Junior Data Engineer Resume Template

A template designed for entry-level data engineering roles — structured to highlight SQL proficiency, ETL pipeline experience, and data modeling skills even when your professional experience is limited.

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Tyler Okafor
tyler.okafor@email.com | (312) 555-0198 | linkedin.com/in/tylerokafor | github.com/tokafor-data
Summary

Data engineer with 1 year of experience building ETL pipelines and data models. Interned at Snowflake where I built an automated data quality monitoring system that caught 94% of schema drift issues before they impacted downstream dashboards, and contributed to the open source dbt community with a testing package used by 400+ projects.

Experience
Data Engineering Intern
Snowflake San Mateo, CA
  • Built an automated data quality monitoring pipeline using Python and Great Expectations that validated 15M+ rows daily and caught 94% of schema drift issues before they reached downstream Looker dashboards
  • Designed and implemented 12 dbt models transforming raw event data into analytics-ready tables, reducing the data team’s ad-hoc query load by 35%
  • Created a Slack alerting integration for pipeline failures using AWS Lambda, reducing mean time to awareness from 4 hours to under 3 minutes
Data Analytics Intern
Midland Financial Chicago, IL
  • Migrated 8 legacy Excel-based reports to automated SQL pipelines in PostgreSQL, saving the analytics team 12 hours per week of manual data preparation
  • Built a customer segmentation pipeline processing 2M+ transaction records using Python and pandas, which the marketing team used to target campaigns that generated $180K in new deposits
Projects
dbt-test-utils — Open Source dbt Package
dbt, SQL, Jinja
  • Published a dbt testing utility package with custom schema tests for data freshness, referential integrity, and value distribution, adopted by 400+ dbt projects on the dbt Hub
Chicago Crime Data Pipeline
Python, Airflow, BigQuery, Looker
  • Built an end-to-end data pipeline ingesting Chicago’s open crime dataset (8M+ records), transforming it with Airflow DAGs, loading to BigQuery, and visualizing in Looker with automated daily refreshes
Skills

Languages: SQL, Python   Data Tools: dbt, Airflow, Spark (basics), Great Expectations   Databases: PostgreSQL, BigQuery, Snowflake, Redshift   Infrastructure: AWS (S3, Lambda, Glue), Docker, Git

Education
B.S. Data Science
University of Illinois at Chicago GPA: 3.6/4.0

Writing a data engineer resume when you’re just starting out

SQL is your most important skill — show depth, not just familiarity

Every data engineer job posting lists SQL, but what separates a junior candidate from a mid-level one is the complexity of what you’ve done with it. “Proficient in SQL” on your skills line means nothing. A bullet that says “wrote a recursive CTE to flatten a nested JSON hierarchy across 15M event records, reducing query time from 8 minutes to 12 seconds” shows real depth. On your resume, at least one or two bullets should demonstrate SQL that goes beyond basic SELECT statements — window functions, CTEs, query optimization, or complex joins across large datasets.

Pipeline reliability matters more than pipeline complexity

Hiring managers for junior data engineering roles aren’t expecting you to have built a petabyte-scale Spark cluster. They want to know that you understand what makes a data pipeline reliable: error handling, data validation, idempotent loads, schema evolution, and monitoring. If you built a simple pipeline but added data quality checks with Great Expectations or dbt tests, that’s a stronger signal than a complex pipeline that breaks silently. Mention what happens when your pipeline fails — not just what it does when everything works.

Open source and personal projects fill the gap

Data engineering has a unique advantage for junior candidates: the tools are mostly open source and the datasets are publicly available. A personal project that ingests a public API, transforms the data with dbt or Airflow, and loads it into a warehouse is a legitimate portfolio piece. Contributing to dbt packages, Airflow plugins, or data quality tools shows initiative and technical ability. These projects belong prominently on your resume, not buried at the bottom.

Don’t overstate your Spark experience

Spark shows up on most data engineering job postings, and it’s tempting to list it because you ran a few PySpark jobs in a class. But if an interviewer asks you to explain shuffle operations or partition strategies and you can’t, you’ve hurt yourself. It’s fine to list “Spark (basics)” or mention it in context (“processed 2M records using PySpark”) — just don’t imply expertise you don’t have. Interviewers for junior roles expect you to be honest about what you know and eager to learn the rest.

Key skills for junior data engineer resumes

Include the ones you actually have. Leave out the ones you’d struggle to discuss in an interview.

Technical Skills

SQL Python dbt Apache Airflow PostgreSQL BigQuery Snowflake AWS S3 Docker Git Great Expectations Pandas ETL Design Data Modeling

What Junior DE Interviews Focus On

SQL Proficiency Data Modeling Concepts ETL/ELT Patterns Data Quality Principles Schema Design Pipeline Monitoring Dimensional Modeling Version Control Problem Solving Communication

Recommended template for data engineering roles

Classic resume template preview

Classic

For data engineering roles, especially at the junior level, the Classic template works best. Recruiters at data teams process high volumes of entry-level applications, and a clean serif layout makes it easy to find your SQL skills, pipeline experience, and any warehouse familiarity quickly. Fancy formatting won’t help — your dbt models and pipeline metrics will.

Use this template

Frequently asked questions

What should I put on a data engineer resume with no experience?
Start with projects: build an ETL pipeline using a public dataset, Airflow, and a cloud warehouse like BigQuery. Contribute to open source data tools like dbt or Great Expectations. These demonstrate the same skills (SQL, pipeline design, data quality) that you’d use on the job. One solid pipeline project with monitoring and testing is worth more than five SQL homework assignments.
Do I need to know Spark for a junior data engineering role?
Not necessarily. Many junior DE roles focus on SQL, Python, and tools like dbt and Airflow. Spark becomes important at scale, but most entry-level work involves smaller datasets where PostgreSQL or BigQuery handle the load. List Spark only if you’ve genuinely used it — listing it without depth will backfire in interviews.
Should a junior data engineer resume include a portfolio link?
Yes, if you have one. A GitHub profile with well-documented pipeline projects, dbt packages, or Airflow DAGs is one of the strongest differentiators for entry-level candidates. Make sure your repos have READMEs that explain what the pipeline does, what tools it uses, and how to run it.

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