54 backend developer English-speaking jobs in Madrid

A team of more than 190,000 professionals, as diverse as the more than 50 countries in which we operate and the different sectors in which we operate: telecommunications, financial institutions, industry, utilities, energy, public administration, and healthcare. Our mission?

Collaborate closely with platform, backend, and domain teams to deliver high-quality developer tooling ... Key Responsibilities Design, build, and maintain API developer portals using Apigee Developer Portal, ... Hands-on exposure to API platforms and developer portals (Apigee preferred). ... a Global BaaS & API Platforms initiative focused on building best-in-class developer experiences. ... We are currently looking for a Senior Business Analyst / Developer Experience–oriented profile to join

We're hiring a Full-Stack Software Developer to help build and scale a modern, cloud-native SaaS ... What You'll Do Design, build, and maintain scalable frontend and backend features Develop modern ... opportunity to work on large-scale, event-driven systems while contributing across both frontend and backend ... strong engineering culture Tech Stack Highlights Frontend: React, TypeScript, modern UI frameworks Backend ... Software Engineering, or equivalent Strong experience with React and modern JavaScript frameworks Solid backend

From HCL we are looking for a Software developer! ... Core Skills: • Backend development expertise (J2EE, Java). • Strong programming skills in Java, Python

7+ years of experience as a Frontend Developer. ... Collaborate with designers and backend developers to deliver an intuitive and high-performing user experience ... Take your career to the next level with Amaris Consulting as a Senior Frontend Developer. ... Strong communication skills and ability to work fully autonomously – you will be the sole frontend developer

Athena Systems (Unitedfintech/Athena) is seeking a Front-End Developer to join our team in Madrid. ... components and application logic using HTML, CSS, JavaScript, and TypeScript. · Work closely with our backend

About the role The (Senior) Backend engineer is a key new appointment to Project PRISM who will work ... (Senior) Backend engineer will be a can do, high achieving individual who will bring their product and

/) as the first Backend Engineer in a company built around artificial intelligence. ... Strong Python skills and experience building backend services (FastAPI preferred). ... Backend Engineer (Python) – AI Health Tech Startup, Madrid/Amsterdam You will join Entera (https://en-tera.com ... The work combines backend development, data design, and lightweight cloud deployment in a small team ... You will design, build, and maintain the backend services and APIs that connect our AI models, laboratories

As a Senior Full-Stack Developer, you'll play a key role in shaping the future of Business Partner ... Skills, Knowledge and Expertise Strong experience in full-stack development with a focus on Backend (

degree in Software Engineering, Computer Science or similar Experience in application development with backend ... development, operation, support and maintenance of various IT services Mandatory requirements: Fullstack developer

What You'll Do Design and scale backend services using TypeScript/Node.js, AWS, and Postgres. ... These systems combine backend services, intelligent automation, and data-driven decision layers to support ... You'll work on systems that integrate AI capabilities, backend services, and modern web applications ... Collaborate closely with product and design teams to deliver end-to-end features (backend and frontend

Role Overview We're seeking a passionate and experienced SW Engineer to join the Revenue Optimization ML team. This high-impact role combines infrastructure expertise with applied MLOps knowledge, requiring proficiency in software engineering, distributed systems, and machine learning operations.

Key Technical Responsibilities : ● Backend Development: Develop and maintain APIs and backend microservices ... ● Observability: Implement observability and monitoring practices (logs, metrics, alerts) for backend ... We are looking for a Software Engineer specialized in Backend development with Python, focused on building ... Must-Have Technical Requirements ● Python Expertise: Solid experience in Backend development with Python

Software Engineer / Developer Madrid onsite to €120,000 Are you a technologist Software Engineer with ... influence You have fluent English language skills What's in it for you: As a Software Engineer / Developer ... events and early finish for drinks on Fridays Apply now to find out more about this Software Engineer / Developer

Proven experience as a Dynamics 365 CE Developer with focus on Sales, Customer Service, and Marketing ... Job Summary: We are seeking a skilled Dynamics 365 Developer to design, customize, and implement solutions ... communication skills Preferred Qualifications Microsoft certifications such as PL-400 (Power Platform Developer

Senior Software Engineer / Developer (Embedded C++) Madrid to €55,000 Are you an experienced Software ... part of a small, collaborative team Apply now to find out more about this Senior Software Engineer / Developer

We're looking for a skilled Senior Full-Stack Developer to help build and improve a modern cloud

We're looking for a personable, outstanding Senior Drupal Developer to work in a small, talented ... What you must have: At least 4 years' experience as a Drupal 8/9 Developer Expert knowledge of writing

We are looking for a Java Developer with a background in BPM who will contribute to a project with one ... You bring extensive experience as a Java developer and know-how on the software development process. ... version control (e.g. git) Experience with Oracle DB and SQL Job Responsibilities / Role As a Rule Java developer

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