IRS CAS (Sr. Full Stack Developer/Platform Engineer) -PBBA

Constellation West; Northern (KY); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health benefits

401(k) plan with employer match

11 Paid Holidays per year

PTO starting 15 days

Tuition/CE reimbursement

Relocation assistance

Veteran hiring preference

ESOP

Job summary

Constellation West seeks a Sr. Full Stack Developer/Platform Engineer to support IRS MISSS initiatives. You will work remotely with occasional on-site involvement for meetings, deployments, and knowledge transfer.

Requirements include 5+ years in Java/J2EE with Spring Boot, ReactJS, and OpenShift/Kubernetes. Experience migrating VM-based apps to containerized deployments and strong CI/CD practices are essential.

Qualifications

• 5+ years of Java/J2EE and Spring Boot development experience.
• Experience with ReactJS or similar UI framework.
• Migration of VM-based applications to containerized/OpenShift deployments while preserving interfaces.
• Strong CI/CD, Git/GitHub, and secure coding practices.
• Experience with REST/SOAP services and database troubleshooting.

Responsibilities

• Develop and sustain Java/J2EE microservices and UI enhancements.
• Migrate and modernize applications to containerized OpenShift/Kubernetes deployments.
• Provide production support, troubleshooting, and deployments with rollback capabilities.

Skills

Java

Java/J2EE

Spring Boot

OpenShift

Kubernetes

ReactJS

REST/SOAP

CI/CD

Secure Coding

Education

Bachelor's degree

Tools

Git/GitHub

IBM WebMethods

API Gateway

OpenShift

Kubernetes

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

IRS CAS (Sr. Full Stack Developer/Platform Engineer) -PBBA

Full Time Remote, US

7 days ago Requisition ID: 5250037

IRS CAS (Sr. Full Stack Developer/Platform Engineer)

Job Overview:

Customer: Internal Revenue Services (IRS)

Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required.

Clearance:

Position Summary:

The candidate needs 5+ years of Java/J2EE and Spring Boot development and sustainment experience, along with ReactJS or comparable UI technology.

Experience should include JDK 17+ upgrades, SSO integration, dependency remediation, RHEL/Linux, OpenShift/Kubernetes, containerization, REST/SOAP, database troubleshooting, Git/GitHub, CI/CD awareness, secure coding, regression/smoke validation, UI and functional defect correction, releases, and rollback.

The IRS also specifically requires demonstrated experience migrating applications from VM-based hosting to containerized/OpenShift-aligned deployment patterns while preserving functionality and external interfaces.

Required Experience

• Software engineering experience
• Java
• Spring Boot
• REST and SOAP web services
• IBM webMethods
• OpenShift or Kubernetes
• Application modernization
• Production support and troubleshooting

Preferred Experience

• IRS experience
• API Gateway experience
• Containerized applications

Education

Bachelor's degree in or equivalent experience.

Clearance

No clearance required.

We are an Equal Opportunity Employer:

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

About The Organization:

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.

Constellation West provides fully integrated solutions spanning all aspects of system/network engineering, system/network administration, data management, information assurance, quality assurance, full lifecycle support, software development, and geospatial information services. Constellation West looks for the right people ready to step up and be part of a dynamic team.

Benefits include but are not limited to:

Constellation West is proud to be an EEO/AA employer M/F/D/V

DESCRIPTION:

Constellation West is a 29-year WOSB and Prime Federal Contractor bidding on IRS Criminal Investigation (CI) Management Information System Support Services (MISSS).

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.

ABOUT US:

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 across the Department of Defense and civilian agencies.

BENEFITS:

• Competitive 401(k) plan with employer matching
• Competitive Health Benefits with employer contributions
• 11 Paid Holidays per year
• 15 Days starting PTO for new hires
• Tuition/CE reimbursement
• Relocation Assistance
• Veteran Hiring Preference
• Employee Stock Ownership Plan (ESOP)

EEO:

Constellation West is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.