> Markdown version of [/jobs/ext/2939452-big-data-developer](https://www.wearedevelopers.com/jobs/ext/2939452-big-data-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). --- # Big Data Developer - **Company:** Talan SAS - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon S3, Confluence, JIRA, Big Data, Computer Programming, Data Integration, Database Queries, DevOps, Github, PostgreSQL, Enterprise Messaging Systems, Object-Oriented Software Development, OpenShift, Oracle (Applications), Oop Languages, PL-SQL, SQL Databases, Data Processing, Spring-boot, Backend, Git, Data Lakes, Kubernetes, Apache Kafka, Microservices - **Published:** September 16, 2026 - **Apply:** https://www.buscojobs.com.es/big-data-developer-en-madrid-ID-370610834 ## About the Role What We Are Looking For Must: - Senior experience in Object?Oriented Programming (Java - Expert level) - Strong SQL skills with Oracle (PL/SQL) and PostgreSQL - Solid experience with Git and GitHub (Advanced) - Hands?on experience with Kubernetes - Proven background in enterprise?scale backend systems Nice to have: - Experience with Amazon S3 and Elastic - Microservices with Spring Boot on OpenShift - Messaging systems such as Kafka - DevOps culture and tooling - Agile environments (Jira, Confluence) - Business exposure to Transactional Regulatory Reporting ## Description Job DescriptionYou will join a senior technical team working on large-scale, data-intensive platforms in a regulated financial environment.The project focuses on backend development using OOP technologies, strong interaction with Data Lake ecosystems, and complex SQL-based data processing, within a modern microservices and DevOps?oriented architecture.What You Will Do- Design, develop and maintain backend components using Java and OOP principles- Build and optimize SQL queries over large datasets (Oracle / PostgreSQL)- Work with Data Lake environments and data integration flows- Contribute to microservices architectures (Spring Boot)- Collaborate in CI/CD pipelines using Git, GitHub Actions and Kubernetes- Participate in Agile ceremonies and technical decision?making- Interact with functional teams in Transactional Regulatory Reporting contextsQualificationsWhat We Are Looking ForMust:- Senior experience in Object?Oriented Programming (Java - Expert level)- Strong SQL skills with Oracle (PL/SQL) and PostgreSQL- Solid experience with Git and GitHub (Advanced)- Hands?on experience with Kubernetes- Proven background in enterprise?scale backend systemsNice to have:- Experience with Amazon S3 and Elastic- Microservices with Spring Boot on OpenShift- Messaging systems such as Kafka- DevOps culture and tooling- Agile environments (Jira, Confluence)- Business exposure to Transactional Regulatory ReportingAdditional InformationWhat do we offer you?- Remote position based in Malaga.- Possibility to manage work permits.- Permanent, full-time contract.- Smart Office Pack so that you can work comfortably from home.- Training and career development.- Benefits and perks such as private medical insurance, life insurance, Language lessons, etc- Possibility to be part of a multicultural team and work on international projects.If you are passionate about data, development & tech, we want to meet you !#J-*****-Ljbffr