102 backend developer English-speaking jobs in Catalonia

To strengthen our team, which spans between Switzerland and Spain (Reus), we are seeking a backend developer

Backend Developer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San Vito ... Must To Have Experience: 3+ years in backend development with production-grade systems. ... Contribute to backend services written in Golang where performance and concurrency are critical. ... Open Source: Contributions or side projects showcasing backend, AI, or automation expertise. ... Key Responsibilities Backend Development: Design, build, and maintain scalable, high-performance APIs

We are seeking a talented and motivated Fullstack Developer with strong experience in Java (Spring Boot ... Responsibilities Design, develop, and maintain full-stack web applications using Java Spring Boot (backend

We're hiring: React Native Developer (Expo) @ Dopelist On-site in Barcelona | Full-time About Dopelist ... About the Role We're looking for a strong React Native developer to help us build and evolve the ... between backends/services Our Tech Stack Mobile: Expo, React Native, TypeScript, NativeWind, Zustand Backend ... similar state management Background with animation libraries (Rive, Lottie, Reanimated) Understanding of backend

You will be the main developer responsible for the backend service, with a strong focus on performance ... While backend expertise is essential, you should also have solid experience in modern frontend development ... , but not a main requirement—our infra team handles deployments and operations.ResponsibilitiesLead backend ... decisions and drive architectural improvements.Proactively propose and implement enhancements on both backend ... and frontend.Ensure backend and frontend code are well tested, using Playwright for end-to-end and integration

maintaining APIs and backend systems. ... Candidate profile We are looking for a Mid BackEnd Engineer with hands-on experience in developing and ... You'll design and develop scalable backend services that process and expose data through APIs used ... University degree in Computer Science or equivalent practical experience. • 3-5 years of experience in backend

Be a Part Of a Team Where You Will Design and build backend services, APIs, and developer tools that ... You will focus on designing and implementing backend services and platform components, ensuring that ... Qualifications 4+ years of experience as a software or backend engineer building production-grade systems

3+ years of experience as a Software Developer, ideally in full-stack or backend environments.

Role Description This is a full-time hybrid role in Barcelona (Spain) for a Backend Media Engineer at ... The Backend Media Engineer will be responsible for developing and implementing media related features

4+ years of experience in backend development. ... Strong proficiency in Python for backend applications. ... If you're a Backend Engineer experienced in Python and excited by the challenge of scaling systems ... As a Mid/Senior Backend Engineer – Python, you'll be a key technical contributor responsible for ... designing, developing, and maintaining the backend architecture of a robust battery management platform

Develop backend services (Go lang) and contribute to frontend features in Vue. ... Experience with backend development using Go, .NET, Java, or Node.js. Willing to work with Go. ... Apply Now If you're passionate about backend development and want to grow your skills in Go while

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

We are looking for Backend Engineers (various levels of seniority) to join an exciting European DeepTech ... Engineer your skills will include:2–5 years’ experience building and supporting backend services using ... Key words – Backend Development / Python / Golang / Docker / Kubernetes / AWS / PostgreSQL / CI/CD / ... quantum computing company that develops cutting-edge software that boosts performance & efficiency.As a Backend

Senior Backend EngineerLocation: Barcelona (On-site)About the CompanyOur client is a fast-growing cybersecurity ... The selected candidate will play a key role in designing, developing, and maintaining scalable backend ... every individual’s contribution matters and makes an impact.The RoleWe are looking to hire a Senior Backend ... development, with a strong record of building scalable systemsAdvanced proficiency in Python (core backend ... requirements gathering to deployment and monitoringRequirements5+ years of professional experience in backend

SAP ABAP HCM Developer with integration capabilities to support a major transformation project in SAP ... SPAIN Position: SAP ABAP HCM Developer Location: Barcelona Role Overview: We are looking for an experienced

Experience building with Terraform Developer tooling, CLIs, SDKs, or API design. ... Improve and extend BrowserQL, designing intuitive developer-facing APIs and behaviors. ... Improve performance, reliability, and developer experience across our scraping and automation stack.

We're Hiring: Python Developer (AWS). ... We are seeking a skilled Python Developer to join our team and help design, develop, and maintain robust

Requirements Strong developer + communicator. Python/Node.js/WebRTC/WebSockets. ... Our founding team comes from the core of AI and developer tooling in the USA, with experience scaling

We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.