{"schemaVersion":"jobsearcher.job.v1","id":"d0d8ae29eea3cba9cf97946d","url":"https://jobsearcher.com/jobs/d0d8ae29eea3cba9cf97946d","canonicalUrl":"https://jobsearcher.com/jobs/d0d8ae29eea3cba9cf97946d","title":"Frontend Developer – Data Visualization & GIS","description":"Job DescriptionJob TitleFrontend Developer – Data Visualization & GISOverview / SummaryHTC is seeking a Frontend Developer to build a public-facing Data Explorer for the Public Health Data Portal. This role focuses on developing a modern, responsive interface that enables users to interact with health data through dynamic charts, ArcGIS maps, filters, query builders, and downloadable datasets. The developer will own the UI layer, ensuring performance, accessibility, and long-term maintainability while collaborating with cross-functional teams to deliver a high-quality public data portal.Key ResponsibilitiesFrontend Development & User ExperienceDesign and develop a responsive, accessible public-facing portal UI for data exploration and visualization integration.Build interactive UI components such as tree navigation, query builders, filter panels, and visualization control panelsDevelop clean, reusable frontend components for scalable and maintainable UI architectureEnsure consistent user experience aligned with branding standards and design guidelinesData Visualization & Geospatial MappingBuild interactive chart visualizations using Chart.js or D3.js for analytical views (time-series, bar, multi-series)Integrate ArcGIS Maps SDK for JavaScript using ArcGIS Enterprise v11.5 REST endpointsImplement choropleth, feature, and basemap visualizations linked to ArcGIS Story MapsSupport user interactions across maps, charts, tables, and filters for seamless data explorationImplement dataset export and download workflows supporting multiple formatsAPI Integration & PerformanceConsume RESTful APIs for dynamic data rendering, filtering, and state managementCollaborate with Backend Data Engineer to define API contracts and optimize query efficiencyOptimize frontend performance for data-heavy, interactive user experiencesImplement save query and shareable URL functionality with responsive renderingAccessibility, Quality & TestingEnsure compliance with ADA, Section 508, and WCAG 2.1 AA accessibility standardsIntegrate automated accessibility validation tools (pa11y, axe-core) in CI/CD pipelinesWrite and maintain unit and integration tests using JestPartner with QA Automation for regression testing and accessibility validationRequired Qualifications5+ years of experience developing modern, responsive frontend applications using JavaScript / TypeScriptStrong experience with HTML5, CSS3, and modern UI frameworks (React, Vue, or equivalent) and vanilla JavaScriptExperience with Chart.js, D3.js, or similar data visualization librariesExperience integrating ArcGIS Maps SDK for JavaScript or comparable mapping librariesExperience consuming RESTful APIs for dynamic data rendering and state managementStrong understanding of ADA, Section 508, and WCAG 2.1 AA accessibility standards with hands-on remediationExperience writing unit and integration tests with Jest or similar frameworksAbility to collaborate with backend, QA, architecture, and delivery teams in an Agile environmentWhat Makes HTC A Great Place To Build Your FutureHTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.#HTCGlobalServices #NowHiring","company":"HTC Global Services","rawCompany":"htc global services","city":"Phoenix","state":"AZ","isRemote":false,"isActive":false,"createdAt":"2026-04-22T18:50:32.623Z","occupations":[{"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"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Frontend Developer – Data Visualization & GIS","description":"Job DescriptionJob TitleFrontend Developer – Data Visualization & GISOverview / SummaryHTC is seeking a Frontend Developer to build a public-facing Data Explorer for the Public Health Data Portal. This role focuses on developing a modern, responsive interface that enables users to interact with health data through dynamic charts, ArcGIS maps, filters, query builders, and downloadable datasets. The developer will own the UI layer, ensuring performance, accessibility, and long-term maintainability while collaborating with cross-functional teams to deliver a high-quality public data portal.Key ResponsibilitiesFrontend Development & User ExperienceDesign and develop a responsive, accessible public-facing portal UI for data exploration and visualization integration.Build interactive UI components such as tree navigation, query builders, filter panels, and visualization control panelsDevelop clean, reusable frontend components for scalable and maintainable UI architectureEnsure consistent user experience aligned with branding standards and design guidelinesData Visualization & Geospatial MappingBuild interactive chart visualizations using Chart.js or D3.js for analytical views (time-series, bar, multi-series)Integrate ArcGIS Maps SDK for JavaScript using ArcGIS Enterprise v11.5 REST endpointsImplement choropleth, feature, and basemap visualizations linked to ArcGIS Story MapsSupport user interactions across maps, charts, tables, and filters for seamless data explorationImplement dataset export and download workflows supporting multiple formatsAPI Integration & PerformanceConsume RESTful APIs for dynamic data rendering, filtering, and state managementCollaborate with Backend Data Engineer to define API contracts and optimize query efficiencyOptimize frontend performance for data-heavy, interactive user experiencesImplement save query and shareable URL functionality with responsive renderingAccessibility, Quality & TestingEnsure compliance with ADA, Section 508, and WCAG 2.1 AA accessibility standardsIntegrate automated accessibility validation tools (pa11y, axe-core) in CI/CD pipelinesWrite and maintain unit and integration tests using JestPartner with QA Automation for regression testing and accessibility validationRequired Qualifications5+ years of experience developing modern, responsive frontend applications using JavaScript / TypeScriptStrong experience with HTML5, CSS3, and modern UI frameworks (React, Vue, or equivalent) and vanilla JavaScriptExperience with Chart.js, D3.js, or similar data visualization librariesExperience integrating ArcGIS Maps SDK for JavaScript or comparable mapping librariesExperience consuming RESTful APIs for dynamic data rendering and state managementStrong understanding of ADA, Section 508, and WCAG 2.1 AA accessibility standards with hands-on remediationExperience writing unit and integration tests with Jest or similar frameworksAbility to collaborate with backend, QA, architecture, and delivery teams in an Agile environmentWhat Makes HTC A Great Place To Build Your FutureHTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.#HTCGlobalServices #NowHiring","datePosted":"2026-04-22T18:50:32.623Z","dateModified":"2026-04-22T18:50:32.623Z","hiringOrganization":{"@type":"Organization","name":"HTC Global Services","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Phoenix","addressRegion":"AZ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"d0d8ae29eea3cba9cf97946d"},"url":"https://jobsearcher.com/jobs/d0d8ae29eea3cba9cf97946d"}}