freelance English-speaking jobs in Maia

The SocialDigital Lab for Public Policy is seeking a Research Grant holder to define and automatically calculate data-based performance indicators measuring the impact of research on society, academia, and public policy. The successful candidate will develop and use these indicators in a dashboard, analyze data from various sources, and contribute to the lab's activity reports. Applicants must hold a bachelor's degree in a relevant field, be enrolled in a master's program or non-degree program, and have experience in programming for machine learning, training large language models, and using management platforms for large language models.

This research grant supports the development of a NILM solution integration. Tasks include designing and testing a 3D plastic enclosure, planning and executing hardware and software testing, and validating test procedures.

Design, develop, test, and deploy high-quality OutSystems applications. Collaborate with team members to solve problems and develop custom components. Ensure application performance, quality, and responsiveness. Provide technical guidance to the team, review code, and share knowledge. Stay up-to-date with OutSystems platform features.

As a Data Loss Prevention and Insider Risk Analyst, you will implement and improve data protection controls, manage Microsoft Purview features, investigate security incidents, and contribute to policy development. You will also provide guidance to junior analysts and support Kantar's technology transformation and risk management objectives.

This is a research grant opportunity for a First Stage Researcher (R1) within the MAGRES project. The grant is for 4 months, starting in March 2026, and is renewable up to the limit set by the RBI-ISEP. The successful candidate will work on the conception, adaptation, implementation, and integration of applications or models related to the project. They will also participate in meetings, collaborate on scientific articles, and prepare reports on their activities. Applicants must have a Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field, and be enrolled in a master's study cycle or a non-academic degree at ISEP.

Maintains property grounds by mowing, edging, raking, and performing other lawn maintenance functions. Cleans, refills, and operates equipment. Maintains flower beds, removes trash, and repairs sidewalks, driveways, and parking lots. Follows safety policies and procedures. Performs other duties as requested.

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.

This role involves end-to-end project ownership of network deployments, including infrastructure migrations and data center builds within the EMEA region. Responsibilities include working with stakeholders, managing resources, configuring devices, and creating documentation.

PhD scholarship opportunity within the "Cátedra do Solo" project. Research will focus on assessing the impacts of conservation agriculture practices on soil health in the Central Alentejo region.

Research Grant (BI) within the ECORESIN project (no 14921) for "Eco-friendly ceramic-based photopolymerizable additive manufacturing feedstock for dental applications". The work plan includes development and characterization of a water-based photopolymerizable resin, incorporation of zirconia powders, and printing of dental parts.

Exceptional Software Engineer will work on mission-critical problems and impactful products, driving significant business impact. You will build complex, reliable systems and possess a deep understanding of the full stack.

Provide Dutch-speaking customer support via chat, email, and phone for leading global brands in digital advertising. Troubleshoot technical issues and assist with the self-serve advertising platform.

Expert needed to supervise warehousing operations, transport, and inventory management for a multinational pharmaceutical company. Minimum 5 years of experience in Medical Device/Pharma Logistics in Spain and Portugal required. Fluent in Spanish and English.

Senior Technician position at Centro de Biotecnologia Agrícola e Agro-Alimentar do Alentejo. PhD in Chemical Engineering, Food Engineering, Environmental Engineering, Biochemistry, or related fields required. Minimum five years of experience in membrane separation processes research. Excellent oral and written communication skills in Portuguese and English.

Freelance Senior Consultant needed to translate real-world consulting engagements into structured learning environments for AI. Must have 3+ years of experience at McKinsey, BCG, or Bain and hands-on project experience in structuring problems, building models, and producing client deliverables.

Design, build, and maintain data pipelines connecting applications, events, and external sources to Snowflake. Work with Kafka, Schema Registry, and event-driven architectures to power real-time data products. Leverage AWS tools to build scalable, containerized data services. Implement testing frameworks, monitoring, and alerting for data pipelines. Collaborate with analysts, business stakeholders, and product teams to translate requirements into data solutions.

As a Localization QA Game Tester, you will collaborate on a global project team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to console guidelines, and reporting on found issues. Fluency in Korean and conversational English are required.

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.

Doctoral Research Fellowships are available for candidates with a Master's degree in Communication Sciences or related fields. Applicants must demonstrate proficiency in Portuguese and English and be eligible to enroll in a PhD program.

The UPsYDe doctoral network seeks a PhD candidate to develop rapid and reliable high-throughput methods for analyzing yeast cell death in industrial bioprocesses. The successful candidate will integrate omics analyses with targeted assays to identify molecular markers of regulated cell death and ageing. This position is based at the Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Portugal.