Ivan Marin, data engineer

Ivan Marin

Senior Data Engineer

Belgrade, Serbia · Europe/Belgrade (UTC+2) · 12 years of experience

Ivan focuses on dependable data products with tested transformations, lineage, and freshness controls.

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Why 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

SQLPythondbtSparkAirflow

Delivery evidence

Selected work

Cloud Data Platform Migration

travel technology

Designed and delivered a production data platform focused on data platform modernization; migrated 420 pipelines to a governed cloud platform with no missed reporting cycle. The release included tested transformations, lineage, freshness SLOs, backfill procedures, and cost monitoring.

SQLPython

Pipeline Migration Control Tower

travel technology operations

Built 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.

SQLSpark
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Relevant experience

Career timeline

Senior Data Engineer

2022–Present

Devlyn client assignments · Remote

  • Led data platform modernization delivery for a travel technology team and migrated 420 pipelines to a governed cloud platform with no missed reporting cycle.

Data Engineer

2013–2021

travel technology product company (confidential) · Belgrade, Serbia

  • Built production systems in travel technology, with increasing ownership of reliability, testing, and stakeholder delivery.

Skill depth

Show experience in context.

VerbalCommunicationDomainUnderstandingProblemSolvingCodeQualitySystemDesignDeliverySpeed
Competency shapeAssessment across the same six dimensions used for every profile.

Relevant experience by skill

SQL12 years
Python11 years
dbt10 years
Spark9 years
Airflow12 years
Data Modeling11 years
See the complete skill index

Languages

PythonTypeScriptSQLBash

Frameworks

PythondbtSparkKafkaFlinkGreat Expectations

Tools

TerraformDockerDagsterGitHub ActionsDocker

Platforms

DatabricksSnowflakeBigQueryAWS

Storage

Delta LakeSnowflakeBigQueryPostgreSQL

Paradigms

Data contractsMedallion architectureStreaming pipelinesData observability

Credentials

Certifications

Google Cloud Professional Data Engineer

Google Cloud · 2026 · Certified

Databricks Certified Data Engineer Associate

Databricks · 2025 · Certified

Communication

Languages

English

Fluent

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