freelance English-speaking jobs in Valongo

Senior Network Security Engineer to manage and resolve critical network security incidents, coordinate with teams during critical situations, and plan and execute complex network changes. Requires 5+ years of experience in network security, strong knowledge of network security technologies, and experience handling critical incidents in 24x7 environments.

Critical Ventures seeks a Senior Investment Manager/Investment Principal with 8+ years of venture capital or founding experience. Responsibilities include identifying investment opportunities, conducting due diligence, providing strategic guidance to portfolio companies, and representing Critical Ventures at industry events.

Experienced Business Travel Consultant needed to provide customer support, manage complex travel bookings, and ensure smooth travel experiences. Must be fluent in German and English, have GDS experience (Sabre, Amadeus, or Galileo), and be proficient in ticketing, reissues, cancellations, and PNR management.

Manage key e-commerce accounts, develop commercial strategies, and drive profitability for PIERRE FABRE DERMO COSMETIQUE PORTUGAL LDA.

Provides administrative support to a department or office. Duties include greeting visitors, answering calls, scheduling meetings, and managing office supplies. Requires a high school diploma or GED and up to 2 years of related experience.

The International Finance Manager will monitor and supervise administrative and financial activities for international subsidiaries. Responsibilities include coordinating financial closings, analyzing performance, managing budgets, and optimizing payment cycles.

Technical Sales Engineer to develop and manage a client portfolio in Portugal, identifying business opportunities and supporting complex technical sales processes.

Mid Java Developer needed for a client project in Porto. Requires 3-6 years of experience with Java 8 or above, comfort with Linux, Junit, Maven, Git, and the Hadoop ecosystem. Must have good communication, organizational, and problem-solving skills. Portuguese is the preferred language, with a minimum English level of B2.

Provide technical support for Salesforce users via email, phone, and ticketing systems. Diagnose and resolve issues related to data integrity, user access, and configuration errors. Document support requests and solutions. Assist with user management tasks and monitor system performance.

Creates developer-facing content, including tutorials, guides, and videos, to drive API adoption. Develops training programs for internal teams and supports developer advocacy through workshops and community engagement. Collaborates with product and engineering teams to align content with product launches.

Dutch speaker needed to monitor and moderate e-commerce content for a global social media and shopping platform. Responsibilities include identifying and removing inappropriate content, ensuring compliance with platform policies, and collaborating with quality assurance teams. Must have native or near-native Dutch and English proficiency (B2 level or higher).

As a Michael Kors Ambassador, you will provide exceptional customer experiences, drive sales, and collaborate with the team to achieve store goals. You will utilize product knowledge and technology to advise customers and maintain a positive store environment. Relevant sales experience and strong communication skills are required.

Software Test & Automation Engineer to design and implement robust test solutions using Python, C#, and CAPL. Drive test automation and explore Generative AI techniques for test case generation and defect analysis. Execute tests, analyze results, and debug issues. Participate in software requirement reviews and document test findings.

Provides phone support to healthcare professionals and consumers regarding adverse events, product quality, and medical inquiries. Processes Lifecycle safety operational data, performs data entry, and codes medical terminology. Collaborates with team members, provides training, and communicates effectively. Requires a Life Sciences Degree and fluency in Slovenian, Croatian, and English.

Junior Client Services Assistant to support clients, providing technical support, logging requests, and directing clients to appropriate teams.

The People Business Partner will manage and execute key People & Culture processes, including Talent Management, Performance Management, Learning & Development, and Talent Acquisition. This role supports the implementation of core P&C programs, partners with leadership, and provides employee support and advisory services.

Cybersecurity Consultant focused on Application Security to implement and improve application security practices within complex enterprise environments. Responsibilities include performing application security assessments (SAST, DAST, SCA), identifying and tracking vulnerabilities, and collaborating with development teams to mitigate risks.

SAP BTP Integration Specialist will design, implement, and manage SAP BTP solutions to support client digital transformation. Responsibilities include analyzing business requirements, designing integration architectures, configuring applications, and managing integrations between SAP and non-SAP systems. Expertise in SAP Integration Suite, API Management, and BTP services is required.

Leads, develops, and inspires sales teams, Account Managers, and sub-distributors to achieve sales targets and maximize revenue. Conducts market analyses, develops sales strategies, and monitors competitor activity. Ensures implementation of sales policies and initiatives, tracks sales performance, and manages sub-distributor relationships.

The Sadewasser Research Group at INL seeks a Research Scientist to develop thin-film solid-state micro-batteries for on-chip integration. The role involves thin-film battery fabrication, deposition system operation, and electrochemical characterization.