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Data Engineer (Python, JavaScript, Pentaho) - TS/SCI Poly

Leading Path Consulting
Full Timemid
McLean, Virginia, US$150k – $275kPosted March 18, 2026

Salary Context

This role offers $150k–$275k. The median for Mid-level backend roles is $96k–$158k (based on 82 listings). 67% above median.

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PythonJavaScriptSnowflakeAgile

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Job Description

We’re looking for a Data/Software Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structure to complex data environments.

As part of our Agile team, you’ll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources. You’ll play a key role in building robust, reusable APIs and data pipelines that support critical operational and analytical systems.

KEY RESPONSIBILITIES

 Design and develop scalable backend services and data ingestion solutions.

 Perform data modeling, data mapping, and large-scale file manipulation.

 Collaborate across disciplines in an Agile environment with minimal supervision.

 Drive innovation and process improvement with a hands-on development approach.

 Optimize application for maximum speed and scalability.

Required Skills

1. Demonstrated experience with Pentaho (other ETL tools may substitute if strong experience across all other listed required skills)

2. Demonstrated experience identifying and validating requirements for Extract, Transform, and Load systems.

3. Demonstrated experience in Python development.

4. Demonstrated experience with PySpark

4. Demonstrated experience with JavaScript

4. Demonstrated experience in integrating new technology stacks into software systems.

Desired Skills

1. Demonstrated experience developing custom components with Pentaho

2. Demonstrated experience with Snowflake

3. Demonstrated experience with Databricks

Requirements

Active TS/SCI w/ FS Poly required

Required Skills

1. Demonstrated experience with Pentaho (other ETL tools may substitute if strong exoerience across all other listed required skills)

2. Demonstrated experience identifying and validating requirements for Extract, Transform, and Load systems.

3. Demonstrated experience in Python development.

4. Demonstrated experience with PySpark

4. Demonstrated experience with JavaScript

4. Demonstrated experience in integrating new technology stacks into software systems.

Benefits

Leading Path is an award-winning Information Technology and Management Consulting firm focused on providing solutions in process, technology, and operations to our government and Fortune 500 clients. We offer a professional and family friendly work environment with a strong work-life balance. Leading Path provides a comprehensive and competitive benefits package including fully paid medical/dental/vision premiums, generous PTO, 11 Paid Holidays, 6% 401K contribution, annual training and tuition reimbursement, SPOT Award bonuses, regular team events, opportunities for professional growth and advancement and much more!

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