freelance English-speaking jobs in Valongo

Build and run the operating system for the engineering organization, owning leadership cadence, OKR/QBR cycles, and decision tracking. Drive cross-team initiatives and synthesize complex inputs for the CTO and executive team. Fluent in English and Russian.

Senior Team Lead Category owns a core product category, defining global strategy, portfolio architecture, and innovation roadmaps. This cross-functional role connects consumer insight with business priorities across R&D, Marketing, and Finance.

Experienced Senior Project Manager needed to lead medium to large Staff Augmentation projects. Requires 4+ years in Software Project Management, Agile knowledge, and a relevant Bachelor's degree.

The Administrative, HR & Finance Officer supports administrative, HR, and financial operations. Responsibilities include office management, recruitment, HR administration, financial tasks, and compliance. Requires a minimum of Bac +2 with 5+ years of experience in related fields, proficiency in MS Office, and fluency in Portuguese.

Senior Medical Writer prepares medical publications, abstracts, and scientific communications for internal and external clients. This role requires extensive experience in creating peer-reviewed medical publications and strong analytical skills.

Senior Mechanical Engineer/Lead acts as the Developer's representative for MEP matters. Responsibilities include design review, coordination, procurement support, construction monitoring, and commissioning for complex building projects. Requires a Mechanical Engineering degree and 8–12 years of relevant experience.

Senior Test Engineer drives test equipment performance, program validation, and yield improvement. Own and optimize electrical test systems to ensure product quality and manufacturing efficiency. Requires a relevant degree and 3+ years of experience.

Plan, deliver, and assess high-quality learning for primary students. Responsibilities include curriculum design, teaching staff management, and overseeing student progress in a safe, inclusive environment. Requires a Bachelor's degree and teaching experience.

Activation Performance & Tracking Manager develops and maintains tracking frameworks for digital activation and website performance across European markets. Responsibilities include analyzing campaign data and building reporting structures using tools like Google Analytics and Looker Studio.

Highly organized Personal Assistant needed to support leadership. Responsibilities include calendar management, scheduling, administrative support, and stakeholder coordination. Requires strong communication, discretion, and proficiency in Microsoft Office.

Sr. Specialist GPS Product Supply Interface focuses on data management to secure business availability. Responsibilities include developing analytical solutions in Power BI and translating commercial needs into supply chain requirements. Requires 3+ years in analytics or supply chain.

Junior Investment Analyst role at an independent Private Equity and Venture Capital firm. Responsibilities include research, financial analysis, building valuation models, and supporting transaction materials. Requires a degree in Management, Economics, or Engineering.

Manage and grow affiliate relationships, oversee onboarding, and monitor performance. Analyze results to optimize campaigns and recruit new partners. Requires 5+ years in affiliate marketing and strong analytical skills.

Experienced Team Manager needed for Compliance & Risk Management in financial services. Lead a team, ensure regulatory compliance, and manage operational risks. Requires 1+ year team management experience and fluency in English and French.

Seeking a motivated Part-Time Sales Representative in Faro. Responsibilities include promoting and selling products, maintaining client relationships, and achieving sales targets. Must have excellent communication skills and be self-motivated.

Junior Accountant role assisting with financial record maintenance and statement preparation. Responsibilities include recording transactions, reconciling accounts, and managing A/P and A/R. Requires a degree in Accounting or related field and proficiency in accounting software.

AI Red Team Testers design prompts and scenarios to probe AI model weaknesses. You will attempt to elicit unsafe or biased outputs, documenting failure modes and rating issue severity. Strong written communication is required.

Seeking an Infrastructure Network Security and IA professional with 3-5 years of experience. Requires expertise in firewall technologies (Checkpoint, Fortinet), network service providers, and Data Centre infrastructure. Python knowledge is a plus.

Skilled Bid Manager needed to lead tendering for public sector and corporate RFPs. Responsibilities include bid strategy, writing compliant content, and managing the end-to-end process. Requires 1 year experience, English fluency, and knowledge of language services.

This role involves structuring and maintaining TDDI demand and project portfolios. Responsibilities include running data quality checks, providing portfolio analysis, and enforcing Value Management frameworks. Requires 2-4 years of experience.