freelance English-speaking jobs in Valongo

Strategic PMO will design and implement a data-driven operating model across the organization's service offering. Responsibilities include systemizing services, introducing AI and automation, owning utilization and margin, building governance, and establishing feedback loops.

As a Waiter/Waitress, you will provide personalized service, ensuring guest comfort and satisfaction. You will greet guests, escort them to tables, and monitor dining areas. Strong communication, attention to detail, and a commitment to quality service are essential. Fluency in English is required, additional languages are an advantage. Previous experience in luxury hotels or restaurants is preferred.

Operational Risk Officer ICT Specialist needed for a national project. Will supervise IT&Cyber risks, report risk profiles, and lead independent testing missions. Requires a Bachelor's degree in a related field, 3+ years of experience in technology risk assessments, and fluency in English.

The Gulbenkian Institute for Molecular Medicine seeks an Assistant to the Boards to provide support to the Executive Committee, Board of Directors, and Board of Trustees. Responsibilities include managing documentation, coordinating agendas, preparing for meetings, and providing administrative support.

French-speaking Customer Advisor needed to provide omnichannel support, manage client applications, and build relationships. Must be fluent in French (C1/C2 level) and reside in Braga or the immediate metropolitan area.

PwC seeks a Forensic Services professional to evaluate and implement fraud prevention controls, conduct forensic audits and investigations, and strengthen ethical environments within organizations.

Principal Data Architect to shape a modern, cloud-native data and AI platform. Define architecture for large-scale data processing, analytics, and machine learning. Design, implement, and optimize data systems, pipelines, and models. Collaborate with cross-functional teams to drive innovation and data-driven decision-making.

Provides support in advisory, training, communications, reporting, and procedural tasks relating to compliance systems within EMESA. Contributes to the promotion of the compliance function as a trusted advisor and supports the System Commercial Advisory through the evaluation of complex clients and/or topics. Tracks the local adaptation and implementation of risk mitigating measures and acts as a key point of contact for local system staff on all compliance topics. Supports day-to-day tasks relating to compliance programs and assists with operational tasks related to compliance training and communication exercises. Receives compliance related information and collates it into timely reports. Assists with compliance risk identification and compliance risk reporting. Performs data validation and integrity checks on compliance datasets. Supports bottom-up compliance risk identification exercises. Assists project teams with ensuring compliance considerations are identified and recorded.

The Centre for Environmental and Marine Studies (CESAM) at the University of Aveiro invites applications for Marie Skłodowska‐Curie Actions Postdoctoral Fellowships (MSCA‐PF) 2026. Open to researchers of any nationality with a maximum of 8 years full‐time equivalent research experience post‐PhD, applicants must not have resided or conducted their main activity in Portugal for more than 12 months in the 36 months before the call deadline. CESAM offers a vibrant research community dedicated to addressing critical environmental and marine challenges.

Provides specialist knowledge to support achievement of divisional and corporate goals. Advises and supports the European organization and customers on invoicing, cash application, invoice disputes, and collections. Leads initiatives to optimize customer experience and bad debt.

Black Cat Cinema seeks a Wix-experienced designer for a website refresh project. The role involves applying new branding across the site, with minor structural adjustments as needed.

Senior Electrical Engineer to design and deliver electrical systems for mission critical infrastructure projects. Requires 8+ years of experience, including 5+ years in mission critical projects, and registration with Ordem dos Engenheiros. Must have expertise in low, medium, and high-voltage power systems, substations, and energy efficiency practices.

UI Developer with 4-5 years of experience building high-quality JavaScript applications using ReactJS and Typescript. Experience with JavaScript test tools, packaging/build tools, and server-side Javascript (NodeJS) is required.

This Data Analyst, Growth role focuses on turning complex growth marketing data into actionable insights to accelerate client acquisition, onboarding, retention, and support leadership decisions. Responsibilities include designing dashboards, automating data solutions, analyzing datasets, and leading A/B testing frameworks. The ideal candidate has 7+ years of data analysis experience, deep knowledge of growth marketing KPIs, and strong SQL and Python skills.

Leads financial planning processes, develops budgets and forecasts, and collaborates with senior management. Analyzes financial data, tracks reports, and manages a team of FPA and P2P professionals.

Software Engineer (C++) to design, develop, and deliver desktop product solutions. Responsibilities include writing clean, efficient, and testable C++ code, developing automated tests, and collaborating with a team to improve technical solutions. Experience with CI/CD practices, test-first development, and object-oriented programming is required.

Manages and drives commercial activity for a portfolio of agents, ensuring sales targets are met and compliance with procedures. Audits, trains, and implements projects to improve agent team efficiency and performance. Participates in promotional campaigns and product launches.

Data Architect (Functional) needed for international banking project. Design and maintain data models, ensure data quality and governance, and support project teams on data-related topics.

Senior Retention Manager to own results and relationships for 4-5 high-value Shopify brands. Develop advanced retention strategies, write copy, and mentor team members. Requires 4+ years Klaviyo experience and expert-level retention strategy skills.

Leads and manages large-scale, complex data center projects from feasibility through completion. Develops project strategies, plans, and budgets. Monitors progress, manages risks, and prepares reports.