Arman Malkhasyan
Summary
Senior Data Engineer
Udemy Instructor
Medium publisher
Experienced Data Engineer with 7+ years in cloud (GCP, AWS) and on-premises environments. Designed and maintained 100+ ETL/ELT pipelines, optimizing batch and stream processing for petabyte-scale data.
- Optimized data processing for 50M+ daily events in real-time streaming applications using Kafka and Spark.
- Designed and implemented Data Warehouse solutions handling 10TB+ of data, reducing query times by 70% through indexing and partitioning strategies.
- Improved cloud cost efficiency by 30% using storage tiering, query optimization, and infrastructure scaling techniques.
- Ensured data governance and compliance (GDPR, CCPA, HIPAA) across 5+ enterprise clients, implementing access control and encryption policies.
- Mentored 10+ junior engineers, leading them in best practices for cloud data engineering and DevOps automation.
- Reduced pipeline failures by 50% through proactive monitoring and CI/CD implementation, enhancing deployment efficiency.
- Collaborated with 20+ business teams to translate data needs into actionable insights, directly impacting revenue and operational KPIs.
Well-versed in Agile and DevOps practices, with expertise in CI/CD (GitHub Actions, Jenkins), version control (Git), and automation.
Overview
9
9
years of professional experience
1
1
Certification
Work History
SENIOR DATA ENGINEER
Commercial Bank of Qatar
12.2023 - Current
- Reduced the costs of the bank by 30% using Real Time streaming and automated workflow
- Designing data architecture and leading platform implementation
- Designing optimized data pipelines (ETL/ELT)
- Creating both Stream and Batch processing applications
- Data Warehouse design
- Data migration
SENIOR DATA ENGINEER
Questrade
09.2022 - 12.2023
- Company Overview: Canada based company
- Working in GCP and on-prem environments
- Designing business solutions
- Creating Stream and Batch processing applications and Developing ETL/ELT pipelines using Dataflow, Dataproc, Cloud functions
- Data Warehouse design in BigQuery and MS SQL Server
- Data migration from on-prem and AWS cloud
DATA ENGINEER
SADA
07.2020 - 09.2022
- Company Overview: USA based consulting company
- Designing business solutions with Consulting & Client Engagement
- Working in GCP, AWS and on-prem environment
- Creating Batch/ Stream applications and Developing ETL/ELT pipelines using modern ELT pipelines with Fivetran
- Data Warehouse design
- Data migration
DATA ENGINEER/PYTHON DEVELOPER
Emergn
01.2018 - 07.2020
- Company Overview: Europe based
- On prem and AWS environments
- ETL/ELT processes
- Process Automation
- Application backend development
- Data Modeling and Data governance
DATA ENGINEER/PYTHON DEVELOPER
NRG
12.2017 - 01.2018
- On prem environment
- ETL/ELT processes
- Workflow orchestration
- Data Lake and Data Warehouse design
ML ENGINEER/STATISTICIAN
01.2016 - 12.2017
- Data Analytics
- Statistics
- Supervised learning algorithms of Machine Learning
Education
Master of Science - Economics And Data Science
American University of Armenia
01.2020
Finance and Accounting - undefined
Armenian State University of Economics
01.2016
Skills
- Python (Pandas, Numpy)
- SQL Databases (PostgresSQL, MS SQL, My SQL, Oracle)
- Apache Airflow
- Apache Kafka
- Pyspark
- Data Build Tool (dbt)
- Google Cloud Platform
- Amazon Web Services
- Databricks
- Docker
- Terraform
- DevOps experience
- Data Analytics experience
- Business Intelligence experience
Accomplishments
The winner of the International Student Olympiads of Mathematics (2020 , 2022)
Certification
1. Google Cloud Certified Professional Data Engineer
2. Google Cloud Certified Professional Cloud Architect
3. Databricks Certified Data Engineer Associate
4. Confluent Certified Developer for Apache Kafka
Timeline
SENIOR DATA ENGINEER
Commercial Bank of Qatar
12.2023 - Current
SENIOR DATA ENGINEER
Questrade
09.2022 - 12.2023
DATA ENGINEER
SADA
07.2020 - 09.2022
DATA ENGINEER/PYTHON DEVELOPER
Emergn
01.2018 - 07.2020
DATA ENGINEER/PYTHON DEVELOPER
NRG
12.2017 - 01.2018
ML ENGINEER/STATISTICIAN
01.2016 - 12.2017
Finance and Accounting - undefined
Armenian State University of Economics
Master of Science - Economics And Data Science
American University of Armenia
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