> Markdown version of [/jobs/ext/1980511-backend-developer](https://www.wearedevelopers.com/jobs/ext/1980511-backend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer - **Company:** Iris Grupo Tecnológico - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Microsoft Azure, Big Data, C Sharp (Programming Language), Continuous Integration, DevOps, Distributed Systems, Python (Programming Language), MongoDB, Performance Tuning, Service-Oriented Architecture, SQL Databases, Systems Integration, Web Services, Delivery Pipeline, Apache Spark, Backend, Git, Deployment Automation, Non-relational Database, Data Management, Front End Software Development, Restful APIs, Docker, Databricks, Microservices - **Published:** August 8, 2026 - **Apply:** https://www.jobleads.com/es/job/ea81efb0c72b8b25e17dc9aa5427465c8 ## About the Role * 5+ Years of solid backend development experience; * Proficiency in Python, .NET (C#), Java, or similar technologies; * Experience designing and implementing REST APIs; * Knowledge of relational and non-relational databases, including SQL and MongoDB; * Familiarity with containers and orchestration using Docker and Kubernetes; * Experience with CI/CD environments and version control using Git; * Knowledge of microservices or SOA architectures; * Proactivity, autonomy, and a results-oriented approach; * Interest in product environments that are constantly evolving, * Microsoft Azure experience, including Data Factory, Databricks, and Functions; * large-scale data processing experience with Spark or similar technologies; * Scala experience; * experience with projects involving multiple integrations or data platforms. ## Description * Develop and maintain the platform backend and its applications; * Implement APIs and services for integration with other components and external data sources; * Develop connectors that integrate different technologies and information sources with the platform; * Build and maintain data ingestion, transformation, and delivery pipelines; * Ensure security, scalability, and performance optimization in distributed environments; * Collaborate with frontend, product, and QA teams to ensure quality deliveries; * Automate deployments and maintenance following CI/CD and DevOps best practices; * Participate in designing and developing new functionalities. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Empowering Thousands of Developers: Our Journey to an Internal Developer Platform](https://www.wearedevelopers.com/videos/1519-empowering-thousands-of-developers-our-journey-to-an-internal-developer-platform) ## Related Articles - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)