• Clin 1 Software Engineer (Senior)

    ManpowerGroup (Washington, DC)


    **Job Title:** Senior Software Engineer

    **Location:** Onsite Washington, D.C.

    **Clearance:** Top Secret SCI w/ Poly

    **Employment Type:** Full-Time / W2 / Contract

    Position Summary:

    Experis is seeking a highly experienced **Senior Software Engineer** to support a federal agency's mission-critical applications. The ideal candidate will have at least **8 years of hands-on software development experience** , with advanced proficiency in **Java/J2EE, Oracle, PostgreSQL, Spring Framework, JavaScript/React, and AWS** . This role requires strong database development expertise, UI development experience, and the ability to deliver enterprise-grade solutions in an Agile federal environment.

    Key Responsibilities:

    + Develop, deploy, and maintain secure, scalable applications using Java 8 (J2EE), Spring Boot, React, and RESTful APIs.

    + Lead the design and development of enterprise applications using **Oracle and PostgreSQL** , with advanced SQL and PL/SQL scripting.

    + Implement web-based user interfaces with JavaScript, AJAX, and React while ensuring Section 508 compliance.

    + Support full application lifecycle, including requirements gathering, analysis, design, development, testing, and production support.

    + Collaborate within Agile Scrum and Kanban teams using tools like Jira and Confluence.

    + Participate in CI/CD workflows, DevSecOps pipelines, and deployment automation using tools such as Git, Maven, and Jenkins.

    + Operate and troubleshoot applications hosted in **AWS Cloud** , leveraging services like EC2, RDS, S3, EBS, and AMIs.

    + Support and maintain enterprise applications in a 24/7 mission-critical environment.

    Required Qualifications:

    • **U.S. Citizenship** is required.

    • Ability to obtain and maintain a [Public Trust / Secret / Top Secret] security clearance.

    • Bachelor’s degree in Computer Science, Engineering, or related field.

    • **8+ years** of hands-on development experience in:

    + **Java 8 (J2EE)** , **Spring Framework 5+** , **Spring Boot 2**

    + **JavaScript/AJAX** , **React** , HTML, CSS

    + **Hibernate 5+** , **RESTful Web Services**

    + **SQL/RDBMS** , specifically **Oracle** and **PostgreSQL**

    + **Apache Tomcat** , **Red Hat JBoss** , **Linux (RHEL/CentOS)**

    + **Eclipse IDE** , **Maven** , **Git**

    • **8+ years** in database development and enterprise troubleshooting with a focus on performance tuning and scalability.

    • **5+ years** of experience with:

    + **Amazon Web Services (AWS)** — including EC2, RDS, S3, EBS, AMIs, IaaS

    + **Agile frameworks** — Scrum and Kanban

    + **Atlassian tools** — Jira and Confluence

    + **CI/CD tools and automation frameworks**

    Preferred Qualifications:

    + Experience with Section 508 accessibility standards.

    + Knowledge of FedRAMP, FISMA, and other federal compliance standards.

    + Familiarity with containerized environments and orchestration tools (e.g., Docker, Kubernetes).

    + Oracle, Java, or AWS certifications preferred.

     

    ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.