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Backend Developer (C.NET)
Backend Developer in SKIDATA's Madrid team building custom C#/.NET integrations that connect third-party systems with SKIDATA's access-solution products, using REST, SOAP, gRPC, RMQ and sockets. Owns projects from design through delivery, supports partners and regional colleagues; hybrid work, English and Spanish required.
PHP Backend Developer
PHP Backend Developer at Tappx, an AdTech firm, designing and maintaining scalable SSP (supply-side platform) systems and internal PHP tools through their full lifecycle, from design to deployment and monitoring. Core stack is PHP and MySQL, with Redis/Aerospike, CI/CD, and AI tooling to boost productivity.
Backend Developer - International Project
Though titled 'Backend Developer', the description is for a fully remote Project Manager driving international market-expansion projects for a fast-growing e-commerce client: market research, budgets, cross-functional coordination, and launches (initially the Canary Islands), using PM tools like Asana and Jira.
Desarrollador FullStack - Backend - Microservicios
Backend-focused full stack developer building and maintaining Java Spring Boot and Spring Batch microservices deployed on Kubernetes, backed by Oracle or other relational databases. Day to day includes unit testing, deploying and configuring services in Kubernetes, CI/CD pipeline work and code reviews in an Agile Madrid-based team.
Desarrollador Backend Java - Microservicios Sector Público
Senior backend developer designing, building and optimizing scalable RESTful APIs and web services with Python and Django (relational/non-relational DBs, cloud), working fully remotely from Madrid. Note: the title references Java microservices for the public sector, while the description's stack and requirements are Python/Django.
Senior backend dev
Hasten Group is hiring a mid-senior, full-time developer in Madrid (on-site). The title says senior backend, but the body describes building web applications and integrating APIs; the required skills (Spark, Scala, PySpark, Hadoop, Hive, Impala, AWS) point toward big-data engineering.
Desarrollador/A Backend Senior
Senior backend developer at Grupo SaveFamily, a maker of family-safety smartwatches, designing and maintaining Node.js APIs and services on PostgreSQL, integrating RabbitMQ messaging, writing unit/integration tests, and collaborating in agile teams, with AWS/Docker/Jenkins CI-CD as a plus.
Full Stack Developer For Web Applications
Full Stack Developer at Trentia Consulting in Barcelona, working on a stable web application project: developing APIs and services with .NET Core, building React frontends, and designing/optimizing SQL Server databases in an agile, hybrid team.
Analista Funcional Moodle - PHP / LMS / Web Development - Remoto (España)
Functional analyst supporting and evolving Moodle LMS platforms for an education-sector project: gathering requirements, developing Moodle modules/blocks/themes plus PHP backend, WebServices integrations, PostgreSQL/MySQL data work, and frontend with HTML/CSS/Bootstrap/JS/jQuery/Mustache. Based in Jaén, Spain, with 100% remote work available.
Senior Frontend Developer
Senior frontend developer at Otto Group's tech/consulting arm in Valencia, joining a time-limited initiative to migrate Otto's online shop to SCAYLE's new e-commerce platform architecture — adapting the GraphQL API layer and the Next.js shop. Core stack: React, Next.js, TypeScript, GraphQL.
HYBRID - FRONTEND DEVELOPER
Hybrid frontend developer (4+ years of experience) at Capitole Consulting in Spain, building and maintaining React/TypeScript applications with reusable UI components, REST/GraphQL API integration, testing (Jest, Cypress), performance optimization, and Agile/CI-CD workflows.
Angular Frontend Developer
Senior front-end developer building scalable, maintainable web solutions on a tech project for clients of Babel, a Spanish multinational IT consultancy, based in Madrid. Core stack: Angular 16+ (Standalone Components, Signals, NgRx, RxJS), TypeScript, REST API integration and automated testing.
Marketing Intern (Content & Digital) - Madrid
Eatable Adventures is an innovation consultancy and accelerator focused on food and agriculture. We help large food companies work with startups and new technologies, we run acceleration programmes and innovation hubs…
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