freelance English-speaking jobs in Valongo

Polixis seeks a Sales Executive (Mid-Senior level) to drive new business across Europe. This role involves developing and executing a sales strategy, leveraging an existing network within Risk & Compliance to generate qualified opportunities, and managing the full sales cycle.

Influencer Marketing & Social Media Specialist will scale brand presence through strategic partnerships. Responsibilities include leading agency relationships, overseeing campaign execution, and managing influencer budgets. Requires 3+ years of experience in social media and influencer marketing, agency management expertise, and bilingual proficiency in English.

Investment Risk Manager will report to the Board, ensuring risk management aligns with strategic objectives. Responsibilities include identifying, assessing, and mitigating investment risks across multiple funds, developing risk frameworks, and monitoring market, credit, liquidity, and operational risks.

Senior FP&A Analyst will support strategic decision-making, financial planning, performance analysis, and reporting. The role involves monitoring P&L performance, preparing management reporting, participating in forecast and budget cycles, and analyzing profitability and cost trends.

Inventory Specialist will manage inventory levels, forecast demand, and coordinate shipments. Responsibilities include using AI tools for forecasting and reporting, analyzing product costs and supplier relationships, and optimizing inventory and purchasing processes.

SAP Technical Consultant with 5+ years of experience in SAP TM configuration, integration, and customization. Requires ABAP knowledge, experience with global IT solution design and implementation, and fluency in English.

Manage and support Payward Services infrastructure, including Nomad, Kubernetes, databases, and third-party integrations. Provide operational support, participate in incident response, and consult on performance and monitoring best practices. Build tooling and automation to improve observability and streamline development cycles.

Global Support Intern to manage customer dissatisfaction cases, contribute to reputation protection, and analyze service issues for improvement.

Design and implement automation solutions using Microsoft Power Platform, focusing on Power Automate Studio and Copilot Studio. Develop scalable workflows and applications aligned with business needs.

The Key Account Manager – On Trade develops and implements Joint Business Plans with strategic On Trade customers in Portugal. The role manages customer relationships, leads negotiations, and ensures alignment between commercial and brand strategies. The Key Account Manager is responsible for customer performance and P&L management, driving growth across distribution, pricing, portfolio expansion, and activation.

Senior QA Engineer to shape quality strategy and design, build, and maintain test automation for live mobile games. Build internal testing tools and optimize testing processes. Partner with developers to drive quality throughout the development lifecycle. 5+ years of QA experience with a focus on automation and tooling. Bachelor's degree in Computer Science or related field.

Supports end-to-end billing for Kantar customers, ensuring accurate, timely, and compliant invoices. Works with third-party partners and colleagues to improve billing processes and resolve queries.

Provides vehicle maintenance and cleaning support for campervans. Assists customers with pick-up and return procedures. Supports station team with daily tasks. Requires a driving license, Portuguese (ideally native) and English communication skills. Part-time position (20 hours/week).

Junior Mechanical Design Engineer will research, design, develop, and customize mechanical systems and components. Requires a degree in Mechanical Engineering, 1-3 years of experience, proficiency in CAD software, and strong knowledge of engineering principles.

IT Helpdesk professional to provide 1st level technical support for software, applications, cloud infrastructure, Android systems, and network issues. Troubleshoot, monitor system performance, perform maintenance, and document support activities. Oversee laboratory operations, ensuring safety standards, equipment maintenance, and compliance with regulations.

Lead and accelerate Critical Software's growth in the Energy domain. Define and drive a business development strategy, build relationships with key stakeholders, and shape long-term client growth initiatives.

Senior Accountant to manage full-cycle accounting under Portuguese GAAP (SNC) for international entertainment and live events operations. Responsibilities include financial reporting, MIBC compliance, tax filings, and strategic financial advice.

Supervises and coordinates multiple contracts from order to commissioning. Ensures accurate data for procurement and manufacture. Manages contractual and commercial requirements, liaising with customers, suppliers, and subcontractors.

Environmental Compliance & Reporting Specialist will monitor environmental legislation, analyze environmental documentation, and handle reported incidents. The role involves managing energy and water consumption data, preparing reports, and ensuring compliance with regulations. Requires an academic background in environmental engineering and up to 3 years of relevant experience.

Develop and maintain data pipelines, execute ETL processes, and extract data via APIs and databases. Implement and optimize data workflows, ensuring efficiency and data quality. Support data management and engineering processes.