freelance English-speaking jobs in Valongo

Provide administrative support, including document scanning, customer service, and communication. Work collaboratively within a team to achieve company objectives.

Manage electronics obsolescence for legacy control units and electronic modules, ensuring long-term producibility and compliance. Coordinate obsolescence work packages, including planning, technical direction, and follow-up. Monitor component lifecycles, BOMs, PCNs, and supplier notifications to identify and mitigate risks. Assess, qualify, and validate alternative and second source components. Support and coordinate redesign activities where obsolete components require circuit or layout changes. Act as technical focal point for legacy electronics topics. Collaborate with EMS partners to keep production running despite component shortages. Maintain component data, BOMs, and engineering changes according to change management processes.

Quality Auditor responsible for approving parts, ensuring quality standards, and resolving production process issues. Analyzes non-conforming parts and collaborates with suppliers. Requires 1-3 years of experience in quality auditing, preferably in the automotive industry. Familiarity with quality tools and standards (IATF 16949, VDA 6.3, ISO 9001) is preferred.

The OT Cybersecurity Engineer maintains security measures, assessments, and incident response for Operational Technology (OT) environments. This role focuses on protecting industrial control systems (ICS) and critical infrastructure from cyber threats. Responsibilities include risk assessment, vulnerability analysis, incident response, security monitoring, and compliance assessment.

Design, develop, and maintain Python-based backend services and APIs within a microservices architecture. Work with SQL and NoSQL databases, integrate with Azure cloud infrastructure, and collaborate with product, data, and frontend teams.

Manages RFPs for airline and cruise line clients, conducts market research, and negotiates with hotel and transport vendors. Reports to the Global Director of Airline Sourcing and collaborates with Operations, Contracting, and Admin teams.

Provide French-speaking customer support via phone, email, and chat. Assist customers with inquiries and solutions, ensuring high satisfaction.

Technical Account Managers are the primary customer contact for Varonis, ensuring data protection and customer success. They onboard customers, provide ongoing support, and advocate for customer needs. Requires 4+ years in a customer-facing role, fluency in Portuguese and Spanish, and knowledge of Windows OS and enterprise IT, cloud, and security technologies.

As an Accounting Analyst, you will ensure accuracy and integrity in financial reporting. Responsibilities include month-end activities, journal postings, GL account reconciliations, and audit support.

Receptionist/Host to join the Front Office team at a luxury lifestyle hotel in Lisbon. Warmly welcome guests, manage check-in/check-out, handle reservations, and provide information about hotel services and local attractions. Collaborate with other departments to ensure guest satisfaction. Previous experience in a luxury hotel environment is preferred. Fluency in English and Portuguese is required.

Siemens Global Business Services seeks a Controlling Operator Trainee to record and monitor accounting transactions, perform month-end and quarter-end closing routines, and support the preparation of financial statements. The role requires a bachelor's or master's degree in a related field, proficiency in Microsoft Office applications, and fluency in English.

The Sustainability Controlling Analyst supports the preparation of sustainability/non-financial reporting. This role strengthens PMI's non-financial data reporting system, contributes to high-quality sustainability reporting, and develops solutions to drive meaningful progress in priority sustainability reporting areas.

The Clinical Territory Associate will gain knowledge of technical, clinical, and sales aspects of the da Vinci Surgical System. They will provide technical and clinical support, lead product demonstrations, and contribute to sales goals. The role requires a bachelor's degree, sales or leadership experience, and fluency in English and the local language.

Senior QA Engineer with 6+ years of experience needed. Must have strong programming skills, API and backend system understanding, and experience testing in cloud environments (AWS). Familiarity with CI/CD pipelines is required. Excellent communication skills and fluency in English are essential.

Senior Software Engineer to design, build, and scale a cloud-based microservices platform using AWS, TypeScript, and modern service-oriented architectures.

Data Engineer to design, build, and maintain data models and pipelines for a Tech Company. Requires expertise in SQL, Python, Azure Data Factory, Databricks, and data modeling methodologies.

Customer Service Representative will assist customers via phone and email, answer questions, and process requests. Must have high-level English (C1 written and oral) and excellent communication skills.

Provide customer service for Audi via phone, chat, and email. Respond to inquiries, resolve issues, and maintain customer records. Must have Dutch (C1) and English (B2) fluency and 1 year of call center experience.

The International Iberian Nanotechnology Laboratory (INL) seeks a Head of Internal Auditing to establish and lead the INL Internal Audit Service. Responsibilities include audit planning, execution, and reporting, risk assessment, compliance, internal controls assessment, stakeholder engagement, and training.

Automation & Industrialization Specialist will manage automation modifications for existing equipment and new projects. Responsibilities include PLC, drive, and HMI programming, collaborating on product development, and providing advanced technical support for maintenance.