freelance English-speaking jobs in Santander

Gain hands-on experience in a hotel's operations through Marriott's Internship Program. Current college or university students are encouraged to apply.

The Sustainability Technician will implement and maintain environmental and energy management systems (ISO 14001 & 50001) across the organization. Responsibilities include overseeing the HQ Environmental Management System, coordinating certifications, leading internal audits, consolidating environmental reporting, and supporting carbon footprint calculation and ESG reporting.

Medical Doctor specializing in integrative medicine and therapeutic fasting. Provides individualized care, oversees fasting processes, and collaborates with a multidisciplinary team.

Senior MEP Engineer to design MEP systems, prepare feasibility studies, and manage construction activities. Requires a degree in a relevant field and 10+ years of experience in MEP installation projects. Fluency in Spanish and English is required.

Lead Electrical Engineer to manage high-impact PV and battery storage projects in Spain and Central/South America. Develop and review substation and BESS designs, ensuring compliance with standards and client requirements. Lead projects from conception to completion, coordinating with cross-functional teams. Requires 5-7 years of experience in substation and BESS design, proficiency in electrical design software, and fluency in Spanish and English.

Freelance Business Development Representative to build and manage a pipeline of qualified prospects across European markets through outbound outreach.

We are hiring Dutch-speaking professionals for various Tech Sales & Account Management roles. Successful candidates will have experience or interest in sales, marketing, or customer management and fluency in Dutch (C1/C2) and English (B2+).

Freelance videographer needed in Valencia, Spain to capture and produce professional-grade video content. Collaborate with creative teams, operate video equipment, and deliver edited videos within deadlines.

Drive commercial expansion for H2SITE by identifying and pursuing opportunities in industrial and industrial gases sectors. Develop sales strategies, prospect customers, and present hydrogen separation solutions.

Aircraft Structures Engineer analyzes, monitors, and supports the resolution of aircraft structural damages, ensuring fleet airworthiness and minimizing operational disruptions.

Build pipeline for Czech & Slovak B2B accounts from Barcelona. Engage target accounts through multichannel outbound (phone, email, LinkedIn), qualify opportunities, and hand over SQLs to Sales. Fluent Czech/Slovak (C2) and strong English (C1) required.

Position Reports To Segment Manager Your Role And Responsibilities Work model: We are flexible regarding location and value the possibility of you residing in Madrid, Burgos, Valencia, Barcelona, etc. If this suits you, feel free to apply and we will consider it.

The Grid Connection Permitting Technician leads and coordinates permitting for gas and electrical grid connections, road access, and auxiliary services for biomethane projects. Responsibilities include feasibility analysis, liaising with utilities, negotiating agreements, and managing permits. Requires a degree in Engineering and 3-6 years of experience in connection permitting, energy project development, or related fields.

Manage and develop relationships with clients, providing ongoing support and optimizing account performance. Track performance, identify growth opportunities, and collaborate with internal teams.

Cloud Software Engineer to design, build, and maintain control planes for cloud networking services. Develop APIs, automate provisioning and configuration, and contribute to distributed system architecture.

Staff Software Engineer will shape the technical direction of web, mobile, and backend systems. Responsibilities include defining long-term technical strategy, leading architectural decisions, and mentoring senior engineers. Requires 8+ years of experience as a software engineer with expertise in backend development and web application frameworks.

Senior Enterprise Data Platform Architect to design and implement a scalable Azure-based data platform. Responsibilities include data platform architecture, integration, operations, quality, governance, analytics, and AI enablement. Requires 5-8 years of experience in data operations, Microsoft Azure data solutions, and data visualization tools.

Team Leader for the Nordic team in Torrevieja, responsible for personnel, coaching, service level fulfillment, and administrative tasks. Requires 3+ years of experience in a call center, customer service, or related field, previous team leadership experience, fluency in English and Swedish or Danish, and proficiency with IT systems.

Innovation Manager will lead end-to-end product development, from concept to launch, across functional nutrition categories. Responsibilities include identifying market opportunities, collaborating with commercial and marketing teams, and ensuring technical feasibility and commercial alignment.

Service Designer II will plan, prioritize, and deliver service design activities autonomously. Lead client conversations, providing recommendations and guiding choices. Drive the design of systemic interventions in complex ecosystems. Utilize visual frameworks and prototyping techniques to test and validate service components. Support client organizations in implementing new services.