114 backend developer English-speaking jobs in Community of Madrid
AI Full Stack Developer
- BMI Companies
- Madrid
- April 23
About the Role We are seeking an AI Full Stack Developer to join our technology team and contribute to ... Responsibilities Design, develop, and maintain end‐to‐end web applications Develop and consume scalable backend ... JavaScript / TypeScript Experience with modern frontend frameworks (e.g., React, Angular, or similar) Backend ... and reliability standards Required Qualifications Proven minimum 5 years' experience as a Full Stack Developer
.NET Backend Developer
- Hitachi Energy
- Madrid
- April 18
Hitachi, Ltd. is seeking a talented .NET Backend Developer to design, develop, and maintain robust and ... Minimum 5 years of proven experience as a Backend Developer with strong proficiency in C# and the .NET ... scalable backend systems and APIs, contributing to critical enterprise applications. ... How You’ll Make An Impact
Design, develop, and implement high-performance, scalable, and secure backend
Senior Backend Developer
- NTT DATA Europe & Latam
- Madrid
- April 22
Familiarity with AI-assisted coding environments and developer productivity tools.
Senior Java Developer
- Coforge
- Madrid
- April 7
Role: Senior Java Developer Skills: Java Backend, AWS Cloud and Docker, Kubernetes Location: Madrid Spain ... Participate in the design, development and maintenance of backend applications in Java. ... (Hybrid) Type: Contract/Permanent We are at Coforge hiring for Senior Java Developer with REST APIs,
Senior Software Engineer
- Pentasia
- Madrid
- April 3
gateways) My client in the iGaming industry (online Casino and Sportbooks) is looking for a Senior Java developer ... We're hiring: Senior Java Developers iGaming / Sportsbook / Online Casino | Senior Java Backend | Kafka ... Role Overview We are seeking a Senior backend engineer to build and scale core platform services in a ... . 1+ year of experience with Redis (cashing system) Key Responsibilities Develop and maintain core backend
Senior Backend Developer
- TripleTen Indonesia
- Madrid
- April 1
Senior Backend Developer will design and maintain high-performance server-side applications with a focus on multitenancy and IAM. Collaborate with Product Managers on the product lifecycle. Implement DDD and Clean Architecture principles.
AI-Oriented Full Stack Developer (Madrid, Spain)
- Flovi
- Madrid
- April 4
This Role Is Different
We are hiring a country-dedicated AI-oriented Full Stack Developer for Spain. ... Contribute hands-on to backend development when necessary
Autonomy drives speed. ... services
Cloud environment standards
You will build on top of existing backend capabilities and ... If Backend Changes Are Needed, You Will
Collaborate closely with HQ developers
Align required changes ... What Is Shared And Mandatory
Company brand and design system
Company-defined UX principles
Company backend
Backend developer Java, Spring Boot - Hybrid Madrid
- UST España & Latam
- Madrid
- April 8
We are looking for a Java Banckend developer, for working on challenging projects in a dynamic, cross‐functional ... Mandatory requirements: +5 years Strong experience in Java backend development and software design. ... Key Responsibilities: Design and build complex backend systems using Java, Spring Boot and RESTful services
Senior Full Stack Developer (Node.js Focus) – Open-Source AI Platform
- YOPESO Vertriebsgesellschaft mbH
- Madrid
- April 23
We are looking for an experienced Senior Full Stack Developer to join our core team as a B2B partner. ... While this is a full‑stack role, your primary focus (~80%) will be driving the Backend architecture ( ... Core Technical Stack (Required)
Backend (Primary Focus):
Node.js (v18+) with Express.js framework. ... What You Will Do
Take ownership of the backend components, building a sophisticated AI chat platform
Programador Full Stack
- HN Services España
- Madrid
- March 28
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
Software Backend Engineer
- ING España & Portugal
- Madrid
- April 21
for a talented and enthusiastic Software Engineer Backend to join us. ... Backend & Devops awareness (understand the global architecture / infrastructure). ... At ING we are looking for a Software Backend Engineer Your role and work environment: We are looking ... Your key responsibilities: As an experienced Software Engineer Backend, your aim will be: To design, ... As an expert in the Backend area, you specifically add value on that technical layer but always keep
Senior Backend & Platform Architect
- Aircall
- Madrid
- April 3
Developer Experience: Optimize CI/CD workflows and automated rollback strategies to ensure the team can ... The Role:
We are looking for a Senior Backend & Platform Engineer to join us as our Founding Platform ... What We’re Looking For:
5+ years of strong Backend Engineering experience, with a proven transition ... Backend Engineering: Design and implement production‑grade Python services using Clean Architecture and ... is split: 50% Infrastructure/Platform (building the foundation, automation, and reliability) and 50% Backend
Rust - Software Engineer (FTE)
- Wasmer
- Madrid
- April 13
Work on open-source and commercial products that support developer and enterprise customer requirements ... Write tests and implement automated testing for backend services to deliver a high-quality user experience
ServiceNow Solution Designer / Developer
- HCLTech
- Madrid
- April 22
We are looking for a ServiceNow Solution Designer / Developer! ... Includes, Client Scripts, and effective use of asynchronous vs. synchronous patterns, strong command of backend ... ServiceNow Solution Designer / Developer is responsible for reviewing new requests and enhancements,
Programador/a Java
- Astek
- Madrid
- April 22
At ASTEK Iberia, we are looking for a Backend Software Engineer to join a leading company in the travel ... Main responsibilities: Design, develop and maintain backend services using Java and related technologies ... : Microservices architecture, Apache Spark, Git, OpenShift, Linux, Jenkins / CI-CD pipelines Strong backend
Salesforce Marketing Cloud Developer
- Mars
- Madrid
- April 8
Optimize backend code for performance, scalability, and maintainability. ... Integrate backend systems with third-party APIs, services, and databases. ... Good understanding of backend frameworks and libraries (e.g., Django, Express.js). ... Stay current on backend development trends, best practices, and emerging technologies. ... Design, develop, and maintain backend systems and services for our multi-brand global platforms.
Senior Frontend Developer
- Uptime Institute
- Madrid
- April 26
You should be comfortable reading backend code, writing simple endpoints, or debugging API issues. ● ... Soft Skills ● Versatility: A "can-do" attitude toward infrastructure or backend tasks when the team needs ... will be building high-performance user interfaces for our security products, you will also assist with backend ... Front-end infrastructure is built and deployed, bridging the gap between design and our Python/GCP backend ... flows, wireframes, prototypes) and familiarity with tools such as Figma or similar is highly valued. ● Backend
Senior Front-End Developer (React) – FinTech
- Oliver Bernard
- Madrid
- April 23
Senior Front-End Developer (React) – FinTech | Madrid (On-Site, 5 Days/Week) - €80-€130k I am working ... Senior Front-End Developer (React) – FinTech | Madrid (On-Site, 5 Days/Week) - €80-€130k ... About the Role As a Senior Front-End Developer, you will play a key role in designing, building, and ... with an innovative and fast-growing FinTech company seeking a Senior Front-End Developer with deep expertise ... Participate in architectural decisions and technical strategy Requirements Proven experience as a Front-End Developer
Senior Backend Engineer (Python or OOP)
- E-Frontiers
- Madrid
- April 22
We are currently working with a fast-growing international fintech, seeking a Senior Backend Engineer ... What you'll do: Develop and maintain scalable, reliable backend systems that power key financial operations ... culture Hybrid model: 4 days in the office, 1 remote Your profile: Strong experience building complex backend
Senior Backend Engineer (Node.js/TypeScript) – Sustainable Tech Unicorn
- Actual Talent Spain
- Madrid
- April 29
Experience: 6+ years in Backend development with a deep focus on Node.js and TypeScript. ... Key Responsibilities: Architecture & Design: Own the backend architecture of JavaScript-based solutions ... The Mission: Engineering at Core As a Senior Backend Engineer, you will own the "engine" of their platform ... Frontend Knowledge: (Optional) While this is a Backend-focused role, having a basic understanding of









