freelance English-speaking jobs in Valongo

We are recruiting Customer Support Specialists (m/d) to join our client’s operation in Porto. Main responsibility: Support customers throughout the process of selling and buying cars on the online platform, ensuring a clear and efficient experience.

Senior Talent Acquisition Partner to support EMEA go-to-market and sales hiring. Full-cycle recruitment, data management, and partnership with hiring managers. Hybrid role in Lisbon (3 days/week in office).

Vista Global seeks an Aviation Auditor to perform quality oversight and vetting of third-party vendors. The role ensures compliance with Vista's quality standards and involves onboarding new operators, updating databases, and addressing other duties as needed. Auditing experience, excellent communication skills, and proficiency in Microsoft Office are required.

Senior Backend Engineer will contribute to database offering and API services. Responsibilities include feature development, open-source project contributions, and collaboration with cross-functional teams. Requires experience developing performant systems-level software, preferably in Golang, and knowledge of Postgres and distributed systems.

Office Manager & Administrative Specialist will support the Portugal office and Immigration Department. Responsibilities include managing office operations, providing IT support, assisting with client matters, and supporting immigration processes. Must be fluent in English and Portuguese.

Provides Health & Safety and administrative support to the Portuguese Sales Affiliate. Tasks include liaising on safety matters, ensuring compliance with QHSE standards, issuing various orders, and coordinating project execution. Requires a Level 6 Health & Safety certification, prior experience, and proficiency in MS Office and ERPs.

Experienced plant leader needed to manage all manufacturing operations, ensuring safety, quality, cost, delivery, and service targets are met. Will set plant strategy, lead a high-performing team, and drive continuous improvement across operations, quality, logistics, and maintenance.

Develops and executes strategic sourcing strategies for logistics services, including transportation, warehousing, and distribution. Identifies, evaluates, and negotiates with logistics suppliers. Partners with internal stakeholders to understand requirements and support business objectives.

Lead a team of 5-7 data scientists and machine learning engineers building AI solutions for fraud detection, risk assessment, and platform protection. Translate risk management requirements into machine learning problems and oversee the end-to-end modeling process.

Experienced Electrical Construction Manager needed for hyperscale data center projects. Manage electrical installation, subcontractor performance, and site safety. Strong technical knowledge of MV/LV/HV systems and proven project delivery record required.

Payroll Specialist to manage end-to-end payroll processing within the SAP ecosystem, ensuring compliance with global policies and legal obligations. Requires 5+ years of experience, proficiency in SAP/SuccessFactors, and in-depth knowledge of labor law and tax legislation.

Execute the global accounts payable process for Greece, Hungary, Poland, Czech Republic, Romania, and Slovakia. Ensure compliance with regulations and accounting standards. Provide support for audits and process improvements.

FLORE FLORE seeks an experienced Production & Development Manager to oversee product development, production, and supply chain. This role collaborates with the Designer, manages suppliers, and ensures quality control throughout the process.

Junior Lifesciences Consultant to support international projects in Quality Assurance, GxP compliance, and documentation management. Create, review, and maintain technical documentation and collaborate with global pharmaceutical clients. Must be a French speaker.

Digital Marketing Specialist supporting advertisers with paid campaigns and digital advertising products. Manage customer support via chat and email, troubleshoot issues, and educate clients on product features.

Develops advanced blade surface features, including aerodynamic add-ons and surface protection systems. Designs and validates technologies to meet performance, structural, and fatigue requirements. Drives continuous improvement and innovation in blade painting and finishing processes.

Manual QA Analyst needed to execute test cases, identify bugs, and collaborate with developers to ensure product quality. 3+ years of manual QA experience, strong attention to detail, and Agile/Scrum experience required.

Provide support to the Business Partner in vehicle purchase and sales operations. Manage contracts, coordinate logistics, and ensure effective communication between parties. Fluent Dutch and English required.

QA Engineer will develop and execute test protocols for Connexall software, ranging from software-only to integrations with external systems. Responsibilities include reporting defects, assisting in test plan creation, and collaborating with the development team.

Platform Owner for core card platform at CaixaBank Payments & Consumer. Analyze business and Visa/SIBS mandates, ensure functional design alignment, and coordinate with internal and external teams.