forecasting
Sri Lanka
English, Sinhala
About me
Hi, I’m Harsha — a Web Developer and Data Analyst who helps businesses build web applications and make smarter decisions with data.
I develop fast, scalable websites and dashboards, and turn raw data into insights through sales forecasting, demand planning, and inventory analysis.
I build Excel and BI solutions to reduce stockouts, optimize inventory, and improve revenue.
I also develop LMS and Moodle-based e-learning platforms for organizations and training providers.
Skills
Harsha K
Offline •
Average response time: 1 hour
See my services
Data Analytics Consultation
I will forecast sales for shopify, amazon, and any business
Work experience
Sales Forecasting in Excel (E-commerce)
Amazon • Freelance
Dec 2025 - Present • 5 mos
Built an Excel-based sales forecasting model for 25 e-commerce SKUs using historical data (2022–2025). Applied weighted moving average (WMA), seasonality indexing, and growth caps to generate a 2026 monthly forecast. Includes dashboard, seasonality heatmap, and category analysis. Helps reduce stockouts, optimize inventory, and support data-driven decisions. Link : https://harsha19980324.github.io/Retail-SKU-Demand-Forecasting-Model-in-Excel-Seasonality-Weighted-Growth-Method-/
Skincare Demand Forecast 2026 – Excel Dashboard & Insights
Shopify • Freelance
Feb 2025 - Present • 1 yr 3 mos
Designed a comprehensive Excel-based demand forecasting model for 20 skincare SKUs across 8 categories. Using 3 years of historical demand data (2023–2025), the model generates monthly forecasts for 2026 with WMA growth, Holt's smoothing, seasonality index, and stockout intelligence. Includes dashboards, heatmaps, charts, and a full methodology to optimize inventory, reduce stockouts, and improve revenue planning. Link : https://harsha19980324.github.io/Skincare-Demand-Forecast-2026/
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erandaisuru2002
Latvia
Amazing work. Friendly guy. My website looks amazing, Very impressed with his work, will use again in the future.
Up to $50
Price
2 days
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