

Cornerstone Defense
Data Engineer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Engineer in Chantilly, VA, with a contract length of unspecified duration and a pay rate of "unknown." Key skills include NodeJS or Python, ETL workflows, and NoSQL experience. A Bachelor's degree and five years of software engineering experience are required.
π - Country
United States
π± - Currency
Unknown
-
π° - Day rate
Unknown
-
ποΈ - Date
April 27, 2026
π - Duration
Unknown
-
ποΈ - Location
On-site
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
Chantilly, VA
-
π§ - Skills detailed
#"ETL (Extract #Transform #Load)" #Data Engineering #Computer Science #NoSQL #Python #Microservices #Cloud #Data Modeling #Data Pipeline #Data Ingestion #Data Mapping #Scala #MongoDB #Agile #NiFi (Apache NiFi)
Role description
DATA ENGINEER
Chantilly, VA
JOB DESCRIPTION
Weβre looking for a Data 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, youβll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources. Youβll 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.
QUALIFICATIONS
- Bachelorβs Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
- At least five (5) years of related experience software engineering experience.
REQUIRED KNOWLEDGE/SKILLS
- Knowledge of NodeJS or Python
- Strong understanding of APIs, microservices, and distributed systems.
- Solid experience in building and maintaining ETL workflows and data pipelines.
- Excellent organizational, coordination, interpersonal and team building skills.
- Familiarization with NoSQL datastores.
DESIRED KNOWLEDGE/SKILLS
- NiFi experience
- Hands-on experience working with Elastic and RabbitMQ
- NoSQL experience (i.e. MongoDB)
- Distributed architecture creation
- Cloud based architecture creation or experience
DATA ENGINEER
Chantilly, VA
JOB DESCRIPTION
Weβre looking for a Data 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, youβll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources. Youβll 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.
QUALIFICATIONS
- Bachelorβs Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
- At least five (5) years of related experience software engineering experience.
REQUIRED KNOWLEDGE/SKILLS
- Knowledge of NodeJS or Python
- Strong understanding of APIs, microservices, and distributed systems.
- Solid experience in building and maintaining ETL workflows and data pipelines.
- Excellent organizational, coordination, interpersonal and team building skills.
- Familiarization with NoSQL datastores.
DESIRED KNOWLEDGE/SKILLS
- NiFi experience
- Hands-on experience working with Elastic and RabbitMQ
- NoSQL experience (i.e. MongoDB)
- Distributed architecture creation
- Cloud based architecture creation or experience





