Software Integration Engineer

John Galt Staffing; Manassas (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

John Galt Staffing in Manassas, VA seeks a Software Integration Engineer to join a multi-language team. You will integrate components written in C++, Python, and Java across Linux environments, develop workflows and deployment scripts, and lead system-level testing and optimization.

Candidate will collaborate with developers to ensure reliable APIs, messaging, and data formats, while managing test environments and documenting interfaces and best practices in a fast-paced, high compute setting.

Qualifications

• Experience integrating components across C++, Python, and Java.
• Proficiency with Linux OS administration and debugging.
• Familiarity with build systems and CI/CD pipelines for multi-language projects.
• Understanding of REST, gRPC, sockets, and protobuf-based messaging.

Responsibilities

• Integrate software components into cohesive system builds on Linux.
• Develop and maintain integration workflows, build configurations, deployment scripts.
• Lead system-level testing, validation, and troubleshooting across languages.
• Ensure reliable interfaces between services (APIs, data formats, messaging).
• Collaborate with developers to resolve integration issues and optimize performance.
• Manage Linux-based test and integration environments.
• Analyze logs and performance metrics; document procedures and best practices.

Skills

C++

Python

Java

Linux

CI/CD

Distributed systems

REST

gRPC

Logging & monitoring

Education

Computer Science

Electrical Engineering

Related technical discipline

Strong OS & software architecture foundation

Tools

CMake

Make

Gradle

Maven

Job description

Software Integration Engineer- Manassas, VA

The Software Integrator is responsible for integrating, validating, and deploying mission-critical software components across development, test, and operational environments. This role ensures reliable interoperability among C++, Python, and Java services and supports the continuous evolution of system-level capabilities within Linux-based environments.

Education & Background

• Computer Science


• Electrical Engineering


• Related technical discipline


• Strong foundation in operating systems, software architecture, and distributed systems.

Core Responsibilities

• Integrate software components developed in C++, Python, and Java into cohesive system builds on various Linux operating systems.


• Develop and maintain integration workflows, build configurations, and deployment scripts using modern configuration management systems.


• Lead system-level testing, validation, and troubleshooting across multi-language environments


• Ensure reliable communication interfaces between services (APIs, data formats, messaging), using industry standards.


• Collaborate with software developers to resolve integration issues and optimize system performance in high compute environment.


• Manage Linux-based test and integration environments


• Analyze logs, system behavior, and performance metrics to verify component compatibility


• Document integration procedures, interface specifications, system behavior, and best practices.

Technical Skills & Experience

• Strong, hands-on experience with:


• C++, Python, and Java development workflows


• Linux operating system (system administration, shell tools, debugging)


• Familiarity with:


• Software build systems (CMake, Make, Gradle, Maven, or equivalents)


• CI/CD pipelines for multi-language software integration, containerization, artifactory deployment, rpm generation, micro service creation and maintenance of all connected pipelines.


• Understanding of distributed system communication patterns (REST, gRPC, sockets, messaging, protobuf)


• Experience with automated testing, logging, and monitoring tools is a plus

Desired Attributes

• Systems-level thinker with strong analytical and troubleshooting instincts


• Comfortable integrating complex software components across multiple languages and environments


• Disciplined approach to testing, verification, and reliability


• Able to work independently while communicating clearly with developers and program teams


• Strong documentation and communication skills


• Must be able to work and travel at multiple locations within the NOVA area.