Mikkel Andersen

S

Senior Software Engineer at Pillar Cloud · Search and ranking · learning to rank, Lucene

Pillar Cloud
Helsinki, Finland · EET (UTC+2)
6+ years experience
Sorbonne University
English, Finnish
Open to work
Messaging unavailable

Overview

I work on search and ranking at Pillar Cloud in Helsinki. Brought on-call pages for search down from 34 a week to 4. Most at home with learning to rank and Elasticsearch.

Good reasons to reach out
  • Roles in search and ranking
  • Questions about search and ranking
  • Speaking or podcast invitations
  • Second opinions on Lucene decisions
Please don't message about
  • Unpaid work or spec projects
  • Generic networking requests
Skills
ElasticsearchLuceneA/B testingPythonlearning to rankJavafeature stores
Open to workLooking for a role
closes in 3 months

Next role: Software Engineer in developer tools, Helsinki or hybrid

Target roles
Software Engineer
Level
Mid
Industries
Consumer apps, AI infrastructure
Work mode
Remote
Available
From next quarter
Work authorization
Authorized to work in Finland
What I'm looking for
A team that ships weekly and owns search end to end.
Not interested in
Night shifts

6 years in search and ranking. Strongest at A/B testing and Python. Serving notice now.

Helsinki, Finland · remote OKjavalucenefeature stores
Open

Experience

  1. Senior Software Engineer
    Dec 2023 - Present
    Pillar Cloud · 2 yr 10 mo · Full-time · Helsinki, Finland
    • Mentored 10 engineers through their first promotion.
    • Shipped a rewrite that took build times from 17 minutes to under 4.
    • Led the migration of 36 services to Elasticsearch.
  2. Software Engineer
    Oct 2020 - Dec 2023
    BNP Paribas · 3 yr 2 mo · Full-time · Helsinki, Finland
    • Cut p99 latency on the search services from 714ms to 126ms.

Projects

Write-up: search and ranking in practice
2026

A long-form guide to search and ranking for people starting out.

Conference talk: lessons from search
2022

What went wrong and what worked while scaling search and ranking.

References

No references yet.

Education

  1. Sorbonne University
    Licence, Electrical Engineering
    2016 - 2019

Details

Compensation expectations
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