Updated for 2026

Big Data Engineer
Resume Example

A resume format for big data engineers working with petabyte-scale systems. Built to highlight throughput, latency, and distributed processing expertise.

ATS Score
90
Excellent
Keywords · Impact · Format
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Yuki Nakamura

San Jose, CA  |  [email protected]  |  (555) 273-6841  |  linkedin.com/in/yukinakamura
Summary

Big data engineer with 7 years of experience building distributed data processing systems handling 15TB daily ingestion. Architected a real-time streaming platform on Spark and Kafka serving 50M events per hour. Deep expertise in Hadoop ecosystem, cloud-native data lakes, and performance optimization.

Technical Skills
Big Data: Apache Spark, Hadoop, Kafka, Flink, Hive, Presto
Cloud: AWS (EMR, S3, Glue, Kinesis), GCP (Dataproc, BigQuery), Azure HDInsight
Languages: Scala, Python, Java, SQL, HQL
Tools: Airflow, Delta Lake, Iceberg, Terraform, Docker, Grafana
Experience
Senior Big Data Engineer - Vortex Media Technologies
  • Architected a Spark Streaming pipeline on AWS EMR processing 50M events per hour from 12 data sources with sub-5-second latency
  • Migrated 3PB of historical data from HDFS to Delta Lake on S3, reducing storage costs by 55% ($180K annually)
  • Optimized Spark job performance through partition tuning and broadcast joins, cutting average job runtime by 40% across 60 daily jobs
  • Built a real-time anomaly detection pipeline using Kafka and Flink that flagged 98.5% of fraudulent transactions within 2 seconds
Big Data Engineer - Cascade Data Systems
  • Developed 45 Spark batch jobs processing 15TB daily across 200-node Hadoop clusters with 99.8% SLA compliance
  • Built a data lake architecture on S3 with Hive metastore integration, serving 180 analysts across 5 business units
  • Created a Presto query layer that reduced ad-hoc query times from 15 minutes to 45 seconds on 8TB datasets
  • Implemented data partitioning and compaction strategies that reduced S3 storage footprint by 30% ($95K annual savings)
Education
M.S. Computer Science - San Jose State University
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Why This Resume Works

1
Throughput metrics dominate

50M events/hour and 15TB daily ingestion prove the engineer works at genuine big data scale.

2
Cost savings quantified

$180K and $95K annual savings show the engineer optimizes for business value, not just technical elegance.

3
Both batch and streaming experience

Spark batch plus Kafka/Flink streaming covers the full big data processing spectrum.

Section-by-Section Breakdown

Summary

Lead with daily data volume or event throughput. These are the numbers that define big data roles.

Skills

List specific Hadoop ecosystem tools. Separate batch (Spark, Hive) from streaming (Kafka, Flink) technologies.

Experience

Every bullet needs a scale metric: TB processed, events per hour, node count, or cost saved.

Education

MS in CS or data engineering is common. Spark and cloud certifications are valued.

Key Skills for Big Data Engineer Resumes

Based on analysis of thousands of job postings, these are the most frequently required skills:

Apache Spark Hadoop Kafka Flink Scala Python AWS EMR Delta Lake Hive Presto S3 Data Lakes Stream Processing Distributed Systems Airflow Performance Tuning

Common Mistakes on Big Data Engineer Resumes

  • Saying 'big data' without scale numbers - Without TB counts or event throughput, recruiters cannot verify the scale claim.
  • Listing Hadoop tools without context - Mention cluster size, data volume, and SLA. Tools alone do not prove big data experience.
  • No cost optimization bullets - Big data is expensive. Showing cost savings proves you manage resources responsibly.
  • Ignoring streaming in favor of batch only - Real-time processing is increasingly expected. Show Kafka, Flink, or Spark Streaming experience.
  • Missing performance tuning details - Partition strategies, join optimization, and serialization choices separate senior from junior engineers.

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