freelance English-speaking jobs in Valongo

Direct Response Creative Strategist needed for performance marketing agency. Develops creative strategy, writes native ads and advertorials, manages Meta accounts, and optimizes campaigns. Requires direct response experience, Meta media buying skills, and a research-first mindset.

Project Manager needed for energy sector projects. Master's degree in Electrical Engineering and 5+ years of experience required. Experience in energy facilities (generation, distribution, transmission, storage) is valued. Strong project management skills, including budget control, risk management, and stakeholder communication are essential. Fluent English required.

QA Automation Engineer needed to design, implement, and maintain automated end-to-end tests using Playwright. Collaborate with development teams to define test strategies and integrate automated test suites into CI/CD pipelines.

Designs, builds, and operates automated processes on the Celonis platform to resolve customer cases. Develops data models, pipelines, and automations, integrating with Flix backend systems and AI-driven customer contact channels. Owns and ships solutions handling transactions at scale, ensuring reliability, scalability, and error handling. Collaborates with business users, data analysts, and IT engineering. Documents technical and data requirements and ETL and automation work. Requires 3+ years of experience building production automations on process orchestration platforms, strong SQL and data modeling skills, and experience with enterprise systems and integrations.

Reckitt seeks a Global Insights & Analytics Junior Analyst to gather and interpret data, collaborate on market research, and craft compelling reports. The ideal candidate has a background in a scientific discipline and experience with data analysis tools.

This role involves owning and leading the definition, execution, and maintenance of end-to-end product flows for merchants across all Riskified's commercial use cases. You will work closely with Engineering, Product Design, Data, and BI teams to translate complex challenges into scalable product solutions. You will also partner with GTM and Account Management teams to drive product adoption and support growth, retention, and expansion goals.

Leads, optimizes, and analyzes CRM channels (Email, SMS, Online Messaging, Loyalty, Advocacy). Manages email broadcast and automated campaigns, ensuring a consistent customer experience. Analyzes campaign performance, identifies trends, and contributes to A/B testing. Collaborates with stakeholders across CRM, Marketing, and Country teams.

Finance & Investment Intern to support real estate investment lifecycle from sourcing to post-acquisition management.

Assistant Store Manager to support daily store operations and drive sales. Transmits brand passion to the sales team, manages customer experience, and ensures operational procedures are followed. Requires previous fashion retail experience and fluency in English.

Learning and Development Coordinator to manage training programs, administer sessions, and monitor training effectiveness. Requires a Bachelor's degree in Human Resources or related field, 3-6 years of experience, and proficiency in Microsoft Office and LMS.

Human Resources Officer to support a range of people initiatives, including training and development, recruitment, performance management, and employee engagement. Will contribute to a strategic migration to SAP and ensure compliance with legal and regulatory requirements. Requires a degree in a related field, 2+ years of generalist HR experience, and proficiency in English and Spanish.

Provide on-site system administration support for a banking client in Porto. Requires a Bachelor's degree in Computer Engineering or related field and 5+ years of experience in Windows systems administration, including Active Directory, Exchange, Office 365, Veeam, Symantec SEP, Cisco wireless networks, and Fortigate firewalls.

Software Craftsperson to design, develop, and improve production systems using Node.js, React.js, and AI tools. Full-stack ownership, continuous improvement, and collaboration are key. Requires 1.5+ years of experience and strong engineering fundamentals.

Leads Ayming's HR IT program, driving its transformation from 2027 to include Finance IT applications. Manages Workday HCM deployment milestones, coordinates with integrators and internal teams, and ensures data quality. Facilitates steering committees and escalates blockers. Expands scope to include Finance IT applications, mapping and rationalizing the HR application landscape.

Technical Engineer provides Level 3 Production Support for critical applications and infrastructure. Ensures production stability and operational excellence. Supports infrastructure and cloud transformation initiatives. Collaborates with multidisciplinary teams in a cloud-driven environment.

The Junior Accountant supports accounting and tax operations, ensuring accurate transaction recording and compliance. The role assists with month-end and year-end closing procedures and maintains financial archives.

Quantity Surveyor to prepare cost estimates, budgets, and tender documentation. Manage project costs, variations, and valuations. Support commercial management activities and liaise with clients, consultants, and subcontractors.

AI Strategist will guide enterprise leaders on AI transformation, partnering with Account Executives, Product, and Delivery to develop process designs, business cases, and deployment strategies.

Electrical Engineer (Expert) to design electrical installations, telecommunications, security systems, and BMS for national and international projects. Must have a Master's degree in Electrical and Computer Engineering and 10+ years of experience.

Provide technical support to customers via phone and email, resolving issues and ensuring customer satisfaction. Fluent Italian (C2) and English (B2) required. Minimum 1 year of technical support experience necessary.