marketing English-speaking jobs in Alcalá de Henares

Who we are? Quantion is a Business Digital Transformation services company founded in 2015 and part of the Astek Group group operating in more than 25 countries with over 10,000 employees worldwide. Our team is specialized in application development, UX/UI, and digital business transformation, focused on building innovative solutions that drive measurable business results.

Company Description IDEADED is a Spanish deep-tech company with over 10 years of experience developing next-generation semiconductor technologies. We combine advanced research, design innovation, and process engineering to create solutions that go beyond traditional silicon and support Europe's technological sovereignty.

Valencia, Spain | Full-time | In-office | International travel We are a fast-growing international startup expanding across multiple markets and looking for a mid-level B2B Sales Representative to join our team in Valencia. This is an office-based role with regular international travel, working closely with clients, distributors, and partners across Europe and beyond.

Opdenergy is a growing independent renewable energy producer (IPP) with presence in Europe, United States and Latin America with more than 19 years' experience.

We are a technology-led healthcare solutions provider. We are driven by our purpose to enable healthcare organizations to be future-ready. We offer accelerated, global growth opportunities for talent that's bold, industrious, and nimble. With Indegene, you gain a unique career experience that celebrates entrepreneurship and is guided by passion, innovation, collaboration, and empathy.

AI Engineer – Hybrid Models & Process Digital TwinsRole OverviewThe AI Engineer will design and implement hybrid models that combine first-principles (physics-based) modeling with deep learning, enabling process digital twins and AI agents for advanced simulation, optimization, and autonomous decision-making in industrial environments, mainly Oil & Gas Industry.

Conexus are working with a leading consulting firm that are searching for an experience AI Architect to bolster their AI capabilities in 2026. This is a senior technical leadership role, suited to someone who enjoys designing enterprise-scale AI architectures, leading strong engineering teams, and working closely with clients to shape AI strategy and delivery.

CloudZone is a global leader in multi-cloud services and a top-tier partner of AWS, Google Cloud, and Microsoft Azure. With over 14 years of expertise, we excel in helping companies maximise the full potential of their cloud investments, delivering exceptional business outcomes with efficiency and precision.

Contractor role; US-based company. We operate remotely - most of the Engineering team is CET. About WalkwayWalkway builds AI-driven revenue intelligence for tours and activities. Operators use our platform for real-time analytics, competitive benchmarks, and dynamic pricing. Our data team collects large-scale web and API data to power these insights.

Company Description Byrom plc, established in 1991, is a world leader in providing tailored solutions for the management of major sports events, having delivered over 200 global events across three decades. Byrom specializes in accommodation, ticketing, hospitality, transportation, and IT services.

**Job Description:** An opportunity for a Radio Systems Engineer has arisen within Airbus Defence and Space, Getafe (Madrid). The selected candidate will join the Radio Systems Department. The main tasks and responsibilities include:Radio system integration in MRTT platform.

Vetpharma is the veterinary division of Chemo, part of the Insud Pharma group, providing Animal Health solutions. We are located in Barcelona, where the group was founded in 1977. In Vetpharma we are a highly qualified team. We have extensive experience in development, registration and marketing veterinary medicinal products, API’s and nutraceuticals.

Take your career to the next level with Amaris Consulting as a Senior Frontend Developer. Be part of an international team, thrive in a global group with a €800M turnover and over 1,000 clients worldwide, and work in an agile, innovative environment.

Agrupa Global Talent collaborates with our client to attract the best talent for its ITHUB located in Barcelona. PositionAs a Digital Solution Architect, you'll be a vital part of our diverse digital workforce, driving the development of strategic plans that encompass people, processes, technology, and data.

Seeking Algae Fermentation Specialist – Industrial Collaboration Opportunity We are an innovative company working on the industrial production of cooking oil from micro-algae. We are looking to collaborate with a technical expert who is highly experienced in heterotrophic micro-algae cultivation and the extraction of edible oils from Micro-algae.

At Charles Taylor InsureTech are looking for an experienced QA Analyst, responsible for defining and executing testing strategies according to business needs and acting as technical referent towards more junior roles. Key Responsibilities Define and execute testing strategies (functional, regression, integration, smoke, etc. ). Identify, document, and track bugs clearly and with prioritization.

Are you passionate about technology and helping others solve problems? At Zahoree, we’re looking for a Technical Support Specialist for the Benelux region, to provide outstanding support to our customers and help them overcome technical challenges with confidence. What You’ll Do:Troubleshoot and resolve technical issues via phone, email, or remote support.

Medical Science Liaison – Spain Role: Full-time, permanent Location: Barcelona, Spain The Role: As a result of the continuous growth of our company and upcoming launches of new original products, we are now looking to hire our first Medical Science Liaison within Spain.

We are seeking a highly skilled Systems Administrator to manage and optimise our main technology platforms, including Dynamics 365, Office 365, Power Apps and property management systems (PMS). This role is essential to ensuring the proper functioning, integration and security of technology systems in a dynamic and constantly evolving business environment.

Google Ads MCC AdministratorPart-time | Remote iProspect Growth ExpertsAt iProspect Growth Experts, growth is not a short-term ambition—it is a disciplined, long-term commitment. We work alongside ambitious brands to build performance ecosystems that are resilient, ethical, and intelligently designed.