Mission-Critical Backend Engineer (TS/SCI)

Ennoble First Inc.; Gaithersburg (MD); On-site; USD 105,000 - 125,000; Full time

Job summary

Ennoble First is seeking a Mid-Level Backend Software Engineer to support a high-visibility data-driven application across multiple sites, including Gaithersburg, MD. The role focuses on scalable backend services, RESTful APIs, and Linux-based environments, with Java or Python and SQL experience.

This position is full-time and requires TS/SCI clearance with polygraph, with on-site work at multiple U.S. locations.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field with 4-8 years of experience.
• Active TS/SCI with the ability to successfully pass a Polygraph.
• Professional experience developing object-oriented applications in Java or Python.
• Hands-on experience building and maintaining RESTful APIs.
• Basic to moderate experience with SQL capability, including writing queries and working with relational databases.
• Working knowledge of Linux-based environments.

Responsibilities

• Design, develop, test, and maintain backend application components using Java or Python.
• Develop and maintain RESTful services to support application functionality and system integrations.
• Apply object-oriented design principles to build scalable and maintainable systems.
• Write and modify SQL queries to support application functionality and data retrieval.
• Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems.
• Develop and troubleshoot applications within Linux-based environments.
• Implement backend logic for data transformation, processing, and system workflows.
• Identify, debug, and resolve application-level defects and performance issues.
• Follow coding standards, participate in code reviews, and support documentation efforts.

Skills

Java

Python

REST APIs

SQL

Linux

Data processing

Education

Bachelor's degree in CS/SE

Tools

Spring Boot

Django

GitLab

Jenkins

Docker

OpenShift

Job description

Ennoble First is seeking a Mid-Level Backend Software Engineer to support a high-visibility data-driven application across multiple sites, including Gaithersburg, MD. The role focuses on scalable backend services, RESTful APIs, and Linux-based environments, with Java or Python and SQL experience.

This position is full-time and requires TS/SCI clearance with polygraph, with on-site work at multiple U.S. locations.