3853 backend developer English-speaking jobs in Spain

We are looking for an expert to work as Senior Frontend developer!

Requirements More than 5 years as a Full Stack Developer in enterprise environments. ... We’re seeking a Senior Fullstack Developer with experience in .NET and Angular to join our Application

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid understanding of scalable backend systems, performance optimization, and client‑server architecture ... Build, lead, and mentor a high‑performing development team (including Unity engineers and backend developers ... Leadership & Architecture Own and evolve the full technical architecture across game clients (Unity), backend ... Blast—ensuring high development velocity, strong code quality, and scalable architecture across client, backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid understanding of scalable backend systems, performance optimization, and client‑server architecture ... Blast—ensuring high development velocity, strong code quality, and scalable architecture across client, backend ... Leadership & Architecture Own and evolve the full technical architecture across game clients (Unity), backend ... Organization Build, lead, and mentor a high‑performing development team (including Unity engineers and backend

From high-performing APIs to backend algorithms, integration frameworks, to guaranteeing data privacy ... You've worked with a variety of web APIs and developed backend services using modern OOP practices ... However, this role is more heavily focused on backend development, but will have some frontend development ... Proficient in English Tech stack Our systems are built in Ruby on Rails, PostgreSQL and Redis on the backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

~ Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

Solid backend experience with a typed language (.NET Core/C#, Java/Spring, Go, or similar). ... Our current stack is React + Vite on the frontend and .NET Core on the backend, but what matters most ... Our backend is .NET Core — same principle applies: fundamentals matter more than exact stack match. ... RESPONSIBILITIES Design, develop, and deliver features across our React + Vite frontend and .NET Core backend

From high-performing APIs to backend algorithms, integration frameworks, to guaranteeing data privacy ... You’ve worked with a variety of web APIs and developed backend services using modern OOP practices. ... However, this role is more heavily focused on backend development, but will have some frontend development ... Proficient in English Tech stack Our systems are built in Ruby on Rails, PostgreSQL and Redis on the backend

What You’ll Do Deliver features end-to-end across frontend and backend Collaborate with product and ... Our Stack We work with a modern TypeScript-based stack: Frontend: React, Next.js, TailwindCSS Backend

We use Go and Python in the backend, and Python is central to our AI work. ... Collaborate with backend and DevOps teams to integrate AI into scalable systems.

Backend engineering experience. ... Collaborate closely with design, clinical teams, Q.A engineers, and backend engineers.