freelance English-speaking jobs in Valongo

Experienced Clinical Study Managers needed to evaluate and improve AI-generated clinical trial content. Apply your expertise in study operations, timelines, and budgets to assess AI outputs and identify areas for improvement. Work independently on a remote, flexible schedule.

Data & AI Consultant will work directly with a major global client, helping them design and implement AI-enabled solutions within their data and technology environment. Responsibilities include understanding business problems, translating them into technical solutions, designing and developing MVPs, and guiding client engineering teams on solution implementation.

Experienced SAP Business One consultant needed to own and optimize the ERP environment across multiple companies. Responsibilities include system configuration, user support, process improvement, and collaboration with internal and external teams. Must have 3+ years of SAP B1 experience, strong problem-solving skills, and fluency in Portuguese and English.

Support the development and execution of communication plans for Hovione's service portfolios. Collaborate with business, marketing, and sales teams to understand priorities and identify communication opportunities. Contribute to the transformation of Hovione's communications function.

QA Engineer needed for a client on the Talent Team. Define, plan, and execute testing strategies. Design, automate, and maintain functional, integration, regression, and exploratory tests. Ensure the quality of modern web applications.

Lead Data Scientist will work across functions on projects including R&D and automation. Translate client requirements into solutions, ideate and develop product innovations, and define and own the roadmap for R&D and prototyping. Build statistical and analytical models, including ML/AI approaches, and test and optimize them.

System and Network Engineer needed to install, maintain, and support server and network infrastructure for ad-serving platform. Requires extensive Linux experience, web server knowledge, and database administration skills.

Quince seeks a Sourcing Manager to build and lead the EU soft home sourcing function. This role will identify and onboard vendor partners, focusing on cotton bedding, kids bedding, and window coverings. The ideal candidate will have 10+ years of experience in home textile sourcing, a strong vendor network, and the ability to scale new supply chains.

Senior Developer will collaborate in agile teams to analyze technical requirements, design and implement customizations in Dynamics 365, and develop solutions using C#/.NET, JavaScript/TypeScript, and Power Platform components.

UX/UI Designer – Mid-level / Senior Consultant will design end-to-end digital experiences, transforming user insights and business needs into functional, accessible and visually engaging interfaces. Collaborate in the design of end-to-end digital experiences, from research and discovery to prototyping and final interface design. Conduct UX research activities, including user interviews, surveys, friction-point identification, opportunity mapping and usability testing. Define and design information architecture, user flows, wireframes, interactive prototypes and visual interfaces. Ensure visual consistency, usability and the application of digital accessibility principles across different products and experiences. Create, use and contribute to design systems, brand guidelines and reusable design components. Prepare clear, structured and visually consistent deliverables and presentations to document and communicate project outcomes. Participate in client meetings, collaborative sessions and workshops. Work closely with multidisciplinary teams, including service designers, consultants, developers and client stakeholders. Contribute with a critical mindset, going beyond initial requests to identify user needs, business opportunities and improvement areas.

The Head of Governance & Digital Architecture for Grid Technologies defines the strategic roadmap for digital services, oversees the project portfolio, and drives change management initiatives. Leads a team across IT Architecture, Cyber Security, Data Enablement, and Change Management. Establishes and enforces technology standards, collaborates with business leaders, and champions digital transformation. Requires extensive experience in IT strategy, architecture, portfolio management, and digital transformation.

Solution Architect will design and own long-term architecture across Microsoft Dynamics 365 and the Power Platform. Responsibilities include designing end-to-end solutions, defining domain-driven architecture, and ensuring integration architectures are secure, scalable, and resilient.

Provides customer support to players via live chat, email, and phone. Assists with account access, platform navigation, bonuses, payments, and product-related questions. Troubleshoots technical issues and escalates complex cases.

Provide customer support to Dutch-speaking clients via phone, email, and chat. Resolve inquiries, complaints, and service issues while adhering to service level agreements. Document interactions and escalate complex cases.

This temporary Business Controller role (6 months + 6 months) supports business performance through financial analysis and strategic guidance. Responsibilities include financial reporting, investment follow-up, risk management, and supporting financial planning processes.

Senior Salesforce Marketing Cloud Developer needed for complex projects. Must have strong hands-on experience implementing, customizing, and optimizing Marketing Cloud solutions. Experience with AMPscript, SSJS, SQL, HTML/CSS, and Marketing Cloud APIs is required.

Fully funded PhD research scholarships are available through the MagIC R&D Unit. Applicants must hold a bachelor's or master's degree, possess knowledge in information management or data science, and not have previously benefited from a doctoral grant. The research project must align with MagIC's strategic plan and promote conceptual and methodological integration between Management and Data Science.

Customer Care Representative will handle customer orders, manage returns and backorders, and provide customer support. Requires 2+ years of experience in customer service, fluency in Portuguese and English, and proficiency in SAP and Excel.

Senior Accountant needed for a leading international real estate firm. Responsibilities include preparing financial statements, managing tax compliance, and coordinating group reporting. Requires a Certified Accountant with 5-7 years of experience in multinational companies, strong knowledge of Portuguese accounting standards (SNC), and fluency in English.

Responsible for product registration and maintenance in Portugal, ensuring compliance with national and European regulations. Defines registration strategies, collaborates with authorities and industry associations, and provides regulatory guidance to internal teams. Requires a university degree in agriculture or a related field and minimum 3 years of experience in plant protection product registrations.