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Software Development Engineer: Search Relevance in Barcelona


Est. Salary
30,000 - €40,000
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Job Description

Within Amazon Search, the Relevance team has a mission to help customers efficiently find anything they are looking for. This charter requires us to build innovative ranking solutions that operate at Amazon's scale, across diverse product categories, and focus on our customers' long-term satisfaction. We dive deep to figure out idiosyncrasies of how customers shop , make purchase decisions for their business, browse the catalog, or choose things to buy, then we turn these learnings into innovative machine learned ranking solutions to improve customer satisfaction and business metrics.

In this role you will leverage your strong engineering background to help build the next generation of our ranking model development and assessment framework, harnessing and explaining rich data at Amazon scale, and providing automated insights to ensure the quality and operational stability of machine learned rankers that impact millions of customers every day. This role requires a pragmatic problem solver comfortable with ambiguity, with deep expertise in data processing at scale. The ideal candidate will have deep experience in data processing at scale in customer-facing applications. Additionally, we are seeking candidates with strong rigor in engineering, deep curiosity and interest for applied sciences, creativity, and great judgment.

We are building a new team in Barcelona and joining us, you’ll experience the benefits of working in a dynamic, entrepreneurial environment, while leveraging the resources of (AMZN). You will work with the largest online retail search application in the world, both in terms of users, catalogue size, and computing resources, and your work will directly impact millions of our customers.

As a member of our Search team, you will work alongside internationally recognized experts in science and engineering to develop novel algorithms and modeling techniques to advance the state-of-the-art in search and natural language processing. You will be expected to collaborate with the Core AI group in Barcelona and other groups at Amazon including Search.


· Bachelor’s degree in computer science or related technical field (in lieu of degree, 4 years of relevant work experience).
· At least 4 years of hands-on experience developing large-scale data processing pipelines or analytics in production (e.g., Hadoop, Hive, Spark, Presto, Kafka, Airflow, and similar).
· Hands-on experience developing production code in C++ or Java, as well as high-level scripting languages like Python.
· Familiarity with AWS services.


· Master’s or PhD in a Computer Science and/or 2+ years of practical experience.
· Expertise in Computer Science fundamentals in data structures, algorithm design, and complexity analysis.
· Intermediate, or higher, understanding of Machine Learning systems that run within a web based system/application.
· Demonstrated ability to communicate well and discuss complex topics with both technical and business audiences.
· Strong sense of ownership with an entrepreneurial ‘think big’ mind-set.

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