About The Role

BT-338 – Data & Software Engineer

Skill Level: Mid-SME

Location: McLean, VA (fully on-site, no remote option)

**Please do NOT apply if you do not have an active Poly clearance. Those without a Poly will not be considered.**

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an understanding of data security, privacy, governance and compliance principles and a demonstrated history of building production data pipelines and ETL workflows at scale.

Candidate must have experience

Building end-to-end data pipelines leveraging Python
Using orchestration tools to deploy data pipelines, including configuring and updating Spark Jobs
Containerizing and deploying applications in cloud environments like AWS.
Working with MySQL and PostgreSQL including performance tuning, schema design, and query optimization for complex, analytical workloads.
Leveraging industry standard tools for code control (Git, IaaC control, etc.)
Working with data catalogs, tracking data lineage and handling a variety of data formats, including Geospatial.
Using Bash scripting for automation and data processing tasks
Integrating Al/ML services and models

Responsibilities

Work with stakeholders to understand data requirements, assess feasibility, and design appropriate solutions with minimal oversight
Leverage strong problem-solving and debugging skills for data quality issues, pipeline failures, and performance bottlenecks
Leverage a background in large-scale data migration or platform modernization efforts
Contribute to data engineering documentation, best practices, and design patterns.

Required Skills

Minimum of 5 years' experience with

Apache Spark & PySpark

Advanced Python skills (including Pandas & NumPy)

Docker, Podman

AWS S3, Lambda & Step functions
Apache Iceberg, Airflow, etc.

SQL (with Trino)

NoSQL, DynamoDB

Unity Catalog OSS, Apache Polaris

Apache Superset

Terraform or CloudFormation

OpenLineage

H3, PostGIS

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