128 backend developer English-speaking jobs in Madrid

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. * Experience ... flows. * Identify gaps or limitations in core backend services and propose technical solutions aligned ... Collaboration & Delivery * Work closely with Product Managers to design and deliver backend solutions ... * Contribute to core payment backend applications with a strong focus on security-sensitive transaction

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

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

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

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

About the projectWe're looking for a Backend Developer Python to build and evolve the internal platform ... scale at the pace demanded by a fast-growing AI team.What you'll doDesign, build, and maintain Python backend

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

Management of the front-end (desktop/mobile) and backend for frontend design, implementation, testing ... scientists and analysts to improve software Minimum Requirements: Proven experience as a Full Stack Developer

Develop and deliver user-facing features — loading data from the backend, caching it, displaying it in ... and user-facing features Collaborate closely with designers, product managers, and other mobile and backend ... Build and operate AI pipelines and developer tooling that accelerate feature development across the org ... , AI pipelines, and Design System that every other team builds on top of, shaping the architecture, developer ... other mobile teams to ship faster and more reliably Work in Swift across foundational platform code, developer

through telemetry to identify DX improvement opportunities.* Develop and operate automation, tooling, and backend ... Platform (IDP) and are hiring multiple Platform Engineers with complementary strengths (CI/CD, Developer ... **Key Responsibilities*** Build and evolve a highly usable, AI-native Internal Developer Platform (IDP ... well you match with this jobJob ID781984**About this opportunity**We’re building an AI-native Internal Developer ... ) that delivers an exceptional Developer Experience (DX), reduces cognitive load for product teams, and

focus on automation, reliability, and developer enablement. ... This role sits at the intersection of SRE, Platform Engineering and Backend Engineering , with a strong ... platform used by multiple teams and services High ownership and impact on platform reliability and developer

Trainee Frontend Developer role supporting the Digital & Tech department. Learn web campaign development using HTML, CSS, and JS. Requires Computer Science/Engineering students with high English proficiency.

automation and orchestration solutions in cloud and hybrid environments, with a strong emphasis on backend

You will develop professional web and backend applications, with agile software development, ensuring ... You are an expert developer with extensive experience in complex online stores. ... largest German e-commerce companies and are looking for reinforcement in Spanien Frontend Software Developer

A Java FullStack Developer, to join a stable international project, based in Madrid, carrying out design ... Tools FRONTEND • Angular, TypeScript/JavaScript • NodeJS • jQuery BACKEND • Java 17 • Spring framework

Build and expand modern, maintainable Angular frontends connected to backend services. ... About the Job Are you a senior full-stack developer who combines deep Java/Spring expertise with solid

We are currently looking for a qualified Android developer Sant Cugat del Valles (Barcelona)Join an international ... testing.Troubleshoot, debug and resolve complex technical issues.Collaborate with Product Owners, UX/UI designers and backend

Background in a platform, infrastructure, or developer experience team. ... What You'll Do Build the Foundation: Design and develop the shared backend services and APIs that our ... About The Role We are looking for a fullstack engineer with a strong backend center of gravity who enjoys ... Genuine fullstack capability: comfortable working in a modern React/TypeScript codebase, even if backend ... equivalent practical experience. 5+ years of experience in a software engineering role, with a clear backend

Experience designing and implementing complex algorithms or handling performance-critical backend architectures ... Experience with developer tooling, static analysis, application security, or LLM-based applications would ... technical direction of Qodana Core, continuously raising the bar for static analysis performance and developer