freelance English-speaking jobs in Barreiro

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.

Leads the Equipment Maintenance team, ensuring preventive, corrective, and predictive maintenance of pharmaceutical equipment. Promotes reliability, availability, and performance of production assets while complying with GMP and EHS standards. Manages team development, performance, and training. Drives continuous improvement initiatives and ensures compliance with regulatory requirements.

Manages FX/MM, Treasury & Collateral operations, ensuring operational efficiency and client service excellence. Leads a team in Lisbon, collaborating with Swiss colleagues. Requires expertise in FX/MM, Treasury & Collateral products, regulatory reporting, and the S2i core banking system.

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 the sales cycle.

Research Grant (RG) in the scope of R&D projects "LiquidGreen - Production of Liquid Fuels by the electrochemical conversion of biogas". The research activity aims at the preparation and fabrication of protonic electrochemical cells.

BIM Architecture Technician needed for data center projects. Five years of experience in BIM modeling, including urban to building composition, finishes, and detailing required. Experience with Autodesk Revit, Navisworks, and AutoCAD is essential. Must be able to create and deploy architectural drawings from BIM models and follow established standards.

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

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.

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.

Research Fellowship for a bachelor (BI) student in the area of the technical-economic analysis of Green Hydrogen and its spatial analysis. The fellowship is for 3 months, starting April 1, 2026, and offers a monthly stipend of €1040.98.

Data Scientist will solve business challenges using analytics, predictive modeling, and machine learning. Develops and deploys products, consults clients, and collaborates with technical teams. Requires a Master's degree, 2+ years experience, proficiency in Python and SQL, and strong communication skills. Native Portuguese speaker and fluent English (C1) required.

The Creative Strategist, UGC develops and executes a scalable UGC plan, translating marketing calendars into content strategies, briefs, and creator activations. This role focuses on defining content needs, creator selection, and creative direction across paid, social, and owned channels.

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.

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

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 grant for a PhD student in Biological sciences at the Faculty of Sciences of the University of Lisbon. The grant is for a 12-month contract, renewable for up to four years. Responsibilities include data compilation, field sampling, equipment maintenance, stakeholder meetings, data analysis, outreach initiatives, and scientific writing.

BI Developer needed to design, develop, and maintain BI solutions, translate business requirements into data models, and build ETL/ELT processes. Must have strong SQL skills, experience with a BI tool (e.g., Power BI, Tableau, Looker), and data modeling knowledge.

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 an interactive dashboard to visualize these indicators and use them in periodic activity reports.

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 business analytics and reporting. Partners with stakeholders to ensure alignment, accuracy, and compliance.

Research grant for graduates with a master's degree in Biomedical Engineering, Bioengineering, Biotechnology, Biochemistry, Chemistry, Biology, or related fields to support research activities on processing marine origin polymers and their biomedical applications. The grant is for 6 months with the possibility of renewal.