freelance English-speaking jobs in Valongo

Account Manager responsible for sales of technical solutions to the public sector. Requires a Bachelor's degree, previous sales experience, and fluency in Portuguese and English.

Sales Engineer to provide technical expertise and support to the sales team. Collaborate with clients to design solutions and deliver technical presentations. Requires 4+ years of experience in metalworking/mechanical engineering and expertise in CNC machining, sheet metal working, and 3D printing. Good knowledge of Italian and English is required.

Provides technical and documental support to ensure production line effectiveness and efficiency. Collaborates on quality documentation, production layout, and testing results. Supports continuous improvement processes and machine specifications.

InnoTech seeks a Back-End Developer to architect and build robust, scalable solutions. Responsibilities include creating microservices, implementing testing strategies, and collaborating with teams to design APIs. Requires 5+ years of experience with object-oriented programming (preferably .NET or Java), distributed architectures, and message brokers.

Executive Assistant to a founder providing hands-on support for personal and professional matters. Manages scheduling, travel, logistics, and day-to-day operations. Requires strong organization, communication, and problem-solving skills.

Manual Tester needed for a Portuguese consulting company specializing in IT services. Requires a degree in a related field, previous experience as a Manual Tester, and familiarity with Agile methodologies. Must have strong analytical and problem-solving skills, and proficiency in test management tools. Fluency in Portuguese and English is required.

Senior .NET Full-Stack Engineer sought for global transformation partner. Experience with .NET, Azure, Angular, DevOps, and AI-first development required.

Provide customer service to clients through email and phone, assisting with inquiries and resolving issues. Contribute to brand loyalty by identifying customer needs and offering solutions. Must have a high level of German (C1 written and oral).

Office Manager & Administrative Specialist will support the Portugal office and Tax Department. Responsibilities include managing office operations, providing IT support, assisting with client matters, and supporting tax processes. Fluent English and Portuguese required.

The Producer will provide support and oversight across project phases, ensuring efficient planning and execution. Responsibilities include budget preparation, client deck updates, and managing project communications. The ideal candidate has experience coordinating field teams and a background in visual arts, production, or a related field.

Senior Technical Engineer to support international construction projects, focusing on façades, roofing, and waterproofing systems. Analyze drawings, propose solutions, prepare documentation, and ensure compliance with Eurocodes and standards.

The University of Coimbra is seeking a postdoctoral researcher for the project "BrainMET – Targeting ENPP1: a strategy to prevent blood–brain barrier dysfunction and brain metastasis formation." The successful candidate will conduct research on the role of ENPP1 in brain metastasis and its potential as a therapeutic target. Applicants must hold a PhD in a relevant field obtained within three years prior to the application deadline.

Product Manager to build a custom customer support platform for a global tech company. Lead the development of a proprietary CX solution, leveraging expertise in industry leaders like Zendesk and LivePerson. Responsibilities include defining the platform vision, optimizing agent efficiency, and ensuring scalability. Requires 3+ years of Product Management experience building SaaS products within CX, CRM, or Contact Center.

The Resort Administrator supports the smooth operation of a luxury resort, managing administrative tasks, tracking expenses, ensuring data privacy compliance, and assisting with guest and childcare operations.

Senior Operations Manager to oversee daily operations and commercial decisions for an international tech services company. Responsibilities include contract approvals, team assignments, supplier management, financial validation, and compliance oversight. Requires 5-10 years of operational experience, strong financial acumen, and fluency in English. Must reside in Madeira.

Compensation Analyst will support the Tech, Assets, and Client Capability Network (CCN) Compensation Team within the Global Compensation Function (GCF). This role involves defining and implementing compensation strategy for career pathways, collaborating with regional compensation teams, and monitoring market trends. The analyst will analyze internal data, prepare reports, and support the rollout of compensation tools.

One BA Scholarship in Linguistics is available at the Center of Linguistics of the University of Lisbon. The grant is funded by the Spencer Foundation and supports a language learning project. The scholarship will be supervised by Doctor Vita Kogan and will last for 3 months, with the possibility of renewal up to 12 months.

PhD Student position within the European Marie Skłodowska-Curie Actions (MSCA) Doctoral Network "GLYCOCALYX". The project focuses on the mucosal glycocalyx and its role in host-microorganism relationships in homeostasis and infection. The successful candidate will conduct research, participate in training activities, and write scientific articles and a PhD thesis. Must hold a Bachelor and Master's degree in a relevant field and have excellent English language skills.

Senior Certified Accountant needed to maintain general ledger, assist with financial statements, manage tax filings, and ensure compliance with IFRS and Portuguese accounting standards.

The BIOPOLIS Association seeks a Junior Researcher for a 15-month project focused on the ecological component of "Moinhos Vivos: A Meeting Between Heritage and the Conservation of Riverine Biodiversity".