specialist English-speaking jobs in Mafra

Dynamic Head of Science & Biology Teacher role at King’s College School. Lead Biology, Chemistry, and Physics departments, mentor staff, and teach Years 7-13 using the Cambridge curriculum. Requires a BSc in Biology and teaching qualification.

Senior backend engineer to maintain and evolve a production platform supporting AI-powered language services. Responsibilities include building and improving backend services, async workflows, API integrations, and state management. Experience with .NET, PostgreSQL, Redis, RabbitMQ, Docker, Kubernetes, and AWS is required.

Production Operator needed for factory operations, focusing on production and quality. Requires electrical and instrumentation maintenance skills, technical qualifications, and fluency in English and Portuguese.

Microbiology Specialist role ensuring production environment compliance in cleanroom manufacturing. Responsibilities include managing quality processes, supporting the microbiological lab, and ensuring MDSAP compliance. Requires a relevant degree and 2+ years of experience.

Own the Case Risk Rating (CRR) framework, managing methodology, data requirements, and governance. Analyze portfolio risk performance and engage stakeholders to ensure framework adoption across global client engagements.

Chief Accountant oversees accounting operations, ensuring accurate financial reporting and compliance. Responsibilities include preparing financial reports, supporting month-end closing, and monitoring financial processes. Requires a degree in a related field and experience in a senior accounting role. Fluent in English and Portuguese.

Senior Full Stack Developer to build user-facing features in React and maintain Node.js backend services. Requires expert JavaScript/TypeScript, performance optimization, and automated testing with Jest.

Senior Software Engineer to own full-stack AI-powered features from UI to deployment. Build with LLMs and agentic frameworks for live client and internal delivery. Raise engineering standards through code review, testing, and CI/CD. Must have 5+ years of production software development experience, strong TypeScript/React and Node.js/Python skills, and experience with LLM APIs and agentic frameworks. Fluent English required.

Sales Representative needed to assist customers via phone and writing to find used auto parts. Responsibilities include registering new customers and processing orders. Fluency in Portuguese and French is mandatory.

Senior HR Application Support Analyst providing Level 1 and 2 support for Oracle Cloud HCM. Responsibilities include resolving technical issues, managing communications, and ensuring data quality. Requires 9+ years of experience and mandatory fluency in French.

Compliance Analyst role supporting security governance and compliance initiatives. Responsibilities include managing projects, reviewing policies, conducting control testing, and performing risk assessments. Requires 3-5 years in security compliance or related information security.

Provide Level 1 technical support for EV charging stations via phone, email, or chat. Perform basic troubleshooting, document interactions in ticketing systems, and escalate complex issues. Native Dutch and English proficiency required.

Seeking a Front-End Developer to build cutting-edge web applications. Responsibilities include developing user-facing features using Reactjs and building reusable code. Requires a degree and strong knowledge of HTML5, CSS3, JavaScript, and Reactjs.

Customer Support Specialist needed to assist customers with technical and accounting issues via phone, email, and chat. Requires fluency in Italian and professional French, plus English.

Senior Financial Analyst role involving management control, financial analysis, and reporting. Responsibilities include month-end close, budgeting, and supporting business objectives within a multinational environment.

Accountant supporting accurate, timely financial reporting for European entities. Assists with monthly management accounts, balance sheet reconciliations, and statutory reporting. Requires 2+ years experience in a fast-paced, multi-entity environment.

Experienced Workplace Engineer needed to support endpoint management via Intune, VDI using VMware/Omnissa, and M365 administration in a hybrid environment. Requires expert skills in listed tools and proficiency in Portuguese and English.

Billing Agent requires German fluency to manage client documentation, resolve billing issues, and ensure monthly targets are met. Responsibilities include invoice validation, data entry, and supporting the commercial team.

French-speaking Travel Advisor needed to provide customer support via chat, email, and phone in the travel and booking sector. Responsibilities include handling queries, reservations, and adjustments. Requires C2 French and C1 English skills.

Data Annotator needed for a short-video platform, requiring native or fluent Russian and B2 English. Responsibilities include reviewing and labeling multimedia content to train AI models. Must have 6+ months experience in data annotation or content moderation.