Senior Software Engineer - Hybrid Remote, Secret Cleared

Xcelerate Solutions; Quantico (VA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Xcelerate Solutions in Quantico, Virginia, is seeking a Senior Software Developer to design, develop, and maintain secure, scalable enterprise software. You will work across full-stack technologies (C#, Java, Python), databases (SQL Server, Oracle), and platforms (SharePoint, ServiceNow), delivering RESTful APIs and microservices in a containerized, CI/CD-driven environment.

Lead architecture discussions, mentor engineers, and ensure SSDLC compliance while collaborating with DevSecOps,

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline (or equivalent experience).
• 7+ years of professional software development experience designing and developing enterprise applications.
• Proficiency in C#, Java, Python; strong experience with Microsoft SQL Server and Oracle Database; database design and data modeling.
• Experience with SharePoint and ServiceNow platforms; RESTful APIs and enterprise web services; Docker-based containerized apps; Git and CI/CD tooling; microservices architectures.
• Experience with Secure Software Development Lifecycle (SSDLC) and DevSecOps practices; proficiency in designing scalable, secure software architectures.
• Experience with artifact repositories like Nexus and NuGet; strong code review, debugging, and performance tuning abilities.

Responsibilities

• Design, develop, test, deploy, and maintain secure, scalable enterprise software applications using modern software engineering and SecDevOps practices.
• Develop full-stack applications using ASP.NET Core, .NET Framework, Java, Python, and other modern languages and frameworks.
• Design, develop, optimize, and maintain relational database solutions using SQL Server, Oracle DB, and related technologies.
• Develop and maintain applications leveraging SharePoint and ServiceNow.
• Build, deploy, and maintain RESTful APIs and microservices architectures for distributed enterprise apps.
• Develop cloud-ready and containerized applications using Docker and orchestration platforms.
• Create, maintain Dockerfiles and IaC components for deployment and container lifecycle management.
• Design and implement secure CI/CD pipelines for automated build, test, deployment, and release processes.
• Configure, manage, and maintain self-hosted artifact repositories (Nexus, NuGet).
• Apply secure coding standards, vulnerability remediation, code scanning, and software supply chain security throughout the lifecycle.
• Collaborate with DevSecOps, sysadmins, architects, cybersecurity, and product owners to deliver high-quality software.
• Participate in architecture reviews, code reviews, design sessions, and technical planning.
• Troubleshoot and resolve complex software, database, and integration issues.
• Develop automated unit, integration, regression, and performance tests.
• Produce technical and API documentation and operational procedures.
• Mentor junior developers and promote best practices; support Agile methodologies.

Skills

C#

Java

Python

SQL Server

Oracle DB

SharePoint

ServiceNow

REST APIs

Microservices

Docker

CI/CD

SSDLC

Git

Design Patterns

Education

Bachelor's degree in Computer Science / Software Engineering / Information Technology

Tools

Nexus Repository

NuGet

Job description

Xcelerate Solutions in Quantico, Virginia, is seeking a Senior Software Developer to design, develop, and maintain secure, scalable enterprise software. You will work across full-stack technologies (C#, Java, Python), databases (SQL Server, Oracle), and platforms (SharePoint, ServiceNow), delivering RESTful APIs and microservices in a containerized, CI/CD-driven environment.

Lead architecture discussions, mentor engineers, and ensure SSDLC compliance while collaborating with DevSecOps,