freelance English-speaking jobs in Barreiro

Content Moderator will review user-generated content to ensure compliance with community guidelines and platform policies. Responsibilities include identifying policy violations, handling user appeals, and collaborating with the team to improve moderation processes.

Production Director to lead and manage all plant production activities, ensuring output meets demand while maintaining efficiency, quality, and cost control. Must be fluent in Portuguese and have senior production leadership experience in manufacturing.

German-speaking Customer Service Representative needed for a stable inbound support project in the energy and property services sector. Provide phone and written support to property managers and tenants with service requests, appointments, and billing inquiries.

Fullstack Developer needed for webstore and self-service portal development. Design, develop, and enhance functionalities using React, TypeScript, and Java. Participate in full DevOps lifecycle, including deployment and monitoring. Collaborate with cross-functional teams in an Agile environment.

Manage a portfolio of websites, optimizing paid traffic campaigns and on-site experiences to maximize revenue. Deep experience in Google Ads and Meta Ads is required.

Senior Backend Developer for a contract role (8-12 months) with a day rate of €350-€380. Design, develop, and maintain backend services using Go, contributing to service architecture and scalability.

Supports Relationship Managers in fulfilling member requests, focusing on booking execution and documentation. Assists with researching luxury objects and experiences. Manages administrative tasks, including researching offers, arranging bookings, and updating client information.

Leads a team to support technical management of Alpiq Thermal's existing assets, ensuring safe and performing operations. Oversees engineering, project management, and plant upgrades. Provides technical expertise to support decision-making and the strategic growth ambition of the Business Unit.

Leads roadside assistance operations in France, Italy, Benelux, and the UK. Oversees emergency service coordination, collaborates with internal and external partners, and handles complex case escalations.

Senior Dynamics 365 Finance & Operations (F&O) Solution and Product Architect needed for a large, complex, and highly customized D365 F&O landscape. Lead solution design, product evolution, and architectural governance for Dynamics 365 F&O, ensuring the platform is robust, scalable, compliant, and continually advancing. Translate complex business requirements into scalable and maintainable solutions, define architectural standards, and provide architectural oversight for all F&O-related integrations. Act as a product owner from a technical and functional perspective, shaping the future roadmap of D365 F&O. Mentor solution architects, functional consultants, and technical teams across global regions.

Leads the development and growth of the Operations department for an electric vehicle leasing company in Portugal. Manages fleet logistics, handles customer support, and coordinates with local partners. Requires experience in the automotive sector, excellent communication skills, and fluency in English.

Lead the design, security, optimization, and governance of global Active Directory infrastructure. Drive technical delivery, manage technical debt, and ensure implementation quality. Collaborate with engineering teams, architects, and vendors to design and implement solutions.

Sybilion seeks a Consultant to build and validate forecasting models for process industries. Responsibilities include designing forecasting approaches, evaluating model performance, and operationalizing models into client workflows. Must have 3-7 years of experience in management or client-facing data/analytics consulting with a focus on modeling. Strong Python skills and experience with forecasting evaluation and backtesting are required. Fluency in English and the ability to work in Porto are essential.

Support the Iberian Finance team with in-house accounting (SAP), financial reporting, tax compliance, and investment structures and transactions. Manage the full accounting cycle of SPVs, ensure compliance with Portuguese tax regulations, and monitor cash flow.

Customer Service Specialist needed for a global financial technology company. Provides customer support and collections, requiring strong communication and negotiation skills. Must be fluent in Dutch (C2) and English (B2).

MailerLite seeks a Front-End Developer to contribute to the development of a new Drag & Drop builder. Responsibilities include creating the builder from the ground up, optimizing its performance, building reusable components, and implementing tests. The ideal candidate has 3+ years of experience with web technologies, including a reactive framework (Vue.js preferred), Tailwind CSS or similar frameworks, and REST-based APIs.

Sales & Marketing Assistant to support sales campaigns, optimize content, manage press & media, and analyze marketing metrics.

Recruiter to attract German-speaking candidates for international job opportunities. Responsibilities include sourcing, interviewing, onboarding, and relationship building. Requires fluency in German (C1) and English (B2), a university degree, and recruitment experience.

Data Analyst for Technical Customer Services EMEA will analyze product performance data, design dashboards, and support algorithm development. Collaborate with R&D, Quality, and other stakeholders to define training content and provide technical documentation.

In-house Clinician provides clinical oversight for medical device conformity assessment, ensuring compliance with EU MDR regulations. Reviews clinical data, guides external experts, and develops training materials. Requires a qualified Dentist with minimum two years of experience and a university degree in Dentistry plus further clinical research or medical device training.