freelance English-speaking jobs in Valongo

Design, build, and deliver custom solutions that extend the Salsify platform for strategic customers. Solutions include full-stack applications, integrations, API connections, and custom tooling. Collaborate with Project Managers and other Services colleagues to ensure successful project delivery.

French Language Acquisition and Ab Initio Teacher needed for MYP and DP programs. Must have a degree in French or related field, recognized teaching qualification, and 5 years of IB teaching experience. Ability to teach Spanish is a plus. Start date is immediate.

Data Engineer with expertise in AWS cloud environments. Proficiency in Python, SQL, Spark, and AWS services like Glue, Redshift, Athena, EMR, S3, and Lambda. Experience with ETL orchestration tools and containerization.

Lead and develop engineering teams, setting technical direction and architectural standards for large-scale distributed systems. Manage delivery, performance, and career progression while aligning technical execution with business priorities.

Provide high-quality technical assistance to users of digital platforms, tools, or services. Identify, analyze, and resolve technical issues related to systems, applications, accounts, and connectivity. Communicate technical information clearly and concisely. Maintain detailed records of cases, solutions, and technical observations. Contribute to identifying recurring problems and potential system improvements.

Junior Executive to drive growth and impact across three markets. Responsibilities include project ownership, strategic planning, and team leadership. Must be ambitious, results-oriented, and possess strong communication and organizational skills. Fluency in English and an EU work permit are required.

Powerplant Systems Specialist needed for a prestigious executive jet client. Support maintenance and engineering departments with engine and APU systems. Develop powerplant data requirements and identify fleet improvements. Coordinate powerplant modifications and review reliability reports.

The Sous Chef assists the Executive Chef with menu planning, inventory, and managing supplies. Responsible for food preparation, ensuring quality standards, and supervising kitchen staff. Must maintain sanitation regulations and handle staff scheduling and discipline.

Mathematics specialist fluent in Portuguese (Portugal) needed to train AI models. Expertise in algebra, calculus, number theory, and other mathematical fields required. Responsibilities include evaluating model performance, documenting errors, and suggesting improvements. Master's or PhD in mathematics or related field preferred.

Provide German-language customer support for a global video streaming platform. Must be native or near-native German speaker with minimum B2 English.

Automation Tester with 3+ years of experience in software quality assurance and test automation. Strong proficiency in UFT and Selenium required. Knowledge of Java, C#, or Python and fluency in French (B1 minimum) and English are also required.

Jobbex seeks a SAP SuccessFactors expert to provide functional and technical support for an EC Time project. Responsibilities include designing, building, and configuring Time Off and Time Tracking solutions, ensuring system integration, and producing documentation.

Manages and validates project scope, plans, and schedules for moderately complex programs. Monitors risks, manages project delivery, and drives completion.

Research scholarship for a Master student to analyze SCION router design and propose improvements, focusing on security mechanisms. The scholarship is for 3 months, potentially renewable, and will be based at NOVA Laboratory for Computer Science and Informatics.

Product Manager (IT) to define and implement value management frameworks, translate strategic objectives into measurable outcomes, and contribute to product roadmap prioritization.

The Admissions Manager leads the full admissions process, guiding families from initial enquiry to enrolment. This role requires strong organizational and analytical abilities, excellent communication skills, and experience using CRM systems. The successful candidate will manage interviews, tours, and meetings, analyze conversion rates, and collaborate with the marketing team.

As the Technical Lead for the Microsoft Power Platform product team, you will be responsible for the engineering and administration of the Power Platform and Dynamics 365 platform. You will act as a subject matter expert, ensuring robust, secure, and scalable solutions across a multi-tenant ecosystem. This role requires deep technical expertise in platform configuration, governance, and integration, as well as technical leadership in best practices and operational excellence. You will support AXA entities globally, advise on technical use cases, and work on product evolution topics.

Leads a team of UX/UI Designers and UX Architects, managing team performance, budget, and recruitment. Actively participates in design activities, providing guidance and expertise on interaction design, prototyping, and mockups. Ensures team adherence to company processes and best practices while fostering continuous improvement within the UX team.

Designs, builds, and operates AI capabilities for real-world applications, including LLM-enabled workflows, RAG, and agent-based systems. Translates business needs into working AI designs and collaborates with architects, platform engineers, and stakeholders. Contributes reusable AI assets and builds production-grade components.

Develop and implement patient recruitment, retention, and site engagement strategies. Partner cross-functionally to shape PSCS strategy and lead solution innovation. Present strategy recommendations and insights during client meetings.