About the company
Shalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide innovative tools for e-commerce monitoring.
At Shalion, we empower brands to make smarter business decisions in eCommerce by delivering actionable data and insights on online product prices, availability, share of search, and more. We operate across 1000+ e-retailers in 60+ countries, serving industry giants such as Heineken, Lego, Danone, Nestlé, and JDE.
As a leader in data intelligence, we specialize in gathering, analyzing, and applying proprietary artificial intelligence to deliver relevant data and monitoring tools, helping our clients maximize their e-commerce performance.
We want to boost the product team and are looking for a Senior Backend Engineer who leads the backend initiatives, decides on the technologies we use, and leads new technical solutions for what we want to build next. This sits alongside our internal software team.




what you will build is the unified engineering function behind them, the frameworks, standards, and way of working.
What matters is that you stay hands on, in the architecture and the tougher technology decisions, like tradeoffs on tech stack or when to rebuild versus patch, not just in oversight. Lead back end development across our products, owning the engineering roadmap for new features.
Manage the existing backend engineer, staying hands on in the work, with the team potentially growing further down the line.
5+ years of hands-on experience in back end engineering, ideally across multiple products, including at least 1 year in a management capacity
~ Today our stack includes Kotlin, Python, React, Langgraph, aws, snowflake though deciding where we go next is part of the job.
~ Professional fluency in English and Spanish, both required.

Frontend knowledge to be able work with those teams and be autonom

📌 Engineer - back End Developer (España)
🏢 Shalion
📍 España