backend developer English-speaking jobs in Extremadura

Infrastructure Automation Engineer to manage and evolve global backup and restore infrastructures for servers, databases, and NAS services. Automate operational processes, analyze logs, and improve monitoring and service quality.

Software Engineer needed for a modern, high-standard engineering environment. Design, implement, and maintain features using AI-first principles. Collaborate with the product team on system design and mentor peers. Bachelor's degree in Computer Science or related field required. Deep understanding of cloud infrastructure and a strong passion for coding are essential. Proven experience in designing future-proof infrastructure and handling big data on the cloud. Exceptional English communication skills are a must.

Computer System Validation Senior Consultant will lead ERP and computerized system validations (IQ, OQ, PQ) ensuring compliance with EU GMP Annex 11, FDA 21 CFR Part 11, and GAMP 5.

Design, implement, and maintain secure CI/CD pipelines. Integrate security scanning and vulnerability management into development workflows. Automate infrastructure provisioning and application deployment using DevSecOps tools. Collaborate with development, QA, security, and operations teams.

Build and execute quote proposals for parts and billable services. Partner with commercial and fulfillment teams to understand availability, lead times, costs, and prices. Communicate with end-users and work to increase market capture and Key Account performance.

Provides global medical and scientific leadership for a late-phase clinical development program. Defines and drives clinical development strategy, including study concepts and alignment with regulatory and commercial goals. Acts as the clinical lead within global, cross-functional project teams.

Product Line Manager for Agriculture and Industrial Biotech will define product vision, roadmap, and strategy. Lead market research, competitive analysis, and cross-functional stakeholder alignment. Engage with clients, develop commercial materials, and ensure regulatory compliance. Requires a Bachelor's degree in a relevant field, 3+ years of industry experience, or 2+ years as a product manager. Strong communication, quantitative, and organizational skills are essential. Fluency in Spanish and/or Portuguese and English is required. Willingness to travel is necessary.

Develop and execute mobile user acquisition strategies across digital channels. Manage campaigns, analyze performance, and optimize for KPIs. Collaborate with cross-functional teams and external partners.

Data Integration Engineer needed for a multinational industrial company undergoing digital transformation. Design, build, and maintain customer and marketing data integrations between CRM and digital marketing platforms. Ensure data quality, consistency, security, and traceability.

Corporate People (HR) Partner, Manager will support business goals and drive people-centric strategies for McDonald's Market Corporate population. Responsibilities include partnering with business leaders, supporting organizational development, and managing key People processes.

Technical Engineering Director to lead Services Team in San Sebastian, Spain. Drives customer projects, identifies innovation opportunities, and builds high-performing teams. Requires Master's/PhD in STEM field, 3+ years applied machine learning experience, 2+ years project management, and fluency in Spanish.

Senior Optimization Engineer needed to architect and deploy advanced nonlinear optimization engines. Responsibilities include designing custom algorithms, translating multi-physics phenomena into optimization problems, and customizing solver behaviors. Requires PhD in a relevant field and deep knowledge of nonlinear optimization theory, programming languages (Julia, C++, Python), and large-scale solvers.

As Ultralytics' first Product Marketing Manager, you will define and execute GTM strategy for the Ultralytics product suite, translating technical capabilities into clear value for developers and enterprise buyers. You will own launch plans, messaging, and positioning, working closely with engineering and product teams to shape narratives and drive adoption.

Mushiny Europe seeks a Sales Development Manager to identify new customers and partners. Responsibilities include researching prospects, generating interest, scheduling meetings, and maintaining CRM records. Candidates should have 2-8 years of experience in sales, business development, or a customer-facing role with strong communication and organizational skills.

Junior Business Development Manager to support expansion across Spain. Develop relationships with wholesalers, resellers, and distribution partners. Generate leads, qualify prospects, and manage the full sales cycle.

The Director of Learning will lead the development, implementation, and evaluation of curricula, oversee curriculum review and refinement, and manage teacher professional development. This role requires travel to Dukes Education schools in Spain and across Europe.

The Collector will manage invoice collection, resolve customer issues, and ensure timely payments. Responsibilities include negotiating with customers, monitoring invoice collection, identifying late payments, and coordinating with internal departments.

Senior Key Account Manager to manage and grow relationships with key accounts, driving business objectives and ensuring exceptional service delivery.

INFINNI seeks an IT Governance & Security Specialist to ensure infrastructure security and manage IT assets. Responsibilities include neutralizing Shadow IT, managing access controls, and implementing cybersecurity measures. Must have experience with ITAM, MDM, IAM, EDR, and cloud security. Nice-to-haves include compliance frameworks, scripting, and relevant certifications.

Senior Verification Engineer needed to develop and maintain UVM-based verification environments for complex digital designs. Responsibilities include creating test plans, building testbench components, running simulations, and collaborating with RTL designers.