Senior Backend Engineer
Location
Worldwide
Posted
30 days ago
Salary
€60K - €90K / year
Seniority
Senior
Job Description
Senior Backend Engineer
Paperpile
Role Description Paperpile runs on data at scale, with a literature database of 250M+ academic papers and a growing body of user data accumulated over more than a decade. You'll work across the systems that ingest, process, store, and serve this data reliably: - Building pipelines - Optimizing search - Handling PDFs at scale - Exposing clean APIs Qualifications - Strong backend engineering background with experience building and operating data-heavy systems in production - Experience deploying and operating services on AWS - Experience designing and maintaining data ingestion pipelines handling messy, heterogeneous sources - Comfortable with web scraping and working with third-party data sources and APIs - Familiarity with Node.js and TypeScript (background in Java or Python is acceptable) - High standards for data quality, focusing on correctness, deduplication, and consistency - Solid understanding of full-text search systems including indexing strategy, relevance tuning, and query optimization - Proficient in building reliable REST APIs Requirements - Familiarity with academic publishing formats and data sources (PubMed, Crossref, arXiv…) - Experience with PDF processing pipelines (extraction, transformation, storage and delivery at scale) - Experience with LLM-based document processing or ML pipelines for extracting structured data from unstructured text - Large scale web crawling and scraping Benefits - Base compensation €60,000–€90,000 based on the level of your experience - Bonus/equity program - 4 weeks paid vacation + local holidays - We sponsor co-working space in your city - Learn and grow. Try out new things. We sponsor relevant courses, seminars, and conferences
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