freelance English-speaking jobs in Guimarães

Research Student Fellowship at LIP - Minho to study first-order phase transitions in the early Universe. The work will focus on conformal extensions of the Standard Model with non-Abelian gauge symmetries.

Freelance copywriter needed to create compelling content for various marketing materials. Must have a strong portfolio, excellent English writing skills, and experience with SEO.

Technician will manage contracts and invoices for Sonae Sierra's Service Companies and Tenants. Responsibilities include registering contract information in SAP, centralizing documentation for invoices, and updating annual common costs. Fluent English and proficiency in MS Office Suite, particularly Excel, are required. SAP knowledge is a plus.

Co-Founder needed for live coworking & coliving software platform. Must have direct experience in the coworking or coliving industry and a strong network of operators. Equity compensation only.

Transport hotel guests safely and efficiently to their destinations. Assist with luggage and provide excellent customer service. Maintain vehicle cleanliness and adhere to traffic laws.

This Technical Product Engineer role focuses on delivering next-generation technology solutions for Medical Affairs teams across EMEA. Responsibilities include designing, building, and deploying technology solutions, implementing agentic AI capabilities, and collaborating with cross-functional teams. The ideal candidate will have 4-6 years of experience delivering enterprise digital products, technology solutions, or AI-enabled solutions.

The Assistant Professor (Analysis and Mathematical Finance) delivers undergraduate and graduate level teaching, conducts research, and contributes to curriculum development at ISEG.

Senior Quality Assurance Analyst will design, develop, and execute test plans for a global sleep health technology platform. Responsibilities include end-to-end testing, collaborating with stakeholders, and ensuring compliance with industry standards. Requires 5+ years of experience in SDLC quality analysis, test automation frameworks, and healthcare technology.

Skilled Plasterer needed in Braga, Portugal. Responsibilities include preparing surfaces, mixing and applying plaster, creating decorative designs, and repairing imperfections.

Experienced Project Manager needed for strategic transformation initiative in the financial sector. Proven experience in Target Operating Model (TOM), operational efficiency, and business transformation projects. Strong consulting background with experience leading complex initiatives and collaborating with senior stakeholders.

AI Engineer to design, implement, and support enterprise AI solutions using Microsoft Azure, Microsoft Foundry, and Large Language Models. Develop Python-based components and integrations for AI-enabled workflows. Collaborate with stakeholders to analyze requirements and translate them into AI and infrastructure solutions.

The Tactical Category Manager for Employee Services - Europe West will implement the integrated category strategy for the region. This role reports to the Tactical Purchasing Team Lead for Business Services/IT and acts as an interface between the global cluster and the operation center.

Provide technical and customer support in Dutch and English via phone, email, and chat. Troubleshoot user issues and escalate complex cases. Must be based in Lisbon, Portugal.

As a Night Auditor, you will ensure service standards and operational procedures are adhered to. You will review reservations, balance and audit postings, reconcile revenue, and prepare daily reports. You will also provide prompt and attentive service to guests, promoting hotel services and anticipating guest needs.

Finance Analyst needed for accounting operations, financial analysis, and reporting under US GAAP and IFRS/SNC. Requires accounting certification, strong Excel and SAP skills, and fluency in Portuguese/English.

The Training Officer will implement and coordinate the annual training plan, manage training campaigns, and organize training sessions. They will produce training reports, analyze effectiveness, and contribute to the design and improvement of training initiatives.

Develop, test, and maintain Java code for software solutions. Troubleshoot applications, collaborate with teams, and conduct code reviews.

The Real Estate Project Manager leads end-to-end projects from concept to completion, developing strategies aligned with business objectives. This role manages budgets, schedules, risks, and vendors while collaborating with internal stakeholders and ensuring projects meet quality, safety, and sustainability standards.

IoT Systems Engineer to lead development and improvement of FOSSA IoT devices and ecosystem. Manage multidisciplinary team, ensure technical coherence, and oversee customer support.

Senior Accountant to manage financial and accounting activities for a healthcare company in Santarem. Responsibilities include month-end and year-end close, accounts payable/receivable, payroll, statutory filings, and ERP system management.