customer service English-speaking jobs in Ponte de Sor

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.

KCS IT seeks a QA Engineer with +4 years of experience in Cypress and Playwright. The ideal candidate will have strong JavaScript/TypeScript skills, experience testing modern web applications, and familiarity with API testing and CI/CD tools.

Research studentship for a master's student to work on a project investigating the mitochondrial nexus in onco-cardiology. Tasks include participation in meetings, collecting interviews, designing a graphic novel, and presenting the artifact. Must have a degree in Communication Design, Graphic Design, Digital Design, or Multimedia Design and experience in illustration for graphic novels or comics.

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.

Customer Success Manager to build and scale customer journey in Portugal and Spain. Responsibilities include managing customer relationships, onboarding, adoption, retention, and expansion. Requires fluency in Portuguese and Spanish, 4+ years of Customer Success experience, and understanding of the full customer lifecycle.

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

Customer Success Manager fluent in English and German will support users, provide training, resolve issues, and contribute to product improvement. Requires a business/marketing or engineering degree and 3+ years of customer management experience.

Senior Tech Lead to design and architect innovative payment solutions using Java 17/21, Spring Boot, and a modern tech stack. Lead a team in Porto, collaborating with international stakeholders. 5+ years of experience in backend architecture within financial services or payments required.

Research Grant in Biotechnology, Chemistry, or related fields for the project GreenPATH. The grant will support enzymatic depolymerization of polymers for plastic recycling.

Experienced HR & EHS Manager to lead HR and EHS functions in Portugal and Poland. Develop and execute HR strategy, manage HR KPIs, oversee policies and employee relations, and lead talent development initiatives. Ensure compliance with labor legislation and implement EHS strategy across operations.

Develop and execute strategic plans for digital health technology adoption and scaling, including telehealth, remote monitoring, and mobile health applications. Integrate digital data and platforms into clinical workflows to improve care delivery and outcomes.

Senior Full Stack Engineer to deliver end-to-end features, refactor systems, and contribute to a rebranding initiative. Requires 8+ years of experience, proficiency in TypeScript, Node.js, React, and PostgreSQL, and strong system design skills.

Provide Danish and English language support to high-value clients via chat, email, and phone. Assist with a self-serve advertising platform and troubleshoot technical issues.

Manage translation projects, prepare quotes, assign tasks to vendors, perform quality checks, and coordinate reviews.

Coordinates, maintains, and improves Health & Safety and Environmental management programs. Ensures compliance with regulations and company policies. Conducts investigations, develops and implements management systems, and manages contracts.

Senior People Manager to lead the people agenda for an established organization in Portugal. Responsible for end-to-end ownership of the People function, partnering with leadership, and aligning with global frameworks.

Senior Scrum Master to lead, coach, and facilitate high-performing agile teams. Experience in SAFe and Scrum, strong communication and mentoring skills, and proven ability to drive change in a fast-growing company.

ElevenLabs seeks a GTM Recruiter to own the full recruiting lifecycle for the Go-to-Market organization. You will partner with leaders across Sales, Customer Success, Marketing, Partnerships, and Revenue Operations to hire exceptional talent. This role requires proven experience in full-cycle GTM recruiting, ideally in high-growth technology environments. You will design and manage candidate pipelines, partner with GTM Sourcers, and act as a trusted advisor to hiring teams.

Designs, develops, and maintains ServiceNow applications to support ITSM processes and business workflows.

PR professional to develop and execute PR and social media strategies for Anker, eufy, and soundcore in Portugal. Manage media relations, lead PR initiatives, and monitor social media engagement. Requires 2+ years of PR and social media experience in the Portuguese market and fluency in English and Portuguese.