freelance English-speaking jobs in Barreiro

Credit Management Specialist will support the CM Manager in managing the portfolio, negotiating payment plans, and tracking debtor accounts.

Provides HR support to business stakeholders and the HR community, ensuring smooth and efficient HR operations. Manages employee data, drafts HR documents, and advises on general HR queries. Requires fluency in French and English.

Overstory seeks a Director of Platform & Infrastructure to lead SRE, MLOps, and Platform teams. This role will define and evolve platform vision, including developer experience, CI/CD, infrastructure, and reliability standards. The Director will oversee MLOps systems and partner cross-functionally to ensure platform meets current and future needs.

Devexperts seeks talented Java Backend Developers for future Research & Development opportunities. Teams build and maintain high-performance platforms used by thousands of users. Technologies include Core Java, Spring, Docker, PostgreSQL, and Atlassian suite.

Create short-form video content for social media and website, showcasing product features. Responsibilities include conceptualizing, filming, editing, and delivering content in both English and Portuguese.

HR trainee to provide operational support to Human Resources activities in a fast-growing division. Responsibilities include personnel administration, recruitment, training, internal communication, and HR KPI follow-up.

Sales Assistant to support sales strategy, achieve annual sales objectives, and manage customer relationships. Responsibilities include inventory control, delivery coordination, order processing, supplier management, and handling customer claims.

Nestlé Global Business Services seeks recent graduates for a 6-month trainee program in New Services, Service Excellence, or Consumer Engagement Services. Trainees will gain practical experience in project management, business analytics, service quality monitoring, and continuous improvement.

Decskill seeks an IBM Cloud Pak Specialist with a minimum of 1500 man/days of experience in IBM Cloud Pak for Business Automation. Responsibilities include technical solution design, gap analysis, implementation, documentation, testing, and deployment. Must have 500+ man/days of experience in CP4BA 18.0.0 or higher versions and good English skills.

AgileEngine seeks a Manual QA Engineer to ensure the quality and reliability of web applications and AI-driven features. This role involves manual testing, test case development, and validation of AI model outputs. The ideal candidate will have 2+ years of manual testing experience, knowledge of testing methodologies, and familiarity with LLM evaluation principles. Experience with TestRail and basic understanding of CI/CD processes are also required.

The Health Insurance Subject Matter Expert will shape and build CoverGo's health insurance product capabilities. This role provides deep health insurance expertise to the product development lifecycle, ensuring features are accurate, compliant, and aligned with real-world insurance operations.

Provides functional support for applications, tests, and interacts with IT teams. Manages incidents, monitors application and server status, and performs technical tasks. Contributes to process improvements and supports the definition of non-functional requirements for new applications.

Senior Product Engineer (Backend) will help set product direction, ship features, and own customer-facing channels, core data models, and customer requests. Responsibilities include building developer tools, shaping backend architecture, and creating a stellar developer experience.

Nitro seeks a QA Engineer to modernize Java UI and C++ unit test suites for its core product. The role involves transforming legacy test suites, expanding platform coverage, optimizing execution, and scaling CI/CD pipelines. The ideal candidate has 5+ years of experience as a QA engineer with expertise in delivering and growing large-scale test frameworks, strong programming skills in Java and C++, and experience with CI/CD platforms.

Junior CAM Programmer needed for direct hire with a company specializing in industrial engineering solutions. Responsibilities include programming machining processes in hyperMILL for 3- and 5-axis CNC machines. Requires 2+ years of CAM programming experience and knowledge of hyperMILL.

Customer Service Specialist will handle inbound calls, identify customer needs, and provide tailored solutions. Requires fluency in French, German, or Dutch (C1), 1 year of customer service experience, and proficiency in Microsoft Office Suite.

Jobbex is seeking a Frontend Engineer (React) to build and improve front-end applications using ReactJS and Tailwind/CSS. Develop fast and secure data-handling solutions using GraphQL, REST, and AWS AppSync. Collaborate with development teams to ideate and shape software solutions.

Junior Designer to assist in developing and maintaining content for Bodum e-commerce websites. Responsibilities include creating web banners, email promotions, and social media content. Requires a degree in Graphic/Digital Design, proficiency in Adobe Creative Cloud, and fluency in English.

Data Engineer to architect and scale a proprietary investor database, transitioning from basic filtering to an AI-driven matching engine. Responsibilities include developing a weighted scoring algorithm, managing data pipelines, and overseeing the migration to Python-based micro-services.

Senior Software Developer will build and evolve server-side components using Java (version 21) and the Spring ecosystem. Experience with relational databases, AWS cloud services, and Python is required. Responsibilities include designing, deploying, and operating applications within an AWS environment, leveraging container-based and serverless services.