Senior Software Developer

CACI; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

CACI is seeking a Senior Software Developer to lead technical planning, guide modernization, and supervise a team developing mission-critical systems built on Momentum. You will collaborate with Momentum SMEs, system integrators, and leadership to deliver secure, scalable solutions.

You will mentor developers, ensure high-quality software, support CI/CD improvements, and shape the program's technical direction while working on-site in Rosslyn, VA.

Qualifications

• Requires 8 to 15 years software development experience with at least 3 years in a technical lead or engineering lead role.
• Hands-on experience with Momentum or similar complex COTS products.
• Strong Java development experience, including microservices architectures.
• Experience developing and deploying applications in OpenShift.
• Experience with GitLab for source control and CI/CD.
• Strong database skills (Oracle or comparable relational database experience).
• Ability to prioritize tasks and lead development efforts in a dynamic environment.
• Strong communication, teamwork, and mentoring abilities.
• Experience with WebMethods for system-to-system integrations.
• Active Top Secret security clearance with eligibility for SCI access and a counterintelligence (CI) polygraph.
• Willingness to work on-site in Rosslyn, VA, up to five days per week.

Responsibilities

• Momentum / COTS Leadership: Lead technical work within a Momentum environment and coordinate upgrades.
• Software Engineering & Architecture: design and maintain services supporting the program's mission system.
• Cloud, Containers, and DevSecOps: build and deploy in OpenShift with CI/CD pipelines.
• Database & Data Layer: work with Oracle/PostgreSQL and data modeling.
• Team Leadership & Quality Assurance: mentor developers, conduct code reviews, and improve processes.

Skills

Leadership

Mentoring

Communication

Java development

Microservices

OpenShift

CI/CD

Shell scripting

Tools

Momentum (CGI) 8.x

OpenShift

GitLab

WebMethods

Oracle

PostgreSQL

SQL

Linux

C#/C++

Job description

Job Title: Senior Software Developer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

The Opportunity:

CACI is seeking a Senior Software Developer to support CACI's mission critical financial and acquisition systems built on Momentum. In this role, you will lead technical planning, oversee development efforts, and guide modernization work across a complex COTS based ecosystem. You will work closely with developers, product owners, Momentum SMEs, system integrators, and leadership to design, implement, and sustain enhancements aligned with program needs.

This role requires strong leadership capabilities, deep technical problem-solving skills, and experience coaching developers. You will help the team adopt best practices, ensure development quality, support CI/CD improvements, and contribute to the long-term technical direction of the program.

You will need excellent communication skills, the ability to collaborate with multiple stakeholders, and strong organizational awareness to manage priorities in a fast-paced environment.

Responsibilities:

Momentum / COTS Leadership

• Lead technical work within a Momentum environment.
• Guide customization, integration, extension, and troubleshooting of Momentum modules and services.
• Collaborate with Momentum SMEs on upgrade impacts, configuration, and interface alignment.

Software Engineering & Architecture

• Design, develop, and maintain services and applications supporting program's mission system.
• Ensure secure coding practices consistent with DoD requirements.

Cloud, Containers, and DevSecOps

• Build, deploy, and maintain applications running in OpenShift using Podman, containers, and orchestration patterns.
• Troubleshoot and optimize containerized applications.
• Support and develop integrations using WebMethods (strong plus).
• Guide interface troubleshooting between Momentum and other enterprise systems.

Database & Data Layer

• Work with relational databases (e.g., Oracle, PostgreSQL)
• Support data modeling, query tuning, and integration with Momentum data structures.

Team Leadership & Quality Assurance

• Lead, mentor, and develop a team of software developers of varying experience.
• Conduct code reviews and ensure adherence to standards.
• Support root cause analysis and drive continuous improvement practices.
• Establish and reinforce development processes, documentation standards, and agile rituals.

Qualifications

• Requires 8 to 15 years software development experience with at least 3 years in a technical lead or engineering lead role
• Hands-on experience with Momentum or similar complex COTS products.
• Strong Java development experience, including microservices architectures.
• Experience developing and deploying applications in OpenShift.
• Experience with GitLab for source control and CI/CD.
• Strong database skills (Oracle or comparable relational database experience required).
• Ability to prioritize tasks and lead development efforts in a dynamic environment.
• Strong communication, teamwork, and mentoring abilities.
• Experience with WebMethods for system-to-system integrations.
• Active Top Secret security clearance with eligibility for SCI access and a counterintelligence (CI) polygraph.
• Willingness to work on-site in Rosslyn, VA, up to five days per week.

Desired

• Lead development of Java based microservices and shared components.
• Experience building, hardening, and deploying container images.
• Experience with DevSecOps, system administration, or platform engineering.
• Experience supporting software development in a DoD environment.
• Experience with shell scripting, automation tooling, or CI/CD pipeline design.
• Experience contributing to large COTS upgrades or modernization initiatives

Suggested Tech Stack Section

• Momentum (CGI) 8.x
• Java / J2EE
• OpenShift
• GitLab (source control + CI/CD)
• Oracle / PostgreSQL / SQL
• WebMethods (nice to have)
• Linux environment familiarity
• C#/C++ Experience
• Shell scripting
• DevSecOps / system admin exposure

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.