{"id":3807732,"url":"https://alion.io/job/ust-senior-full-stack-engineer-java-react-remoto-en-espana","title":"Senior Full Stack Engineer – Java / React | Remoto en España","company":{"id":1774626,"name":"UST","domain":"ust.com","url":"https://alion.io/company/ust-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"RippleHire","truth_index":{"grade":"B","score":76,"open_postings":101,"ghost_share":0,"stale_share":0.97,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":["ES"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CAPA","optional":false},{"name":"CI/CD","optional":false},{"name":"Cypress","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"Playwright","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Postman","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Selenium","optional":false},{"name":"Spring Boot","optional":false},{"name":"JavaScript","optional":true},{"name":"Kotlin","optional":true}],"status":"live","first_seen_at":"2026-11-04T00:00:00Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-07T02:57:29Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Â¡Seguimos buscando talentoâ€¦y nos encantarÃ­a que te unieras a nuestro equipo!\nPara que nos conozcas algo mejor, UST es una multinacional norteamericana certificada como Top Employer y Great Place to Work con mÃ¡s de 35.000 empleados a nivel global y con presencia en mÃ¡s de 35 paÃ­ses. Somos lÃ­deres en servicios de tecnologÃ­a digital y proporcionamos soluciones tecnolÃ³gicas de gran alcance a grandes compaÃ±Ã­as.\nÂ¿QuÃ© buscamos?\nBuscamos un/a Senior Full Stack Engineer con mÃ¡s de 5 aÃ±os de experiencia, sÃ³lido dominio de Java, Spring Boot y React y capacidad para asumir el desarrollo end-to-end de funcionalidades.\nTe incorporarÃ¡s a un proyecto 100% remoto, trabajando con uno de nuestros clientes, lÃ­der en el sector bancario espaÃ±ol. Buscamos experiencia sÃ³lida con AWS, CI/CD, APIs REST y testing automatizado, ademÃ¡s de un nivel de inglÃ©s B2 o superior.\nRequisitos principales:\nMÃ¡s de 5 aÃ±os de experiencia en desarrollo de software, con capacidad para trabajar de forma autÃ³noma en soluciones Full Stack y responsabilizarse de funcionalidades end-to-end.Experiencia sÃ³lida en desarrollo de APIs y microservicios con Java / Spring Boot, incluyendo diseÃ±o, implementaciÃ³n, integraciÃ³n y evoluciÃ³n de APIs REST.Experiencia prÃ¡ctica desarrollando y modificando aplicaciones Frontend con React, incluyendo integraciÃ³n con APIs y evoluciÃ³n de aplicaciones existentes.Valorable experiencia en desarrollo o modificaciÃ³n de aplicaciones mÃ³viles.Experiencia con bases de datos relacionales como PostgreSQL y tecnologÃ­as JPA / Hibernate.Experiencia trabajando con AWS y arquitecturas cloud.Experiencia sÃ³lida y demostrable en CI/CD, automatizaciÃ³n de pipelines, quality gates, testing y procesos de deployment.\nExperiencia en testing mÃ¡ás allÃ¡á del unit testing, incluyendo integration testing, API testing, functional testing y end-to-end testing. Valorable experiencia con herramientas como Playwright, Cypress, Selenium, Postman/Newman o similares.\nExperiencia con Git, Maven, JUnit y Mockito.\nConocimientos de arquitecturas hexagonales, desacopladas y event-driven.\nCapacidad para trabajar end-to-end sobre una funcionalidad, realizando cambios cuando sea necesario en las distintas capas: React → API → microservicios → persistencia → integraciÃ³ón → testing → deployment.\nSe valorarÃ¡á especialmente experiencia aplicando Inteligencia Artificial al ciclo de desarrollo de software, por ejemplo mediante herramientas de AI-assisted coding, generaciÃ³ón y revisiÃ³ón de cÃ³ódigo, generaciÃ³ón de tests, documentaciÃ³ón, anÃ¡álisis/troubleshooting o mejora de la productividad del desarrollo.\nBuen nivel de inglÃ©s obligatorio (mÃ­nimo B2), con capacidad para desenvolverse de forma fluida en un entorno profesional internacional, tanto en conversaciones como en documentaciÃ³n tÃ©cnica y reuniones. Castellano nativo o equivalente.Stack principal\nJava, Spring Boot, React, REST APIs, PostgreSQL, JPA/Hibernate, AWS, Git, Maven, CI/CD, automated testing.\nÂ¿QuÃ© te ofrecemos?\n23 dÃ­as laborables de vacaciones y el 24 y 31 de diciembre.Numerosos beneficios sociales (seguro mÃ©dico, ayuda al teletrabajo, seguro de vida y seguro de accidentes).Programa de RetribuciÃ³n Flexible (tarjeta comida, cheques guarderÃ­a, tarjeta transporte, clases de inglÃ©s online, seguro mÃ©dico para tu familiaâ€¦).Acceso gratuito a varias plataformas de formaciÃ³n.Estabilidad y carrera profesional.Tenemos implantado un plan de compensaciÃ³n de referencias internas.Posibilidad de elecciÃ³n de percibir tu salario en 12 o 14 pagas.Medidas de conciliaciÃ³n (horario flexible, teletrabajo, asesoramiento de especialistas (psicÃ³logo, nutricionista, entrenador personal), jornada intensiva los viernes y en verano segÃºn proyecto).Plataforma UST Club descuentos y descuentos en gimnasios.Si quieres conocer mÃ¡s, no dudes en inscribirte y nos pondremos en contacto contigo para ampliarte informaciÃ³n de la posiciÃ³n Â¡Te estamos esperando!\nEn UST nos comprometemos con la igualdad de oportunidades en nuestros procesos de selecciÃ³n y no realizamos ningÃºn tipo de discriminaciÃ³n por razÃ³n de raza, gÃ©nero, discapacidad, edad, religiÃ³n, orientaciÃ³n sexual o nacionalidad. 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