1028 backend developer English-speaking jobs in Spain

About the Job Are you a passionate Java Developer looking for an exciting opportunity to work with cutting-edge

Required Skills And Qualifications 3+ years of professional experience as a backend developer, with strong ... Advanced understanding of backend data validation, error handling, and API security. ... Drive data validation, error handling, and security best practices within backend services. ... Experience designing or evaluating experimental tooling and developer workflows. ... Job Description Job Title: Python Developer Job Type: Contract Location: Remote Job Summary In this role

Senior Java Backend Developer – Cloud-Native Microservices por favor, lea atentamente la información ... We are looking for a Senior Java Backend Developer to lead the design, development, and maintenance of ... This role focuses on backend development with Spring Boot 4, cryptographic operations, automation, and ... Design, develop, and optimize robust Java backend applications using: Spring Boot 4 (including Spring ... Key Responsibilities Lead the end-to-end development and implementation of TSM backend services and microservices

We are looking for a Senior PHP Developer with strong backend development experience using Laravel . ... Who We’re Looking For You have extensive experience developing backend systems of varying complexity.

The Senior Backend Developer is responsible for designing, building and evolving the backend services ... /Java/Kotlin backend roles, owning production services and developing secure backend features. ... Maintain and continuously improve test coverage and backend quality standards. ... Ensure backend services meet reliability, performance, and data integrity requirements. ... Experience working with REST-based backend architectures and service-oriented systems.

About the Team: Our Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our customers, readers and users.

We are looking for an expert to work as Full Stack Developer (.NET + Angular)! ... Build secure backend APIs using ASP.NET Core. Design SQL databases and optimize performance. ... Required Skills Frontend Angular TypeScript HTML5/CSS3 Redux/Context API Backend C# ASP.NET Core Entity

Experience with Node.js for backend development. ... Role: Full-Stack Developer (Remote) Location: Remote (Work from Anywhere) Role Overview: We are hiring ... for one of our clients, seeking a JavaScript / TypeScript Full-Stack Developer to work on a full-time

We are looking for a passionate and motivated Graduate Full Stack Developer to join our technology team ... Support backend development, API integration, and database management activities. ... Key Responsibilities Develop and maintain web applications across both frontend and backend components ... eager to build a career in software development and gain hands-on experience across both frontend and backend ... knowledge of: JavaScript / TypeScript HTML5 and CSS3 Frontend frameworks (React, Angular, or Vue.js) Backend

We're looking for a Senior Python Developer to join our team in Madrid or Barcelona, Spain in a hybrid ... Requirements Degree in Computer Science, Software Engineering or related field Proven experience as a Python Developer ... Join a cutting-edge AI platform initiative where your backend engineering expertise will power secure ... In this role, you will design and implement secure, high-performing backend services that enable generative ... building backend services with FastAPI Hands-on experience developing GraphQL APIs with tools such as

diversity are at the heart of what we build, and we are still growing.The role:We are looking for a Java Developer ... You will own backend architecture decisions and work closely with product and data to ship reliable, ... do:Work on challenging developments involving high concurrency and affecting millions of users.Own backend ... Backend is your centre of gravity, but you go wider when it helps the team, and you collaborate naturally ... development, and a focus on quality and performance.Be involved in technical decisions, and step outside backend

What We're Looking For 5+ years of software engineering experience, ideally in backend or full-stack ... Experience building internal developer tools. Why Join? ... You'll work on practical, production-focused solutions that improve developer productivity, engineering ... Work with modern technologies including LLMs, MCP, RAG, vector databases, and AI-powered developer tooling

About The Role We now have the opportunity for a Senior Backend Software Developer to join our Technology ... Tech Stack Java | RESTful APIs | SOA | OOP | Clean Code | Backend architecture patterns | SQL Server

Champion AI-native development workflows, integrating AI coding agents to improve developer velocity, ... You will play a pivotal role in shaping our core backend architecture, guiding the team in adopting AI-native

About the project We're looking for a Backend Developer Python to build and evolve the internal platform ... What you'll do Design, build, and maintain Python backend services within an event-driven architecture ... alongside the platform's AI team, understanding their consumption needs and integrating their work into the backend

418046136 Position activities: GTD Science, Infrastructures & Robotics is now looking for a Business Developer

We are looking for a strong backend developer with around 5+ years of experience who wants more ownership ... The role This is a backend role with real impact. ... What you will work on Building and owning backend features for retail customers Contributing to architecture ... deliver high-impact solutions What we are looking for 5+ years of software development experience Strong backend

You'll be mainly using backend Python and SQL. ... Data Scientist / Quantitative Developer (Python Maths) Madrid onsite to €150,000 Are you a mathematically ... preferred, MSc or PhD advantageous You have commercial experience in a Data Scientist or Quantitative Developer ... early finish for drinks on Fridays Apply now to find out more about this Data Scientist / Quantitative Developer

THE ROLE As a Senior Backend Developer at Macadam, you will be at the core of our engineering team, designing ... Monitor, debug, and continuously improve backend performance and reliability. ... OUR TECHNICAL TOOLBOX Backend: NodeJS with TypeScript, NestJS framework, Prisma ORM . ... WHAT YOULL DO Design, build, and maintain robust RESTful APIs and backend services using NestJS . ... Leverage AI tools to optimize your workflows WHAT YOULL BRING 6+ years of experience in backend development

If you’re a versatile developer who thrives in a dynamic, creative environment, we’d love to meet you ... Develop and maintain robust backend systems and APIs using PHP, TypeScript, and Python. ... Madrid, the Full Stack Engineer will take ownership of exciting projects that touch both frontend and backend ... Responsibilities: Lead the design, development, and deployment of full stack projects that integrate frontend and backend