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Punch-Out Integration Engineer (m/w/d)

Lio

Munich, Bavaria, GermanyRemoteFull-timeNo compensation foundPosted 3w agoVerified open 6 days ago
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At a glance

Compensation
No compensation found
Location
Munich, Bavaria, GermanyRemote
Schedule
Full-time
Work Authorization
Not specified

Job overview

Lio is hiring a Python Web Crawler & PunchOut Integration Engineer (m/w/d). Lio seeks a Python Web Crawler & PunchOut Integration Engineer to build and maintain supplier connectivity, reverse‑engineer supplier sites, develop async Python services, and extract and normalize product data for its AI‑driven procurement platform.

Key focus areas include Build and maintain supplier integrations using web crawlers, PunchOut, and direct webshop APIs, Reverse engineer supplier websites and APIs to create reliable integrations, and Develop async Python services using modern networking and browser automation.

Important skills include Automation, English, API Development, Scraping, API Reverse Engineering, and Asyncio. Preferred (not required): Web Crawling, XML, German, and reverse engineering.

Skills & qualifications

RequiredNice to have

Skills

AutomationEnglishAPI DevelopmentWeb CrawlingXMLGermanReverse EngineeringPythonMongoDBRESTJSONScrapingAPI Reverse EngineeringAsyncioHttpxHTTPBrowser AutomationREST APIsHTMLPydanticPunchOutOCIcXMLDebugging

Qualifications

4+ Years Python ExperienceEnglish RequiredGerman Is a Plus

Full job description

Build the connectivity layer powering enterprise procurement. At Lio, we're building the AI workforce for procurement. As a Python Web Crawler & PunchOut Integration Engineer , you'll connect hundreds of suppliers to our platform by building robust web crawlers, PunchOut integrations, and direct webshop APIs. Your work enables our customers to seamlessly access supplier catalogues, pricing, and product data—and is a critical part of the connectivity layer that powers our platform.

What you'll do

  • Build and maintain supplier integrations using web crawlers, PunchOut (OCI & cXML), and direct webshop APIs

  • Reverse engineer supplier websites and APIs to create reliable integrations

  • Develop async Python services using modern networking and browser automation

  • Extract and normalize product, pricing, and availability data

  • Debug production issues and continuously improve integration reliability and performance

What we're looking for

  • 4+ years of professional Python experience

  • Strong experience with web crawling, scraping, API development, or API reverse engineering

  • Solid knowledge of asyncio , httpx , HTTP, browser automation, and REST APIs

  • Experience with HTML, JSON, XML, MongoDB, and Pydantic

  • Excellent debugging skills and an ownership mindset

  • English required; German is a plus

Why Lio? Build infrastructure powering enterprise procurement at scale. Solve engineering challenges across APIs, web integrations, and automation. Own production-critical systems used by leading global enterprises. Competitive compensation, meaningful equity, and exceptional teammates. 100% on-site in our Munich office, where we build together every day.

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