Empleos de senior javascript engineer en Valencia

Plain Concepts is looking for a Data Engineer to join our international Data squad. You’ll design and deploy data solutions, work on ETLs with Spark (Python/Scala), and build scalable pipelines in cloud environments such as Azure or AWS. With 4+ years of data engineering experience, you’ll collaborate in Agile, own tasks, and contribute to best...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer (Golang/TypeScript/React) based in Spain. As a Senior Software Engineer, you will help build and evolve a data-intensive platform used by major organisations to make informed business decisions. You will...

Staking Facilities Gmbh is seeking a proactive tech professional to maintain blockchain networks. You will monitor systems, perform updates, respond to alerts, and mitigate outages while improving workflows. Strong Linux and Ansible skills are essential, with reading ability in Rust or Golang. You will collaborate with a close-knit team, work remotely if...

La Fosse Recruitment is helping an industry-leading media and publishing organisation to hire a Senior WordPress Engineer. You will build enterprise WordPress platforms, headless architectures with REST APIs, and modern frontend tooling using React and TypeScript. Based fully remotely with UK working-hours overlap, you will mentor engineers, drive...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer (.NET/React) based in Spain. As a Senior Full Stack Engineer, you will build and evolve scalable, secure, and high-performing applications across both backend and frontend layers. You will work...

T-Systems es parte del grupo Deutsche Telekom, con unos 30.000 empleados en todo el mundo. Creamos tecnología con propósito para generar un impacto positivo en la sociedad. Buscamos talento curioso, con ganas de aprender, asumir retos y aportar ideas que transformen la experiencia de nuestros clientes. Confiamos en las personas: ofrecemos autonomía, apoyo...

Lever, Inc. is seeking a Senior DevOps Engineer in Spain to own production infrastructure and containerized applications. You will optimize deployment workflows, enhance observability, and drive cost-efficient scaling while partnering with development teams on CI/CD improvements. The role focuses on Kubernetes, AWS services, and IaC with Terraform,...

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time. You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven...

Analog Devices, Inc. in Ireland is seeking a Senior Engineer, Embedded Software to contribute to development of embedded software for ADEF & COMMS.You will lead in creating high-performance real-time software for ARM Cortex-M microcontrollers, focusing on reliability, security and performance. You will design drivers in C and C#, work with Silicon Designers,...

Digital Waffle seeks an AI infrastructure owner to bridge research and production. You will turn ideas into scalable systems that run reliably at scale, from raw data to deployed models. Day-to-day work includes building end-to-end pipelines, adapting models with LoRA/QLoRA, and architecting low-latency inference systems while optimizing GPU usage. You will...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior AI Engineer (f/m/x) based in Spain. This is a senior backend engineering role focused on building the internal AI infrastructure that enables an organisation to become truly AI-native. You’ll take AI-powered tools from...

Elastic is seeking a Senior Software Engineer to join the Elasticsearch Performance team. You will drive high-performance optimization for distributed systems and contribute code from development to production. The role emphasizes profiling, benchmarking, and AI-assisted automation to improve performance across stateful and serverless environments. You will...

HCL Technologies Limited is seeking a Backend Developer to strengthen our Spain-based team. You will design and implement backend services, compose APIs, and contribute to CI/CD using Azure DevOps. Proficiency in Maven, JPA/JDBC, and databases is expected, with knowledge of OpenShift and scalable architectures. You should be comfortable with distributed...

CONVOTIS Iberia busca un Data Engineer Senior para diseñar, construir y evolucionar pipelines y modelos de datos robustos. Se valorará autonomía técnica y capacidad para entregar soluciones mantenibles para analítica, reporting e IA. Formarás parte del equipo de Data Engineering, colaborando con negocio, BI y plataforma para acelerar la entrega de...

My IT Crew is seeking a Senior IT Support Engineer to join the Service Delivery Team. This fully remote position is open to candidates anywhere in the United States, offering a chance to work with a customer-focused MSP with a culture of collaboration and ongoing training.The role requires extensive experience in Windows on-premise and cloud environments,...

Lifted (an Upwork Company) is seeking experienced Structural Engineers to design AI training tasks, craft problem statements, and evaluate AI-generated structural solutions. You will build tasks using OpenSees, create reference solutions, and develop scoring criteria to measure performance.This fully remote, project-based role offers flexibility and weekly...

Jobgether SRL in Spain is seeking a Senior Customer AI Engineer – Token Factory to bridge engineering, delivery, and customer success. You will guide PoC-to-production transitions, optimize AI workloads, and troubleshoot production challenges while ensuring reliability and cost efficiency.You will work closely with customer engineering teams, product, and...

Intersect is seeking a seasoned Control Systems Engineer to lead plant-wide control strategy and system architecture for large-scale power generation and data infrastructure projects. You will steer integration of reciprocating engines, gas turbines, and balance-of-plant systems, while partnering with EPCs and OEMs to ensure performance and reliability in...

Senior Full Stack Engineer (Remote in Spain Possible)Apply for theSenior Full Stack Engineerrole atLanguage Wire, a global leader in language and content services dedicated to helping brands reach their full global potential.About the RoleYou will help modernize our core application and develop valuable features for our translators, customers and internal...

Jobgether SRL is recruiting a Senior Software Engineer in Spain to shape and scale an AI-driven market intelligence search platform. You will design and optimize distributed systems handling billions of documents with millisecond latency, mentor engineers, and drive platform modernization.The role emphasizes performance, observability, and collaboration...