Senior Backend Engineer – Data, Search, Infrastructure

Infrastructure EngineerInfrastructure EngineerFull TimeRemoteSeniorTeam 1-10H1B No SponsorCompany SiteLinkedIn

Location

Austria

Posted

2 days ago

Salary

€60K - €90K / year

Seniority

Senior

Job Description

Senior Backend Engineer – Data, Search, Infrastructure

Paperpile

• 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, and exposing clean APIs.

Job Requirements

  • 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**. It’s fine if you come from a different background, such as Java or Python, but you should be comfortable working in this environment.
  • High standards for **data quality**. You think carefully about 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.**
  • More useful experience:**
  • 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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