freelance English-speaking jobs in Valongo

Software Engineer to design, develop, and maintain back-end services, APIs, and databases for internal products. Collaborate with cross-functional teams on Analytics Enablement, Knowledge Sharing, and Strategic Sourcing Automation. Primary stack is Python/Django on AWS.

Customer Success Manager will work with customers to ensure solution value, conduct training, coordinate resources, and act as a liaison between finance teams and internal departments.

Provides strategic cybersecurity oversight for manufacturing and automation systems, ensuring alignment with business priorities. Serves as a technical authority, approving designs and changes, and supporting incident response. Defines and operationalizes cybersecurity standards and conducts compliance reviews. Mentors junior engineers and influences roadmap planning for cybersecurity initiatives.

Junior Sales Executive to identify and contact high-level clients for branding opportunities. Schedule sales meetings, negotiate pricing and promotions, and ensure client expectations are met.

Digital Marketing Executive to own and execute digital growth strategy, focusing on lead generation, brand positioning, and performance marketing.

IT Team Manager will lead, coach, and grow engineering teams, ensuring high-quality software development aligned with business goals. Responsibilities include providing technical leadership, managing project delivery, and driving continuous improvement in engineering practices. Requires strong software development background, experience leading Agile teams, and fluency in French and English.

Drive control implementation across TUI's CISA-aligned Zero Trust program, translating strategy into deployed, verifiable controls. Measure Zero Trust maturity progression using Microsoft Security Exposure Management, Maester assessments, and Microsoft Secure Score. Provide technical depth across pillar-specific control areas, including Conditional Access policy design, Entra ID Governance, and network segmentation.

Finance Business Partner to support manufacturing operations in Porto. Analyze financial results, track KPIs, and provide insights to operational leaders. Strong analytical and communication skills required. Experience in a production environment and SAP are advantageous.

Guest Services Manager to lead front desk and guest relations operations. Manages and supports the Guest Services team, ensuring smooth operations and outstanding guest experiences. Requires previous experience in a front office, guest services, or supervisory hospitality role.

Investigate and resolve customer issues, including order and logistics status. Review reported issues within agreed turnaround times and quality standards. Drive customer satisfaction metrics and adherence to service levels. Fluent in Dutch (C1) and English (B2), with experience in call center and service industries.

Administers and maintains enterprise database environments including Oracle, SQL Server, PostgreSQL, MySQL, and Cassandra. Manages database instances in high-availability environments and implements replication and disaster recovery solutions. Provides support and troubleshooting for production environments.

Machine Learning professional with 4+ years of experience implementing and maintaining production machine learning systems. Requires solid SQL and Python skills, and experience with the Python data stack (numpy, pandas, matplotlib, scikit-learn, etc.).

Shape the future of HR service delivery by architecting, designing, and evolving HR technology solutions with a focus on ServiceNow HR Service Delivery (HRSD) and enterprise integrations.

Cyber Governance & DORA Control Officer needed to ensure regulatory compliance (ISO 27001, NIST, DORA), monitor cybersecurity policies, and support operational resilience.

Project Planner to monitor technical activities, allocate resources, and ensure on-time delivery. Requires 2+ years of experience in project planning, advanced Excel and Power BI skills, and programming knowledge.

Management Consultant to support global clients from the Lisbon office. Responsibilities include data analysis, developing solutions, managing client relationships, and mentoring junior consultants. Requires fluency in a European language (Spanish, French, German, Italian) in addition to English, management consulting experience, and strong analytical and problem-solving skills.

QA Engineer needed to support the delivery of high-quality web and mobile applications. Collaborate with engineering and product teams to analyze requirements, design and execute tests, and drive test automation. Experience with web or mobile automation frameworks and API testing tools required.

EU Martech Stack Consultant to help clients navigate the shift toward sovereign, EU-native marketing technology. Audit existing stacks, design migration paths to EU-compliant alternatives, and shape consent, data, and measurement layers. Requires 3 to 6 years of experience in martech strategy, digital consulting, or marketing technology. Strong working knowledge of EU-native martech landscape, including GA4 alternatives and EU-based CDPs, CRMs, and DSPs. Solid grasp of CDP & CRM strategy, data layer architecture, and measurement design. Hands-on familiarity with tag management and consent management platforms. Practical understanding of GDPR and ePrivacy obligations. Fluent written and spoken English; Portuguese is an ideal plus; a third language (French or German) is a strong plus.

Leads Growth Squads, defines and evolves the Value Proposition, and owns the P&L for Growth. Builds and embeds an Experimentation Engine, shapes commercial strategy, and leads discovery and launch of new propositions. Requires a track record of product P&L ownership, deep understanding of unit economics, and experience designing experiments for commercial decisions.

We are hiring Dutch speakers (C1 level) for remote customer support or content moderation roles. Full-time and part-time contracts available (20-40 hours/week). Relocation support offered for EU passport holders.