freelance English-speaking jobs in Valongo

Provides in-theatre and clinical support for Stryker Joint Replacement products, including robotic surgery with Mako. Trains healthcare professionals on Stryker products and manages customer service levels. Audits theatre stock, manages consignment inventory, and conducts product trials and evaluations. Communicates product features and benefits to customers. Requires a bachelor's degree in a relevant field, 1-2 years of experience, fluency in Portuguese and English, and a valid driver's license.

Marketing Manager to own and execute Bybit EU's Portugal marketing strategy, driving eFTD growth and brand presence. Responsibilities include planning and optimizing acquisition campaigns, managing local marketing partners, leading social media and content strategy, and building the Portuguese community. Requires 5+ years of marketing experience, preferably in fintech, with proven user acquisition and growth metrics experience.

Supports the Consumer Health Regulatory Team in Iberia (Spain & Portugal) with regulatory tasks for medicines, medical devices, food supplements, and cosmetics. Manages regulatory submissions, databases, artwork, and translations. Ensures compliance with EU regulations and internal guidelines.

Rental Agent needed for busy airport office. Provide exceptional customer service, manage bookings, and advise on vehicle rentals and add-on products. Requires customer service and sales experience, advanced English, and a driving license.

Data Engineer to design and manage an AI Data Vault, operate vector databases, and build document parsers for a high-impact AI team. Also seeks a Senior AI Engineer to build and deploy production-grade AI services using LLMs, RAG, and vector search.

International Recruiter to manage full-cycle recruitment for international vacancies. Source, screen, and interview candidates, collaborate with hiring managers, and build talent pipelines.

The Buyer will manage Tactical Sourcing and Contract Management activities, including Call for Tender processes, supplier selection, and contract negotiation. The role requires 2-5 years of procurement experience, strong negotiation and communication skills, and fluency in English. Knowledge of Export Control and Sustainability laws, Procurement tools (Coupa, SAP, E-Proc, Airsupply), and Google Suite is also required.

Senior Data Analyst will gather business requirements, translate them into Power BI dashboards and reports, and connect Power BI to various data sources. The role requires strong Power BI, data modeling, and SQL skills.

Coordinates production planning activities, develops production plans aligned with sales forecasts, and manages customer shipments. Requires a Bachelor's or Master's degree in a relevant field, experience with production processes and Lean Manufacturing, and proficiency in SAP and MS Office.

Entry-level painter needed for contract position in Braga, Portugal. Responsibilities include surface preparation, paint mixing and application, and ensuring a high-quality finish. Must have a biometric passport.

Coordinates, monitors, and improves food safety and due diligence processes in the Iberia region. Ensures compliance with legislation, customer requirements, and internal quality standards. Conducts audits, manages risk assessments, and collaborates with stakeholders.

Provide telephone support to German-speaking customers, assisting with product and service inquiries. Manage customer requests and identify opportunities for process improvement.

Junior DevOps/Platform Engineer will build, maintain, and improve cloud infrastructure, automate workflows, and support CI/CD pipelines. Requires a BSc or MSc in a related field, strong Linux and cloud fundamentals, and hands-on experience with at least one major cloud platform.

Financial Business Analyst to lead the implementation of a new financial system within a major international financial institution in Lisbon.

This internship focuses on maintaining and optimizing Mantu's procurement ecosystem centered around Ivalua. Responsibilities include platform maintenance, data analysis, reporting, and process automation. The role requires understanding of ETL processes, APIs, SQL, Power BI, and data warehousing concepts.

Experienced Legal Counsel to provide full-cycle legal support for JoomPulse, a data-driven AI analytics tool for Mercado Livre sellers. Responsibilities include drafting, reviewing, and negotiating Brazilian law contracts, managing corporate structure, and collaborating with the tax team.

Engine Mechanic needed for new MRO facility near Porto, Portugal. Responsibilities include welding aircraft and engine parts using various methods, processing materials like steel, aluminum, and titanium, and collaborating with team members. Requires completed technical vocational training and strong English and Portuguese language skills. Welding certification and experience with aircraft components are desirable.

Provides IT support, monitors application performance, and analyzes technical requirements. Experience with Red Hat Linux, Ansible, Python, APM tools, container technologies, and CI/CD tools required.

Develop business opportunities, manage strategic accounts, and position Effisus solutions in major construction and refurbishment projects. Work closely with architects, developers, main contractors, engineering consultants, and specialist subcontractors.

AI Engineer with 3-6 years of experience building backend APIs, distributed systems, and cloud-native services. Expertise in Java, Python, and AI platform components like MCP servers, AI agents, and LLM integration frameworks. Experience integrating AI services into enterprise systems and workflows.