backend developer English-speaking jobs in Jerez de la Frontera

Value Improvement Engineer to support project leaders and teams in identifying and implementing cost and schedule reduction alternatives. Develops cost reduction proposals, facilitates workshops, and analyzes industry norms and client standards. Requires a degree in engineering, 10-15 years of experience in petrochemical, refinery, chemical, or power generation projects, and strong communication and problem-solving skills.

Creative & Influencer Partnerships Assistant will source and identify global influencers aligned with the PHIX aesthetic. This role involves building relationships with talent, briefing creators, and analyzing creative content to propose new ideas and campaign directions. The ideal candidate has a strong visual eye, understands emerging platforms, and is comfortable working with both creative and performance aspects of marketing.

Part-Time Service Coach to support student learning and center operations. Responsibilities include student support, retention, sales assistance, and basic teaching. Requires fluency in Spanish and English (B2 minimum), strong communication skills, and experience in customer service, hospitality, or sales.

IT Service Catalog and Reporting Administrator (ServiceNow / CMDB) needed for a multinational banking leader. Manage and maintain the service catalog, update documentation, prepare reports, and provide administrative support for ServiceNow. Requires 4+ years of IT experience, ServiceNow (user level) and CMDB experience, and strong reporting skills.

Software Developer with 5+ years of experience in PHP Symfony and AWS. Develops high- and low-level design documents, participates in code reviews, and diagnoses/resolves issues across development environments.

Technical Responsible for Quality Assurance will build, implement, and run the Quality Management System, ensuring compliance and continuous improvement. Responsibilities include document control, GDP implementation, core QA processes, audit readiness, and cross-functional integration. Requires a Pharmacy degree and 2+ years of experience in Quality Assurance in regulated environments.

TikTok Shop expert needed to manage end-to-end shop ecosystem. Responsibilities include shop setup, product listing optimization, affiliate/creator program management, live commerce operations, and performance reporting. Requires proven experience with TikTok Shop, e-commerce conversion principles, and data analysis.

QA Support Technician will ensure GMP compliance of qualification activities for equipment, facilities, and utilities. Responsibilities include reviewing and approving qualification protocols and reports, managing CAPA plans, and collaborating with cross-functional teams. Requires a degree in Chemical Engineering or similar field and experience in GMP-regulated pharmaceutical environments.

Lead restaurant operations in a 5* lifestyle hotel, ensuring luxury standards in service, quality, and presentation. Drive departmental performance, develop revenue strategies, and manage budgets and inventories. Lead, train, and develop the team while ensuring regulatory compliance and guest satisfaction.

Fashion Jewellery Designer to create innovative collections, research trends, and collaborate with clients. Requires a Bachelor's degree in a related field, design portfolio, CAD proficiency, and knowledge of jewellery construction.

Senior Integration Leader to own and execute a high-impact post-merger integration, defining the roadmap and ensuring alignment across functions and stakeholders.

Temporary QA Specialist (Pharma) required for a fast-growing pharmaceutical company in Sant Cugat. Review and approve GMP documentation, 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. Solid knowledge of ICH, GxP, and EU GMP Annex 13 is essential. Spanish and English required.

Lead Electronic Engineer will be responsible for the hardware conception, design, and build of new products and/or systems. Tasks include electronic circuit design and analysis, PCB layout, simulations, and interaction with customer technical teams. Requires 6-8 years of experience in hardware electronic design and proficiency in Cadence Allegro.

Azure Cloud Architect will design, implement, and manage Azure platforms across multiple subscriptions and environments. Responsibilities include architecting the Azure hub-and-spoke model, implementing landing zones and Azure governance, and ensuring security and compliance. Experience with infrastructure as code, automation, and CI/CD is required. Strong communication skills in English are essential.

Atelier Madre seeks a Fashion Designer to join their team in Barcelona. The role involves engaging with customers, sharing expertise, and assisting them in selecting bags.

Designs, implements, and optimizes FPGA-based solutions for high-performance systems using VHDL. Develops FPGA architectures for real-time systems and collaborates with hardware and software teams.

Experienced Electrical Engineer (PMC) needed for a steel making project. Responsibilities include electrical engineering oversight, design review, compliance assurance, and coordination with EPC/EPCM partners and stakeholders.

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.

Leads the CLC Iberian Peninsula's activities for Innova IRV Foundation, developing the regional water innovation ecosystem and connecting stakeholders across Spain and Portugal. Manages partnerships, supports innovation and business creation, and promotes education and talent development in the water sector.

Manages sales and promotion of Cooler Master's full product range. Responsible for channel program support, sales activities, and achieving revenue targets. Requires 3-5 years of sales/marketing experience, preferably in IT and PC hardware sales. Fluency in English and Spanish is required.