> Markdown version of [/jobs/ext/2696217-irs-cas-sr-software-developer-infrastructure-currency-engineer](https://www.wearedevelopers.com/jobs/ext/2696217-irs-cas-sr-software-developer-infrastructure-currency-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# IRS CAS (Sr Software Developer/Infrastructure Currency Engineer)

- **Company:** Constellation West
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Linux, Middleware, Java Platform Enterprise Edition (J2EE), Java Development Kit, Network Administration, OpenShift, Software Engineering, Enterprise Software Applications, Spring-boot, SOAPAPI, Containerization, Kubernetes, Information Technology, Data Management, Api Design, Api Gateway, Devsecops, Microservices
- **Published:** September 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9139007/irs-cas-sr-software-developerinfrastructure-currency-engineer

## About the Role

The candidate needs 5+ years of experience implementing application-layer technical currency and supportability changes for Java/J2EE, Spring Boot, IBM webMethods, or comparable middleware applications.

Experience should include JDK/runtime upgrades, library and dependency remediation, certificate renewals, credential/secret dependency updates, schema/interface changes, secure coding fixes, OpenShift/Linux compatibility, Git/GitHub, CI/CD awareness, developer validation, rollback planning, configuration baselines, dependency inventories, and technical documentation.

Required Experience

 * Software engineering experience
 * Enterprise API development
 * Java
 * Spring Boot
 * REST and SOAP web services
 * IBM webMethods
 * Enterprise middleware
 * Microservices architecture
 * OpenShift or Kubernetes
 * Enterprise system integration
 * Application modernization
 * Production support and troubleshooting
 * Agile development

Preferred Experience

 * IRS experience
 * Federal Government experience
 * API Gateway experience
 * DevSecOps environments
 * Containerized applications, Bachelor's degree in or equivalent experience.

## Description

Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required., Constellation West is an award winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances., 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.


## Related Videos

- [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready)
- [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment)
- [DevSecOps: Security in DevOps](https://www.wearedevelopers.com/videos/36-devsecops-security-in-devops)
- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)