freelance English-speaking jobs in Valongo

Lead ICT risk management, control, monitoring, and oversight within NAM's 2nd Line of Defence. Develop and coordinate the ICT risk management agenda, including governance, policies, and operating model. Own and coordinate the 2nd LoD ICT risk assessment plan, monitoring risks to NAM's ICT environment and services. Provide oversight and challenge on ICT risk remediation plans and deliver management and board reporting on ICT risk.

Production Support Engineer needed for international project in Lisbon. Provide Level 3 support for critical infrastructure and applications. Manage IT projects, coordinate technical teams, and contribute to FinOps initiatives. Strong technical background in Linux, WebSphere, Oracle, Autosys, CFT, Ansible, and cloud platforms is required. Excellent communication, problem-solving, and project management skills are essential.

Marsh's Risk Consulting team seeks a Property Risk Consulting Analyst to conduct on-site facility evaluations, property risk assessments, and develop risk reduction recommendations. The role requires a Bachelor's degree in Engineering or equivalent, 3+ years of experience in property risk assessment, and fluency in Portuguese and English.

Develop and execute sales strategies to grow market share in France. Identify and develop new business opportunities across target industries. Manage long sales cycles and build relationships with OEMs, suppliers, and integrators.

The University of Aveiro is seeking a First Stage Researcher (R1) for a Postdoctoral Fellowship in Condensed Matter Physics, Light-Matter Interaction, and Radiative Heat Transfer. Applicants must hold a PhD in Electrical Engineering, Physics, Applied Physics, Physical Engineering, or a related field. The selected researcher will develop analytical and numerical models for near-field radiative heat transfer and thermophotovoltaic (TPV) systems. The grant duration is 6 months, starting in July 2026, and may be renewed for additional periods.

Provide customer support for ByteDance e-commerce products and services via email, chat, and phone. Handle inquiries professionally, ensuring excellent customer experience.

Develop and implement features for a large React-based Single Page Application. Refactor and improve existing components and systems. Ensure high code quality through testing and code reviews. Collaborate with UX/UI designers, product management, and DevOps teams.

Manage IT projects from initiation to completion, ensuring on-time, within-scope, and within-budget delivery. Participate in digital transformation strategy definition and implementation. Manage projects including data integration, quality, governance, and migration. Provide training and support to business users on technology tools. Collaborate with cross-functional teams to identify and prioritize project requirements. Manage risks, issues, and ensure compliance with industry standards. Provide regular project updates to stakeholders and senior management.

Experienced SAP-SD Consultant needed for implementation, optimization, and maintenance of SD solutions in a global Tires business. Collaborate with internal customers, develop in ABAP/ABAP-OO, and manage interfaces to connected systems.

QA Automation Engineer to develop, maintain, and debug automated UI and API tests in Java/Groovy for Salesforce UI and middleware integrations.

Leads marketing and go-to-market strategy for a pre-development surf, wellness, and longevity platform. Manages founding-member pipeline and owns brand development. Seeks a doer with 7-15 years experience in luxury hospitality, membership clubs, or consumer platforms. Must be AI-native and comfortable with Portuguese, Brazilian, UK, and Gulf cultural codes.

We are seeking a detail-oriented Stock Controller and Delivery Driver to manage inventory, handle procurement, and transport prepared goods between our prep kitchen and satellite locations.

Expert Ruby on Rails Engineers sought for impactful projects. Design, architect, and lead development of robust, scalable systems and APIs. Mentor engineers and drive performance optimization.

Native Mobile Audio Developer to design, develop, and optimize audio systems for iOS and/or Android platforms. Experience with native audio APIs and real-time audio thread management required.

Machine Learning Engineer to develop and enhance image and point cloud processing solutions using ML and classical algorithms. Implement, manage, and optimize ML modules for efficient data processing. Provide status updates on work progress.

Leads global engineering organization, defining and executing engineering strategy with AI integration across tooling, delivery, and SDLC. Owns architectural direction of SaaS platforms, focusing on scalability, security, and reliability. Scales infrastructure to support millions of customers and transitions from single-product to multi-product architecture. Establishes and tracks engineering productivity metrics and delivery frameworks, optimizing processes for predictable, high-velocity delivery. Partners with Product leadership to co-own strategic planning and ensure timely delivery of innovative solutions.

We seek a proactive Game Developer with 3+ years of experience in ES6+, Pixi.js, Pixi-Spine, HTML5, and CSS3.0 to join our full-cycle development team. Experience in iGaming/Slots industry, understanding of game mechanics, and strong Spine animation skills are required. Must be proficient in Git, Jira, and fluent in Ukrainian.

Senior Java AI Engineer to design, develop, and deploy microservices, applying AI tools throughout the software development lifecycle.

Financial Analyst (Accounts Payable) will manage purchase orders, coordinate with vendors, process invoices, and reconcile vendor statements. Requires a Bachelor's Degree in Finance/Accountancy/Business, fluency in English, and experience in Accounts Payable or Purchase to Pay.

Senior Power BI Developer with 3+ years of experience in Desktop, Service, and Dataflows. Requires expertise in data modeling, DAX, Power Query, Oracle databases, and PL/SQL. Must have strong SQL skills, understanding of ETL/ELT processes, and experience with data governance and security. Fluent in French (C1/C2) and English.