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Twine

Freelance Software Engineer

Twine
Switzerland · Contract · Mid-Senior

This role involves developing a robust Python-based solution to monitor and deliver real-time alerts for new product listings across five major Japanese and Korean second-hand marketplaces. The successful candidate will collaborate on a long-term personal project, focusing on building a system that retrieves and processes the latest product information within one second of listing. The position requires a strong technical background in web scraping, API integration, and real-time data processing to ensure immediate and reliable notifications for new listings.

Deliverables

  • Design and implement a Python program to monitor jp.mercari.com, bunjang.co.kr, paypayfleamarket.yahoo.co.jp, fril.jp, and auctions.yahoo.co.jp for new product listings.
  • Develop efficient scraping or API-based solutions to capture listing data as soon as it becomes available.
  • Integrate real-time alert functionality to notify the user within one second of a new listing.
  • Ensure the system is scalable, reliable, and easy to maintain for long-term personal use.
  • Provide clear documentation and technical support for ongoing improvements or troubleshooting.

Requirements

  • Proven experience in Python development, particularly for web scraping and real-time data processing.
  • Strong understanding of APIs, HTTP requests, and handling dynamic web content.
  • Ability to reverse-engineer website structures and implement solutions for platforms with limited public APIs.
  • Familiarity with Japanese and Korean e-commerce or second-hand marketplaces is a plus.
  • Excellent problem-solving skills and attention to detail.
  • Ability to communicate technical concepts clearly and collaborate on a personal project.
  • Availability for ongoing support and potential follow-up work.

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

Key Skills

Ranked by relevance

python ai
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Posted
Apr 08, 2026
Type
Contract
Level
Mid-Senior
Location
Switzerland
Company
Twine

Industries

Software Development

Categories

Engineering

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