freelance English-speaking jobs in Valongo

Co-Founder to build and lead the commercial side of ZAXIA, a real-time operational intelligence platform for hotels. Focus areas include go-to-market strategy, securing pilot partners, and fundraising.

Industrial Electrician needed for international projects across Europe and globally. Install, assemble, and dismantle electrical components and equipment. Must have a valid electrical diploma/certification and 1+ year of industrial electrical experience. EU work authorization required.

The University of Madeira seeks an Assistant Professor in Design, specializing in Communication, Service, or Interaction Design. Applicants must hold a PhD in Design or a related field and demonstrate teaching, research, and academic service experience.

Design and implement scalable AWS-based data architectures, leading data migration and optimization initiatives. Build and manage infrastructure using Terraform. Manage large datasets, orchestration workflows, and CI/CD pipelines.

Sales Representative to develop business in Lisbon and surrounding areas for a leading brand in invisible orthodontics. Responsibilities include new business development, client relationship management, and participation in industry events. Previous sales experience, strong communication skills, and Portuguese and English fluency are required.

Support international customers of leading brands via chat, email, or phone. Fluent in Swedish, Norwegian, Finnish, Danish, Dutch, German, French, or Swiss German required. Strong communication and customer service skills needed.

Research grant for a Master's degree in Sociology, Geography, or related fields. The successful candidate will assist with research projects, conduct analyses, participate in data collection, and contribute to scientific writing and dissemination.

Office Manager & Administrative Specialist will support the Portugal office and Tax Department. Responsibilities include managing office operations, providing IT support, assisting with client matters, and supporting tax processes. Fluent English and Portuguese required.

Campaign Manager needed to create and optimize online advertising campaigns. Requires 2+ years of experience in a related role, analytical skills, and fluency in English. Experience with Meta Ads, Google Ads, or similar platforms is a plus.

Senior IT Project Manager with strong technical background to lead complex technology infrastructure, cybersecurity, and digital transformation projects.

Middle-level Application Support professional with 3+ years of experience in AS400 technology. Solid experience in Application Support, including client interaction, incident logging, troubleshooting, reporting, and escalation. Requires strong analytical and problem-solving skills, knowledge of SQL and ITIL best practices, and fluency in French and English.

Customer Quality Technician ensures customer satisfaction by managing quality-related activities and securing compliance with product specifications. This role involves monitoring process quality, handling customer non-conformities, and preparing quality reports.

Junior .NET Software Engineer to contribute to the design, development, and maintenance of .NET applications and services within a microservices environment. Will build features, learn distributed systems, and collaborate with product, QA, and engineering teams. Requires a degree in Computer Science, Engineering, or similar, 1+ years of experience, and practical experience with C# and .NET Core / .NET 6+.

This Internal Audit & Compliance Officer position ensures UIP's (and its subsidiaries) compliance with legal provisions, regulations, and industry standards. Responsibilities include monitoring applicable laws, drafting and enforcing internal policies, identifying compliance risks, conducting audits, and supporting training programs.

Lead the end-to-end Analytics ecosystem, ensuring accurate and GDPR-compliant data collection across web and mobile platforms. Drive actionable insights through the Google Marketing Platform and related tools. Translate data into strategic decisions and ensure best practices across the analytics landscape.

Senior iOS Developer needed for a product team building a native iOS application using Swift, SwiftUI, and TCA. Must have expert-level Swift and SwiftUI skills, hands-on experience with TCA, and a deep understanding of Clean Architecture. Requires proven experience in Agile environments and strong communication skills. Hybrid work model with one day per week in Porto office.

Provides onsite technical support for desktop and laptop systems, including troubleshooting, IMAC activities, and software management. Manages the full lifecycle of desktop devices and supports printers, scanners, and peripherals.

Experienced Data Scientist to design and execute analytical and machine learning solutions. Requires 3+ years of experience, a degree in a related field, and strong Python, SQL, and ML model building skills.

Software Test Automation Engineer to design, write, and maintain automated test scripts. Experience with automation frameworks (Selenium, Cypress, Playwright, Robot Framework) and AI testing tools required.

Nina - Brunch & Speciality Coffee is hiring for two roles: Restaurant Manager and Shift Lead / Floor Supervisor. The Restaurant Manager will lead the growth of the concept, while the Shift Lead will oversee daily service, guest experience, and team coordination. Both roles require fluency in English and Portuguese.