Empleos de react js en Valencia

Talantir is seeking a Software Engineer (Front-end) for an hourly remote contract. You will write realistic, self-contained prompts for client-side web applications, games, tools, and simulations, and create precise evaluation rubrics to measure UI behaviors and interactions. You should have professional frontend or full-stack experience with JavaScript,...

Talantir is seeking a Software Engineer (Front-end) for an hourly remote contract. You will write realistic, self-contained prompts for client-side web applications, games, tools, and simulations, and create precise evaluation rubrics to measure UI behaviors and interactions. You should have professional frontend or full-stack experience with JavaScript,...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation...

Octopus Energy in Spain is seeking a Senior Frontend Engineer to own frontend architecture, deliver high‑impact features, and scale customer portals. You’ll collaborate with international teams across Europe and work mainly in TypeScript/React within a fast‑paced, evolving environment. You’ll be hands‑on with Next.js, GraphQL, and CSS‑in‑JS,...

Canonical is hiring a Web/UI Engineer to develop data-rich frontends using JS, CSS, React and Flutter for Canonical's enterprise products served to customers worldwide. This globally remote role collaborates with a central Vanilla Framework team to build accessible, high-performance interfaces and contribute to API design and documentation.We seek...

En el grupo eXperience, empresa tecnológica con más de 25 años de experiencia en el sector IT, desarrollamos soluciones innovadoras para clientes de primer nivel en distintos sectores. Apostamos por el talento, la excelencia técnica y la colaboración, ofreciendo un entorno profesional, flexible y con proyección de futuro. Actualmente buscamos...

Desde Grupo NS estamos seleccionando un Consultor/a Técnico/a con experiencia en revisiones de diseño y código, tutoría de los ingenieros y coordinación con los equipos colindantes con conocimientos en AWS, React.Js, Golang, PostgreSQL, Athena/Iceberg, Linux (C/C++ o Rust).Acostumbrado a realizar la coordinación de los siguientes equipos: QA: pruebas...

Desde Grupo NS estamos seleccionando un Consultor/a Técnico/a con experiencia en revisiones de diseño y código, tutoría de los ingenieros y coordinación con los equipos colindantes con conocimientos en AWS, React.Js, Golang, PostgreSQL, Athena/Iceberg, Linux (C/C++ o Rust).Acostumbrado a realizar la coordinación de los siguientes equipos: QA: pruebas...

En el grupo e Xperience , empresa tecnológica con más de 25 años de experiencia en el sector IT, desarrollamos soluciones innovadoras para clientes de primer nivel en distintos sectores. Apostamos por el talento, la excelencia técnica y la colaboración, ofreciendo un entorno profesional, flexible y con proyección de futuro. Actualmente buscamos...

Position: Software Engineer (Front-end) Type: Hourly contract Compensation: $70–$80/hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities * Write realistic, self-contained prompts for client-side web applications, games, tools, and simulations. * Create precise, binary evaluation rubrics tagged by verification type. * Ensure rubric...

Descripción del puesto Desde The Whiteam Consulting buscamos un/a Analista Programador/a Senior con sólida experiencia en entornos Java y React para participar en un proyecto de administración electrónica vinculado a la gestión de dependencia y discapacidad. La posición combina análisis funcional y técnico, diseño de soluciones, desarrollo full...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation are...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation are...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation are...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation...

Valencia (ES) / Barcelona (ES)Octopus Energy Engineering ð – Frontend /Full-time /Hybridð We're Revolutionizing Energy to Change the WorldAt Octopus Energy, we're not your typical utility company. We're a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone. We believe technology and innovation...

Available vacancies Senior Fullstack Developer (PHP + Python + Vue/React) – AI Agents Senior Fullstack Developer (PHP + Python + Vue/React) – AI Agents ¡Hola! En Sesame estamos construyendo la próxima generación de nuestra plataforma de RRHH con sistemas multi-agente que automatizan procesos reales en producción — no prototipos, no demos, no...

About the job Full-Stack Lead Engineer (Founding Team)Para presentar una candidatura, simplemente lea la siguiente descripción del puesto y asegúrese de adjuntar los documentos pertinentes.Company:CareerGenieLocation:Remote (Spain orPortugal-based)Type:Full-TimeCompensation:45,000- 60,000/year+ EquityAbout CareerGenieCareerGenieis reimagining how people...

Position: Software Engineer (Front-end)Type: Hourly contractCompensation: $70–$80/hourLocation: RemoteCommitment: ***** hours/weekRole ResponsibilitiesWrite realistic, self-contained prompts for client-side web applications, games, tools, and simulations.Create precise, binary evaluation rubrics tagged by verification type.Ensure rubric items are pass/fail...

Overview Senior Frontend Engineer at Octopus Energy leads frontend architecture for octopusenergy.es and customer onboarding. You collaborate with international teams to deliver high-impact features across the private area, billing, and marketing dashboards. The role blends fast-paced delivery with an agile culture, and offers opportunities to explore...