600 backend developer English-speaking jobs in Spain

Check out this opportunity We are searching for a Java Developer with at least 5 years of experience ... Responsibilities: Design, develop, and maintain scalable, high-performance backend applications using

We are looking for an expert to work as Backend Developer with experience in the banking sector!

Mission Description As a Full‐Stack Developer (Angular / Java), you will be responsible for designing ... Ensure seamless integration between frontend and backend systems. ... Understanding of frontend‐backend interaction patterns (REST, BFF, etc.). ... Technical Skills Strong experience in Java (Spring Boot) for backend development. ... , developing, and integrating end‐to‐end application features, bridging the frontend and backend layers

Main Job Requirements Proven experience as a Full Stack Developer, preferably in AI-related projects ... We are looking for a Full Stack Engineer with strong experience in Python backend development and React ... Strong backend development skills in Python using frameworks such as FastAPI, Flask, or Django Solid ... responsive UI) Good knowledge of API design (RESTful and/or GraphQL) and integration between frontend, backend

At Group-IB, we build high-load backend services that power our products in fraud protection, threat ... We're looking for a strong backend engineer who enjoys solving engineering challenges at scale and is ... Tasks to solve: You'll join one of our cross-functional backend teams working on: Designing and implementing

This is a Python‐in‐Azure developer profile with data knowledge, focused on creating, maintaining, and ... design, versioning, authentication/authorisation, and lifecycle management, and have experience building backend

Proven experience as a hands-on Software Architect, Lead Developer, or Senior Full-Stack Engineer in ... Designing scalable backend systems and APIs using Python and FastAPI. ... Experience designing distributed and scalable backend architectures. ... Strong hands-on experience in full-stack software development encompassing frontend (React), backend ... platforms combining AI/ML technologies, geospatial services, modern web applications, and cloud-native backend

for a talented and enthusiastic Software Engineer Backend to join us. ... Backend & Devops awareness (understand the global architecture / infrastructure). ... At ING we are looking for a Software Backend Engineer Your role and work environment: We are looking ... Your key responsibilities: As an experienced Software Engineer Backend, your aim will be: To design, ... As an expert in the Backend area, you specifically add value on that technical layer but always keep

GitHub Copilot, AI-assisted code review, LLM-based developer tooling) and an openness to adopting AI ... Responsibilities Design, develop, test, and maintain backend microservices using Java and/or Kotlin, ... Requirements Technical skills & experience Solid professional experience with Java as a primary backend ... Contribute to the Backend Engineering Guild — sharing knowledge, promoting best practices, participating ... mid-level engineer, you will be a key contributor to the design, development, and evolution of our backend

This role is ideal for a developer with a solid foundation in .NET who wants to learn from a strong engineering ... resolving technical issues alongside users and stakehold ersBuilding and supporting ASP.NET Core APIs and backend

cloud platforms A genuine passion for staying on the frontier: new models, protocols (MCP, A2A), and developer ... quality Deep Python, TypeScript, and React proficiency frontend (Hooks, Context API, Vite, Shadcn UI) and backend

Senior Backend Engineer (Python / Data) | Spain, Remote | Up to €65,000 Build data and ML powered backend ... This is a data and ML leaning backend role. ... systems for a major global airline KEY POINTS Flexible remote across Spain Build backend services and ... microservices and APIs, you will host and serve AI and ML models in production, integrate them into backend ... Salary up to €65,000 gross, with flexibility for strong candidates ABOUT THE ROLE I'm hiring a Senior Backend

Senior Backend Engineer | Madrid or Málaga Location: Madrid or Málaga (4 days onsite, 1 day remote) We're ... partnered with a leading global FinTech that is scaling rapidly and looking to hire Senior Backend Engineers ... Responsibilities • Develop and enhance scalable backend services and customer-facing products • Collaborate

Work on open-source and commercial products that support developer and enterprise customer requirements ... Write tests and implement automated testing for backend services to deliver a high-quality user experience

About the role We are looking for experienced Backend developers to join us in this growth phase in which

Who you are: Must-Haves: Proven professional experience in backend software engineering (we are hiring

What you'll Do Own and prioritize the product backlog for a global backend platform. ... Technical Product Owner – Global Backend Platform Barcelona (Sant Joan Despí) | Hybrid (3 days remote ... Contribute to platform modernization and large-scale backend refactoring initiatives. ... Coordinate delivery across multiple teams including Backend, Mobile, API, Sandbox, and DevOps. ... Technical Product Owner to lead the vision, prioritization, and delivery of a highly scalable global backend

Backend/API dependencies and their impact on frontend performance. ... Experience with frontend monitoring frameworks and developer tools. ... Analyze frontend performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer

What you'll be doing Hands-on Backend Engineering Design, build, and operate the backend services that ... Drive performance, scalability, reliability, and security of the backend layer. ... builder of the backend and data layer of the new Sklum app, which we are building from scratch. ... Role Summary Sklum is looking for a Principal Software Engineer – Backend & Data to be the major hands-on ... You will own the full backend + data surface area of the app — transactional services, APIs, streaming

At ASTEK Iberia, we are looking for a Backend Software Engineer to join a leading company in the travel ... Main responsibilities: Design, develop and maintain backend services using Java and related technologies ... : Microservices architecture, Apache Spark, Git, OpenShift, Linux, Jenkins / CI-CD pipelines Strong backend