Invoice Data Scientist in South Korea Seoul –Free Word Template Download with AI
12F, 456 Teheran-ro, Gangnam-gu
Seoul, South Korea 06236
Tel: +82-2-555-0147
Email: [email protected]
Business Registration No.: 220-88-012345
Billed To
Client Name: Hanbit Technology Group Inc.
Attn: Mr. Park Ji-hoon, Chief Technology Officer
Address: 789 Samseong-ro, Gangnam-gu
City: Seoul, South Korea 06140
VAT Registration No.: 110-22-334455
Service Provider
Lead Data Scientist: Dr. Kim Min-seo
Specialization: Machine Learning & Predictive Analytics
Location: Seoul, South Korea
Contract Reference: CTR-DS-2025-0312
Project Duration: April 1 – June 15, 2025
| # | Description of Data Scientist Services | Rate (KRW) | Hours | Amount (KRW) | Deliverable / Milestone |
|---|---|---|---|---|---|
| 1 | Initial data audit and exploratory data analysis for the retail customer segmentation project. The Data Scientist conducted a comprehensive review of 2.4 million transaction records collected across 142 stores in the Seoul metropolitan area. | 180,000 | 40 | 7,200,000 | Data Audit Report (Delivered Apr 15) |
| 2 | Design and implementation of a gradient-boosted machine learning model for customer lifetime value prediction. The Data Scientist engineered 87 features and trained the model using scikit-learn and XGBoost frameworks, achieving 91.3% accuracy on the validation set. | 220,000 | 80 | 17,600,000 | ML Model v1.0 (Delivered May 10) |
| 3 | Development of an interactive Tableau dashboard for real-time sales forecasting. The Data Scientist integrated the predictive model outputs into a visual analytics platform accessible to the Hanbit Technology Group management team in Seoul. | 200,000 | 48 | 9,600,000 | Dashboard Deployment (Delivered May 28) |
| 4 | Natural language processing pipeline for Korean-language customer review sentiment analysis. The Data Scientist built a BERT-based classifier trained on 150,000 annotated reviews to extract actionable insights for product improvement. | 240,000 | 56 | 13,440,000 | NLP Pipeline (Delivered Jun 5) |
| 5 | Final project documentation, knowledge transfer sessions, and model deployment support. The Data Scientist conducted three on-site workshops at the Hanbit Technology Group headquarters in Seoul, South Korea, ensuring the internal data team could maintain and extend all deliverables independently. | 190,000 | 32 | 6,080,000 | Documentation & Training (Delivered Jun 15) |
| Subtotal | 53,920,000 KRW |
| VAT (10% – South Korea Standard Rate) | 5,392,000 KRW |
| Discount – Early Contract Commitment | -2,696,000 KRW |
| Grand Total Due | 56,616,000 KRW |
Invoice Notes & Terms
This Invoice covers all professional Data Scientist services rendered by Seoul Analytics Solutions Co., Ltd. to Hanbit Technology Group Inc. during the period of April 1, 2025 through June 15, 2025. All work was performed in Seoul, South Korea, in accordance with the terms outlined in Contract Reference CTR-DS-2025-0312.
The total amount of 56,616,000 KRW (fifty-six million six hundred sixteen thousand Korean Won) is due within thirty (30) calendar days from the issue date of this Invoice. Payment is to be made via bank transfer to the account specified below. Late payments are subject to a penalty of 1.5% per month as stipulated under the Korean Commercial Act.
All intellectual property rights associated with the machine learning models, NLP pipelines, and analytical dashboards developed by the Data Scientist during this engagement transfer to Hanbit Technology Group upon full settlement of this Invoice. Seoul Analytics Solutions retains the right to reference the project in portfolio materials with prior written consent.
This Invoice is issued in compliance with the Korean Value-Added Tax Act and the Electronic Invoice and Receipt System (e-Tax) regulations of the National Tax Service of South Korea. A digital copy of this Invoice has been registered in the e-Tax system under document number ETR-2025-0615-8847.
Payment Instructions
Bank: Industrial Bank of Korea (IBK)
Account Name: Seoul Analytics Solutions Co., Ltd.
Account Number: 012-123-456789
SWIFT Code: IBKOKRSE
Reference: Please cite Invoice No. INV-2025-00847 in the payment memo.
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