backend developer English-speaking jobs in Extremadura

Data Engineer needed to design, build, and maintain large-scale data systems. Requires experience with data warehousing, ETL tools (DBT mandatory), cloud environments (AWS or Azure), Apache Airflow, and Python development. Must have strong SQL skills and experience with BI tools.

Internal Audit Manager will lead and deliver operational and financial audits across global operations. Responsibilities include planning and executing audits, communicating with stakeholders, and identifying control weaknesses. Requires 7-10 years of audit experience, including at least 2 years as a manager, and strong knowledge of internal controls and risk management.

Theoretical Physicist specializing in Atomic, Molecular, and Optical (AMO) physics needed to develop models, perform simulations, and provide analytical insight for quantum and optical systems.

JavaScript Engineer will design, develop, and maintain applications using JavaScript. Collaborate with teams to deliver scalable solutions and write efficient, maintainable code. Experience with SQL, Atlassian Jira, and agile environments is required.

Embedded Software Architect to drive architectural decisions and implementation strategy for embedded software stack in a clinical-stage medical device company.

Senior DevOps Engineer to design, operate, and evolve CI/CD platforms and cloud-native infrastructure solutions for Santander CIB's digital platforms. Responsibilities include developing and maintaining CI/CD pipelines, deploying and managing AWS infrastructure, operating container environments, and collaborating with development, SRE, and security teams.

QA Technician to ensure R&D activities comply with internal SOPs, GMP, and EMEA/FDA legislation. Responsibilities include reviewing and approving documents, performing audits, and collaborating with QA-R&D on client audits and Health Authority inspections. Requires a degree in Health Sciences, fluency in Spanish and English, and 2+ years of Quality Assurance experience.

Lead a top-tier Incident Response team, providing technical leadership and operational oversight for the SOC's security stack (SIEM, EDR, DLP, NIDS). Coordinate daily operations, mentor analysts, and ensure effective incident management. 10+ years of SOC or cybersecurity experience with leadership responsibilities required. Deep expertise in SIEM, EDR, and SOAR technologies preferred.

Quality Systems Solutions & Implementation Consultant will assist in the implementation and configuration of quality solutions, collaborating with team members to define and address business requirements. Troubleshoot and resolve issues, ensuring smooth integration and continuous improvement of QMS systems. Requires 4-5 years of hands-on experience in Quality with a strong technical understanding of QMS platforms.

Lead PK activities across drug development programs. Design, execute, and interpret pharmacokinetic and pharmacodynamic analyses. Prepare protocols and reports, analyze PK data, and provide ADME/DMPK input into study design.

Implement and execute PPC strategies across SEM and Paid Social channels. Manage and optimize campaigns in Google Ads, Facebook Business Manager, SA360, and Google Analytics. Analyze performance data to identify insights, improvement opportunities, and growth levers. Build and maintain reports and dashboards in Looker Studio. Collaborate with clients to understand their business needs and translate them into actionable PPC strategies. Continuously optimize campaigns using KPI-driven methodologies, budget management, and testing frameworks. Design and execute tests to improve performance and scalability. Apply AI for advanced data analysis and propose strategic and tactical optimizations.

Senior Technical Lead to provide strategic direction for AI and Machine Learning solutions within the IMS domain. Design, scale, and deliver reusable AI products across complex, multi-tenant environments.

QA Electrical & Instrumentation Engineer will develop, implement, and monitor QA plans for E&I systems during construction and commissioning. Responsibilities include reviewing documentation, performing inspections, identifying non-conformances, and ensuring compliance with project standards.

Central Finance and Reporting Lead to support global SAP finance transformation projects. Focus on delivering solutions across Central Finance and Group Reporting while working with finance stakeholders and technical teams. Drive enhancements and complex changes within the SAP ERP environment as part of the transition from ECC to S/4HANA.

Senior Performance Engineer needed for a leading renewable energy multinational group. Manage data sources, analyze asset operation, and propose improvements to power plant generation. Requires a Bachelor's degree, 8+ years of energy industry experience, and advanced English and native Spanish proficiency.

Azure Machine Learning Engineer with 5+ years of experience designing, developing, and deploying AI models on Azure. Proficient in Python, PySpark, and ML frameworks (Scikit-learn, TensorFlow, PyTorch). Experience with Databricks, MLflow, and Azure Machine Learning. Solid understanding of data preprocessing, feature engineering, and model optimization.

Office Coordinator needed for architecture and design studio in Barcelona. Responsibilities include managing office operations, invoicing, administrative support, data analysis, and assisting Senior Management. Requires 3 years of experience, fluency in Spanish and English, and intermediate Excel skills.

Senior Product Analyst to join a fast-growing B2B SaaS company. Partner with Product Managers to define and track product metrics, analyze user and customer behavior data, and build interactive dashboards. Translate data into actionable insights to guide product decisions. 3-5+ years of experience in product analytics or related roles required. Strong SQL skills and experience with Python and data visualization tools are essential.

Automotive Supply Chain & Packaging Engineer needed for Tier 1 automotive company in Barcelona. Define and optimize supply chain organization, ensuring service, quality, and safety while minimizing costs. Develop packaging specifications and ensure fine-tuning and reception of packaging means.

Capture high-quality photography of luxury properties in Valencia and surrounding areas. Produce visual content reflecting Lucas Fox's brand standards. Edit, retouch, and color-correct images. Coordinate shoots with agents, marketing teams, and property owners.