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# ACS WEB Senior Software Developer SME/Software Engineer (Remote)

- **Company:** Constellation West
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Web Interfaces, HTML, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Apache Tomcat, Software Applications, JIRA, HTML5, Unit Testing, Backup Devices, Cyber Security, Continuous Integration, DevOps, Web Development, Eclipse (Software), Java Platform Enterprise Edition (J2EE), Github, Issue Tracking Systems, JavaBeans, WildFly (JBoss AS), JQuery, JavaServer Faces, Microsoft Visual Studio, Microsoft Visio, Networking Basics, Object-Oriented Software Development, Open Source Technology, Systems Development Life Cycle, Red Hat Enterprise Linux, Selenium, Software Engineering, UML, Primefaces, ReactJS, Spring-boot, Test Scripts, AngularJS, Information Technology, Visual Basic Language, Servicenow
- **Published:** August 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9122079/acs-web-senior-software-developer-smesoftware-engineer-remote

## About the Role

* Security Clearance:Active Public Trust/Minimum Background Investigation (MBI) clearance required for this position, + Minimum 15 years of software/web development/engineering/optimization using Object Oriented Programming, specifically full-stack J2EE (Java17/21 required), JavaScript (Angular JS, React, Preact), JEE, Spring Boot/Join Faces, PrimeFaces, JQuery, backup Java Beans, and JSF, or equivalent.
 + Hands-on experience either transitioning to or working with Single Page Applications (SPA).
 + Experience with software development in environments utilizing ECLIPSE, Visual Studio, JBoss/RedHat Linux, zLinux, Tomcat, HTML5, UML, .NET, Visual Basic, IBM Liberty, and Rocket Verastream Bridge Integrator (VBI), open source iText API, or equivalent.
 + Hands-on experience working with DevOps, CI/CD Pipelines, GitHub Actions, Incident Tracking/Management, and Enterprise Container Platform (ECP) containers (or equivalent) is also required.
 + Hands-on experience conducting unit testing, peer reviews, code check-in/-out procedures, requirements analysis, assessing/document level of effort (LOE), creating screen mockups via tools (i.e., HTML rendering), defect identification/resolution, assisting with troubleshooting development/production server problems, networking and environment configuration.
 + Hands-on experience drafting system technical documents (e.g., system design specifications, software user guides, Visio diagrams, process documentation, etc.).
 + Must be able to quickly integrate into teams and become intimately familiar with custom-built software applications using common open-source components ( this is critical ).
 * Desired Skills: Hands-on experience using tools/guidance, or equivalent, such as: GitHub Repository, JIRA, ECLIPSE (2022 or later), Service Now, Selenium test script development, IRS Enterprise Life Cycle (ELC), OneSDLC, IRM/IRS Security regulations, IRM 2.5 System Development, and 508 Compliance. Experience with networking fundamentals, development environments, and change control processes. Familiarity with web interfaces to mainframes is a plus.
Education: Bachelor of Science (Masters preferred) in Computer Science or related discipline with a primary focus on software development/engineering is required. Software development, security, networking, system administration certifications a plus.
Job Description and Tasks: Serve as the Senior Software Development Subject Matter Expert (SME) overseeing software development operations, providing guidance as needed, while also performing Operation and Maintenance (O&M) software development activities. Work with the Project Manager, Technical Lead, Cyber Security SME, and QA Tester to execute developer team day-to-day activities, prioritize work, schedule/host developer technical meetings, address issues/propose solutions, provide technical advice, optimize processes, develop work proposals for review/approval, keep Project Manager/Task Lead informed, and develop software code changes/code updates as a productive member of software development team.

## Description

Qualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval.


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