Diego Herrera
Senior Data Engineer
Medellín, Colombia · America/Bogota (UTC-5) · 7 years of experience
Diego focuses on dependable data products with tested transformations, lineage, and freshness controls.
Request a shortlistWhy this profile fits
Trustworthy data products
Defines contracts, tests, ownership, lineage, and freshness expectations for data used by teams and models.
Scalable processing
Chooses batch, streaming, and storage patterns around volume, latency, recovery, and operating cost.
Operable pipelines
Designs idempotent jobs, backfills, alerting, and incident procedures rather than treating a successful first run as done.
Relevant toolkit
Python
dbt
Spark
AirflowDelivery evidence
Selected work
Consent-Aware Customer 360
retailDesigned and delivered a production data platform focused on customer data platforms; improved identity-match precision to 96% while documenting consent and deletion flows. The release included tested transformations, lineage, freshness SLOs, backfill procedures, and cost monitoring.
Identity Resolution Quality Suite
retail operationsBuilt the supporting control and measurement layer for the primary system, covering review queues, regression checks, operational visibility, and a documented handoff to the owning team.
Relevant experience
Career timeline
Senior Data Engineer
2024–PresentDevlyn client assignments · Remote
- Led customer data platforms delivery for a retail team and improved identity-match precision to 96% while documenting consent and deletion flows.
Data Engineer
2020–2023retail product company (confidential) · Medellín, Colombia
- Built production systems in retail, with increasing ownership of reliability, testing, and stakeholder delivery.
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Skill depth
Show experience in context.
Relevant experience by skill
See the complete skill index
Languages
Frameworks
Tools
Platforms
Storage
Paradigms
Credentials
Certifications
AWS Certified Data Engineer – Associate
Amazon Web Services · 2024 · Certified
Google Cloud Professional Data Engineer
Google Cloud · 2023 · Certified
Communication
Languages
English
Fluent
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