> Markdown version of [/jobs/ext/1494450-back-end-developer](https://www.wearedevelopers.com/jobs/ext/1494450-back-end-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). --- # Back-End Developer - **Company:** Kureos (conficio Recruitment Limited) - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Airflow, Microsoft Azure, C Sharp (Programming Language), Continuous Integration, Data Infrastructure, Data Integration, Relational Databases, DevOps, PostgreSQL, Workflow Management Systems, Data Ingestion, Backend, Kubernetes, Infrastructure Automation Frameworks, Software Coding - **Published:** July 30, 2026 - **Apply:** https://www.jobleads.com/es/job/eea6ac98485ea3afb359ab1973ece14ba ## About the Role * 7+ years\' back-end development experience * Strong coding skills in Python, C#, Java or similar * Azure cloud experience with Kubernetes, CI/CD and DevOps practices * PostgreSQL or other relational database expertise * Experience with Apache Airflow, Prefect or similar workflow tools * Strong problem-solving and stakeholder communication skills * Fluent English (Spanish advantageous) * Energy or trading sector experience is beneficial but not essential If you're passionate about building scalable platforms that make a real impact in renewable energy, we'd love to hear from you. ## Description You'll join a collaborative team of seven engineers where your ideas matter. Working closely with data, infrastructure and business teams, you'll help shape a modern data platform used across the organisation., * Build and enhance scalable back-end services and APIs * Develop robust data integration and ingestion pipelines * Design high-performance data models and storage solutions * Improve data quality, governance and lineage tooling * Translate business requirements into resilient technical solutions * Collaborate on Azure cloud infrastructure and platform automation * Drive reliable, high-availability systems supporting energy trading ## Related Videos - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [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) - [Flex your Energy: Building a Cloud-Native Platform for Renewable Energy Communities](https://www.wearedevelopers.com/videos/1990-flex-your-energy-building-a-cloud-native-platform-for-renewable-energy-communities) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)