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Rajkumar Rajagopal

@rajkumarrajagopal

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Senior Data Engineer with expertise in data architecture and analytics.

Sweden

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What I'm looking for

I am seeking a role that fosters innovation and collaboration, with opportunities for growth in data engineering and architecture.

I am a Senior Data Engineer with over 8 years of experience specializing in data architecture, cloud data platforms, and real-time analytics pipelines. My career has been marked by a proven track record of leading end-to-end data solutions across various industries, including telecom, manufacturing, and SaaS. I possess deep expertise in Azure, Databricks, Spark, and Airflow, with a strong focus on data quality, governance, and performance optimization.

In my current role at DataBees AB, I architected and deployed a scalable Azure Data Lake Analytics Platform that enables over 10 business units to ingest, transform, and analyze data at scale. I led the development of robust ETL pipelines, improving data processing efficiency by 40%. My commitment to mentoring junior engineers and collaborating with solution architects has been instrumental in fostering a culture of learning and innovation within my team.

Experience

Work history, roles, and key accomplishments

Current

Senior Data Engineer

Current

DataBees AB

Aug 2020 - Present (4 years 11 months)

Architected and deployed a scalable Azure Data Lake Analytics Platform, enabling 10+ business units to ingest, transform, and analyze data at scale. Led development of robust ETL pipelines using ADF, Spark, Databricks, and Airflow, improving data processing efficiency by 40%.

Azure Databricks Spark Airflow Delta Lake PostgreSQL Snowflake Unity Catalog Immuta Lakehouse Federation

Data Engineer / DevOps Engineer

Combient Mix

Sep 2019 - Aug 2020 (11 months)

Designed and implemented data ingestion pipelines across hybrid environments, enabling unified reporting across business entities. Contributed to DevOps automation using Azure pipelines and Docker, increasing deployment velocity by 30%.

Azure Pipelines Docker Data Ingestion DevOps Data Governance

Data Engineer

Cognizant Sweden AB

Apr 2017 - Present (8 years 3 months)

Integrated and migrated legacy systems into a Hadoop-based data lake, processing over 500M+ records daily. Automated data workflows using Airflow, reducing manual intervention by 70%.

Hadoop Hive Talend Airflow Oozie Spark Java Scala Data Lake

Senior Developer

Cognizant

Feb 2014 - Present (11 years 5 months)

Led development and optimization of backend modules for large-scale enterprise platforms. Trained 5+ new engineers, and initiated documentation standards for reusable code assets.

Backend Development Training Documentation

Software Engineer

Velti India Pvt Ltd

Apr 2013 - Present (12 years 3 months)

Developed features for SMS and IVR platforms (AirTxt), servicing millions of telecom users. Conducted end-to-end testing and optimization for carrier-grade performance.

IVR End To End Testing Performance Optimization Telecom

Education

Degrees, certifications, and relevant coursework

VRS College of Engineering & Technology

Bachelor of Science, Computer Engineering Technology

Completed a Bachelor of Science in Computer Engineering Technology. The program provided a strong foundation in engineering principles and computer systems.