{"id":406036,"url":"https://alion.io/job/vml-front-end-software-developer","title":"Front End Software Developer","company":{"id":456023,"name":"VML","domain":"vml.com","url":"https://alion.io/company/vml","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":77,"open_postings":88,"ghost_share":0,"stale_share":0.932,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San José, Costa Rica"],"countries":["CR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Adobe XD","optional":false},{"name":"Agile","optional":false},{"name":"Babel","optional":false},{"name":"Figma","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"React Router","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Scrum","optional":false},{"name":"Sketch","optional":false},{"name":"TypeScript","optional":false},{"name":"Webpack","optional":false},{"name":"AI Agents","optional":true},{"name":"CI/CD","optional":true},{"name":"Cypress","optional":true},{"name":"Jest","optional":true},{"name":"Tailwind CSS","optional":true}],"status":"live","first_seen_at":"2026-05-11T21:13:48Z","employer_posted_date":"2026-08-31","last_verified_at":"2026-10-17T08:56:54Z","board_verified":true,"closed_at":null,"days_open":158,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":158},"description":"Who We Are\nVML is a global creative company that combines brand experience, customer experience, and commerce to create connected brands that drive growth. Guided by a Human First philosophy, VML is known for its innovative work for brands and consistently ranks among the world’s leading creative companies, including the WARC Creative 100. VML’s global network spans 55+ markets with principal offices in Buenos Aires, Kansas City, London, New York, São Paulo, Shanghai and Singapore. \nVML is part of WPP, the trusted growth partner for the world's leading brands. Powered by exceptional talent and our agentic marketing platform WPP Open, WPP unites cutting-edge media intelligence and data solutions, creativity, production, enterprise solutions and expert strategic counsel. \nFor more information, please visit www.vml.com and follow along on LinkedIn #WeAreVML.\nSobre WPP \nWPP es el socio de crecimiento de confianza para las marcas líderes del mundo. Unimos inteligencia de medios de vanguardia y soluciones de datos, creatividad de clase mundial, producción de próxima generación, soluciones empresariales transformadoras y asesoramiento estratégico experto en una única empresa, impulsada por talento excepcional y nuestra plataforma de marketing agencial, WPP Open, para ayudar a nuestros clientes a navegar el cambio, capturar oportunidades y generar un crecimiento transformador. Para más información, visite WPP.com. \nVML Costa Rica, part of WPP, is seeking a talented and experienced Front End Developer to join our team. In this role, you will be responsible for creating and implementing high-quality, responsive user interfaces that deliver exceptional user experiences. You will work collaboratively with designers, back-end developers, and project managers to build innovative web solutions that meet our clients' needs and business objectives. \nKey Responsibilities \nWeb Development\nTranslate design mockups and wireframes into interactive and pixel-perfect web interfaces \nCollaborate with UX/UI designers to implement intuitive and visually appealing user interfaces \nBuild reusable components and libraries for future use \nEnsure web applications are responsive across various devices and browsers \nCross-Functional Collaboration\nWork closely with back-end developers to integrate front-end components with server-side logic \nCommunicate effectively with project managers and other team members to meet project goals and deadlines \nParticipate in code reviews and provide constructive feedback to other developers \nContribute to technical discussions and solution planning \nCode Optimization\nIdentify and address performance bottlenecks and optimize code for maximum speed and scalability \nMaintain code quality and ensure adherence to coding standards \nImplement best practices for front-end architecture and design patterns \nStay updated with emerging technologies and industry trends \nTesting and Debugging\nConduct thorough testing and debugging of front-end components \nTroubleshoot and resolve issues promptly to ensure a seamless user experience \nWrite unit tests and integration tests for front-end code \nParticipate in QA processes to ensure high-quality deliverables \nQualifications \nRequired Skills and Experience \n3+ years of professional experience in front-end development \nProficiency in ReactJS and its ecosystem (Redux, React Router, etc.) \nKnowledge of TypeScript \nStrong understanding of HTML5, CSS3, and JavaScript (ES6+) \nExperience with responsive web design and mobile-first development \nKnowledge of RESTful APIs and asynchronous programming \nBasic knowledge of CMS-related integration \nExperience with version control systems (e.g., Git) and front-end build tools (Webpack, Babel, etc.) \nFamiliarity with UI/UX principles and design tools (e.g., Adobe XD, Sketch, Figma) \nAbility to work collaboratively in an Agile/Scrum development environment \nExcellent problem-solving skills and attention to detail \nStrong communication and teamwork skills \nPreferred Skills \nExperience with Tailwind CSS \nKnowledge of server-side rendering and static site generation \nUnderstanding of web accessibility standards (WCAG) \nExperience with performance optimization techniques \nExperience with package managers. \nFamiliarity with CI/CD pipelines \nExperience with testing frameworks like Jest, React Testing Library, or Cypress \nEducation \nBachelor's degree in computer science, Web Development, or related field (or equivalent practical experience) \nEn VML, parte de WPP, estamos comprometidos a fomentar un entorno laboral totalmente inclusivo que sea gratificante y propicie el desarrollo profesional. Creemos en la creación de un entorno de trabajo dinámico que valore la diversidad y la inclusión, y nos esforzamos por reclutar una lista diversa de candidatos para ayudarnos a lograr ese objetivo. Estaremos encantados de proporcionar acomodos razonables a las personas con discapacidades que necesiten un acomodo para usar o acceder al sitio de carreras de VML o para participar plenamente en el proceso de solicitud. Si necesita un acomodo para completar su solicitud u otro aspecto de nuestro proceso de reclutamiento debido a una discapacidad, comuníquese con nuestro departamento de Recursos Humanos o envíe un correo electrónico a (contacto de RR. HH.) para solicitarla.\nAl hacer clic en \"Enviar solicitud\", la información que ingrese a continuación se enviará a VML. Antes de continuar, le sugerimos que revise nuestra Política de Privacidad de Reclutamiento. Los residentes de California deben revisar nuestro Aviso de Privacidad de Reclutamiento de California. En estos documentos se explica cómo utilizamos sus datos personales cuando solicita un puesto con nosotros, así como la forma en que puede actualizar o eliminar la información que nos ha proporcionado.\nWe believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office an average of four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.\nWPP (VML) is an equal opportunity employer and considers applicants for all positions without discrimination or regard to characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. \nWhen you click \"Submit Application\", this will send any information you add below to VML. Before you do this, we think it's a good idea to read through our Recruitment Privacy Policy. California residents should read our California Recruitment Privacy Notice. 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