C. Mack Solutions

Full-stack Engineer

• Build, extend, and maintain responsive, production-grade web applications primarily using React and TypeScript
• Integrate front-end code with Java 17/Spring Boot backend services and APIs, with data persisted in PostgreSQL
• Write clean, tested, and maintainable code
• Participate in code reviews, unit testing, and CI/CD pipelines using JIRA, Confluence, GitLab, and Harness
• Diagnose and resolve technical issues affecting UI performance, reliability, and maintainability
• Translate wireframes, mockups, and design specifications into responsive, accessible front-end implementations
• Partner with designers, product owners, and stakeholders to maintain consistent look-and-feel and user experience across applications
• Determine requirements feasibility and collaborate on implementation approaches with the functional team
• Ensure product quality and timely delivery
• Provide advice and guidance, resolve problems, and provide periodic performance reports
• Work independently and efficiently within an Agile software development environment
• Mentor junior team members

Full Stack Developer, UI/UX

Engineer

• Join an established team supporting a complex Federal Government program
• Create meaningful dashboards supporting mission-critical decision-making
• Work with large datasets in depth and breadth
• Learn and apply new tools and data domains
• Collaborate with program staff and customers to reach design decisions within constraints
• Support Agile development and operations and maintenance for critical systems

Data Visualization Engineer

Architect

• Define and implement product architecture for scalability, performance, and reliability
• Design and implement novel tools, development strategies, and testing strategies
• Maintain enterprise- and program-level architecture knowledge
• Liaise with business analysts to understand needs and develop feasible, compliant solutions
• Lead technical aspects of Agile ceremonies and platform demos
• Collaborate with SecDevOps and onboard applications to cloud infrastructure
• Evangelize solutions and help teams break stories into executable tasks
• Motivate developers and testers and foster an environment for questions and concerns
• Provide technical guidance through mentoring, coaching, and peer reviews
• Design solutions in a multi-tenant cloud architecture
• Identify risks, opportunities, compliance issues, and architectural concerns
• Participate in Agile ceremonies, artifact creation, sprint and regression testing, demonstrations, retrospectives, and releases
• Review cybersecurity assessments and static code analysis to define remediation and improve software quality
• Develop and maintain technical documentation, architecture diagrams, and design documents
• Map high-level business requirements to developer and tester tasks
• Design technical solutions using established standards and break them into team units of work
• Ensure requirements coverage with business analysts
• Create a phased production roadmap, including legacy-system decommissioning
• Oversee construction, review pull requests, ensure test coverage, maintain code quality, mentor developers, remove blockers, and present products to stakeholders
• Perform systems design, development, integration, and application design
• Migrate legacy applications to cloud-deployed microservices architectures
• Anticipate issues and formulate remedial actions
• Collaborate with Developers, Program Managers, Testers, UI/UX, and Production Support Engineers to deliver iterative technical solutions

Product Architect

• 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
• Document software specifications, design processes, and user guides
• Stay updated on industry trends and emerging technologies

Java Software Engineer

• Join an established team supporting Agile development and operations and maintenance for critical Federal Government systems
• Create meaningful dashboards supporting the customer's mission-critical decision-making
• Work with large datasets in depth and breadth
• Learn and apply new tools and data-domain knowledge
• Define requirements and document visualization artifacts
• Collaborate with program staff, customers, clients, and technical staff to reach design decisions within constraints

• Define and implement product architecture for scalability, performance, and reliability
• Design and implement tools, development strategies, and testing strategies
• Maintain enterprise- and program-level architecture
• Liaise with business analysts to develop feasible, compliant solutions
• Lead technical aspects of Agile ceremonies and platform demonstrations
• Collaborate with SecDevOps and onboard applications to cloud infrastructure
• Evangelize solutions and break stories into executable tasks
• Motivate developers and testers and foster an environment for questions and concerns
• Provide technical guidance through mentoring, coaching, and peer reviews
• Design solutions in a multi-tenant cloud architecture
• Identify risks, opportunities, compliance issues, and architectural concerns
• Participate in Agile ceremonies, artifact creation, sprint and regression testing, demonstrations, retrospectives, and releases
• Review cybersecurity assessments and static code analysis to define remediation and improve software quality
• Develop and maintain architecture diagrams, design documents, and other technical documentation
• Map high-level business requirements to developer and tester tasks
• Design standards-based technical solutions and break them into units of work
• Ensure requirements coverage with business analysts
• Create a phased production roadmap, including legacy-system decommissioning
• Oversee construction, review pull requests, ensure test coverage, maintain code quality, mentor developers, remove blockers, and present products to stakeholders
• Perform systems design, development, integration, and application design
• Migrate legacy applications to cloud-deployed microservices architectures
• Anticipate issues and formulate remedial actions
• Collaborate with developers, program managers, testers, UI/UX, and production support engineers on iterative technical solutions

Product Designer

• Create intuitive, user-centered designs
• Develop responsive, interactive, maintainable, efficient, and reliable user interfaces
• Develop interfaces meeting business requirements and user needs
• Lead cohesive look-and-feel and standardized user experiences across applications
• Develop creative, user-focused experiences aligned with client business objectives
• Create experience style guides, interaction patterns, and information design standards
• Develop wireframes, mockups, and prototypes
• Communicate design ideas to stakeholders
• Establish standard layout and style libraries across applications
• Collaborate with functional teams to assess requirements and improve designs
• Ensure product quality and timely delivery
• Provide advice, guidance, problem resolution, and periodic performance reports
• Work independently within an agile software development environment using JIRA, Confluence, GitLab, unit testing, and Harness
• Mentor junior team members
• Stay current on industry and customer trends
• Collaborate with internal stakeholders and customer groups
• Use data, validation, feedback, and qualitative and quantitative testing to support code
• Champion new ideas while maintaining a user-centered approach and respecting business needs
• Educate others on user-centered design best practices

UI/UX Developer

• Design, develop, enhance, debug, and implement software in an Agile environment
• Create and support applications for a high-impact Federal program supporting homeland security
• Perform full-stack development 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
• Document software specifications, design processes, and user guides
• Stay updated on industry trends and emerging technologies

Technical Project Manager

• Lead delivery of multiple concurrent technical initiatives from planning through deployment or completion using Agile methodologies
• Make delivery recommendations by balancing client demands with team capacity and capability
• Facilitate Agile ceremonies including sprint planning, backlog refinement, retrospectives, and daily standups
• Partner with technical leads, developers, product owners, and stakeholders to translate objectives into prioritized, actionable work
• Manage project schedules, milestones, dependencies, risks, issues, and resources across multiple initiatives
• Serve as primary client and stakeholder interface for prioritization decisions, working sessions, demonstrations, status meetings, and decision-making
• Coordinate cross-functional teams and proactively identify and remove delivery obstacles
• Support projects involving emerging technologies, AI, data, automation, and modern application development
• Communicate complex technical information to technical teams and senior leadership
• Provide executive-level visibility into project health, progress, risks, priorities, and upcoming milestones
• Continuously improve team delivery practices, processes, and ways of working in a lean, outcomes-focused Agile environment
• Work on-site in Ashburn, VA 1–2 days per week