Senior Software Engineer

C Mack Solutions LLC; Ashburn (VA); On-site; USD 75,000 - 155,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Retirement plans

Paid time off

Job summary

C Mack Solutions LLC seeks Senior Software Engineers to support a multi-year modernization effort for a Federal program in the Ashburn, VA area. Candidates should design, develop, and implement software across frontend and backend, including API integration, cloud deployment, and complex data systems.

Required: 7+ years’ experience, Java + JavaScript (Angular), CI/CD with Git/Kubernetes/Jenkins/SonarQube, Spring/Spring Boot, Hibernate/MyBatis, and AWS. U.S.

Qualifications

• Bachelor’s degree and 7+ years of work experience.
• At least 5 years of experience developing Java applications and related frameworks.
• At least 3 years of development experience with JavaScript and/or Angular.
• At least 3 years in an Agile team using Jira and similar tools.
• Experience with CI/CD tools such as Git, Kubernetes, Jenkins, SonarQube.
• Experience with Spring/Spring Boot and Hibernate or MyBatis.
• Experience developing against relational databases and cloud environments (AWS).
• Strong written and verbal communication; ability to collaborate with team to meet client needs.

Responsibilities

• Design, develop, and implement software applications using JavaScript.
• Collaborate with IT infrastructure teams to integrate APIs and improve performance.
• Write clean, maintainable code and conduct thorough testing for reliability.
• Troubleshoot defects and performance issues in a timely manner.
• Participate in code reviews and provide constructive feedback.
• Document software specifications and design processes.
• Stay updated on industry trends and emerging technologies.

Skills

Strong communication

Collaboration

Agile methodologies

Full stack development

Cloud/AWS

Education

Bachelor’s degree in Computer Science

Tools

Jira

Git

Kubernetes

Jenkins

SonarQube

AWS

Job description

Description

CMS is currently seeking Senior Software Engineers in support of a multi-year modernization effort for a customer based in Ashburn, VA.TheSenior Software Engineer must be able to design, develop, enhance, debug, and implement software in an Agile environment. Resources will be members of highly effective Agile teams that create and support applications for a high-impact Federal program supporting homeland security. This role requires full stack development capabilities across a diverse technology stack, with work spanning both front-end interfaces and back-end services, including integration with APIs, cloud platforms, and complex data systems.

Responsibilities

• 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 to ensure software reliability.
• Troubleshoot and resolve software defects and performance issues in a timely manner.
• Participate in code reviews and provide constructive feedback to peers.
• Document software specifications, design processes, and user guides for future reference.
• Stay updated on industry trends and emerging technologies to continuously improve skills and knowledge.

Requirements

You 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 working to translate 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)

Work Location

This position is limited to candidates residing in U.S. states where the company is currently registered to employ team members.

Salary Range

$75,000 - $155,000 annually

This position may be filled at the Entry, Mid, Senior, or SME level based on the selected candidate’s qualifications and experience. Final compensation will be determined based on level alignment, experience, education, and internal equity.

Benefits

In addition to base compensation, this position is eligible for company-sponsored benefits, which may include medical, dental, and vision insurance, retirement savings plans, paid time off, and other supplemental programs.