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Elastic

Principal Software Engineer - Search Algorithms - Elasticsearch

Elastic · Ireland

Posted 20 days ago

or apply directly on Elastic's site. We never take the application ourselves.

Is this posting real?

This role has been open
20 days
Elastic's roles stay open a median of 32 days
Reposted
No
Salary listed
No
0% of Elastic's roles list one
Ghost-job risk at Elastic
low
0 stale, 5 reposted of 372 open
Hiring momentum
495 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Elastic's own greenhouse board since 2026-08-03. Full hiring picture for Elastic.

About this role

The Principal Software Engineer will join the Elasticsearch - Search team, focusing on enhancing vector similarity search functionality within Elasticsearch. Responsibilities include designing and implementing new vector search features, improving existing functionalities, and resolving bugs. The role involves collaboration with a globally distributed team and requires writing modern Java code while contributing to the Elasticsearch project.

Our read on this posting3.2out of 5
benefits
4/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Elastic as an employer.

What you need

  • Professional experience with vector similarity and vector databases, using HNSW, IVF, or other relevant algorithms and libraries on search platforms at scale
  • Strong skills in core Java and familiarity with data structures and concurrency constructs
  • Ability to work autonomously and guide projects from beginning to end
  • Excellent verbal and written communication skills
  • Proven track record of using AI to accelerate development and optimize code
  • Experience with several data storage technologies like Elasticsearch, Solr, PostgreSQL, MongoDB, or Cassandra

Nice to have

  • Experience building with Elasticsearch
  • Familiarity with open source projects and different styles of source control workflow
  • Experience designing, leading, and owning cross-functional initiatives

What you get

  • Competitive pay based on the work you do
  • Health coverage for you and your family in many locations
  • Flexible locations and schedules for many roles
  • Generous number of vacation days each year
  • Financial donation matching up to $2000
  • Up to 40 hours each year for volunteer projects

Worth weighing

  • No variable compensation component mentioned
  • Salary range provided, but may vary based on experience and other factors
  • Role involves significant collaboration over the internet, which may be challenging for some

Summarised from Elastic's posting. Read the full original.

Listed by Elastic on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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