freelance English-speaking jobs in Valongo

Provide customer support via voice, investigating, troubleshooting, and resolving issues. Utilize resources to ensure high standards and efficient work. Act as a trusted advisor, track issues, and seek root causes. Must have strong problem-solving skills, experience in customer service, and fluency in English, German, and Spanish.

Oversees the development and delivery of compliance dashboards, reports, and analytics across regions. Ensures reporting outputs are timely, accurate, and aligned with business and regulatory requirements. Leads a team of reporting analysts and BI developers.

Manage the full procurement process, ensuring competitive costs, reliable deliveries, and strong vendor performance. Build and maintain vendor relationships, negotiate contracts, and monitor performance indicators. Collaborate with planning, warehouse, logistics, engineering, and quality teams to ensure timely material availability and optimize inventory.

Senior iOS Engineer to support the growth of the Speechify iOS app and work on new projects. Experience with Swift, SwiftUI, multithreading, CI/CD, and SOLID principles is required.

Provide Dutch-language customer support for a popular home appliance brand via phone, email, and chat. Resolve customer issues and handle order-related inquiries. Must be fluent in Dutch and have an EU passport or valid Portuguese work permit.

Design and analyze mechanical systems and components for integrated drives used in various industries. Responsibilities include CAD modeling, FEA & CFD analysis, testing, and algorithm validation. Requires a Master's in Mechanical Engineering, experience with SolidWorks, ANSYS, and programming skills in Matlab, Simulink, and Python.

The ML/AI Tech Lead will improve search algorithms, focusing on user query understanding and result relevance. The role involves designing and developing new search features and integrating AI-driven solutions into user flows.

IT Recruiter to manage end-to-end recruitment processes for IT roles. Source, engage, and assess top IT talent across a range of projects and clients. Strong understanding of IT roles and experience in a fast-paced, target-driven environment required. Fluent English mandatory.

The R&D Project Engineer – Power Systems will participate in and/or lead international R&D projects, manage project implementation, and develop technical outputs. The role requires 3 to 5 years of experience, a Master's or PhD in a relevant field, and knowledge of Power Systems and energy-related domains.

Full-Stack Architect to design and drive scalable web application architecture for US-based clients in consulting and finance. Requires 3+ years experience as a Software Architect or Technical Lead, hands-on Node.js + React experience, and expertise in RESTful APIs, microservices, and AWS cloud infrastructure.

Regulatory Associate supports institutions in understanding and implementing European and local regulations. Analyzes regulatory frameworks and assists clients with policy, procedure, and governance structure adaptations. Conducts regulatory research, impact assessments, and prepares client deliverables. Requires a Master's degree and 1-2 years of relevant experience.

Provide professional customer support to German-speaking customers via phone, email, and chat. Assist with product information, account questions, and troubleshooting. Must have solid C1 German and B2 English. EU citizenship or valid work documentation required. Relocation to Lisbon is mandatory.

Accounting General Ledger Associate will ensure accurate financial reporting and compliance with international accounting standards (IFRS). Responsibilities include preparing financial statements, collaborating with auditors and tax experts, and supporting continuous improvement initiatives.

Manage end-to-end customer interactions (phone, email, chat) related to online orders. Handle delivery tracking, returns, refunds, payment queries, and shipping investigations. Collaborate with couriers, financial institutions, and internal teams.

Provide analytics and operational support to the Category Manager for Brakes, Lighting, Batteries, and Wipers categories. Prepare performance reviews, maintain assortment matrices, conduct competitor analysis, and support promotional activities.

Business Development Representative for a marketing agency. Generate qualified leads and drive new business opportunities for digital marketing services. Outbound prospecting, lead research, and meeting booking. Proven experience in BDR, SDR, or sales within a marketing agency. Strong understanding of digital marketing services and CRM tools. Excellent communication and negotiation skills.

Manages digital requests across Front-End, CMS, and Mobile Apps, ensuring efficient delivery and alignment. Prioritizes and assigns tasks, monitors progress, and guarantees quality. Requires 3+ years of experience, proficiency in Jira/Asana, and fluency in English.

Senior Frontend Developer to join our team in Lisbon. Develop and maintain web applications using ReactJS and NextJS. Implement responsive designs with HTML, CSS, TypeScript, and JavaScript.

Global IT Trainee supports the design and implementation of smart, secure, and scalable digital solutions. Responsibilities include contributing to IT and AI initiatives, providing data-driven insights, and engaging in cross-functional rotations.

Bilingual Portuguese Generalist Evaluator will develop prompts, establish evaluation standards, and assess AI model outputs for accuracy and cultural fit in Portuguese. Must be native to Portugal or Brazil with fluency in Portuguese and English.