freelance English-speaking jobs in Barreiro

Develop and refine intelligent, autonomous AI agents using Python and agentic frameworks. Contribute to the design and implementation of AI-powered applications that reason, plan, and execute complex tasks. Support the evaluation and selection of foundation models and services from third-party providers.

Travel Designer for a Destination Management Company (DMC) specializing in premium and luxury travel to Italy, France, Belgium, and the Netherlands.

Sales Representative to focus on the Czech market. Engage in B2B outbound sales, utilizing leads to onboard new clients. Fluency in Czech and English required. Previous sales experience is a plus.

Business Analyst to represent Risk and Finance within a Squad, driving business-aligned solutions. Responsibilities include process optimization, user story contribution, testing, business case development, change management, and stakeholder coordination.

Landskill seeks a Golang Developer with experience in application development, service-oriented architecture, and databases. Expertise in Agile methodologies and fluency in English are required.

Manages premier customer portfolios. Requires a minimum of 3 years of experience as a Relationship Manager in Retail/Premier Banking, a bachelor's degree, active investment and/or insurance accreditation, and strong knowledge of Wealth Management, Financial Markets, and Investment Products.

Salesforce Developer Lead will lead a team to deliver features and automations on Salesforce Service Cloud and Data Cloud. Responsibilities include designing, developing, and implementing customized solutions, collaborating with stakeholders, and ensuring the technical health of features. Requires 8+ years of Salesforce development experience, 2+ years as a team lead, and Salesforce certifications.

Curate and sell exclusive travel experiences including hotels, cruises, tours, and events worldwide. Provide personalized recommendations and concierge-level service to clients.

Senior Data & AI Engineer to build production-grade AI and data systems for Line Coach, an AI assistant used in brewery production. Focus on Microsoft Fabric pipelines, RAG, and Azure AI Search. Requires hands-on experience with Fabric, LLM-based RAG systems, and Azure AI Search.

Develop C/C++ software for real-time embedded systems in power systems. Design, implement, and test protection automation and control algorithms. Collaborate in a dynamic R&D team.

Event Project Management Intern supports the design, planning, and delivery of corporate events. Assists with logistics, budgeting, and execution, collaborating with suppliers and contributing to creative development.

Experienced language professionals are needed to review and refine Portuguese (Portugal) customer service content. This role involves editing machine-translated materials for accuracy and alignment with project guidelines.

Experienced Art Lead to join a team in Lisbon. Leads art team, provides feedback and training, and helps create art materials. Collaborates with Art Director on staffing and recruitment.

Senior AWS Data Engineer to design, implement, and operate scalable cloud-based data pipelines. Build and maintain batch and streaming data solutions ensuring reliability, performance, and observability. Structure and manage complex datasets while meeting business, technical, and performance requirements. Develop and execute data validation, functional, and non-functional tests. Analyze, troubleshoot, and optimize SQL queries. Collaborate with cross-functional teams to translate functional requirements into robust technical solutions. Apply architectural best practices and continuously improve the scalability, maintainability, and performance of data solutions.

CRM & Lifecycle Marketing Manager to design, execute, and optimize email and SMS campaigns for a fast-growing D2C ecommerce brand.

Leads growth strategy and execution across all marketing channels for a campervan marketplace. Develops and implements scalable growth strategies to drive customer acquisition, retention, and revenue growth.

Cloud & Automation Solutions Specialist needed with 5-10 years experience in cloud, automation, or infrastructure platform sales. Must have hands-on experience with Terraform, Ansible, CloudFormation, and a major cloud provider (AWS, Azure, or GCP).

Provide first contact resolutions to customer queries through written and phone communication in Swedish and English. Build relationships with customers, answer questions, and meet customer service quality goals.

Review and analyze user-generated content, primarily text-based reviews, on an online platform. Assess content formats such as images, websites, or linked websites. Apply client-provided legal and policy guidelines when evaluating content. Process legal requests including privacy, defamation, fraud, or falsification claims.

Business Analyst to represent Finance needs within a Tribe/Squad, leading transformation initiatives and supporting data-driven decision-making.