Empleos de senior javascript engineer en Barcelona

Telecare is seeking a Senior Systems Engineer – Hybrid Cloud to lead design, development and operation of a cost-efficient, highly available hybrid cloud infrastructure.You will support on-prem private clouds, public cloud services, databases, storage and SRE, while optimizing security and scalability.The role requires strong Azure expertise, extensive...

Lever, Inc. is seeking a Senior VFX Engineer in a fully remote arrangement to power real-time visual effects within a major Unity3D project.You'll own shader pipelines, particle systems, and runtime VFX architectures while balancing performance with visual ambition.The role requires close collaboration with artists and engineers to translate creative goals...

Cognizant is seeking a Sr Quality Engineer for a hybrid role focusing on Automation Testing using Karate and Java to design robust test strategies and automation frameworks.The position collaborates with cross-functional teams to improve product quality, optimize test coverage, and enable continuous improvement for travel industry platforms.The role...

Preply is seeking a Senior Full Stack Engineer for the CRM team to shape our communications platform and AI-native workflows.You'll own backend and frontend components, collaborating with product, data, and UX to deliver measurable customer impact.You'll work across Python/Django on the backend, React/TypeScript on the frontend, and with Braze-based email...

Empresaconfidencial busca un/a Salesforce Application Support Engineer para un proyecto internacional de alto impacto tecnológico en Barcelona.Serás nexo entre equipos de Software Engineering, SRE, Cloud y negocio, asegurando operación estable y evolución de la plataforma Salesforce.Las responsabilidades incluyen gestionar incidencias críticas, RCA,...

### Who you are - We are looking for a senior level engineer, with a rich background of solving complex web and react native issues. You may not have all of these, but some of the things you will bring are: - 7+ years as a professional software developer - Expertise with Javascript frameworks (especially React) and component-driven design - Experience in...

¡Buscamos Senior Microsoft Infrastructure Engineer!¿Tienes amplia experiencia administrando entornos Microsoft y te interesa trabajar con Azure, Microsoft 365, Entra ID y automatización en entornos empresariales complejos?Estamos buscando un/a Senior Microsoft Infrastructure Engineer para incorporarse a un entorno tecnológico de gran escala, con un papel...

Most AI products are wrappers. We're building the real thing, an agent that takes on genuine tasks for everyday users: running errands, managing workflows, holding context across long and complex conversations. Reliable by design, not by luck. We're small, we move fast, and the ML layer is the product. We need someone to own it. The role You'll bridge...

¿Eres una persona profesional y de mente abierta con experiencia práctica en Databricks o herramientas ETL similares? Si te suena, esta podría ser la oportunidad perfecta para unirte a EPAM como Ingeniero/a Senior de Datos. Buscamos un/a jugador/a de equipo con excelentes habilidades de comunicación y organización, dominio de la ingeniería y un nivel...

This job is with Adaptive Financial Consulting Ltd, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.WE ARE:  At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value...

This job is with Allianz Commercial, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.La persona seleccionada formará parte de la oficina de Operations Data como Senior Analytics & AI Engineer, liderando la evolución de las capacidades de...

We are looking for a Senior AI/ML Engineer to design, develop, and enhance AI-driven solutions within the Palantir Foundry and AIP ecosystem. In this role, you will take ownership of developing production-ready machine learning and LLM-based solutions, from understanding business needs and exploring data to designing technical approaches, implementing...

**We Are Waiting for You** Hi there! I am **Laura,** the recruiter for this position. Nice to meet you! First, a little bit about what I like the most about working at **Zurich Technology Delivery Center**: The environment here is incredibly collaborative and innovative. Our tech-driven mindset fosters continuous learning and growth, creating...

UL Solutions in Spain is seeking a Senior Project Engineer - Heat Pumps to lead certification, testing and evaluation of residential and commercial heat pump technologies, guiding projects from engagement to final approval.You will act as a technical expert, develop innovative test methods, apply EN and ISO standards, coordinate laboratories, and collaborate...

Lever, Inc. is seeking a Senior Software Engineer (Golang/TypeScript/React) for an independent contractor role based in Spain.You will develop backend Golang microservices and frontend UI with React and TypeScript, delivering scalable, data-intensive features.You will own features end-to-end, influence architecture, and drive improvements in performance,...

Jobgether is seeking a Senior Software Engineer – Data Search based in Spain/Europe to build and improve a large-scale creator search system.You will work across the full search stack, including embeddings, ranking, and low-latency serving, handling hundreds of millions of profiles and media files.You will own features from discovery through production,...

Lever, Inc. is seeking a Senior Animation Engineer based in Spain to own animation runtime systems in Unity and drive data-oriented animation solutions.You will work across Animation, Tech Art, and Engineering to translate creative requirements into scalable, production-ready features.The role emphasizes R&D ownership, collaboration with Animators and...

Autodesk is seeking a Senior Dev Ops Developer / SRE to design, operate, and continuously improve cloud-native services powering critical workflows.You will partner with Software, Infra, and Platform teams to automate, observe, and secure production systems.You will own service health, disaster recovery, and CI/CD automation while driving improvements in...

Dow Jones & Company, Inc. seeks a Senior Machine Learning Engineer to design, build and operate ML pipelines and infrastructure in Barcelona.You will collaborate with data scientists to integrate models, including LLMs, and to productionize AI solutions with secure, scalable systems.You will work closely with the Technology department to advance NLP, Gen AI,...

We power people's progress.At Preply, we're all about creating life-changing learning experiences.We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing.Our approach is human-led, tech-enabled - and it's creating real impact.We've just reached unicorn status with a $150 M Series D,...