freelance English-speaking jobs in Valongo

Data Business Analyst (Pricing) will translate business objectives into analytical requirements and data product concepts. Collaborate with business domain experts and data engineers to co-create data products, identify datasets, and define metrics. Requires 5+ years of experience as a Data Business Analyst, proficiency in PowerBI, strong SQL skills, and basic Python experience.

This role focuses on delivering recruitment and talent acquisition services for international clients in the German- or Dutch-speaking markets. Responsibilities include attracting candidates, conducting interviews, onboarding new employees, and maintaining reports and databases.

Bilingual Copywriter (Portuguese/English) needed to train AI models. Evaluate chatbot performance, solve problems, and write novel conversations to improve AI quality. Fluency in Portuguese and English required.

Facilitates agile delivery for a modernization program, ensuring Scrum principles and best practices are followed. Guides the development team through sprints, removes impediments, and collaborates with stakeholders.

Product Designer to develop creative concepts, create 2D/3D CAD models, and lead projects through concept and design phases. Collaborate with clients, internal teams, and suppliers to ensure design accuracy and quality.

Asphalion is growing and we are looking for a Regulatory Affairs Senior Officer to join our CMC unit of consultants for the pharmaceutical industry! Someone who loves to take on new challenges, to work in an international environment and who wants to grow with us! Main responsibilities:Global CMC writing/management of product specific dossiers (Mod. 2/Mod.

Lead performance-driven TV investment strategy and optimization across markets, managing a €25M annual budget. Develop and execute testing strategies, optimize spot and placement, and analyze performance data to drive revenue growth.

Manage and grow client relationships while overseeing advertising campaign delivery. Act as the primary point of contact, ensuring campaigns meet quality standards and deadlines. Collaborate with creative, media, and production teams to translate client needs into actionable briefs.

Leads the strategic evolution of technology infrastructure and drives operational excellence. Combines engineering expertise with visionary leadership, overseeing critical infrastructure initiatives.

Accounts Payable Specialist will handle day-to-day accounts payable operations including invoice processing, account reconciliation, and payment discrepancy resolution. Requires strong attention to detail, organizational skills, and understanding of accounting principles.

Full-Stack Developer with 9+ years of experience in C# and WPF/Windows Forms sought for a project in Porto. Experience with SQL Server, Blazor, Selenium, NUnit, Jenkins, Elastic/Kibana, SonarQube, Checkmarx, XLDeploy, XLRelease, Control-M, Jira, and Confluence is required. Strong problem-solving and communication skills are essential. Proficiency in English (B2 minimum) is necessary.

Lead AI solutions delivery end-to-end for clients, from discovery to production. Build AI agents, automations, and workflows, and drive client relationships. Must be technically fluent in APIs, workflows, and AI agents, comfortable with code, and a problem solver.

Project Manager to deliver AI upskilling programs for corporate clients. Manage training initiatives end-to-end, translating commercial commitments into structured execution plans and ensuring smooth operations.

Develop sales strategies, refine processes, and implement initiatives to support business growth. Provide support and analysis for business reviews, manage backlogs, and deliver first-line support to eTailers. Manage sample orders, customer data, and quality support for special handling requests.

Drives product strategy for Prospect Data Solutions and Prospect Data Science Integrations, focusing on transforming prospect data into compelling business cases and automated proof-of-concept demos.

Senior Frontend Developer needed for a project in Porto. Requires 5+ years of software development experience, strong Angular and/or TypeScript proficiency, and fluency in English. Familiarity with Java is a plus.

Full Stack PHP Developer to design, implement, and maintain scalable applications using PHP, Symfony, MySQL, and related technologies. Collaborate with a team using Agile methodologies and Git. Requires 5+ years of software development experience and proficiency in HTML, CSS, JavaScript, and OOP principles.

Accounting Technician needed to manage communications, support financial processes, review financial activities, and prepare reports. Must be a certified accountant or tax law specialist with strong analytical and problem-solving skills.

Experienced COBOL Developer needed for mainframe environments. Solid knowledge of COBOL, JCL, DB2, CICS, VSAM, Telon, and XML required. Familiarity with TSO/Eclipse and Changeman for development and deployment. Fluent in English, French a plus.

Associate Facility Manager will assist in managing daily facility operations, ensuring reliability, maintenance, and safety of building systems. Responsibilities include supervising staff, contractors, and vendors, executing preventive and corrective maintenance, and responding to facility emergencies.