freelance English-speaking jobs in Valongo

Provide post-purchase support, resolve customer issues, and ensure satisfaction by offering product knowledge and assistance with inquiries and concerns. Manage aftersales cases, collaborate with teams, and review customer feedback to support continuous improvement.

Senior Fullstack Developer to build intuitive digital products using modern frameworks. Experience with JavaScript (React.js, Angular.js, Node.js), .NET, Python, and mobile development required.

Cloud Architect to define and implement cloud architecture solutions for the Corporate and Institutional Banking division. Responsibilities include designing cloud architectures, monitoring SaaS portfolios, and advising teams on cloud-native design and DevOps practices. Requires experience with major cloud platforms, container orchestration, and secure development lifecycle principles.

Data Analyst specializing in energy sector projects. Requires 4+ years experience in energy sector projects, understanding of electric transmission networks, and proficiency in Python/PySpark, GIS, and QGIS.

Web & E-commerce Business Analyst needed to shape the end-to-end digital experience. Translate business requirements into technical designs and user stories. Analyze system behavior, data flows, and platform components. Collaborate with stakeholders to elicit, analyze, and validate business needs.

Java Developer will design, develop, and maintain Java-based applications and services. Requires experience with Spring Framework, troubleshooting, unit testing, and Agile methodologies. Must have strong knowledge of databases and cloud environments.

HSQE Manager / Técnico Superior de Segurança no Trabalho will support Q Energy's growing construction and operational activities in Portugal. Responsibilities include deploying and maintaining the QHSE management system, ensuring compliance with Portuguese QHSE regulations, and supporting local teams in implementing QHSE procedures.

DevOps Engineer to oversee containerized environments (Kubernetes, Docker), deploy workloads on Oracle Cloud, and build CI/CD pipelines. Requires proven experience with DevOps tools and methodologies.

Business Analyst to understand and clarify business needs, structure user stories, and ensure the correct adoption of the Scrum framework.

Senior Territory Manager to drive business growth in Portugal. Develop business with end customers and channel partners, expanding market presence and share. Manage sales pipeline, collaborate with Country Sales Manager, and represent Honeywell professionally. Proven experience in business development and sales management, ideally in technology or industrial sectors. Fluency in Portuguese and English.

Provides administrative support to the Portuguese sales team, assisting with partner queries and internal file management. Collaborates with internal stakeholders to identify process improvements and supports the Country Manager in strategic planning and marketing initiatives.

Application Engineer II will design, build, and maintain APIs, services, and systems. Experience developing large-scale applications, preferably with PHP or Java, is required.

The Sales Distribution Executive – On Trade is responsible for managing and developing strategic On Trade customers in Portugal. This role develops and delivers Joint Business Plans (JBPs) to drive sustainable and profitable growth. The position requires strong commercial acumen, negotiation skills, and a deep understanding of the On Trade environment.

Senior Hospitality Finance Manager will own asset-level P&Ls, support budgeting and forecasting, and ensure financial reporting accuracy for the Flex and Atipico portfolio.

Develop and maintain automated validation pipelines for infrastructure changes across all environments. Design, provision, and manage test environments on Azure, ensuring stability and reproducibility. Collaborate with QA and Product Engineering teams to translate environment requirements into reliable infrastructure.

Account Manager to manage programmatic campaigns for Italian clients across Yahoo DSP and other platforms. Responsibilities include campaign setup, optimization, performance monitoring, reporting, and client communication. Requires 1+ years of programmatic experience, DSP knowledge, and fluency in Italian and English.

Senior Service Designer needed to improve the subscription lifecycle experience across a global e-commerce platform. Focus on UX research, service design, and UI design in Figma to enhance customer journeys and support product delivery. Requires experience with service blueprints, customer journey maps, and stakeholder management.

Lead the design, configuration, and implementation of SAP Finance solutions, including FI and CO modules. Manage end-to-end projects, collaborate with stakeholders, and develop digital transformation strategies.

As a System Integration Analyst, you will create and deliver solutions addressing business needs through technology integration and automation. You will be involved in all stages of the delivery process, from ideation to deployment, ensuring solutions are effective and meet business objectives. You will work with business stakeholders, technical colleagues, and vendors to develop and review solutions, document technical requirements, and support testing activities.

Full-Stack Developer with expertise in Node.js, TypeScript, React.js, and AWS Cloud services. Develops backend services, frontend features, REST APIs, and manages databases. Experience with CI/CD pipelines and testing is required.