128 backend developer English-speaking jobs in Madrid

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 Senior PHP Developer with strong backend development experience using Laravel. ... You have extensive experience developing backend systems of varying complexity.

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

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

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

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

Developing backend services with Python. ... Strong professional experience with Python backend development . ... Are you passionate about Python Backend Development, Azure and Platform Engineering ? ... At Capitole, we are looking for a Backend Platform Engineer (M/F) to join an international project in ... +5 years of professional experience in software engineering, backend development or platform engineering

Developing backend services with Python. ... Strong professional experience with Python backend development . ... 🚀 Are you passionate about Python Backend Development, Azure and Platform Engineering ? ... At Capitole, we are looking for a Backend Platform Engineer (M/F) to join an international project in ... +5 years of professional experience in software engineering, backend development or platform engineering

- Design and implement backend services (APIs, payment provider integrations, event processing)- Work ... join our product team.What you'll do- Build and maintain fullstack solutions spanning frontend and backend ... , DevOps, and compliance teams (KYC/AML, PSP flows)Our stack- Frontend: React, Next.Js, TypeScript- Backend ... Lambda, EventBridge), DockerWhat we're looking for- 4+ years of commercial experience in fullstack/backend

Reporting to the Backend Engineering Lead, you will have a hands‑on role throughout the full software ... The role combines data engineering, backend development, and cloud infrastructure , with a particular ... We value engineers with strong foundations in data and backend engineering who are also comfortable working

Shopify to Salesforce Integration Developer Europe | Fully Remote | Contract Build and Deliver Shopify ... This is an excellent opportunity for an experienced integration developer who wants to work hands-on ... are partnering with a leading organisation seeking an experienced Shopify to Salesforce Integration Developer ... scalable, secure, reliable, and maintainable What We’re Looking For Proven experience as an Integration Developer

Strong experience developing and supporting production-grade backend applications. ... The successful candidate will play a key role in designing, developing, and supporting scalable backend ... Key responsibilities include: Design and own backend services supporting payments, onboarding, KYC, KYB ... If you are passionate about building highly scalable backend systems, working within a modern cloud-native

Strong experience developing and supporting production-grade backend applications. ... The successful candidate will play a key role in designing, developing, and supporting scalable backend ... Key responsibilities include: Design and own backend services supporting payments, onboarding, KYC, KYB ... If you are passionate about building highly scalable backend systems, working within a modern cloud-native

We are looking for a Senior Platform Engineer — Internal Developer Platform to help build and run that ... experience (Backstage) Exposure to agentic/LLM tooling, MCP, GitHub Spec-Kit, or building AI developer ... To support our scale, we are transforming our Engineering Platform into a state-of-the-art Internal Developer ... as code (policy-as-code, secrets management, identity basics) Product mindset for internal tooling: developer ... Delivery (DORA): deployment frequency, lead time for changes, change-failure rate, time to restore Developer

In this role, you will work as a part of the Ring backend team working closely with a cross-functional ... The Ring backend team is responsible for the heart of what drives the experiences our Neighbors use to ... As an engineer with the Ring backend team, you will get to build low-latency systems with the required

portals or developer ecosystems. ... We are looking for a Full Stack Developer with a strong Frontend focus to join an international team ... working on the evolution of an enterprise developer portal used as a central entry point for development ... Kubernetes as a runtime environment. * Experience with AWS Lambda. * Previous experience integrating developer ... solutions, compliance tools or AI-based services into internal platforms. * Experience working with complex developer

Knowledge of REST APIs and backend service development. ... Maintain backend services, APIs, and integrations. Create and maintain technical documentation. ... company managed virtual machines, while also implementing changes in the application's Spring Boot backend

We are looking for a Senior Python Developer specialized in ETL for an important project. ... Experience: 4+ years of experience as a Python Developer, preferably in ETL environments.

In this role, you will work as part of the Ring backend team working closely with a cross‑functional ... The Ring backend team is responsible for the heart of what drives the experiences our Neighbors use to ... As an engineer with the Ring backend team, you will get to build low‑latency systems with the required

contributor to our mission of revolutionizing employee compensation.You’llown features end-to-end — backend ... contributor to our mission of revolutionizing employee compensation.You’llown features end-to-end — backend ... KeyResponsibilities WhatYou’llDo Own Features End-to-End : Take a feature from domain design through backend