freelance English-speaking jobs in Maia

Financial Accountant needed to support global financial operations in a remote, international setting. Responsibilities include month-end close, regulatory reporting, and audit support. Requires a recognized accounting qualification (ACCA, ACA, CIMA, or CPA) and 3-5 years of relevant experience. Strong knowledge of IFRS and proficiency in NetSuite and Excel are essential.

Research grant for graduates with a master's degree to support research activities on processing marine origin polymers and their biomedical applications. The grant will last for 6 months with the possibility of renewal. The work plan focuses on developing biomaterials based on marine biopolymers for tissue engineering and other advanced therapies.

Develop and implement solutions using Microsoft Power Platform (Power Apps, Power Automate, Power BI, Power Virtual Agents) to streamline financial workflows and support data-driven decision-making in a regulated environment.

Senior Business Development Manager to lead international commercial expansion across plant genetics, propagation, and agricultural supply chains. Drive market entry strategies, establish partnerships, and negotiate commercial agreements.

INESC TEC is offering a 5-month Research Initiation Grant for a First Stage Researcher (R1) in computer science. The project focuses on processing algorithms and artificial intelligence for analyzing physiological signals and identifying patterns in physical activities.

Research Scholarship at Instituto de Telecomunicações for a PhD student in Computer Science. The project, funded by the EU's Horizon Europe program, focuses on 6G network technologies.

Engage with a vibrant beauty community, manage social media conversations, and shape brand interactions. Respond to consumer comments, foster online discussions, and ensure a positive customer experience. Native-level German and English required.

The Senior Design Transfer Engineer – Systems Operations ensures product designs are manufacturable, scalable, and production-ready. This role bridges Product Engineering, Process Engineering, Manufacturing Operations, and Quality, executing design transfer activities from NPI through ramp-up.

Research Fellowship for Masters-InovArt3D. The fellowship is for a Master's degree in Mechanical Engineering, Materials Engineering, Biomedical Engineering, or related fields. The work plan involves material selection, design, micromachining, additive and subtractive manufacturing, material characterization, and microstructural and mechanical analysis. The fellowship is for 12 months with a starting date in March or April 2026.

Full Professor position in Fine Arts at the Faculty of Fine Arts of the University of Porto. Requires a PhD in Fine Arts or related areas, at least ten scientific publications, and relevant artistic production.

Leads a team of Account Representatives and Account Executives, acquiring, onboarding, and growing Strategic Accounts across SMB and Enterprise segments in Portugal. Develops and executes sales plans, manages pipeline health, and guides Account Executives through the full sales cycle.

IT lawyer with 5-7 years of experience managing technology contracts (software licenses, SaaS, PaaS, IaaS, hardware, licensing, development, support, and consultancy). Provides legal support to Airport and Airline Operations and Border Control affairs. Global role involving contract management with international customers.

Leads and supports global Managing Director & Partners (MDP) lifecycle activities, including recruiting, departures, and office transfers. Manages day-to-day operations for over 250 annual lifecycle requests, ensuring precise document preparation and end-to-end tracking. Develops cash flow estimates and owns critical business analytics and reporting. Partners with stakeholders to ensure alignment, accuracy, and compliance across all processes.

The University of Coimbra seeks a postdoctoral researcher for the project "REMEDIES - Hypo Resetting Metabolic-memory in Endocrine Delta-cells In Episodic Severe Hypoglycaemia". The successful candidate will conduct experimental tests, support data analysis, and manage laboratory tasks.

Research grant for a PhD student to work on a project focused on karst caves in Portugal. Responsibilities include data compilation, sampling, field trips, stakeholder engagement, data analysis, and scientific writing.

Research Grant for a First Stage Researcher (R1) to contribute to the optimization of magnetocaloric regenerator geometries for a project on clean and efficient vaccine transportation cooling.

Lead the end-to-end search experience for the consumer app, defining and executing a product strategy aligned with Booksy's marketplace growth.

Software Monitoring & DevOps Engineer will design and architect end-to-end monitoring solutions. Responsibilities include implementing user-facing monitoring systems, defining observability concepts, and collaborating with software engineering teams. Requires 3-5 years of experience in software engineering, DevOps, SRE, or similar roles, and experience with monitoring and observability solutions like Prometheus, Grafana, or ELK Stack.

Executes operational activities and processes in production, including discharge, load, transport, clean, and operate equipment. Performs small maintenance tasks and reports defects. Logs production data and signals opportunities for improvement.

Research grant for a First Stage Researcher (R1) within the "AET – Alliance for Energy Transition" project. The grant is for 4 months, with the possibility of renewal, and focuses on adapting traffic assignment models in multimodal transport networks. Applicants must hold a master's degree in Civil Engineering or a related field and be enrolled in a doctoral program or a non-academic degree course integrated in the educational project of a higher education institution.