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Software and data-focused professional with experience building and maintaining POS and e-commerce-related systems, working with MySQL and backend/server development. Also supports marketing and data workflows through research, data uploading, and AI platform data management. Brings a detail-oriented approach to data entry, verification, quality assurance, and technical documentation, with a strong interest in automation, data integrity, and system architecture.…Software and data-focused professional with experience building and maintaining POS and e-commerce-related systems, working with MySQL and backend/server development. Also supports marketing and data workflows through research, data uploading, and AI platform data management. Brings a detail-oriented approach to data entry, verification, quality assurance, and technical documentation, with a strong interest in automation, data integrity, and system architecture.

Leonard Christopher Yaidona

Video Editor, Photographer, Graphic Designer, +7

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Software and data-focused professional with experience building and maintaining POS and e-commerce-related systems, working with MySQL and backend/server development. Also supports marketing and data workflows through research, data uploading, and AI platform data management. Brings a detail-oriented approach to data entry, verification, quality assurance, and technical documentation, with a strong interest in automation, data integrity, and system architecture.…Software and data-focused professional with experience building and maintaining POS and e-commerce-related systems, working with MySQL and backend/server development. Also supports marketing and data workflows through research, data uploading, and AI platform data management. Brings a detail-oriented approach to data entry, verification, quality assurance, and technical documentation, with a strong interest in automation, data integrity, and system architecture.

Available to hire

Software and data-focused professional with experience building and maintaining POS and e-commerce-related systems, working with MySQL and backend/server development. Also supports marketing and data workflows through research, data uploading, and AI platform data management.

Brings a detail-oriented approach to data entry, verification, quality assurance, and technical documentation, with a strong interest in automation, data integrity, and system architecture.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

POS system developer

February 1, 2026 - Present

Created a custom POS backend and server using Visual Studio Code, MySQL, and CMD to support product bundling and transaction logic. The POS codebase involved bundling products using logic tied to transaction, sales, inventory tracking, and other POS features. Built the backend to meet business requirements and system debt/bundling needs. Also worked on developing the POS system.

Marketing and data/AI support (remote)

January 1, 2026 - January 1, 2026

AI Data Remote (January 2026).

Data Entry Specialist

January 1, 2026 - Present

Over 1 year of professional experience in technical data management and system architecture. Experienced in data verification, quality assurance, and technical documentation within MySQL and POS environments, with the ability to organize complex datasets and support operational health monitoring to maintain high data quality and system integrity.

AI Data Remote Contributor at AI Data Remote

January 1, 2025 - Present

Contributing to data-driven marketing efforts for AI projects; responsibilities include assisting in data preparation, applying AI tools to optimize campaigns, and supporting ongoing marketing initiatives.

Crypto Trading (Binance) - project at Binance

July 1, 2024 - Present

Read crypto as a method of trading assets, particularly used to coin in platform-available coins. Managed trading activity for crypto assets available on trading platforms.

Marketing Intern

January 1, 2024 - January 1, 2025

Contributed to market research and data collection to support AI-driven product marketing. Conducted extensive research on AI tools in the market and updated datasets to ensure platforms stay current. Assisted in transforming the marketing strategy to reach more potential customers and align campaigns with evolving trends.

Marketing Intern at Traditional Business

January 1, 2024 - January 1, 2025

Designed and executed a marketing strategy for a traditional business that leveraged e-commerce partnerships to reach more potential customers. Reorganized marketing channels, created digital content, and ran social media campaigns to boost engagement and sales.