Backend Data Engineer: Scalable Pipelines & APIs

Cornerstone Defense LLC; Chantilly (VA); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health plans

PTO

401(k)

HSA/FSA

Life Insurance

Tuition reimbursement

Perks at Work

Referral program

529 plan

Fitness reimbursement

Travel assistance

Lifelock benefit

Financial & legal services

Job summary

Cornerstone Defense LLC is seeking a Software Engineer to build scalable backend solutions for data ingestion, transformation, and API services. The role blends backend engineering with data pipeline development, delivering robust, modular services for diverse data sources in an Agile team.

You will design and implement data-centric software that supports operational and analytical systems, emphasizing performance, reliability, and maintainability.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Experience building scalable backend and data pipelines.
• Strong knowledge of APIs, microservices, and data stores.

Responsibilities

• Design and develop scalable backend services and data ingestion solutions.
• Perform data modeling, data mapping, and large-scale file manipulation.
• Collaborate in an Agile environment with minimal supervision.
• Drive process improvements with hands-on development.
• Optimize applications for speed and scalability.

Skills

NodeJS

Python

APIs & microservices

ETL pipelines

Data ingestion

Team collaboration

NoSQL datastores

Education

Bachelor's Degree in CS/EE or related

Tools

NiFi

Elastic

RabbitMQ

MongoDB

Job description

Cornerstone Defense LLC is seeking a Software Engineer to build scalable backend solutions for data ingestion, transformation, and API services. The role blends backend engineering with data pipeline development, delivering robust, modular services for diverse data sources in an Agile team.

You will design and implement data-centric software that supports operational and analytical systems, emphasizing performance, reliability, and maintainability.