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Oscar Mason

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Data Engineer at Quarry Energy · Data pipelines · dbt, Airflow

Works at
Quarry Energy
Location
London, UK · GMT (UTC+0)
Experience
1+ years experience
Education
University of Cambridge
Languages
English
Open to work
Message Connect

Overview

I've spent 1 years on data pipelines, now at Quarry Energy. Cut p99 latency on the data platform services from 317ms to 69ms. Wrote the Kafka service that now handles 72 million requests a day. Chess on lunch breaks.

Good reasons to reach out
  • Roles in demand forecasting
  • Questions about demand forecasting
  • Working sessions on Airflow
  • Thoughtful intros to people in my field
Please don't message about
  • SEO and link-building offers
  • Unpaid work or spec projects
  • Generic networking requests
Skills
SparkAirflowdbtSQLKafkaIceberg
Open to workLooking for a role
closes in 3 months

Next role: Data Engineer in B2B SaaS, London or hybrid

Target roles
Data Engineer
Level
Mid
Industries
Climate tech, Healthtech
Work mode
Hybrid
Available
From next quarter
Work authorization
Authorized to work in the UK
What I'm looking for
Hands-on work on Spark with room to mentor.
Not interested in
Night shifts

1 years in data pipelines. Strongest at Spark and SQL. Available immediately.

London, UKsqldbtkafka
Open

Experience

  1. Data Engineer
    Oct 2025 - Present
    Quarry Energy · 1 yr 1 mo · Full-time · London, UK
    • Taught SQL to 122 non-analysts.
    • Cut forecast error from 35% to 10% across 3593 SKUs.
    • Reduced stock-outs by 34% in the first season.

Projects

Write-up: demand forecasting in practice
2024

A long-form guide to demand forecasting for people starting out.

References

No references yet.

Education

  1. University of Cambridge
    BA, Mathematics
    2021 - 2024

Details

Compensation expectations
What they are targeting for their next role.
Visible to connections
Direct contact details
Direct email and a scheduling link.
Visible to connections

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