{"schemaVersion":"jobsearcher.job.v1","id":"45e0e2adaaa69d6725ac5dd0","url":"https://jobsearcher.com/jobs/45e0e2adaaa69d6725ac5dd0","canonicalUrl":"https://jobsearcher.com/jobs/45e0e2adaaa69d6725ac5dd0","title":"Full Stack Developer (UI/UX)","description":"DescriptionC. Mack Solutions is seeking a UI/UX Developer with strong full-stack development experience to join our team and support a complex program providing Agile development, operations, and maintenance for critical systems on a mission-critical Federal Government program.As a UI/UX Developer on an Agile team, you will primarily build and maintain responsive, production-quality web applications — writing front-end code in React and TypeScript and working across the stack with Java/Spring Boot and PostgreSQL — while also partnering with the design team to help ensure interfaces are intuitive, accessible, and consistent. This is a hands-on development role: strong coding ability, particularly with React, is the top priority, with UI/UX collaboration as a meaningful secondary responsibility.Experience with Agile development methodologies and the ability to work collaboratively with cross-functional teams, including developers, product owners, and stakeholders, is essential.Responsibilities:Build, extend, and maintain responsive, production-grade web applications primarily using React and TypeScriptWork across the stack, integrating front-end code with backend services and APIs built on Java 17/Spring Boot, with data persisted in PostgreSQLWrite clean, tested, maintainable code and participate in code reviews, unit testing, and CI/CD pipelines (JIRA, Confluence, GitLab, Harness)Diagnose and resolve technical issues affecting UI performance, reliability, and maintainabilityTranslate wireframes, mockups, and design specifications into responsive, accessible front-end implementationsPartner with designers, product owners, and stakeholders to help maintain a consistent, standardized look-and-feel and user experience across applicationsWork closely with the functional team to determine feasibility of requirements and collaborate on implementation approachEnsure product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reportsWork independently and efficiently within an agile software development environmentProvide mentoring to junior members of the teamMust be able to work on-site in Ashburn, VA 1–2 days per weekRequirementsYou must live within the DC, MD, VA area.U.S. Citizenship is required. Candidate must be able to obtain a CBP/DHS Public Trust clearance.Professional experience: 5+ years building production web applications, including hands-on, day-to-day development in React and TypeScriptStrong proficiency in JavaScript, HTML, HTTP, and CSS, and experience with a component/UI framework such as Kendo UI or AngularWorking experience with Java 17, Spring/Spring Boot, PostgreSQL, an ORM such as Hibernate, and Amazon AWSExperience with Continuous Integration / Continuous Deployment tools such as Harness, Jenkins, GitLab, or BambooExperience with responsive and mobile-first developmentUse data, validation, and feedback strategies that deliver code backed by qualitative and quantitative testingAbility to translate wireframes, mockups, and design specifications into working, production-quality front-end codeAbility to understand trade-offs between design intent, technical feasibility, and long-term maintainabilityExperience developing applications, from consumer-facing to internal toolsFamiliarity with enterprise UI design/handoff tools such as Figma is a plusStay current on important industry and customer trends to ensure applications are delivering relevant solutionsCollaborate effectively with stakeholders inside the company and with customer groups to drive effective solutionsWilling to take risks and champion new ideasAble to work and be effective in an agile development environmentExcellent written and verbal communication skillsHighly responsible, team-oriented individual with strong work ethic and a self-starter mindsetPreferred Skills and Experience:Experience with Angular in addition to ReactProven experience designing for or implementing web accessibility (Section 508 standards)Experience with information architecture or design systemsAbility and interest in educating others on front-end development best practicesAdvanced understanding of Lean processes and Agile principlesDesign Thinking certifications (such as those offered through IDEO, Stanford, Cornell, MIT, or other organizations) a plus, not requiredWork Location: This position is limited to candidates residing in U.S. states where the company is currently registered to employ team members.Salary Range: $85,000 – $120,000 annuallyThis position may be filled at the Mid or Senior 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.","company":"In Js","rawCompany":"in js","city":"Virginia","state":"MN","isRemote":false,"isActive":false,"createdAt":"2026-10-08T13:48:24.571Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Developer (UI/UX)","description":"DescriptionC. Mack Solutions is seeking a UI/UX Developer with strong full-stack development experience to join our team and support a complex program providing Agile development, operations, and maintenance for critical systems on a mission-critical Federal Government program.As a UI/UX Developer on an Agile team, you will primarily build and maintain responsive, production-quality web applications — writing front-end code in React and TypeScript and working across the stack with Java/Spring Boot and PostgreSQL — while also partnering with the design team to help ensure interfaces are intuitive, accessible, and consistent. This is a hands-on development role: strong coding ability, particularly with React, is the top priority, with UI/UX collaboration as a meaningful secondary responsibility.Experience with Agile development methodologies and the ability to work collaboratively with cross-functional teams, including developers, product owners, and stakeholders, is essential.Responsibilities:Build, extend, and maintain responsive, production-grade web applications primarily using React and TypeScriptWork across the stack, integrating front-end code with backend services and APIs built on Java 17/Spring Boot, with data persisted in PostgreSQLWrite clean, tested, maintainable code and participate in code reviews, unit testing, and CI/CD pipelines (JIRA, Confluence, GitLab, Harness)Diagnose and resolve technical issues affecting UI performance, reliability, and maintainabilityTranslate wireframes, mockups, and design specifications into responsive, accessible front-end implementationsPartner with designers, product owners, and stakeholders to help maintain a consistent, standardized look-and-feel and user experience across applicationsWork closely with the functional team to determine feasibility of requirements and collaborate on implementation approachEnsure product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reportsWork independently and efficiently within an agile software development environmentProvide mentoring to junior members of the teamMust be able to work on-site in Ashburn, VA 1–2 days per weekRequirementsYou must live within the DC, MD, VA area.U.S. Citizenship is required. Candidate must be able to obtain a CBP/DHS Public Trust clearance.Professional experience: 5+ years building production web applications, including hands-on, day-to-day development in React and TypeScriptStrong proficiency in JavaScript, HTML, HTTP, and CSS, and experience with a component/UI framework such as Kendo UI or AngularWorking experience with Java 17, Spring/Spring Boot, PostgreSQL, an ORM such as Hibernate, and Amazon AWSExperience with Continuous Integration / Continuous Deployment tools such as Harness, Jenkins, GitLab, or BambooExperience with responsive and mobile-first developmentUse data, validation, and feedback strategies that deliver code backed by qualitative and quantitative testingAbility to translate wireframes, mockups, and design specifications into working, production-quality front-end codeAbility to understand trade-offs between design intent, technical feasibility, and long-term maintainabilityExperience developing applications, from consumer-facing to internal toolsFamiliarity with enterprise UI design/handoff tools such as Figma is a plusStay current on important industry and customer trends to ensure applications are delivering relevant solutionsCollaborate effectively with stakeholders inside the company and with customer groups to drive effective solutionsWilling to take risks and champion new ideasAble to work and be effective in an agile development environmentExcellent written and verbal communication skillsHighly responsible, team-oriented individual with strong work ethic and a self-starter mindsetPreferred Skills and Experience:Experience with Angular in addition to ReactProven experience designing for or implementing web accessibility (Section 508 standards)Experience with information architecture or design systemsAbility and interest in educating others on front-end development best practicesAdvanced understanding of Lean processes and Agile principlesDesign Thinking certifications (such as those offered through IDEO, Stanford, Cornell, MIT, or other organizations) a plus, not requiredWork Location: This position is limited to candidates residing in U.S. states where the company is currently registered to employ team members.Salary Range: $85,000 – $120,000 annuallyThis position may be filled at the Mid or Senior 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.","datePosted":"2026-10-08T13:48:24.571Z","dateModified":"2026-10-08T13:48:24.571Z","hiringOrganization":{"@type":"Organization","name":"In Js","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Virginia","addressRegion":"MN","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"45e0e2adaaa69d6725ac5dd0"},"url":"https://jobsearcher.com/jobs/45e0e2adaaa69d6725ac5dd0"}}