backend developer English-speaking jobs in Extremadura

Senior Infrastructure/Network Architect to design and implement IT architecture for physical security systems across a global estate. Focus on secure integration of CCTV, Access Control, and Intrusion Detection solutions within enterprise network and cybersecurity frameworks.

Client Relations & Lead Qualification Specialist will handle inbound communication, respond to client inquiries, and convert leads into qualified clients.

Experienced Environmental Health & Safety (EHS) Specialist to lead EHS programs across Biogas, Food & Beverage, and Carbon Capture projects in Europe. Develop, implement, and maintain EHS policies, procedures, and site programs. Conduct site audits, risk assessments, and incident investigations. Ensure compliance with regulatory standards and industry best practice. Bachelor's degree in EHS, Occupational Health & Safety, Engineering, or related field required. Minimum 5 years' experience in EHS roles within field service, heavy industry, energy, or related sectors. Must be based in Europe and hold a permanent right to work within Europe.

The Head of Finance will lead the economic and financial management of the CNAG Consortium, reporting to the General Manager. Responsibilities include budget management, financial reporting, and ensuring compliance with regulations.

Senior Software Architect to define, govern, and evolve the architecture of complex software systems. Experience designing architectures for distributed, mission-critical systems in regulated environments is required.

Develops sales plans, establishes overseas sales platforms, and manages customer relationships. Leads international exhibitions and conferences. Requires a bachelor's degree, 5+ years of international sales experience, and proficiency in English.

Zoco Home seeks a Málaga-based COO to drive operational excellence across retail, e-commerce, and supply chain. The COO will lead business planning, strategy execution, and growth initiatives while maintaining premium brand identity and customer experience.

The Global Regulatory Director leads and develops the Regulatory Affairs function, ensuring compliance and enabling business growth. This role guides cross-functional teams on regulatory matters, fosters partnerships with external bodies, and oversees regulatory compliance for products and claims.

QA Specialist for a pharmaceutical company in Sant Cugat. Review and approve GMP documentation, including manufacturing instructions, analytical methods, and stability reports. Support the Quality Management System and monitor IMPs throughout the clinical supply chain. Bachelor's or Master's degree in a relevant field and 3-5 years of experience in QA within an R&D or IMPs-focused GMP environment required.

Lead strategic planning and optimization initiatives across multiple Business Units, driving efficiency and supporting digital transformation. Manage the S·TACT process, develop the Fully Automated Supply Chain, and coordinate cross-border supply interactions. Analyze data, quantify economic impacts, and prepare technical documentation.

Lead the creation and growth of a new Pan-European sales hub in Barcelona. Manage the end-to-end sales process, coach a team of Sales Executives, and collaborate with marketing and product teams.

Backend Python Engineer to design, develop, and maintain APIs and microservices for healthcare technology solutions. Experience with FastAPI, Django, PostgreSQL, RabbitMQ, Docker, and HL7 integrations required.

Client Relations Agent will manage inbound inquiries from clients via phone, email, and digital channels. Responsibilities include organizing leads, updating client records, and coordinating with sales agents. Requires 1-2 years of experience in client relations, customer service, or administrative coordination. Fluency in Spanish and English is required.

Field Service Engineer needed for installation, commissioning, repair, and maintenance of fruit sorting equipment. Requires experience in automated production lines, particularly fruit sorting, beverage packaging, and logistics automation. Must have strong communication and problem-solving skills.

System Integrator (Avionics) for international projects. Own electrical and electronic system integration of unmanned aerial systems, including wiring, electrical architecture, and physical integration. Design, improve wiring harnesses, and create electrical documentation. Plan and execute electrical testing and support system integration, ground, and flight testing.

Copywriter will create blog and website content, manage translations, and collaborate on marketing materials. Responsibilities include content planning, research, writing, and SEO optimization. Native English required, high level of Spanish preferred.

Sales Manager to develop new customers and maintain relationships with solar developers, EPC contractors, and IPPs in the Spanish market.

Develop and execute sales plans for sequencing devices, equipment, and reagents. Identify and manage new business opportunities in academic research and healthcare. Lead complex sales cycles and provide consultative support.

Technical SEO Specialist to develop and optimize content across ZAGA Centers' brands, primarily Smile24h.com. Responsibilities include website maintenance, technical configuration, content creation, keyword research, and performance analysis. Requires 2+ years of technical SEO experience, proficiency in English, and familiarity with SEO and CMS tools.

Data Scientist intern will apply data science methods to real-world business situations across various industries. Responsibilities include framing business challenges, designing algorithms, implementing solutions, and partnering with clients. Must be comfortable in a client-facing role and have a strong understanding of machine learning techniques.