freelance English-speaking jobs in Maia

Lead and inspire a team of mobile engineers through OLX's transition to Flutter. Manage projects, define scope, and collaborate across teams to ensure smooth solution implementation.

Business Analyst / Product Specialist to interpret brand and user requirements, translate them into functional and technical specifications, and implement features in a PIM/DAM SaaS tool. Requires 5+ years of experience, strong analytical and problem-solving skills, and proficiency in English.

Identity and Access Management (IAM) Expert needed for hybrid role in Porto. Requires experience in IAM operations, directory technologies (Active Directory, LDAP, Microsoft 365 Identity Governance), cloud platforms (Entra ID, AWS, Azure), and IAM lifecycle management. Must have scripting (PowerShell, Java) and API integration (REST/SOAP) skills. Strong understanding of Zero Trust principles and ITSM tools (Jira, ServiceNow) is essential. University degree in a related field is required.

AI Engineer to build agent systems, retrieval pipelines, and deep research workflows for a legal tech company. Strong Python experience and production AI system development required.

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

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.

Senior Business Development Manager to lead international commercial expansion across plant genetics, propagation, and agricultural supply chains. Focus on market development, partnerships, licensing, and revenue growth in Europe, North Africa, and emerging regions. Requires 5+ years' experience in agribusiness, international market development, and cross-border operations.

The Understanding and Postponing Yeast Cell Death (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 aging.

Research Initiation Fellowship (BII) for students enrolled in a Bachelor’s, Integrated Master’s, or Master’s Programme in Architecture. The fellowship supports applied research activities within the project Bauhaus Bites, including architectural design, technical drawing, and community engagement.

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.

The OT Cybersecurity Engineer maintains security measures, assessments, and incident response for Operational Technology (OT) environments. This role focuses on protecting industrial control systems (ICS) and critical infrastructure from cyber threats. Responsibilities include risk assessment, vulnerability analysis, incident response, security monitoring, and compliance with industry standards.

Research fellowship in Agricultural Sciences for the Vine&Wine Portugal project. The fellowship is funded by the Recovery and Resilience Plan and the NextGeneration EU Funds. Work will be carried out at the Polo de Inovação de Nelas or the Escola Superior Agrária of the Instituto Politécnico de Viseu.

Develop and implement solutions using Microsoft Power Platform (Power Apps, Power Automate, Power BI, Power Virtual Agents) to streamline financial workflows in a regulated environment. Collaborate with stakeholders to design, build, and maintain secure, scalable, and compliant solutions.

The Skilled Operator executes operational activities and processes in accordance with specifications and guidelines to achieve production targets. Responsibilities include operating equipment, performing small maintenance tasks, logging data, and promoting safety compliance.

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.

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

Experienced Python and TypeScript backend developer needed for AI-powered financial platform. Design, build, and optimize backend architecture, integrate financial APIs, and collaborate with teams to implement data workflows.

Supervise warehousing operations, monitor transport, and ensure efficient logistics. Manage inventory, track KPIs, and communicate with stakeholders.

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.

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.