559 backend developer English-speaking jobs in Spain

for our data-intensive web app Build and maintain a robust and scalable backend infrastructure to power ... frontend and backend cloud infrastructure at scale in a production environment (DevOps) Ability to work ... ) Experience with building responsive web applications and scalable backend services Comfortable managing ... with React/NextJS/TypeScript/NodeJS Very comfortable working across the stack (primarily frontend and backend ... Engineer on the team, you will be responsible for building a sleek frontend user experience, a scalable backend

JavaScript, React/Angular).Performance optimization techniques (lazy loading, caching, CDN, minification).Backend ... testing tools (e.g., JMeter, Gatling, LoadRunner, k6).Experience with frontend monitoring frameworks and developer ... SLAs.Analyze frontend performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer

Key Responsibilities: System Architecture: Design, build, and maintain scalable backend systems for AI ... What We're Looking ForTechnical Skills: 5+ years building backend systems in NodeJS & Typescript. ... Your ImpactAs a Senior Backend Engineer, you'll architect the systems powering our AI-driven platform

seamless in-app chat, text, or recommendation features.Collaborate with designers, product managers, and backend

. • Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, and event-driven

. • Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, and event-driven

. • Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, and event-driven

. • Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, and event-driven

. • Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, and event-driven

####### ONLY FOR RESIDENTS IN SPAIN #######We are looking for a passionate Senior Full-Stack Developer ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... If you think that TypeScript is the way to go and are able to push to future standards, great :).Backend ... step for scaling, not a hurdle.Communication: Strong collaboration skills to bridge the gap between Backend

. • Collaborate with the AI, backend, and frontend teams to synchronize voice, gestures, and expressions ... performance optimization across devices. • Ability to work in a multidisciplinary team (AI, design, backend

Software Engineer / Developer Madrid onsite to €120,000 Are you a technologist Software Engineer with ... influence You have fluent English language skills What's in it for you: As a Software Engineer / Developer ... events and early finish for drinks on Fridays Apply now to find out more about this Software Engineer / Developer

Collaborate with fellow engineers to develop robust and scalable backend services, prioritizing system ... responsibilitiesDevelop scalable backend applications designed for cloud-native deployments.Implement ... development.What you'll bring+7 years of experience in backend software development, specifically ... Engineer, you will be responsible for designing, building, and maintaining backend applications deployed ... This role requires a strong understanding of modern backend development and event-driven architecture.Key

Proven experience as a Dynamics 365 CE Developer with focus on Sales, Customer Service, and Marketing ... Job Summary: We are seeking a skilled Dynamics 365 Developer to design, customize, and implement solutions ... communication skills Preferred Qualifications Microsoft certifications such as PL-400 (Power Platform Developer

as software developer with Go Passion for Open Source and technology Able to communicate your ideas ... Our requirements are the following: Experience as software developer with Typescript and React Experience

as software developer with Go Passion for Open Source and technology Able to communicate your ideas ... Our requirements are the following: Experience as software developer with Typescript and React Experience

as software developer with Go Passion for Open Source and technology Able to communicate your ideas ... Our requirements are the following: Experience as software developer with Typescript and React Experience

as software developer with Go Passion for Open Source and technology Able to communicate your ideas ... Our requirements are the following: Experience as software developer with Typescript and React Experience

as software developer with Go Passion for Open Source and technology Able to communicate your ideas ... Our requirements are the following: Experience as software developer with Typescript and React Experience

Senior Software Engineer / Developer (Embedded C++) Madrid to €55,000 Are you an experienced Software ... part of a small, collaborative team Apply now to find out more about this Senior Software Engineer / Developer