backend developer English-speaking jobs in Extremadura

Sales Development Representative to identify target companies in the solar industry, initiate conversations with decision-makers, and generate qualified sales opportunities.

Provide customer support via email to the French market, resolving issues and sharing feedback with internal teams. Must have at least 1 year of experience in customer service, strong English and Spanish communication skills, and experience with software tools like Zendesk.

AI Engineer to design, build, and scale Generative AI solutions and intelligent agentic systems. Requires 3+ years of experience in Applied AI/Machine Learning, strong Software Engineering skills (Python preferred), and hands-on experience with GenAI applications, RAG pipelines, and agent-based systems.

Key Account Manager for Engineering Services will drive business growth in the Buildings/Real Estate industry. Responsibilities include developing account plans, supporting tenders, coordinating marketing, and negotiating contracts. Requires a university degree, 10+ years of experience in Engineering/Architecture, 5+ years in Real Estate, and fluency in English, French, and Spanish.

Security professional with SOC monitoring experience and German language skills needed for a 12-month freelance contract in Madrid. Responsibilities include monitoring security alerts, investigating incidents, and escalating threats.

Researcher to join the SUNTEC area focused on sustainable solar conversion technologies. Will develop smart glazing technologies, design control systems, and validate energy efficient glazing elements. Requires a Master's degree in a relevant field and experience in nanostructured materials and photo-electrochemical devices.

Lead international B2B SaaS sales for a leading ESG hotel certification platform. Secure €350k/year in sales within the European hotel industry. Manage an ARR target of €30k/month. Proven track record in international B2B SaaS sales with similar high-level metrics required.

Sea Recovery Centre seeks a Night Supervisor to oversee centre operations and client support during overnight hours. Responsibilities include ensuring a safe and secure environment, responding to client needs, and maintaining clear communication with senior staff.

Support and grow a strategic partnership with Microsoft. Collaborate with internal teams and Microsoft stakeholders on pipeline growth, go-to-market initiatives, and partnership visibility.

Lead and scale national hospital service operations, ensuring high-quality technical service, contract compliance, and efficient field team coordination.

Leads the Mechanical Purchasing team, sourcing high-performance parts, components, and assemblies. Builds relationships with global suppliers to meet cost, quality, and delivery targets. Manages supplier performance, identifies cost reduction opportunities, and monitors market conditions. Requires 5+ years of experience in senior sourcing within automotive or high-performance machinery sectors.

IT Administrator to support day-to-day IT operations, including system administration, user lifecycle management, and employee support.

IT Service Specialist needed for exciting projects. Experience with Automic Automation or Control-M required. Responsibilities include designing workflows, processing service requests, and handling incident tickets. Must have strong Unix, Java, and shell scripting knowledge.

Construction Manager needed to plan, coordinate, and supervise on-site construction activities. Must have 8-10 years of experience in construction supervision and project management.

As a Senior Account Manager for Retail, you will own the Joint Business Plan for top-tier partners, defining the year roadmap to boost GMV and market share. You will build and scale a high-impact partner portfolio, identifying untapped business opportunities and creative collaborations. You will act as the primary point of contact, leading negotiations and onboarding key retail giants.

Senior Systems Engineer to lead the architecture and system design of an industrial-scale platform. Translate product objectives into system-level requirements and specifications. Develop and own the overall system architecture, ensuring scalability and manufacturability. Coordinate cross-functional alignment and manage technical interfaces.

Senior AI Engineer (Chatbot Developer) to lead and empower a multicultural team. Building conversational AI solutions and collaborating with an international team. Requires 5+ years in a similar technical role, proven experience with Azure and GCP, strong Python skills, and hands-on experience with Agentic AI and Agentic Frameworks (preferably Google ADK). Excellent English skills are mandatory.

Experienced Sous Chef needed to oversee kitchen operations, including quality, service, and financial management. Responsibilities include recipe development, menu planning, inventory management, and staff training. Must have proven culinary skills, leadership experience, and knowledge of food safety standards.

Analytical Chemist needed for a 9-month temporary position in Barcelona. Execute analytical testing of raw materials and finished products, ensuring compliance with specifications. Support R&D projects and develop/validate analytical methods. Requires a Chemistry degree, 3+ years of experience, and proficiency in chromatography, wet chemistry, and relevant software.

Solution Architect to design technical solutions for industrial automation projects. Experience with DCS, PLC, SCADA, and Industry 4.0 concepts required. Fluent in English and Spanish.