freelance English-speaking jobs in Valongo

Leads multiple IT initiatives within Corporate Functions, overseeing delivery across development, QA, and support teams. Drives excellence in software delivery, quality, and innovation across three international hubs. Champions AI tool adoption and modern engineering practices.

German-speaking Customer Service Advisors provide phone, email, and chat support to customers. Fluency in German and English is required.

Develop and implement automated testing solutions for heat pump systems and components. Design test bench interfaces and perform functional and performance testing. Analyze test data and contribute to the improvement of laboratory equipment and test infrastructure.

Operational leadership and management of the Portugal Hub in Porto. Hands-on coordination of day-to-day operations with a focus on practical execution. Leadership of local office and field teams, including MCE and rotor blade service teams. Coordination with German headquarters and external partners. Proven experience in the wind energy sector, ideally in operational service business. Fluent in Portuguese and English. Strong hands-on mentality and willingness to take responsibility.

Manage and nurture relationships with publishing partners, optimize campaigns, and identify revenue maximization opportunities. Coordinate with internal teams, monitor KPIs, create reports, and develop strategies to enhance publisher satisfaction and campaign success.

EDP seeks a Materials & Supply Chain Specialist to join the Logistics team. The role involves monitoring material requirements, analyzing consumption data, and identifying supply chain risks. The specialist will develop risk mitigation plans, monitor performance indicators, and propose process improvements. Collaboration with Procurement, Logistics Operations, and other stakeholders is essential.

Performance Management Expert needed to design and own a continuous performance management system for a 38-person team. The system will utilize data from various sources, automate grading across three axes (results, skills and AI leverage, teamwork), and provide individual and team dashboards.

AI Implementation Specialist will design, build, and deploy AI-powered systems for a B2B client. Responsibilities include architecting lead generation systems, implementing CRM automations, and translating business problems into scalable AI solutions. Requires 3+ years of AI implementation experience with tools like OpenAI, Make, Zapier, n8n, and CRM platforms.

Content Moderator needed for a major global social media platform. Review, analyze, and moderate video content, ensuring compliance with community guidelines. Native or C2-level fluency in Italian and a solid working command of English required.

Senior Lead Cost Manager to join the Data Centre team in Lisbon. Responsibilities include cost management liaison, pre and post-contract duties, feasibility studies, tendering, cost planning, and reporting. Requires a degree in Quantity Surveying, Engineering, Construction Management, or related field, plus 7+ years of experience leading cost management on medium to large Data Centre projects. Solid exposure to MEP and CSA packages is required. Proficiency in Portuguese and English is essential.

Drive innovation in post-training methodologies for agentic behaviors and tool use in AI models. Refine pre-trained models to enable reasoning, planning, and autonomous tool invocation for real-world applications.

Provide technical and service support to customers in Dutch and English via phone, email, and chat. Troubleshoot issues and deliver a high-quality customer experience.

Lead the development and building of software applications addressing complex business and technology problems. Guide a diverse engineering team through the entire engineering life cycle, designing, developing, optimizing, and deploying software engineering solutions. Translate business problems into technical roadmaps and shape product direction, operating model implications, and change management approaches.

Financial Controller for a renowned bank, responsible for performing quarterly closing controls and ad hoc assignments across EMEA branches and entities.

Mid-Level Backend Developer to build and evolve the core system powering health insurance for long-term travelers. You'll work with Kotlin, a custom event-sourced framework, and AI-agentic development tools. Experience with complex backend systems, event sourcing, and AI-agentic development is required.

IT Business Analyst providing operational support for Process Unity tools and systems. Resolves IT issues, tracks tickets, and delivers Business Analyst support in a BAU environment. Requires a Bachelor's degree and experience in financial or risk-related IT support. French language skills are a plus.

Develops and maintains corporate systems using the webMethods platform, integrating applications, APIs, and databases. Creates integration flows, services, and automations to ensure efficient information exchange. Monitors, supports, and optimizes integrations.

Senior HTML/Markup Developer to join a development team in Lisbon. Develop efficient, fast, and adaptive layouts of interfaces. Collaborate with developers and web designers. Requires 5+ years of experience as an HTML coder with excellent knowledge of HTML and CSS.

Develop and maintain ADOC application, processing 6 million digital pages annually. Support application functionality, resolve incidents, and improve workflows. Requires Kofax TotalAgility & INSIGHT knowledge (certification preferred), French and English proficiency.

Aubay Portugal seeks French-speaking IT professionals for current and future projects. Roles include Business Analyst, Data Analyst, Application Support, Senior Java and Angular Developer, Cobol/Mainframe Developer, and other IT profiles. Must be proficient in French and English and authorized to work in Portugal.