student English-speaking jobs in Sertã

This internship supports the Technical Customer Services team in resolving technical and operational customer issues related to mobile connectivity services. Responsibilities include assisting with customer case investigation, monitoring support tickets, and collaborating with internal teams.

Perform corrective and preventive maintenance and troubleshooting on EV chargers. Respond to alerts and fix issues on-site. Plan routes and manage assigned territory. Stay current on charger technology and firmware updates.

Junior Designer to join the Apparel design team in Porto. Develop future collections for physical and online stores.

Leads a team responsible for the accurate and efficient management of fund-related data flows. Ensures timely receipt, analysis, and distribution of correspondence and coordinates electronic dissemination of information. Drives process optimization and collaborates with internal and external stakeholders. Requires minimum 5 years' experience in banking operations or fund administration with at least 2 years in a management role.

As an ASO Specialist, you will own and evolve app store strategy across multiple titles, driving organic growth and discoverability. You will develop keyword strategies, metadata frameworks, and store positioning, ensuring alignment between UA campaigns, store presence, and in-game experiences. You will build and scale a robust experimentation framework, leverage AI-driven tools, and partner with cross-functional teams to maximize conversion and long-term player value.

DentalMonitoring seeks a Product Specialist to drive sales growth and customer adoption of its AI-powered orthodontic care platform. The role involves understanding customer needs, identifying opportunities, and building relationships with key stakeholders. Successful candidates will have a minimum of years of sales experience in the orthodontic, dental, or medical device industry and a proven ability to influence and educate.

UX Researcher to work across Tether's product portfolio, including consumer apps and developer platforms. Responsibilities include conducting research, identifying UX best practices, and translating findings into actionable recommendations. Requires 5+ years of experience, strong communication skills, and the ability to work in a fast-paced environment. Must have experience with AI tools and be comfortable working with products involving trust, privacy, security, and technical complexity.

The Senior Specialist, Customer Success - External Talent Function will manage the end-to-end process of sourcing external talent for Bain clients. This includes working with case teams, talent vendors, and Bain's internal network to identify and recruit suitable advisors and contractors. The role also involves managing relationships with key stakeholders, creating marketing materials, and contributing to the development of new offerings.

Quality Assistant to support Quality Management System implementation and monitoring, laboratory operations, and regulatory compliance. Requires a degree in a relevant field, experience in Quality Assurance/Control, and knowledge of GMP, GACP, and ISO standards.

MailerLite seeks a Machine Learning Engineer to build and ship predictive models on behavioral data and fine-tune LLMs. Responsibilities include designing training and inference pipelines, collaborating with product and engineering teams, and ensuring reliable model outputs.

Data Engineer to implement data engineering and BI projects using Microsoft services in cloud and on-prem infrastructures.

Provide multilingual presales support for drone products via phone, email, and chat. Assist customers with product inquiries, purchases, and order-related questions.

Full-stack software developer needed to design, develop, and maintain software solutions using Node.js, Nest.js, and React.js. Experience with AI tools and services, Kafka, and Postgres is required. Collaborate with product, data, and UX teams to translate business needs into production-ready solutions.

SAP EWM Senior Consultant for international greenfield S4 HANA implementation project. Responsible for creating a template for Leica Camera entities, consulting on EWM implementation, and optimizing end-to-end processes.

Lead React/TypeScript architecture and design system across multiple products. Define standards, build frameworks, and partner with Product & Design to deliver accessible, high-performance web experiences.

French-speaking Customer Service Representatives provide phone, email, and chat support to a global client. Assist with product information, troubleshooting, and issue resolution.

Project Manager needed for pharmaceutical industry role. Must have 2+ years experience in team supervision, maintenance coordination, and GMP compliance. Bachelor's or Master's degree in a related field required. Strong leadership and communication skills essential.

As a Localization QA Game Tester, you will collaborate with a global team to ensure the accuracy and quality of localized games. Responsibilities include identifying and correcting language errors, ensuring adherence to console guidelines, and reporting on found issues. Fluency in Italian and conversational English are required.

Design and build scalable backend systems for AI orchestration workflows, including prompt management, tool calling, and multi-agent reasoning flows. Integrate with LLM providers and implement RAG pipelines. Lead technical design discussions and mentor other engineers.

Automation Engineer to develop and document cloud architecture solutions. Collaborate with the cloud architecture team on technical tasks, research, and analysis. Provide input on troubleshooting technical issues and contribute to technical documentation. Requires a Bachelor's degree and 5+ years of experience in cloud architecture, IT, or a related field.