freelance English-speaking jobs in Valongo

Monitor responsible for student supervision, safety, and well-being in a boarding school setting. Experience working with children or teenagers, fluency in English, and commitment to child protection are required.

Information Security Analyst to conduct vulnerability assessments, penetration testing, and security incident response. Develop security policies, monitor network activity, and collaborate with teams to ensure system security.

Office Assistant to support the Airbus GBS Management Team in Lisbon. Responsibilities include managing calendars, organizing events, handling correspondence, coordinating external relationships, and overseeing facilities management. Requires a relevant degree or equivalent experience, 5-10 years of office administration experience, and fluency in English.

Senior Full Stack Developer will reimagine enterprise-level applications using PHP, Laravel, SQL, JavaScript, HTML, and CSS. Collaborate with product management, stakeholders, and customers to design, develop, and improve systems. Minimum 3 years of full-stack development experience in enterprise systems required.

Provide customer support to small and medium-sized businesses across chat, email, and phone. Support and expand self-serve advertising for clients in the online and digital advertising domain.

Leads the implementation and governance of BIM methodologies across complex infrastructure projects. Manages multidisciplinary BIM teams, develops and validates BIM models, and ensures compliance with standards. Drives digital innovation and provides technical leadership to BIM specialists.

Design and maintain scalable data solutions for AI applications and analytics. Build semantic data models, integrations, and leverage LLM technologies. Collaborate with cross-functional teams to deliver data products and insights.

Data Engineer to build and maintain data pipelines for economic, industrial, environmental, and commercial data. Will integrate data from various sources, transform it into usable datasets, and work with machine learning engineers to make data available for model training.

Scrum Master / Project Manager with 3 years of experience needed. Facilitate Agile ceremonies, coach teams, identify impediments, and promote continuous improvement. Strong understanding of Agile principles and continuous improvement mindset required.

The EPC Tender Engineer will lead the preparation of project cost budgets for both binding and non-binding offers. They will integrate inputs from multiple departments to prepare bid deliverables and coordinate with internal departments to capture cost budget information. The role also involves supporting project negotiations, evaluating cost solidity, and preparing cash flow curves.

Accountant Technician required with 5+ years experience managing teams and knowledge of tax/legal obligations. Must have advanced MS Office skills, good English, and problem-solving abilities. Responsibilities include monitoring accounting procedures, preparing reports, managing a team, and ensuring tax compliance. Hybrid work regime.

Project Manager to lead and oversee project planning, execution, and completion from award to installation. Responsible for driving project success, meeting client expectations, and promoting Haworth's project management services. Requires a university degree in Project Management or Business, 5+ years of experience, and fluency in Portuguese, English, and Spanish.

Develops AI software for wildfire restoration and internal business automation. Builds algorithms to process multi-sensor data and designs workflows using n8n. Integrates LLMs like Claude and GPT-4 for tasks such as proposal generation and reporting. Requires proficiency in Python, JavaScript/TypeScript, and AI/LLM integration.

Security Engineer will design, configure, and integrate digital identity security solutions. Responsibilities include implementing, testing, and approving change requests, providing customer support, and operating security solutions.

IT Network Administrator to support the day-to-day operation, monitoring, troubleshooting, and continuous improvement of a global Cisco-based network and Palo Alto security environment.

Define and evolve platform-wide test architecture and automation strategy, ensuring scalability, maintainability, and CI/CD integration. Own the testing vision and roadmap, including automation strategy and architecture. Select and govern automation frameworks, establish platform-wide standards, and oversee cross-team testing strategies. Champion shift-left principles and embed testing early in the development lifecycle. Provide functional leadership and mentorship to QA Engineers.

Develop and enhance a Conversational AI platform supporting AI-powered business use cases. Design, implement, and maintain APIs and Python-based services. Build data pipelines using Airflow and prepare data for AI applications. Onboard new AI use cases and support deployments across multiple countries. Collaborate with DevOps, MLOps, Data Engineering, QA, Security, and Product teams. Provide technical administration and operational support for the platform. Monitor platform health, chatbot performance, and application stability. Troubleshoot production incidents and resolve complex technical issues.

Provide B2B travel support via chat, phone, and email to German-speaking customers. Manage bookings, resolve travel issues, and ensure compliance with travel policies.

Junior O2C Specialist will process customer orders, generate invoices, and manage customer payments. Requires fluency in German (C2) and English (C1), 2-5 years of experience in Accounts Receivable/O2C/Finance Operations, and knowledge of accounting principles.

Business Development & Partnerships Manager to support growth of an insurance software platform in Portugal and selected international markets. Focus on developing relationships with insurers, engaging senior stakeholders, and building strategic partnerships. Requires 5-10 years of experience in insurance technology sales, consultative selling, and partner development.