278 backend developer English-speaking jobs in Barcelona

GOOD TO HAVE InRiver PIM developer certification; Working knowledge of Visual Studio .NET and Azure DevOps

reliability and performance: observability, scaling, upgrade paths, and operational tooling for the backend

reliability and performance: observability, scaling, upgrade paths, and operational tooling for the backend

network system integration, monitoring, configuration management, APIs, microservices, and scalable backend

.• Experience or exposure to modern front-end technologies, especially React, and integration with backend

budgetsBuild product features across the stack, including web chat front ends in React/TypeScript, backend ... comparable low-latency productsStrength in a modern front end (React, TypeScript) and depth on the backend

Supervise software developer and content managers to develop and manage website upgrades/enhancements

resolution rates Experience working with existing component libraries and design systems and providing clear developer

resolution rates Experience working with existing component libraries and design systems and providing clear developer

testing, code reviews, and deployment checks Perform security‑focused code reviews across frontend, backend

testing, code reviews, and deployment checks Perform security‑focused code reviews across frontend, backend

, scalability, and security.Write internal tools and services to automate manual workflows, enhance developer

network system integration, monitoring, configuration management, APIs, microservices and scalable backend

Unify Data Science, Data Engineering, Data Analytics, BI, and backend engineering (predictor/bidder)

the development of full-stack solutions, from designing intuitive user interfaces to crafting robust backend

the development of full-stack solutions, from designing intuitive user interfaces to crafting robust backend

Experience building secure, scalable, enterprise-grade backend applications.

Frontend: TypeScript, React, Next.js, Tailwind Backend: Node.js, Supabase and Postgres, Vercel infrastructure

company’s core technologies include React and React Native for the frontend, Python with Django on the backend

the principles of designing, implementing, and maintaining highly complex asynchronous messaging and backend