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Tomasz Dubiel

Resume

·416 words·2 mins
Tomasz Dubiel
Author
Tomasz Dubiel
I do it four the nines

Some Things I’ve Done
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Shopify – SRE
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November 2021 – Present

Foko Retail — DevOps Engineer
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Acquired by Workforce Software` November 2020 – November 2021

  • Introduced distributed tracing to Foko’s microservice backend using OpenTelemetry, reducing production issue triage time from hours to minutes.
  • Designed and implemented an MVP analytics/reporting ETL pipeline, enabling Customer Success to self-serve reports without engineering support.
  • Led implementation of data-driven autoscaling policies during cloud migration from AWS to GCP, eliminating manual intervention.

Technologies: GCP (GKE, BigQuery, Memorystore), Kubernetes, ArgoCD/Workflows, flux2, OpenTelemetry

Micro Focus — Tech Lead, Kubernetes
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February 2019 – October 2020

  • Architected Kubernetes deployments for Interset’s big data infrastructure.
  • Led the integration of Interset’s analytics engine with HPE ArcSight, a milestone project following the acquisition.
  • Delivered internal training sessions:
    • Technical deep-dives on Spark and Vertica on Kubernetes
    • High-level overviews of ML/AI in cybersecurity for cross-functional teams
  • Created data integrity tests that uncovered and resolved critical reliability issues.

Technologies: Kubernetes, Docker, Apache Kafka, AWS, HPE Vertica, ArcSight CDF, SaltStack

Interset — Data Engineer
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Acquired by Micro Focus August 2017 – February 2019

  • Developed Vertica integrations that helped shape Micro Focus’s acquisition strategy.
  • Supported critical customer escalations in collaboration with Customer Success and Support teams.
  • Mentored co-op students and led “Lunch & Learn” workshops on essential dev tools.
  • Productionized ML models (Scala, Spark) developed by the data science team.
  • Investigated and resolved performance issues in Spark and HBase due to misconfigurations.
  • Optimized SQL queries, reducing run times by up to 60%.

Technologies: Apache Spark, HBase, Kafka, Phoenix, NiFi, Elasticsearch, Vertica, Scala, Java, R, Jenkins, Docker

Rizn.IO — Co-Founder
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April 2016 – August 2017

  • Built a decision management platform for probabilistic reasoning from expert input.
  • Developed the backend (Python, Django, Celery) and frontend (Angular, TypeScript).
  • Delivered technical demos and fielded deep technical Q&A for investors and prospective clients.

Technologies: Django REST Framework, Angular, TypeScript, Celery, RabbitMQ, Postgres, Python

MicroMetrics — Data Science Intern
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March 2015 – October 2015

  • Conducted data exploration on survey datasets stored in Excel.
  • Designed algorithms to detect abuse and preserve data quality.
  • Built comparative datasets to serve as experimental controls.
  • Performed sentiment analysis to extract high-value customer insights.

Technologies: Python

Education
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Bachelor of Mathematics, Carleton University — 2014

Extracurriculars
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The Moonroom — Barback
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June 2014 – July 2017

  • Sometimes you need to work in a bar for 3 years and find yourself.
  • Created the Moonroom’s ice program by hacking together freezers and water pumps to craft a block ice machine.