Data Developer / Data Engineer

The Data Developer works within the ETL and Operations team to design, develop, and maintain data pipelines on AWS that drive analytic solutions from diverse, disparate sources (network telemetry, WiFi platform data, billing, and provisioning), routinely processing billions of records per day. Education & experience: Bachelor's degree in Computer Science, Engineering, Information Systems, or a related field, or equivalent experience; 2+ years of data engineering / ETL experience.

Join a Global Leader in Workforce Solutions – Net2Source Inc.
Who We Are
Net2Source Inc. isn't just another staffing company, we're a powerhouse of innovation, connecting top talent with the right opportunities. Recognized for 300% growth in the past three years, we operate in 34 countries with a global team of 5,500+. Our mission? To bridge the talent gap with precision—Right Talent. Right Time. Right Place. Right Price.

Role name: Data Developer / Data Engineer
Work Location: Denver, CO (Onsite)
Duration: 12 + Months

The Data Developer works within the ETL and Operations team to design, develop, and maintain data pipelines on AWS that drive analytic solutions from diverse, disparate sources (network telemetry, WiFi platform data, billing, and provisioning), routinely processing billions of records per day. The ideal candidate is a skilled data engineer who solves problems in a highly technical, cross-functional environment, with oversight and support from Lead Developers.
Major Duties and Responsibilities:
Coordinate, build, and manage new data ingests from network, WiFi, billing, and provisioning sources.
Implement updates, fixes, and optimizations across a large suite of production ETL jobs.
Build and tune Spark SQL and PySpark transformations on AWS EMR at billions-of-records-per-day scale.
Write and optimize Athena (Trino/Presto) queries for adhoc analysis, validation, and stakeholder support.
Contribute to the migration from legacy orchestration (Step Functions) to Airflow / MWAA DAGs and a centralized Python Job Framework.
Participate in GitLab merge request reviews and follow CI/CD deployment workflows (staging to production).
Monitor production pipelines, respond to data quality alerts and job failures, and partner with analysts and data scientists on aggregation processes.
Required Qualifications
Strong SQL - Spark SQL and Athena (Trino/Presto), including comfort moving logic between both dialects.
AWS & orchestration - EMR, S3, Glue Data Catalog, Athena, Lambda, Step Functions, and Airflow / MWAA.
Large-scale data - billions of records per day on partitioned data lakes (Parquet with ZSTD on S3).
Python scripting - PySpark and orchestration / control scripts.
Pipelines & optimization - building and tuning pipelines end to end (partition pruning, join strategy, shuffle and AQE tuning).
Version control & shell - Git / GitLab (branching, MRs, peer review) and Bash for automation on Linux / EMR.
Collaboration & learning - strong communication with analysts, scientists, and architects; ability to pick up new technologies quickly.
Education & experience:
Bachelor's degree in Computer Science, Engineering, Information Systems, or a related field, or equivalent experience; 2+ years of data engineering / ETL experience.
Preferred Qualifications:
Apache Iceberg - table format, MERGE patterns, and Spark-managed DDL (team is actively adopting).
Data modeling - dimensional modeling, slowly changing dimensions, and medallion (bronze/silver/gold) layering.
AI-assisted development - comfort using approved AI coding assistants (Amazon Q, Kiro, GitLab Duo) to accelerate development, review, and troubleshooting; AI / ML pipeline exposure a plus.
Hadoop / Hive - familiarity with the Hadoop ecosystem and HiveQL for legacy table definitions and SQL-on-Hadoop concepts.

Why Work With Us?
We believe in more than just jobs—we build careers. At Net2Source, we champion leadership at all levels, celebrate diverse perspectives, and empower you to make an impact. Think work-life balance, professional growth, and a collaborative culture where your ideas matter.
Our Commitment to Inclusion & Equity
Net2Source is an equal opportunity employer, dedicated to fostering a workplace where diverse talents and perspectives are valued. We make all employment decisions based on merit, ensuring a culture of respect, fairness, and opportunity for all, regardless of age, gender, ethnicity, disability, or other protected characteristics.
Awards & Recognition
• America's Most Honored Businesses (Top 10%)
• Fastest-Growing Staffing Firm by Staffing Industry Analysts
• INC 5000 List for Eight Consecutive Years
• Top 100 by Dallas Business Journal
• Spirit of Alliance Award by Agile1
Ready to Level Up Your Career?
Click Apply Now and let's make it happen.

Best regards,
Juan C. Matus 
Sr. Customer Success Manager