Full Stack Developer

C. Mack Solutions

. Join an Agile Scrum team providing software development and maintenance for releasable software in short sprint cycles .

Posted 10/23/2026full-timeAshburn • Virginia • United StatesSeniorLead💰 $75,000 - $155,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software design, development, and implementation within a Windows environment, utilizing Java, Angular, and Spring frameworks. Proficient in Agile methodologies, RESTful API design, and database management, with a strong focus on product quality and team collaboration.

Highest-signal resume keywords

Java 8 Or Higher ProficiencyExtensive Experience With Spring BootIn-Depth Knowledge Of AngularRESTful API Design And ImplementationExperience With SQL Or PL/SQL

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DesignSoftware DevelopmentImplementationObject-Oriented DesignService Oriented ArchitectureDatabase DesignAgile MethodologiesEstimation TechniquesDependency InjectionAspect-Oriented Programming

Soft Skills

MentoringProblem SolvingCollaborationCommunication

Tools & Technologies

JUnitTestNGMockitoGitEclipseMavenJiraVersionOnePostgresAurora

Certifications & Qualifications

OCAJPOCPJPOCEOCMCSMDOD 8570 Certification

Industry Keywords

Agile ScrumSoftware Development Life CycleLegacy SystemsModernized SystemsPerformance ReportsProcess ImprovementApplication SecurityAutomated TestingMessage QueuingETL Tools

Tech Stack

Tools & technologies

AngularETLHibernateJavaJavaScriptJUnitMavenMockitoMySQLOraclePostgresReactSDLCShell ScriptingSpringSpring BootSpringBootSQLTypeScriptVMware

About the role

Key responsibilities & impact

Join an Agile Scrum team providing software development and maintenance for releasable software in short sprint cycles
Design, develop, and implement custom software and database application capabilities for legacy and modernized systems with limited oversight
Act as a member of a product team, supporting teammates and collaborating to ensure product and team success
Provide improvements to supported products
Participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations, retrospectives, and solution releases
Support release planning with conceptual design and development or refinement of software engineering guidelines
Analyze complex project-related problems and create innovative solutions involving scheduling, technology, methodology, tools, and solution components
Ensure product quality and timeliness, provide advice and guidance, resolve problems, and provide periodic performance reports
Mentor junior team members
Communicate OODD and SOA principles and best practices
Act independently to expose and resolve problems
Assist others in using software engineering tools to support process improvement

Requirements

What you’ll need

U.S. Citizenship is required
Candidate must be able to obtain CBP Public Trust clearance
College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline; equivalent professional experience will be considered in lieu of degree
At least seven (7) years related technical experience
Software design, development and implementation in a Windows Environment
Proficiency in Java 8 or higher, including OOP principles, data structures, and algorithms
Extensive experience with Spring Boot, Spring MVC, Spring Security, dependency injection, and aspect-oriented programming
Strong knowledge of RESTful API design and implementation, including standards, versioning, and documentation
Familiarity with JUnit, TestNG, and Mockito
In-depth knowledge of Angular
Expert experience with Angular, Typescript, JavaScript, CSS, and HTML
Knowledge of Angular components, services, state management, and UI performance
Experience with Java and familiarity with Hibernate or other ORM, JAX-RS, XML, JSON, web services, JBoss, Eclipse, Maven, JUnit, and shell scripting
Object-oriented design and development expertise
Service Oriented Architecture expertise
Experience with source code control systems and concurrent development workflows; Git preferred
Experience using SQL or PL/SQL with Oracle, MySQL, or SQL Server databases
Experience with database design
Ability to apply estimation techniques to software development efforts
Working knowledge of software engineering tools supporting process improvement
Understanding of the software development life cycle, including planning, development, requirements management, configuration management, quality assurance, and release management
Technical certifications such as OCAJP, OCPJP, OCE, OCM, or CSM are preferred
DOD 8570 certification is preferred
Ability to apply advanced principles, theories, and concepts
Familiarity with HTML, React, Spring, VMware, ETL tools, ESB, message queuing, application security, automated testing, UML, VersionOne, Jira, Sparx Enterprise Architect, Postgres, or Aurora is highly desirable

Benefits

Comp & perks

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