freelance English-speaking jobs in Valongo

Service Delivery Manager needed for a high-profile customer's website. Requires experience in service delivery, technical understanding of web platforms, and customer relationship management. Responsibilities include managing escalations, ensuring service level agreements are met, and collaborating with internal and external teams. Strong communication, leadership, and problem-solving skills are essential.

Provide German-language customer service via phone, email, and live chat. Resolve inquiries, offer solutions, and document interactions in the CRM. Must be a native or near-native German speaker with at least B1 English proficiency. EU citizenship or valid work permit required.

Senior Specialist provides HR Services administration, consultancy, and support for adidas companies in Europe and Americas. Manages HR tools, processes, and inquiries, ensuring compliance with regulations and service level agreements. Oversees benefit-in-kind tax calculations and drives process documentation improvements. Requires 4-6 years of experience in a related field, strong analytical skills, and proficiency in SAP HR and Microsoft Office.

Wire IT seeks a Python Engineer with 6+ years of experience building APIs (ideally FastAPI), Terraform, Kubernetes, and Docker. Expertise in AI-enabled applications, particularly recommendation or conversational systems, is required.

PHP Developer with 6+ years of experience required. Responsibilities include full software development lifecycle, code reusability, issue identification and resolution, and mentoring junior engineers. Must have strong PHP knowledge (7.3-8.1), OOP, Design Patterns, relational databases, and testing layers.

Speechify seeks a Software Engineer to design, develop, and maintain robust APIs, including payment, subscription, and text-to-speech services. The ideal candidate has proven experience in backend development with TS/Node and GCP.

Provide support for a global social media platform's user community. Handle e-commerce issues and ensure a positive user experience.

The Senior HR Business Analyst partners with HR and business stakeholders to define system requirements, data models, and reporting specifications. The role interprets data, extracts insights, and communicates them clearly. The Senior HR BA ensures solutions align with business priorities and HR technology capabilities. Responsibilities include designing and implementing reports, ensuring data quality, and driving continuous improvements to systems and tools.

Supports the development and implementation of global transfer pricing policies, ensuring compliance with international tax regulations. Assists with pricing calculations, maintains intercompany documentation, and provides data analysis for tax audits and regulatory queries.

Data Analytics Assistant to support data collection, organization, and analysis of large datasets. Assist in cleaning, formatting, and analyzing data using statistical tools and techniques. Create visualizations and support the development of predictive models.

As a Service Desk 1st Line Support Agent, you will be the first point of contact for customer requests via phone and chat. You will resolve incidents, service requests, and provide end-user support for software, hardware, and audio-visual equipment.

Senior Application Security Engineer will drive product security improvements, perform vulnerability assessments, and provide security expertise throughout the Software Development Lifecycle. Requires expertise in programming languages (Python, Go, or Java), DevOps environments, web application penetration testing, and security tooling.

As a Technical Lead, you will engineer and administer the Microsoft Power Platform and Dynamics 365 platform, ensuring robust, secure, and scalable solutions. You will act as a subject matter expert, providing guidance on technical use cases, integrations, and performance optimization.

Postdoctoral position in Agricultural and Food Biotechnology at the Institute for Bioengineering and Biosciences, Lisbon. Responsibilities include vaccine design, molecular biology techniques, protein/peptide production, and scientific communication. Requires a PhD in Agricultural and Food Biotechnology or a related field with experience in recombinant expression, vaccine development, and molecular biology. Excellent English skills are essential.

Data Analyst to provide operational support for carbon data collection and validation. Experience in data handling, environmental data, and proficiency in Excel, Power BI, and SQL required.

The Junior Strategic Project Manager will initiate, plan, execute, and close strategic projects, collaborating with departments and external partners to align organizational efforts with strategic goals.

Senior Cloud Platform Engineer will design, develop, and maintain reusable infrastructure components on a cloud platform. This role requires 10+ years of experience with AWS or Azure, at least 1 year with sovereign cloud providers, and 6 months with Cycloid.

Automation QA Engineer to design, develop, and execute automated and manual test cases for a Technology Company. Responsibilities include performance testing with JMeter, analyzing results, and collaborating with development teams. Requires experience with AI-driven testing, Selenium, and API testing tools.

Provide technical and accounting support to customers via phone, email, and chat. Prepare offers and demonstrate software solutions to prospective customers. Collaborate with the Customer Support team to deliver exceptional customer experiences.

The Import/Export Specialist coordinates and executes export operations, ensuring compliance with regulations and timely delivery of goods. Responsibilities include managing documentation, interacting with stakeholders, and ensuring accurate information flow across systems.