freelance English-speaking jobs in Guimarães

QA & Support Specialist will design and execute test cases, manage support tickets, and act as the first point of contact for technical support. Requires strong attention to detail, experience in manual testing, and excellent communication skills. Fluent/Advanced English required.

Lead the development and strategy of our Content Management System, driving content innovation for engaging gaming experiences. Define and execute the CMS vision, collaborate with game development teams, and manage the product backlog.

Senior Data Engineer needed for international project focused on data integration, pipeline automation, and enterprise data environments. Requires strong ETL/ELT experience, advanced SQL skills, and proficiency with ETL tools like Talend, DataStage, Semarchy, or Stambia. Must have experience with Linux/Unix, job scheduling tools, and data warehousing concepts. Fluent English and French required.

Marketing/Expert Marketing trainee will gain experience in a multinational environment. Responsibilities include implementing marketing actions for healthcare professionals, participating in the healthcare professional training program, collaborating on consumer marketing campaigns, and developing annual marketing plans.

Marketing Executive to develop and execute integrated communication, PR, and digital marketing strategies for hotel restaurants and bars. Responsibilities include managing social media, creating digital content, and coordinating events. Requires a degree in a related field and proven experience in marketing, social media, and digital marketing. Fluency in English and Portuguese is required.

Technical Support Specialist with automotive mechanic expertise needed for a global financial institution. Analyze repair estimates, advise clients on vehicle maintenance, and manage technical claims for Spanish-speaking clientele. Must have native-level Spanish and B2-C1 Portuguese.

Field Service Technician to install, repair, and maintain industrial packaging machines and tools at customer sites in Spain and Italy. Requires technical training, mechanical skills, problem-solving abilities, and proficiency in English.

Analytical Development Scientist / Senior Scientist will develop, transfer, implement, and validate analytical methods for drug substance and product. Responsibilities include designing and executing analytical studies, supporting formulation and process development, and providing analytical support for regulatory submissions.

Planning & Portfolio Manager needed to ensure clear project visibility and alignment across the organization. Develop and manage portfolio planning activities, including timelines, resources, and costs. Coordinate cross-functional planning and monitor operational capacity.

Define and improve test strategies, test concepts, and quality standards across multiple products and teams. Plan, coordinate, and monitor testing activities, ensuring alignment with project timelines and quality goals. Collaborate with development teams, Product Owners, and stakeholders to define acceptance criteria and quality requirements. Drive the adoption and improvement of test automation and quality assurance processes.

Venture Capital Intern opportunity for Nova School of Business and Economics students seeking hands-on experience in a fast-paced environment.

Marketing Intern to execute campaigns, create social media content, and support listings. Must be a student or recent graduate with fluency in Portuguese and English.

Accounts Payable Administrator for Europe East (Greece, Hungary, Poland, Czech Republic, Romania, Slovakia). Processes invoices, ensures compliance with regulations, and provides support to employees and finance colleagues. Requires a Bachelor's degree in finance or accounting and 2+ years of experience in accounts payable. Fluent English required.

Senior Architect - Bids & Tendering will develop and support tender proposals for major projects. Responsibilities include collaborating with the Tender Manager, conducting research, gathering project information, and coordinating with the project team.

The Graphic Designer will create digital and print materials for a hospitality, sports, and leisure company. Responsibilities include developing artwork for social media, websites, advertising, and events.

Develop, implement, and support accounting methodologies and automation within ERP systems. Analyze processes, draft logic for accounting systems, and collaborate with cross-functional teams. Requires finance/accounting background, process analysis experience, and IFRS financial reporting knowledge.

Pricing Manager will develop and evolve pricing models for food, shipping, and non-food items across global regions. This role will monitor market trends, identify pricing opportunities, and collaborate with cross-functional teams to ensure pricing decisions are data-informed and implemented effectively.

Business Manager to identify market opportunities, manage client relationships, and promote Quanteam's services in the Portuguese banking and finance sector. Minimum 2 years' experience in business management, business development, or a related field with client contact in the financial services area.

The NCI Agency seeks a qualified contractor to provide continuous and effective Service Level Management (SLM) services in Oeiras, Portugal. Responsibilities include planning, implementing, monitoring, controlling, reviewing, and auditing service provision to meet business requirements. This includes defining, negotiating, implementing, and monitoring Service Level Agreements (SLAs), as well as managing operational services to ensure agreed performance levels. The contractor will operate as an integral part of the Purchaser's IT support organization, providing on-site IT support services.

Position Key Account Manager Location Lisbon Hybrid Job Summary The Key Account Manager (KAM) is responsible for managing and developing strategic relationships with key clients, ensuring customer satisfaction, and maximizing business opportunities. The KAM will act as the main point of contact, understanding client needs, providing tailored solutions, and driving revenue growth.