freelance English-speaking jobs in Balearic Islands

Develop and implement physical layer algorithms for 5G radio systems. Design, model, and verify signal processing algorithms with a focus on high-performance and real-time requirements.

The Senior Manager, Market Access will develop and execute market access plans for oncology drugs, including pricing and reimbursement strategies. This role requires expertise in the Spanish healthcare system, drug funding policies, and oncology. The candidate will lead relationships with key stakeholders, analyze market trends, and provide internal training on market access.

Identify, assess, and remediate vulnerabilities across IT environments using tools like Tenable Nessus, Qualys, or Rapid7. Validate findings, prioritize remediation, and coordinate with IT and DevOps teams.

Leads and grows data science capability for a global organization. Owns data science strategy, quality, and impact across the organization. Leads, mentors, and scales a multi-layered data science team. Partners with stakeholders to translate challenges into data-driven solutions. Ensures responsible, transparent, and scalable AI solutions.

Senior Azure Data Platform Engineer with AI knowledge needed to build and maintain a leading Azure environment for GenAI workloads. Responsibilities include designing, developing, and optimizing cloud platforms, implementing CI/CD pipelines, and managing Azure OpenAI and Azure Machine Learning environments. Strong technical knowledge in Terraform, Azure Services, and scripting is required.

Prototype Factory seeks a Frontend Developer to build beautiful, responsive, and functional UIs for MVPs and prototypes. Collaborate with designers and backend engineers to translate Figma designs into production-ready components. Experience with TypeScript, React, Next.js, and UI libraries is required.

Provides 24/7 technical support for roadside tolling services and systems. Resolves incidents, performs fault diagnosis, and escalates complex issues. Supports roadside equipment and infrastructure, including ANPR cameras, laser scanners, and network connectivity. Maintains technical documentation and contributes to service improvement initiatives.

Freelance Senior Clinical Research Associate (SCRA) needed for an ongoing respiratory virus study in Galicia, Spain. Requires 5 years of independent monitoring experience, fluency in Galician, and knowledge of early-phase clinical trials.

Revenue & Reservations Trainee will manage room reservations, optimize rates, and support revenue strategies. Responsibilities include handling bookings, updating rooming lists, and analyzing data. Requires fluency in Spanish and English, and a positive, proactive attitude.

Genetic Laboratory Technician needed to support daily operations of a reproductive genetics laboratory. Responsibilities include processing blood samples, performing molecular biology and genomics techniques, and maintaining laboratory records. Requires a Laboratory Technician certificate, English language skills, and experience in a genetics laboratory with techniques such as PCR, qPCR, or NGS.

Provides day-to-day non-clinical support, structure, and engagement for clients at a recovery center. Organizes and participates in activities, supports client journeys, and ensures client safety and comfort. Reports to the Lead Support Worker and works under the therapeutic guidance of the Lead Therapist.

Sell Domino printers and complementary items to new customers in Andalucía Occidental (Sevilla, Huelva, Cádiz y Córdoba). Achieve sales targets and manage customer relationships.

The Centro Nacional de Análisis Genómico (CNAG) seeks a Bioinformatic Post-doctoral fellow for the Biomedical Genomics Group. The successful candidate will have a PhD in bioinformatics or a related field and experience with NGS-data analysis, developing new methods, and working in a multidisciplinary environment.

Machine Learning Platform Engineer to design, deploy, and operate production-grade AI systems. Responsibilities include building automated pipelines, running ML workloads on cloud platforms, and improving reliability and performance. Strong Python engineering background and experience supporting ML systems required.

AI Principal Engineer will architect large-scale AI systems, define AI service integrations, and guide senior engineers on advanced AI and system design challenges. Requires deep experience designing distributed systems, API-based architectures, and AI technologies.

As our first Medical Science Liaison in Spain, you will act as a scientific and medical expert, fostering collaborations with healthcare professionals and Thought Leaders in oncology and non-oncology areas. You will conduct scientific exchanges, provide non-promotional information, and develop Local Medical Plans and Publication Plans.

Isotrol seeks a Project Engineer to serve as the main client contact for integrations of its SCADA Monitoring and Control System. The ideal candidate will have an industrial engineering background with experience in renewable energy or the energy sector, knowledge of control/SCADA systems, and strong analytical and electrical skills.

The Head of Physical Security IBIOL will define, implement, and oversee the global physical security strategy for NTT DATA in the region. This role will ensure the protection of people, assets, and facilities, physical business continuity, and regulatory compliance.

Real Estate Sales Consultant to join a leading luxury agency in Barcelona. Responsibilities include property acquisition, client advising, sales negotiation, and CRM management. Requires previous real estate experience, strong sales orientation, and fluency in Spanish and English.

The Customer Journey & OTA Lead owns and improves the guest experience from first interaction to post-trip follow-ups. This role manages OTA platforms (Booking.com, Hostelworld, Expedia, Viator/GetYourGuide), ensuring accurate and optimized listings. The ideal candidate has 2+ years of experience in customer service, hospitality, travel, or OTA management, strong English and Spanish communication skills, and is highly organized.