Professional Resume Template for

ETL Developer

Devon M. Reynolds

Denver, CO

(303) 555-0142

devon.reynolds@email.com

linkedin.com/in/devon-reynolds | github.com/devonreynolds | devonreynolds.dev

Professional Summary

Pragmatic ETL Developer with 5 years of experience architecting and optimizing enterprise data pipelines in cloud environments. Expertise includes designing schemas, orchestrating workflows, and tuning query performance. Successfully reduced data latency by 35% and cut cloud compute costs by 22% using Snowflake and Apache Airflow. Proficient in Python, SQL, AWS, and dbt.

Work Experience

ETL Developer — Apex Analytics

Denver, CO | September 2023 – Present

  • Designed and implemented 14 production data pipelines using Apache Airflow and Snowflake, processing 8.5TB of daily log data.
  • Optimized complex SQL queries and indexing strategies, reducing ETL runtime by 42% and database processor load by 18%.
  • Refactored legacy SSIS packages into Python-based Spark jobs, saving $38,000 in annual licensing costs and accelerating execution by 2.5x.
  • Built data validation checks and automated alerting workflows, decreasing reporting data discrepancies by 29% and improving data quality SLAs to 99.9%.

Associate ETL Developer — Summit Data Works

Boulder, CO | July 2021 – August 2023

  • Constructed 8 data ingestion pipelines using Python and AWS Glue, loading 120M+ transaction records weekly into Redshift.
  • Wrote and optimized over 200 SQL stored procedures, cutting reporting latency by 28% for a team of 45 business intelligence users.
  • Automated scheduled data warehouse backup and archiving scripts using AWS Lambda, reducing storage costs by 15%.
  • Collaborated with QA teams to develop automated integration tests, identifying and resolving 60+ ETL pipeline bugs prior to production release.

Education

Bachelor of Science in Information Systems

University of Denver · Denver, CO · 2021

Skills

Python, SQL, Apache Airflow, Snowflake, AWS Glue, AWS Redshift, AWS Lambda, dbt, Spark, SSIS, Data warehousing, ETL pipeline design, Star schema modeling, Performance tuning, Data quality assurance

Projects

Real-Time Telemetry Pipeline

Role: Lead Data Developer

Tools: Apache Kafka, Apache Airflow, Snowflake, Python

Built a streaming data ingestion system handling 5,000 requests per second, reducing analytics dashboard latency from 4 hours to under 3 minutes.

Data Warehouse Modernization

Role: ETL Developer

Tools: dbt, Snowflake, AWS Redshift, GitHub Actions

Migrated 80 legacy database schemas to a modern data stack, improving query performance by 45% and reducing storage overhead by 20%.

Certifications

  • AWS Certified Data Engineer – Associate (2024)
  • SnowPro Core Certified (2022)

Additional information

  • Languages: English (Native), Mandarin (Conversational)
  • Volunteer Work: Tech mentor at Denver Urban League (2023-present)
  • Availability: 2 weeks notice

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Job Market Insights

Market data and opportunities for

ETL Developer

Job Market Insights

$90,000

-

$135,000

Avg:

$112,000

Growth Outlook:

The employment outlook for ETL Developers and Data Engineers in the United States remains strong, driven by exponential increases in enterprise data volumes and the adoption of cloud analytics and AI tools. As organizations shift from legacy systems to cloud-native platforms, professionals who specialize in cloud integration, pipeline orchestration, and data modeling will face high demand. Employment in this domain is projected to grow by 8% over the next decade.

8% growth over 10 years

Key Skills Required

Focus on these skills when customizing your resume for recruiter screenings.

Expertise in designing, building, and optimizing automated ETL/ELT pipelines using SQL, Python, and cloud warehouses like Snowflake or Redshift || Proficient with modern orchestration tools such as Apache Airflow or dbt to manage workflow dependencies and data transformations || Hands-on experience with cloud data integration services including AWS Glue, Azure Data Factory, or Google Cloud Dataflow

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FAQ

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ETL Developer

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