879 backend developer English-speaking jobs in Madrid

Mandatory : 8+ years designing, developing, deploying, and maintaining backend services and distributed ... maintain Spring Boot–based services for ingesting and processing event-driven data Build secure, scalable backend

Mandatory 8+ years designing, developing, deploying, and maintaining backend services and distributed ... maintain Spring Boot–based services for ingesting and processing event-driven data Build secure, scalable backend

You will design distributed systems, build robust backend services (80%) and modern frontends (20%), ... Key Responsibilities Architect, design and maintain scalable distributed systems Build and deploy backend

Qualifications: You have solid experience building backend services (preferably in TypeScript) with ... Key Responsibilities: Design and build highly scalable and secure backend services, ensuring high availability

Main task and responsibilities: Testing backend services, frontend screens and data integrations Functional ... including Pandas data ETL frameworks Unit/integration tests: Frontend – Vitests, MWS for API mocking Backend

Senior Software Developer (Hybrid option) Join a team of cybersecurity professionals and help Swiss  ... As the Software Developer, you’ll own the technical design and implementation of custom components, setup ... We’re looking for a highly experienced software developer with interest in cyber‑defence with a strong

At Parser, we are seeking a motivated and detail-oriented Senior Backend Engineer to join our development

Are you a Senior Backend Engineer who thrives in dynamic environments and enjoys moving across different ... experience with Python and Django in production environments Deep understanding of system design and backend ... considered a candidate for this position, we expect you to have: 6–7+ years of professional experience in backend

Senior Software Engineer to design, implement, and maintain scalable software solutions for a large-scale sports betting platform. Experience with AWS, Erlang, Go, Kafka, and distributed systems required.

Role & Responsibilities As a Senior Python Developer, you will : Develop and maintain scalable back-end ... What We Look For A detail-oriented developer with a focus on code quality, testing, and best practices ... A developer who takes ownership and responsibility for their work and strives for high-quality delivery

We are looking for a Power BI Developer to contribute to our mission of enabling smarter decision-making ... Some of things you will do as a Power BI Developer: Be a principal contributor to the development of ... We expect you to have: 3+ years of experience as a data analyst/BI developer (or equivalent); Professional

Semi Senior Kotlin Developer at BairesDev. ... Overview Semi Senior Kotlin Developer - Remote Work | REF#285391 at BairesDev At BairesDev, we've ... In the Semi Senior Kotlin Developer role, utilize your growing expertise in Kotlin to develop more complex

Software Development Engineer, your mission is to ensure the robustness, scalability, and performance of backend

Experience in backend development using Node.js with TypeScript. ... of high-impact projects, driving technical direction, architecture, and execution across frontend, backend

Experience in backend development using Node.js with TypeScript. ... of high-impact projects, driving technical direction, architecture, and execution across frontend, backend

Experience integrating frontend applications with REST APIs and backend services. ... You will optimise UI architecture and performance while integrating frontend applications with backend ... You will collaborate with product, UX, backend and validation teams to deliver secure and compliant solutions

system design across APIs, event‑driven architecture, and shared services Build scalable, reusable backend ... across several of the following areas : Building and shipping full stack applications in production Backend ... messaging systems Distributed systems and microservices Identity and authentication flows Mobile‑first backend

What We’re Looking For Extensive experience in backend development Strong English communication skills ... Stakeholders: Close collaboration with stakeholders to translate business needs into scalable and effective backend ... Debugging: Troubleshoot and debug complex issues to ensure optimal performance and timely resolution (backend-focused

ACCOUNTABILITIE S Working in distributed international cross functional team a developer will help ... applications used to generate patient anatomy from supplied scan s.Being a part of agile team we expect a developer

We invest heavily in developer productivity. ... Staff Backend Engineer – Adaptive Telemetry This role is available for candidates located in the UK, ... embrace AI and agentic development so we expect you to be curious and comfortable using AI‑powered developer