freelance English-speaking jobs in Valongo

Sales Assistant needed to provide outstanding customer service, drive sales, and support store operations. Must be outgoing, passionate about fashion, and detail-oriented.

Leads stakeholder-driven analytics initiatives, shaping business strategy and driving revenue growth. Oversees the design and delivery of data models, analytics solutions, and reporting frameworks. Leads, mentors, and develops a team of data scientists and analysts.

Quality Test Technician supports quality culture and production processes. Executes stability tests, trains staff, and coordinates quality activities. Requires a relevant academic background, minimum 2 years of experience in quality control, and knowledge of GDP and GMP.

Provide legal advice and guidance for Siemens Industry Software's software licensing, cloud services, and professional services projects in the DACH region. Negotiate, draft, and advise on software license and cloud services agreements, partner and distribution agreements.

Designs wear-testing methodologies, analyzes data, and evaluates product durability and performance. Requires a bachelor's degree in a relevant field and 5 years of experience in quality assurance, product development, or field-testing.

Provide customer support via inbound calls for flight reservations. Manage bookings, including alterations, cancellations, and new reservations.

Leads global team in developing and industrializing tinted and polarized ophthalmic lens technologies, ensuring alignment with ZEISS product roadmaps.

Design, implement, and optimize scalable CI/CD pipelines and cloud infrastructure. Manage Kubernetes environments and Infrastructure as Code using Terraform. Drive observability, incident management, and platform reliability. Mentor junior engineers and contribute to technical decision-making.

Leads a new Network Optimization function, reporting to the CTO Networks. Focuses on operational excellence, service assurance, and continuous improvement across the network and services. Responsibilities include defining and implementing monitoring strategies, performance frameworks, and operational processes to identify and resolve network and service issues. Manages a team responsible for overseeing network changes, defining KPIs, developing recovery mechanisms, and ensuring operational readiness. Collaborates with various teams to ensure network performance and reliability. Requires strong understanding of mobile network architectures, technologies, and protocols. Minimum 8 years of experience in the telecommunications industry.

Product Manager – UCaaS Core & Backend will own the product direction and roadmap for Dstny's UCaaS core platform, ensuring its stability, protection, and evolution to support higher-value services. This role requires 5+ years of experience in Product Management, Product Owner, or Sales Engineering/Pre-Sales roles with a strong background in UCaaS or carrier-grade real-time communications platforms.

Marketing Trainee City: Lisbon We are Reckitt Home to the world's best loved and trusted hygiene, health, and nutrition brands. Our purpose defines why we exist: to protect, heal and nurture in the relentless pursuit of a cleaner, healthier world. We are a global team united by this purpose.

This Maintenance Representative role involves repairing, replacing, and refurbishing hotel items, ensuring safety and cleanliness, and following preventative maintenance schedules. Applicants should have at least one year of maintenance experience, a high school diploma or vocational training, and knowledge of building equipment, hand tools, and basic plumbing and electrical systems.

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. Work with pillar owners to convert workshop outputs into active delivery backlogs, ensuring each control has a single named owner. Provide technical depth across pillar-specific control areas, including Conditional Access policy design, Entra ID Governance, PIM, phishing-resistant MFA deployment, trusted device strategy, Intune policy enforcement, network segmentation, secure remote access patterns, application ownership models, Entra SSO integration, API security governance, and data loss prevention.

Lead the growth strategy for a portfolio of emerging mobile applications. Define product roadmaps, optimize user experiences, and drive measurable business results through experimentation. Collaborate with cross-functional teams to integrate and scale products within a fast-growing mobile ecosystem.

The Junior Sales Manager & Deputy Residence Manager drives occupancy and revenue growth while ensuring operational excellence in a student residence. This role combines sales execution, operational support, and customer engagement.

Experienced SAP Consultant to support the People & Organization (PAO) Team within the SHERPA X transformation program. Focus on Payroll and Concur (Travel & Expense) processes, ensuring seamless integration, system configuration, and operational stability within the SAP S/4HANA (S4P) landscape.

Junior Software Engineers will develop and maintain applications using Python and Java. They will contribute to backend development and product enhancements, working closely with product and technical teams.

Sr. Manager Sales Excellence will develop and implement sales frameworks, optimize KPIs, and drive commercial execution excellence. Requires experience in sales, commercial operations, data analytics, or related fields within FMCG.

Leads and oversees Grünenthal's external manufacturing and in-licensed product network, managing approximately 66 suppliers. Defines and executes the global External Supply Operations strategy, ensuring alignment with business objectives.

Full-time Salesperson based in Sintra. Identifies and develops new business opportunities, maintains client relationships, and promotes industrial solutions and procurement services.