freelance English-speaking jobs in Valongo

Coordinates all projects, monitors utility consumption, and manages the maintenance team. Ensures compliance with building codes and safety regulations. Maintains guest rooms, meeting spaces, and all hotel areas. Manages outside contractors and assists guests with maintenance requests.

Data Engineer will analyze company information to support product, sales, and marketing teams. Responsibilities include building and implementing data models, creating algorithms, and running simulations to optimize product and process development. Requires a degree in a quantitative field, 3-5 years of experience manipulating data sets and building statistical models, and proficiency in SQL, PHP, and VueJs.

Project Manager for Building Management System (BMS) deployments. Responsibilities include technical and financial project preparation, scheduling, material management, client support, and technical construction support. Requires 3+ years of B2B technical solution management experience, a bachelor's degree, native Portuguese, and good English.

Release Manager to coordinate, control, and ensure quality of release and deployment processes for Microsoft Dynamics 365. Will manage ALM processes, analyze dependencies, and ensure alignment between development, architecture, and support teams. Requires +3 years experience in release management or similar roles and proven experience with Dynamics 365 and Power Platform ALM.

Manages translation projects, prepares quotes, assigns work to vendors, performs quality checks, and reports on project progress. Requires strong attention to detail, proficiency in MS Office, excellent communication and organizational skills, and a good command of English (C1 level). Additional languages are advantageous.

The Communication Specialist executes Air Liquide Global Business Services' internal communications strategy, focusing on building a One GBS culture. Responsibilities include developing and maintaining communication tools, managing the online employee community, and handling HR and stakeholder communication.

Experienced System Analyst needed to bridge business and technical teams in the Fintech industry. Responsibilities include requirements analysis, system design, documentation, and testing. Must have 5+ years of experience, Fintech background, and proficiency in SQL, system modeling, and Agile methodologies.

Senior Automation QA Engineer will own the Playwright-based automation strategy, building and maintaining a stable, scalable testing framework for over 50 marketing landing page projects. Responsibilities include developing automated tests, collaborating with manual QA, and analyzing failed tests to coordinate fixes with developers. Requires 5+ years of QA experience, 3+ years in test automation, expert-level Playwright experience, and strong TypeScript and JavaScript skills.

Develop and implement operational processes across markets, act as Process Owner, and define requirements for VT OSS Systems. Identify and engage infrastructure suppliers, develop resilience and BCM strategies, and drive operational readiness for new products and services. Lead global projects, ensuring alignment between departments and local markets.

The Digital Experience & Content Strategist ensures a high-quality, consistent, and guest-centric digital experience across Scenic and Emerald websites and mobile apps. This role supports website content operations, publishes and manages app content, and ensures cross-brand alignment. The role also focuses on improving digital experience quality, validating analytics implementation, enabling SEO and content discoverability, and driving clarity, consistency, and operational excellence.

Provide customer support via phone, email, and social media, resolving inquiries and requests. Must be fluent in French and English, possess strong communication skills, and demonstrate a friendly and helpful demeanor.

Manages and oversees outsourced accounting services and providers, ensuring compliance with regulations and internal standards. Leads onboarding projects for new partners and conducts performance reviews. Tracks partner performance, defines KPIs, and drives continuous improvement initiatives.

Key Account Manager to manage strategic international accounts for a global SaaS provider of telecommunications software solutions. Requires 10+ years of experience managing international tier-1 customers, selling complex software, and operating in an international account environment. Must be open to flexible hours to support US-based customers.

INESC MN is seeking a First Stage Researcher (R1) to support the MagTecSkin project. The grant-funded position involves supporting research activities related to magnetic sensor chip microfabrication and testing. Applicants must be enrolled in a Bachelor's degree in physics or electronic engineering and have basic knowledge of magnetic sensors. Preference given to candidates with experience in thin film device microfabrication, electronic interfaces, or scientific graphic output.

Digital Marketing Optimization Specialist needed for a leading outsourcing consultancy in Lisbon. Implement optimization solutions, analyze data, and create reports to support strategies across Search, Search Network, Mobile, and Video. Must be native German speaker, fluent in English, and have 1-2 years of experience in digital marketing roles.

The Institute of Mechanical Engineering (IDMEC) is seeking a PhD student for a Research Studentship within the STAMP-IT Project. The position focuses on manufacturing and industrial management, with a specific emphasis on hybrid manufacturing and metal forming processes. Applicants must hold a Master's degree in Mechanical Engineering with a specialization in Production and relevant experience in areas such as machine tools, metrology, mechanical characterization, data acquisition systems, and additive manufacturing.

Junior Frontend Engineer needed for website maintenance, optimization, and new feature development. Requires 2 years of experience, proficiency in React, and knowledge of testing, debugging, and web security.

Project Manager will support the planning, execution, and completion of projects within EY. Responsibilities include defining project requirements, managing budgets and timelines, tracking progress, and mitigating risks. Must have 2-4 years of project management experience and proficiency in project management tools.

Backend Developer will design and implement robust APIs and data systems for complex accounting processes. Responsibilities include architecting backend services, bridging AI and data, and owning technical implementation. Requires 7+ years of experience in backend development, strong proficiency in and TypeScript, and extensive experience with PostgreSQL.

Customer Service Representative needed for multilingual support team. Provide customer support via email, phone, and chat in German or French. Resolve customer issues and ensure satisfaction.