backend developer English-speaking jobs in Extremadura

Senior Data Architect & Program Delivery Lead required to bridge legacy enterprise data platforms (Informatica PowerCenter, Oracle) and modern AWS cloud architecture. Leads technical architecture discussions, drives program governance, and ensures delivery success in a large-scale, multi-team environment. Owns technical direction, defines target architecture, and unblocks engineering teams. Requires 3+ years of Informatica PowerCenter experience, strong PySpark skills, and AWS data engineering knowledge (Glue, EMR, S3, Redshift, Lake Formation). Proven track record leading large-scale data migrations and managing agile data engineering teams. Strong communication and stakeholder management skills are essential.

Data Governance Engineer needed for a permanent, remote role in Spain. Support and improve Databricks Unity Catalog and Collibra platforms. 3+ years of IT experience, Azure Cloud expertise, and strong communication skills required.

Senior Data Scientist will define and execute data science strategy, lead model development, and analyze complex datasets to drive product recommendations.

SMC Corporation seeks a Project Engineer IT (Project Manager) for its European Marketing Center in Vitoria. The role involves defining project scope, developing project plans, managing third parties, and ensuring on-time, on-budget project delivery. Experience with web application programming (JAVA preferred) and UNIX/LINUX is valued.

Public Tender and Customer Service Specialist needed for multilingual team in Barcelona. Responsibilities include tender quote creation, order management, and resolving customer issues throughout the quote to cash process. Requires native-level German, 2+ years of customer service experience, and strong communication and problem-solving skills.

Senior Backend Developer for a contract role (8-12 months) with a day rate of €350-€380. Design, develop, and maintain backend services using Go, contributing to service architecture and scalability.

Clinical Data Manager ensures data accuracy, integrity, and regulatory compliance across clinical projects. Responsibilities include monitoring data quality, creating reports, programming eCRFs, and collaborating with cross-functional teams. Requires a Bachelor's or Master's degree in a related field and at least 2 years of experience in clinical data management.

Mechanical Design Engineer to design, develop, and support lightweight aerospace structures. Experience with airframe and UAV structures, CAD software, and aerospace materials required.

Leads Project Team, communicates with clients and medical stakeholders as a scientific expert. Manages non-promotional medical events and fosters scientific collaboration with clients, HCPs, and medical societies. Requires advanced degree (PhD, MD, or PharmD) and strong communication, project management, and scientific expertise.

Business Development Representative to identify and create new business opportunities, engage potential clients, and collaborate with the sales team to achieve targets. Requires 1-2+ years of outbound sales experience, proficiency in English and German, and Salesforce expertise.

Contact Center Agent needed to support clients and suppliers, providing information, managing bookings, and ensuring excellent customer service. Must be proficient in English and Italian and possess strong communication and problem-solving skills.

Experienced Journalist needed to create breaking AdTech news stories for a B2B media platform. Must have 5+ years of digital journalism experience, strong SEO knowledge, and familiarity with AI tools.

Leads a team to support technical management of Alpiq Thermal's existing assets, ensuring safe and performing operations. Oversees engineering, project management, and plant upgrades. Provides technical expertise to support decision-making and the strategic growth ambition of the Business Unit.

ServiceNow Developer will design, develop, and implement solutions focused on network service management, inventory, and orchestration within the telecommunications sector.

Freelance Sales Specialist to lead market expansion into the Spanish accounting sector. Focus on identifying distribution partners and closing high-value accounts. Requires an established network of C-level contacts in the Asesoría, Gestoría, and Professional Services landscape. Proven track record of selling B2B SaaS, Fintech, or AI solutions in Spain is essential.

Backend Developer will design, implement, and iterate on features for a SaaS platform using Java, AWS, and RabbitMQ. Requires 6-8 years of Java experience, Spring, and REST API development. Experience with asynchronous work or database optimization is a plus.

CELANESE is seeking driven, curious individuals for the 2026 Employment Forum in Gijón. We are looking for talent in Human Resources, VAT, Treasury, Accounting, Product Stewardship, and Corporate Finance. Degrees in Business Administration, Economics, Data Analytics, or Artificial Intelligence are valued.

A Senior Data Engineer is needed to build high-performance data products and applications bridging SAP BW and Palantir Foundry. Responsibilities include designing data models in SAP BW, building data pipelines in Palantir Foundry, and ensuring seamless data flow between systems.

The Researcher will conduct hands-on research and development focused on battery cell preparation, testing, and recycling. Responsibilities include Li-ion coin cell preparation, Li recovery, electrochemical testing, materials characterization, and data analysis.

Project Director to lead execution of large-scale photovoltaic solar plants in New York, USA. Manage entire project lifecycle, ensuring technical, financial, and timely completion.