freelance English-speaking jobs in Valongo

Leads and develops the Product Design function, focusing on simplicity, usability, and customer outcomes for solopreneurs and micro-businesses. Ensures design is deeply embedded in problem definition, product strategy, and delivery of coherent experiences. Advances AI-enabled design practices to increase speed and improve outcomes. Owns and evolves the design system, balancing consistency, scalability, and innovation. Leads, coaches, and grows a senior Product Design team.

The Regional Marketing Manager Molecular (SPOTFIRE POC) - EMEA develops and executes the EMEA marketing strategy for the SPOTFIRE product line. This role translates global marketing plans into regional programs, optimizes product performance, and supports country teams in driving commercial impact. The position requires 3-5 years of marketing experience in the IVD sector, strong analytical skills, and fluency in English.

Activation Performance & Tracking Manager will analyze campaign performance across European markets, track website activity, and build reporting structures. Requires experience in digital marketing, proficiency in Google Analytics and Looker Studio, and strong communication skills.

Manage and optimize paid online advertising campaigns for the Dutch market. Analyze performance data, develop keyword strategies, and collaborate with internal teams.

Leads and manages the group accounting function, ensuring accurate financial reporting across Portugal, UK, and USA entities. Oversees accounting operations, implements internal controls, and prepares consolidated financial statements.

Luxe Talent seeks a Key Account Executive to manage and develop relationships with key clients in Asia. The role involves coordinating communication, ensuring client satisfaction, and supporting account planning for a global fashion and textile accessories company.

Provide customer service to clients via phone and email in German. Assist customers with inquiries, suggest services, and process requests. Must have a high level of German (C1 written and oral).

DevOps/SRE engineer to support and develop key infrastructure components. Responsibilities include adapting infrastructure using IaC/CasC, deploying new clusters, and improving observability. Requires strong Python or Go skills, experience with Kubernetes, and cloud services like AWS.

Lead Software Engineer will design scalable backend services, mentor engineers, and build features using best-practice software development standards. Requires 8+ years of software development experience, at least 2 years in a technical leadership role, and proficiency in C# .NET, Java, Go, relational and non-relational databases, and cloud systems.

The Order-to-Cash (OtC) Specialist will deliver and manage end-to-end OtC processes, working with a team and a global BPO partner. Responsibilities include ensuring compliance with accounting standards, policies, SOX, and statutory requirements, supporting process improvement initiatives, and collaborating with stakeholders. The Specialist will work within a regional scope, overseeing service delivery from the BPO partner and collaborating with Organon Customers and Organon Markets.

The University of Coimbra seeks a First Stage Researcher to support a project focused on developing an AI-based software solution for automatic container recognition in dry ports.

Product Development Technician to assist in developing new products from concept to industrialization. Prepare technical drawings, prototypes, and documentation. Support analysis of technical and functional requirements. Collaborate with various teams and ensure compliance with standards.

Senior Digital Marketing Specialist focused on Google Ads optimization for high-value clients. Requires C1 level German, strong analytical skills, and 1+ year of Google Ads experience.

DevSecOps Platform Engineer will design, maintain, and troubleshoot distributed systems. Manage security issues related to the platform, CI/CD pipelines, and development tools. Develop and maintain tools to support the development environment on MacOS and Linux.

Lead and scale the digital design organization, translating specifications into RTL implementations and overseeing end-to-end design execution for SoCs. Drive quality, innovation, and collaboration across multiple silicon programs.

Project Manager to support global healthcare projects. Responsibilities include coordinating cross-functional teams, managing timelines and budgets, and ensuring compliance with organizational standards. Requires 5 years of related experience, a Project Management Certification, and proficiency in English.

Customer Support Engineers provide technical support for the Onfido product suite. They investigate, debug, and resolve customer issues, collaborate with product teams on product improvement, and contribute to knowledge base documentation.

Head of Marketing Operations will drive growth strategies and branding for the Dutch website. Responsibilities include identifying influencers, translating content, and collaborating on content creation. Native Dutch speaker required with strong digital marketing and communication skills.

Manage end-to-end projects for the DSV Employee Central team, implementing new functionality in SAP SuccessFactors. Collaborate with P&O and IT stakeholders to gather business requirements and ensure compliance with data regulations.

As a Talent Acquisition Specialist – IT & Data, you will execute end-to-end recruitment processes for IT, Data, and Digital roles across international markets. You will source, assess, and close talent, working closely with hiring managers and stakeholders.