133 backend developer English-speaking jobs in Community of Madrid
Senior Full Stack Developer
- FERO
- Madrid
- March 27
Senior Full Stack Developer (React + PHP) Madrid (hybrid) Full-time About FERO FERO is reinventing checkout ... salary + equity Fast-growing, ambitious team About the role We're looking for a Senior Full Stack Developer ... and experimentation to improve conversion Core requirements 5+ years of experience as a Full Stack Developer ... using React, JavaScript, HTML, and CSS Integrate with backend systems (PHP) and APIs (REST, GraphQL) ... ;ll work across the full stack — building high-performance React interfaces and contributing to PHP backend
.NET Backend Developer – Travel Industry
- Astek
- Madrid
- March 19
At ASTEK Iberia, we are looking for an experienced .NET Backend Developer to join a major travel technology ... Main responsibilities: Design, develop and maintain backend services using .NET Work with complex, high-volume
Senior Software Developer
- Verisure
- Pozuelo de Alarcón
- April 1
Senior Software Developer
We are looking for people who can make a tangible positive impact in delivering ... Development of IoT backend solutions. ... We now have the opportunity for a Software Developer and Functional Analyst to join the Technology HUB ... Ensure the execution of best practices in the IoT Backend Solution’s development. ... applications, and who can become an application owner leading IoT backend application development.
Software Engineer - Developer Experience / Agent Experience (Node.js)
- Sinch
- Madrid
- March 31
Be a pure feature-delivery backend developer: success here is measured by usability, consistency, and ... This is not a traditional backend product role. ... Solid experience designing and building backend services and APIs. ... LangChain, ADK) or AI-enabled developer tools. ... Comfort working in a role where developer experience and usability are key success metrics.
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 | ... 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 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 Backend Developer
- Exalate
- Madrid
- April 3
Feature Developer: Contribute to new features, bug fixes, and optimizations.
Grow with Us – Senior .NET Developers for Danish Tech Hub in Madrid
- Mjølner Informatics
- Madrid
- April 3
A strong support network from our developer’s team and backend guild. ... A people-first culture and a role where you’ll grow as a developer and make a real impact. ... As a .NET Developer at Mjølner Informatics in Madrid, you typically enter into a number of projects for ... Frontend, Backend and Architecture, IT Security) to grow your knowledge or strengthen your current technology ... Preferably you have a University degree or equivalent and a minimum of 5 years’ experience as a .NET developer
Java Backend Developer - Financial
- T-mapp Jobs
- Madrid
- March 30
Recognized financial company is seeking an ION Trading Developer. ... Design, develop, and maintain backend Java solutions for trading systems and financial platforms based ... More than 4 years of proven experience in designing and developing complex backend software in Java.
Data Scientist Quantitative Python - Fintech
- Client Server
- Madrid
- April 3
You'll be mainly using backend Python and SQL. ... Data Scientist / Quantitative Developer (Python Maths) Madrid onsite to €150,000
Are you a mathematically ... finish for drinks on Fridays
Apply now
to find out more about this Data Scientist / Quantitative Developer ... preferred, MSc or PhD advantageous
You have commercial experience in a Data Scientist or Quantitative Developer
Senior Backend Engineer (Python)
- Somnio Software
- Madrid
- April 4
microservices, ensuring that every line of code prioritizes security, scalability, and an exceptional developer ... As a Senior specialist, you will view backend development as a craft. ... We are looking for a highly specialized Senior Backend Engineer to join our team as a technical cornerstone ... Must Have
7+ years of professional experience in backend development, with at least 5 years dedicated
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
Front-End Developer
- United Fintech
- Madrid
- April 1
Role Overview
As a Front-End Developer based in Madrid, you will play a key role in designing and building ... Experience collaborating with backend and product teams. ... Integrate front-end features with backend services within the .NET ecosystem. ... You will work within our .NET environment and collaborate closely with backend developers and international ... Collaboration & Architecture
Work closely with backend engineers to implement seamless API integrations
Full-Stack JavaScript Engineer
- Yopeso
- Madrid
- April 4
We are seeking an experienced Full Stack Developer to join our team working on an open-source AI chat ... Key Responsibilities
Develop and maintain both frontend and backend components of the AI chat platform ... state management
React Router for client-side routing
State management with modern React patterns
Backend ... provider integrations and chat functionalities
Work with modern React-based frontend and Node.js/Express backend
Senior backend developer - Tech Lead
- JobFlurry
- Madrid
- April 12
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 • React is a plus BACKEND Java 17 •
Software Backend Engineer
- ING España & Portugal
- Madrid
- March 23
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
Rust - Software Engineer (FTE)
- Wasmer
- Madrid
- March 14
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
Software Developer
- Verra Mobility
- Madrid
- March 31
We are growing quickly in Europe, and we are currently hiring a SW Developer to work with a multi-disciplinary ... English: C1 Bachelors in Computer Science, or related discipline. 5+ years of experience in PHP Symfony backend
Solutions Architect
- Matchtech
- Madrid
- April 2
Backend Solutions Architect | Hybrid (Madrid) We're looking for a Backend Solutions Architect to









