Senior Software Engineer

C. Mack Solutions

. Design, develop, enhance, debug, and implement software in an Agile environment .

Posted 10/9/2026full-timeAshburn • Virginia • United StatesSenior💰 $75,000 - $155,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full stack software development, particularly with Java and JavaScript, while effectively collaborating in Agile environments. Proficient in integrating APIs and cloud platforms, with a strong focus on writing maintainable code and conducting thorough testing.

Highest-signal resume keywords

Java Application DevelopmentJavaScript Frameworks (Angular)Agile Development (Jira)CI/CD Tools (Git, Kubernetes, Jenkins)Cloud Development (AWS)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaJavaScriptSpringSpring BootHibernateMyBatisAutomated Unit TestingRelational Databases (PostgreSQL, DB2, Oracle)API IntegrationSoftware Debugging

Soft Skills

Strong Communication SkillsCollaboration

Tools & Technologies

JiraGitKubernetesJenkinsSonarQubeAWS

Certifications & Qualifications

CBP Public Trust Clearance

Industry Keywords

Federal Homeland SecurityAgile EnvironmentHigh-Impact Programs

Tech Stack

Tools & technologies

AngularAWSCloudHibernateJavaJavaScriptJenkinsKubernetesOraclePostgresSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Design, develop, enhance, debug, and implement software in an Agile environment
Create and support applications for a high-impact Federal homeland security program
Develop full stack solutions across front-end interfaces and back-end services
Integrate APIs, cloud platforms, and complex data systems
Design, develop, and implement software applications using JavaScript
Collaborate with IT infrastructure teams to integrate APIs and enhance system performance
Write clean, maintainable code and conduct thorough testing
Troubleshoot and resolve software defects and performance issues
Participate in code reviews and provide constructive feedback to peers
Document software specifications, design processes, and user guides
Stay updated on industry trends and emerging technologies

Requirements

What you’ll need

Must live within the DC, MD, VA area
U.S. Citizenship is required
Must be able to obtain CBP Public Trust clearance
Bachelor’s degree plus at least 7 years of work experience
At least 5 years of experience developing Java applications and associated frameworks
At least 3 years of development experience using JavaScript and/or JavaScript frameworks like Angular
At least 3 years of experience working in a story-based Agile team development environment using Jira or a similar tool
At least 3 years of experience working in an automated development environment, using CI/CD tools such as Git, Kubernetes, Jenkins, SonarQube
Experience with Spring and Spring Boot
Experience with Hibernate or MyBatis
Experience writing automated unit tests
Experience developing against relational databases (e.g., PostgreSQL, DB2, Oracle)
Experience translating business requirements into working code
Experience developing in and deploying to a Cloud environment such as Amazon Web Services
Strong communication skills, both written and verbal
Ability to collaborate with team members to ensure client needs and expectations are met or exceeded
Cloud experience; AWS preferred
Position limited to candidates residing in U.S. states where the company is currently registered to employ team members

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
Retirement savings plans
Paid time off
Other supplemental programs