Line Virtanen

S

CTO · Data pipelines · Iceberg

Quill Works
Helsinki, Finland · EET (UTC+2)
12+ years experience
Stockholm School of Economics
English, Finnish
Hiring
Messaging unavailable

Overview

I've spent 18 years on data pipelines - first at Nokia, now at Quill Works. Shipped 19 launches on the data platform team without a rollback. Before that: Roche and Telefónica. Most at home with Airflow and Kafka.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Speaking or podcast invitations
  • Second opinions on Kafka decisions
  • Thoughtful intros to people in my field
Please don't message about
  • Offshore staffing offers
  • Crypto token projects

Fastest replies in the morning

Skills
SnowflakeKafkaAirflowIcebergPostgreSQL
HiringHiring for a role
closes in 3 months

6 backend engineer roles open on the data platform team in Helsinki

Role
Backend engineer
Level
Senior
Type
Full-time
Work mode
Hybrid
Compensation
$133k-$184k
Team
Data platform, 10 people
Start
This quarter
Must have
Strong SQL and statistics Turns analysis into decisions Clear written communication
Process
Two interviews and a paid trial day

Comp €89k-€125k. Four conversations, no take-home. Message me with one thing you shipped that you're proud of.

Helsinki, Finland · remote OKairflowicebergkafka
Open

Experience

  1. CTO
    Mar 2025 - Present
    Quill Works · 1 yr 7 mo · Full-time · Helsinki, Finland
    • Moved 93% of data platform traffic off a legacy monolith without a customer-facing incident.
    • Reduced cloud spend on data platform by 39% in two quarters.
  2. Principal Engineer
    Jan 2023 - Nov 2024
    Roche · 1 yr 10 mo · Full-time · Helsinki, Finland
    • Sit on 5 boards.
  3. Data Engineer
    Sep 2019 - Jan 2023
    Telefónica · 3 yr 4 mo · Full-time · Helsinki, Finland
    • Taught SQL to 70 non-analysts.
    • Replaced 94 hand-built dashboards with one metrics layer people trust.
  4. Senior Engineering Manager
    Aug 2017 - Sep 2019
    L'Oréal · 2 yr 1 mo · Full-time · Helsinki, Finland
    • Shipped a rewrite that took build times from 21 minutes to under 2.
  5. Engineering Manager
    Dec 2014 - Aug 2017
    Nokia · 2 yr 8 mo · Full-time · Helsinki, Finland
    • Shipped a rewrite that took build times from 40 minutes to under 4.
    • Reduced cloud spend on data platform by 33% in two quarters.

References

No references yet.

Education

  1. Stockholm School of Economics
    MSc, Electrical Engineering
    2010 - 2012
  2. Bocconi University
    BSc, Electrical Engineering
    2004 - 2007

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