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From the employer's careers site First seen 4 Nov 2026

Langfuse - Senior Backend Engineer (US-East)

Langfuse New York Remote senior full-time

The employer hasn't listed a salary.

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Description

You will be a Senior Backend Engineer at Langfuse, working remotely. Your work will have a significant impact on the company's infrastructure, which handles terabytes of AI tracing data daily. You will focus on making Langfuse fast and affordable at scale, owning the ingestion pipeline, optimizing ClickHouse data models and queries, and building backend abstractions.

Responsibilities:

  • Own and optimize the ingestion pipeline
  • Make ClickHouse fast by designing schemas, optimizing merge strategies, and tuning batch inserts
  • Build new infrastructure-heavy features
  • Test with real data in production
  • Scale for what's next

Requirements:

  • Strong backend engineer with experience in database internals, query optimization, and distributed systems
  • Experience with analytical databases, data pipelines, or high-throughput event processing
  • Comfortable reading and writing TypeScript and SQL
  • Interest in open-source software and genuine enjoyment talking to users about their scaling challenges

Perks:

  • Flexible work environment
  • Healthcare with employer contributions
  • Equity in the company
  • Time off
  • A USD$500 Home office setup for remote employees
  • Global Gatherings

Skills

Required

Nice to have

  • Experience with ClickHouse
  • other OLAP databases
  • observability infrastructure
  • Former founder
  • Background in building data-intensive systems at scale

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.ashbyhq.com/clickhouse/9fbe839e-6ccf-436d-8d83-7a0b3481bfc8

Apply on Langfuse