backend developer English-speaking jobs in Extremadura

As a Sommelier at Zuma Madrid, you will provide exceptional wine and sake service, enhance guest experiences, and manage stock levels. You will collaborate with the front-of-house team and build relationships with guests.

Mechanical Engineer Trainee will assist in preparing technical specifications, coordinating with other disciplines, and ensuring contractual requirements are met.

Sales Development Representative will identify and prospect healthcare clients, build outbound opportunities, and generate revenue. Responsibilities include qualifying leads, running demos, and collaborating with founders on growth initiatives. Experience in healthcare or selling into healthcare is a plus.

Assists in all kitchen operations, including food cost control. Develops menus and recipes, ensures food quality, and supervises food preparation. Maintains kitchen cleanliness and hygiene.

Operations Director to oversee 2-4 luxury hospitality venues in Southern Spain. Responsible for operational excellence, guest experience, and team leadership across multiple premium sites. Proven experience in luxury hospitality operations and strong people leadership required.

Sage Corps is an international internship program that sends top university students to work with entrepreneurs at startups for eight weeks. Host startups are affiliated with a local business accelerator, incubator, or co-working space with whom Sage Corps partners.

Graduate Sales Development Programme in Barcelona. Develop into a high-performing commercial professional. Build relationships with senior decision-makers across European markets and generate new business opportunities. Fluency in English and at least one additional European language required.

Product Designer to develop products across rugs, furniture, and textiles. 5+ years of experience required. Strong portfolio, proficiency in design tools, and knowledge of materials and manufacturing processes essential.

Junior Project Planner Engineer to assist in developing and maintaining project schedules using Primavera P6 or MS Project. Support project timelines, resource allocation, and progress monitoring. Collaborate with international teams and prepare progress reports. Bachelor's degree in Engineering and 3-4 years of relevant experience required.

Lead on-premise deployments in complex, multi-system environments. Ensure product adoption and operational impact. Solve problems on-site and translate operational needs into product decisions. Lead a team and coordinate technical, operational, and business profiles.

Enterprise Sales Executive to define and execute sales strategy for advanced tech solutions in Spain and Europe, targeting large-scale B2B clients. Requires proven track record in enterprise B2B sales, experience engaging C-suite executives, and fluency in Spanish and English.

Site Leader for a leading multinational chemical company's manufacturing facility in Spain. Leads site operations, team performance, and business strategy execution. Requires a Master's degree in a relevant field and 10+ years of experience in industrial manufacturing leadership.

Designs, develops, and maintains web applications and data tools for an EU institution. Builds AI-powered tools for document processing and content generation using NLP techniques. Develops data pipelines, manages databases, and supports policy analysis through interactive tools. Requires fluency in English and experience with Python, JavaScript/TypeScript, and data visualization tools.

Business Developer fluent in French and English seeks to expand a portfolio of startups and SMEs. Full ownership of the B2B sales cycle, from prospecting to closing deals. 2-5 years of B2B sales experience required.

Experienced Project Manager needed to lead the delivery of utility-scale Solar PV and BESS projects (20MW+) in Spain. Responsibilities include managing EPC contractors, budgets, and schedules, ensuring compliance with regulations, and overseeing construction and commissioning.

Provide inbound customer service in Dutch via phone and email for a client. Resolve customer inquiries, follow procedures, and escalate complex cases.

PhD position in accelerated materials discovery for energy applications. Research focuses on complex oxide materials for solid-state batteries and SOFCs using combinatorial synthesis and high-throughput characterization.

Senior Coordinator for clinical packaging and labeling operations. Ensures timely delivery of packaged clinical supplies for studies from Phase 1 to Phase 4. Manages outsourced activities, reviews documentation, and collaborates with external partners. Requires experience in clinical packaging, R&D, GMP, GCP, and GDP. Strong proficiency in digital tools and reporting systems.

Aerodynamics Academy seeks two Flight Instructors: Developing Instructor with minimum 500 total hours and 200 instructional hours, and Senior Instructor with CRI and/or IRI privileges. Competitive salary, free accommodation, and stable roster offered. Must have EASA Unrestricted FI(A) and Class 1 Medical.

Who we are: At ROCKWOOL Core Solutions, we partner with industrial manufacturers to deliver customised solutions – and help original equipment manufacturing succeed. As the specialist OEM division of ROCKWOOL Group, we provide stone wool solutions embracing the many Strengths of Stone.