3,175 ofertas de freelance network engineer en toda España.

Octopus Energy is seeking a Senior Frontend Engineer in Barcelona or Valencia, Spain, to own frontend architecture for customer onboarding, private area, and billing features. You will collaborate with international teams across Europe, shaping fast-paced, customer-focused frontend solutions. You will work primarily on ...

UST is a multinational technology services company seeking a Frontend React Engineer for our Madrid team. The role involves developing modern frontend applications, designing scalable architectures, and contributing throughout design, development, deployment, and monitoring. The candidate will join a collaborative environment, ...

https://jobeax.com/link/CceYJvH61YMJlyJs is seeking a Frontend Engineer to join our fast-moving product teams in Barcelona. You will build and improve applications that transform the vehicle buying and selling experience, working closely with multidisciplinary teams across Product, UX, Data, and Backend. This role emphasizes ...

ahead is seeking a Senior Frontend Engineer to help us evolve our AI-first SaaS platform in Barcelona. You will take ideas from concept to production, building with React, TypeScript and https://jobeax.com/link/Z30sZYC3jcRenVso while exploring new AI tools and approaches. We value ownership, curiosity and collaboration ...

... digital technology services and deliver large-scale technology solutions for major companies. What are we looking for? We are looking for a Frontend React Engineer with solid experience in developing modern frontend applications, capable of designing scalable architectures and participating throughout the entire solution ...

Fut-ure Recruitment and Technology is seeking a Senior Front-End Developer for a disruptive startup in Barcelona. The role focuses on building scalable front-end solutions with React, Redux and modern UI/UX principles, working in an AI-driven messaging environment.

MediaMarktSaturn Technology is seeking a senior frontend engineer in Barcelona to join the Tech Hub team. You will design, build, and optimize scalable React/TypeScript frontend features for a global webshop, collaborating across product, design, and backend teams. You will own features end-to-end, emphasizing performance, ...

Tamarind Intelligence busca un Frontend Developer para un proyecto tecnológico de gran escala en ciberseguridad, centrado en ingeniería, calidad y testing. Desarrollarás en React, construirás componentes reutilizables y colaborarás con equipos internacionales desde Barcelona.

Titan OS в Барселоне ищет опытного frontend‑разработчика с акцентом на React для создания и улучшения веб‑платформы, работающей на Smart TV. Ваша задача — проектировать, кодировать и тестировать новые функции совместно с UX‑дизайнерами и backend‑командой.

Una empresa líder en cuidado animal está buscando un Desarrollador/a Front-end en Madrid. El candidato ideal debe tener de 2 a 3 años de experiencia en desarrollo Frontend, ser proactivo y tener un buen manejo de tecnologías como JavaScript, HTML y CSS.

TransPerfect Is More Than Just a Job... TransPerfect is looking for a talented Frontend Engineer to join our TechOps team in Madrid to help shape the quality, development, and execution of our software products across our global platform. You will translate complex designs from Figma into clean, scalable UI using https://jobeax.com/link/tzGekrj9a8ToGEDv, ...

TransPerfect is seeking a Frontend Engineer to join the TechOps team. You will implement features, build reusable UI components, and optimize performance across complex enterprise interfaces. The role emphasizes collaboration in an Agile environment and a strong focus on code quality and maintainability. The ideal candidate ...

Octopus Energy is seeking a Senior Frontend Engineer to lead frontend architecture for customer onboarding flows and private area, with a focus on TypeScript, React, and Next.js. You will collaborate across Europe and own frontend modules end-to-end. Location options include Barcelona or Valencia in a hybrid setup. Strong ...

com/link/6WcBICn0LM558SP0, JavaScript, and TypeScript. You will join a cross-functional Agile team with a DevOps mindset to deliver scalable, secure software for a global wealth management client. The role requires strong English communication, familiar with REST APIs and Kubernetes, with hybrid work in Madrid.

Earlybird Farm busca un Backend Developer (Python + C++) para trabajar en una arquitectura SOA en Madrid. Es una posición híbrida donde se valorará experiencia real y pensamiento crítico más allá de simplemente construir endpoints.

Ookla seeks a Senior Android Engineer to own its Android SDKs (CQoE and Speedtest), collaborating across Kotlin/Java, JNI/NDK, and its shared C++ engine. You will implement and maintain features for millions of devices, ensuring robust APIs and integration with partner apps and internal clients. The role requires 5+ years ...

... is to offer technological products of high quality to our customers. You cooperate with Business and IT stakeholders and take over various tasks as Software Engineer in the area of the Spanish Tax Services. What You Will Do - ensure Run operations of the application. Resolution of the incident and problem management process ...

Launchmetrics is hiring a senior full‑stack engineer to build scalable backend systems with PHP/Laravel and craft responsive frontend components with React. You will design APIs, write tests, and own architectural decisions while leveraging AI-assisted development tools to accelerate delivery. You’ll collaborate with design ...

... power customer-facing experiences across zooplus. The team owns the shared frontend architecture, developer tooling, and platform capabilities that enable engineering teams to build and ship features faster, more reliably, and with a consistent user experience. You'll work closely with engineers, architects, and product ...

... consolidation phase, their Madrid Hub is expanding from 20 to over 100 top-tier engineers in 2026. This is your chance to join a high-growth environment where engineering quality and product ownership are the top priorities. The Mission: Impact at Scale As a Senior Full-Stack Engineer you will be an architect of transparency. ...