freelance English-speaking jobs in Santarém

Develop and maintain core simulation tools, enhance scientific computation systems, and build scalable code using .NET/C#. Requires experience in software architecture, Azure, and C#.

Lead design and development of self-service customer portals using Salesforce Experience Cloud and AI automation. Optimize AI-driven virtual agents, integrate third-party tools, and mentor clients on AI adoption.

Lead complex, large-scale energy projects modernizing power infrastructure. Own end-to-end execution of upgrades for industrial gas and steam turbines, managing financials and cross-functional teams.

Manage end-to-end employee exits and provide first-level Employee Relations support for global clients. This role requires HR generalist experience, expertise in international compliance, and strong negotiation skills.

Software Engineer role involving end-to-end development on scalable platforms. Requires experience with Java/Spring Boot, React/TypeScript, REST APIs, and SQL/NoSQL databases. Focus on full-stack solutions and engineering best practices.

Billing & Payment Analyst ensures accurate payment allocation, validates refunds, and manages commission activities. Responsibilities include bank reconciliation, incident documentation, and process improvement. Requires CRM/ERP and Excel experience.

Customer Success Manager for UK&I SMB and Mid Market customers. Nurture, support, and drive expansion by advising on tool optimization and owning the adoption journey. Prevent churn and cultivate customer advocacy.

Cybersecurity Officer to support organizational cybersecurity through policy adherence, awareness promotion, and capability development. Requires 5+ years in enterprise cybersecurity and a university degree in IT or related field.

The Administrative, HR & Finance Officer supports administrative, HR, and financial operations. Responsibilities include office management, recruitment, HR administration, financial tasks, and compliance. Requires a minimum of Bac +2 with 5+ years of experience in related fields, proficiency in MS Office, and fluency in Portuguese.

Forward Deployed Engineer to design, deploy, and extend mission-critical solutions for financial services clients. This role requires 3+ years of software engineering experience, API interaction expertise, and the ability to translate customer challenges into scalable technical implementations.

Creative and reliable florist needed to create bouquets and floral designs. Responsibilities include customer assistance, managing daily shop tasks, and preparing flowers. Must have experience or talent with flowers.

Oversee the end-to-end lifecycle of client engagements, bridging communication, delivery, and financial operations. Responsibilities include scoping budgets, managing time logging, controlling scope creep, and ensuring accurate billing.

This Analyst role supports client-level profitability governance for Global Clients and Key National Accounts. Responsibilities include CCM coordination, financial consolidation, pricing analysis, and driving margin improvement across multi-country deals.

Quality Analyst needed to monitor and evaluate interactions against quality standards. Responsibilities include conducting assessments, providing feedback, and preparing quality reports. Must be fluent in Dutch with good English skills.

SAP Functional Trainer needed with experience delivering training to business users. Requires strong SAP functional knowledge, clear process explanation, and fluent Spanish. Supports UAT and creates training materials.

Skilled Unity Developer needed to create and implement game functionality. Responsibilities include building efficient code, collaborating with artists, and optimizing game performance. Requires C# proficiency and experience with published games.

Lead design and development of native Windows desktop applications using Windows App SDK, WinUI, C#, and XAML. Drive accessibility efforts and own the full feature lifecycle for the Windows platform.

Senior Full-Stack QA Engineer focused on end-to-end feature quality across UI and API. Responsibilities include writing automated tests using Selenium, Reqnroll, and Playwright, ensuring test coverage, and working with CI pipelines. Requires 4+ years of QA experience.

Activation Performance & Tracking Manager develops and maintains tracking frameworks for digital activation and website performance across European markets. Responsibilities include analyzing campaign data and building reporting structures using tools like Google Analytics and Looker Studio.

Execute and optimize multi-channel communications to help learners start, stick with, and succeed on DataCamp. Own the test-learn-optimize roadmap for automated journeys across email, push, and in-app notifications.