freelance English-speaking jobs in Valongo

As a Sales Development Representative, you will identify new business opportunities by contacting potential clients and building relationships. You will qualify leads, suggest products/services, and work with marketing to ensure appropriate messaging. Fluency in English and German is required.

Cloud Engineer-Architects design, architect, and lead the deployment of large-scale cloud solutions across multiple providers. They identify and resolve complex infrastructure and application challenges, ensuring high availability and performance.

Provide functional support for users, build a knowledge base, and process requests for specific actions.

Mainframe Developer/Systems Programmer to manage release processes, migrate from Serena Dimensions to TEXO, and maintain z/OS systems. Requires expertise in Rexx, JCL, PL/1, ISPF, Db2, and release management tools.

ServiceNow Developer to design, develop, and maintain solutions on the ServiceNow platform. Contribute to global IT Asset Management initiatives and collaborate with international stakeholders. Strong technical expertise in ServiceNow, including JavaScript, REST/SOAP, Jelly, Flow Designer, CMDB/CSDM, and IRE mechanisms required. Fluent English mandatory.

Provides technical support to maintain and improve equipment, processes, and facilities. Responsible for setting up maintenance plans, spare parts, and documentation for new machines. Leads the ramp-up of production lines, including training technicians and ensuring quality, cost, and quantity targets are met. Oversees equipment maintenance, analyzes processes, and troubleshoots technical issues.

Provide premium customer service to high-end clients of a prestigious European brand. Handle inbound requests via phone, email, and chat in German and English. Organize travel arrangements, reservations, and advise on luxury experiences.

Oceyon seeks an experienced Marine Geologist to support offshore seabed assessment activities. The role focuses on understanding seabed evolution, sediment dynamics, and hydrodynamic influences to inform risk reduction strategies, exploration methodology, and site feasibility.

Experienced Product Developer for vehicle electrical systems development. Develops wiring harnesses, cable assemblies, and 3D CAD models. Manages development processes, coordinates with partners, and ensures timely project completion. Requires a degree in a relevant field, experience in wiring harness development, and proficiency in CATIA V5.

Business Associate needed for a project focused on labeling and evaluating text data to assess the Percentage of Queries Understood by a Virtual Assistant. Annotators will compare guidelines and context to determine if queries are in-scope and require annotation or out-of-scope. Strong language skills, logical reasoning, and attention to detail are required. Swedish/Danish/Dutch speaking candidates are preferred.

Revenue Operations Business Partner needed to bridge data and GTM execution, streamline operations, and drive revenue growth. Requires 2+ years of experience, advanced Excel skills, and proficiency in English.

As a Functional Analyst, you will translate user needs into functional specifications, collaborate with development teams, and execute test cases. You will participate in UAT, contribute to production deployments, and maintain documentation.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Support users, manage inquiries, and contribute to process improvements. Must have strong Czech and English language skills (written and spoken) and previous customer service experience.

The HR Specialist – Talent Acquisition & Onboarding delivers end-to-end recruitment, employer branding, and onboarding processes. This role supports People Operations, Development, and Reporting & Compliance areas. The successful candidate will own the candidate journey, translate hiring needs into positive experiences, and act as a trusted partner to hiring managers.

Business Analyst to support financial project portfolio management, including planning, monitoring, and reporting. Experience with TAGETIK, Business Objects, and relational database tools required.

To know more about us click here. Mission of the Role : As part of the Mechanical Interface role, you are responsible to interact with the Customer, Internal Program Team, Mechanical execution leads to be sure all the mechanical deliverables are on track.

Full Stack Developer & AI Solutions Architect to design and build web applications and AI-powered extensions for SAP Business One. Develop backend services using Node.js, build web applications with React.js, and integrate with REST APIs. Experience in AI development, ERP systems, and SAP Business One is preferred.

REB Realty Portugal seeks ambitious Private Brokers to join their team. Successful candidates will have a university degree (preferred areas: Business, Real Estate, Law, Architecture, or related), Portuguese nationality or residency, fluency in English, and a strong work ethic.

DB2/Mainframe Database Administrator needed to coordinate dataset retrieval, perform queries on DB2 systems, and manage requests. Requires proficiency in DB2, SQL, JIRA, and DBeaver, as well as strong French (B2 level).

Electrical Engineer needed for construction projects. Manages electrical design, procurement, installation, and acceptance of power supply systems, security systems, and other electrical infrastructure. Requires 8+ years of experience in a similar role and proficiency in English.