freelance English-speaking jobs in Valongo

Experienced Accountant needed to support the accounting management of international clients in Portugal. Responsibilities include maintaining records, preparing financial reports, and assisting with tax compliance. Requires a degree and 2-3 years of experience.

Editorial Project Manager to enhance the artistic programme at CAM – Gulbenkian Modern Art Centre. Oversee projects from planning to production, managing timelines, budgets, and external suppliers for publications.

Procurement Support handles administrative tasks, verifying order confirmations and invoices, and following up on shipments. Requires a Bachelor's degree, 3+ years in purchasing, and professional English skills.

Full Stack Engineer to design, develop, and maintain applications for a B2B platform. Requires 2+ years of experience with VueJS, PHP/Laravel, SQL, and RESTful APIs.

Master Data Specialist maintains and governs Vendor, Customer, and Finance Master Data. This role ensures data accuracy and compliance across global operations, supporting Procurement, Finance, and Order to Cash.

Area Manager to oversee multiple stores, implementing sales strategy to meet business objectives. Responsibilities include monitoring budget performance, inventory management, and supervising Store Managers. Requires over 3 years of experience in retail.

Junior Industrial Architect needed to develop design concepts and plans for industrial projects. Responsibilities include using AutoCAD and Revit for drawings and models, site visits, and client presentations. A degree in Architecture is required.

Infrastructure & Operations Engineer needed to ensure the reliability, scalability, and security of cloud platforms. Will work with Infrastructure, Platform, and Development teams to operate and improve production environments. Requires experience with Kubernetes, Linux, Windows infrastructure, cloud-native tooling, and automation.

Automation Commissioning Lead to supervise commissioning of DCS, PLC, and SCADA systems on industrial projects. This role involves leading teams, reviewing control logic, and overseeing system integration testing. Requires a degree in Electrical, Automation, or Control Engineering.

Coding specialists fluent in Portuguese (Portugal) are needed to train AI models. Responsibilities include challenging models on software engineering tasks, verifying accuracy, and documenting error traces. A bachelor's, master's, or PhD in a related field is ideal, along with real-world coding experience and technical writing in Portuguese.

Senior Data Scientist develops strategic data products using statistical approaches and machine learning. Requires 5+ years experience building production-level data products with SQL and Python.

Develop and optimize automation for M365 services, championing Infrastructure-as-Code. Requires strong PowerShell skills and expertise in automation tools and CI/CD pipelines.

Senior IT Analyst will act as technical owner of SuccessFactors Employee Central Core & Time Management solutions. Responsibilities include gathering business requirements, translating them into system configurations, and supporting maintenance, troubleshooting, and deployment of changes. Requires proficiency in SuccessFactors EC Core and Time Management solutions and fluency in English.

History and Sociology teacher needed for Lower Secondary, IGCSE, and A2-level. Must be passionate about student-centered, inquiry-based learning and experienced with international curricula. Fluent in English is required.

Android Mobile Developer role requires 3+ years of experience using Kotlin and strong software engineering best practices. Candidates must be passionate about learning, working in agile environments, and shipping high-quality code with automated tests.

Experienced front-end developer specializing in Angular is sought to design, develop, and maintain user interfaces. Requires proficiency in Angular (versions 9+), HTML, CSS, JavaScript, TypeScript, and RxJS. Must have strong problem-solving skills and fluency in English and French.

Lead the strategy and development of global data, analytics, AI, and automation platforms. Manage platform engineering, integration, and governance frameworks. Collaborate with stakeholders to identify AI and automation opportunities. Lead and develop a team of engineers.

Business Analyst to drive AI use cases, data mesh implementation, and agentic workflows. Collaborate with business and technical teams to translate requirements into solutions and ensure successful delivery.

Manage IT/OT projects within the Smart Cloud Factory, integrating IoT, cloud platforms, and AI. Define scope, governance, manage risks, and lead cross-functional teams to transform manufacturing. Requires 5+ years of PM experience.

Own product refinement end-to-end for a UK energy marketplace. This customer-facing role involves running user research, creating clear specs in Figma, and using data to track feature success.