specialist English-speaking jobs in Mafra

Supports the Financial Planning & Analysis team in budgeting, forecasting, and performance analysis. Prepares variance analysis, collects and consolidates financial data, and monitors costs and investments. Collaborates with stakeholders to clarify information and contribute to process improvements.

Joom seeks a Strategic Partnerships & Payment Operations Manager to lead payment infrastructure scaling. Responsibilities include analyzing financial flows, negotiating payment partner contracts, launching new payment methods, and tracking payment metrics. Requires a proven track record of closing deals with payment systems, deep understanding of European payments, and technical knowledge of online payments.

Senior Frontend Engineer to design, develop, and maintain high-performance web applications for trading analytics and execution monitoring. Responsibilities include building scalable frontend architectures using React, Next.js, and related technologies, participating in the full software development lifecycle, and collaborating with stakeholders to translate requirements into technical solutions. Requires 5+ years of professional software development experience and expertise in TypeScript, HTML5, CSS3, and frontend tooling. Experience with testing frameworks (Jest, Playwright), data grid solutions (AG Grid, DevExtreme), and real-time applications is highly desirable.

Senior Data Scientist to design, develop, and maintain machine learning models for production environments. Focus on building models to predict bad actors, find anomalies, and generate predictions based on profile and transaction data. Requires 5+ years of experience in Data Science with a strong portfolio of ML models. Proficiency in Python libraries (Pandas, NumPy, PyTorch/TensorFlow, Scikit-learn) and SQL is essential. Experience with MLOps tools (MLflow or ClearML) is preferred.

Devexperts seeks a Middle/Senior Java Developer to join the Research & Development Team. The role involves developing and maintaining high-performance, low-latency, distributed systems for order lifecycle management. Responsibilities include code optimization, documentation, testing, and collaboration with colleagues. The ideal candidate possesses strong Java skills (11+), experience with Spring, AspectJ, and Kotlin, and familiarity with Docker, PostgreSQL, and ELK.

Senior Java Backend Developer to design, build, and maintain backend services and APIs. Experience with Terraform, Kafka, Kubernetes, and GraphQL Federation required.

Junior Cybersecurity & Cloud Operations Analyst will monitor and maintain endpoint security, respond to security alerts, and support cloud operations. Experience in IT operations, cloud operations, or cybersecurity is required.

Lead a distributed team of security researchers across Portugal and Israel, setting direction, growing people, and driving research for Checkmarx products. Own the team's roadmap, KPIs, and ways of working while mentoring researchers and shaping solutions.

Experienced cybersecurity project manager needed for a hybrid role in Porto, Portugal. Must have 10+ years of IT and cybersecurity experience, including 3+ years managing complex projects. Lead cybersecurity initiatives from planning through closure, ensuring alignment with organizational standards and governance. Fluency in English (C1+) and French (C1+) is required.

SAP Functional Consultant (S/4HANA Finance) needed for projects involving analysis, design, configuration, and support of SAP S/4HANA Finance modules. Requires 5+ years of experience as a SAP Functional Consultant with strong knowledge of end-to-end financial processes and SAP S/4HANA Finance solutions.

This Customer Success Manager role focuses on driving growth for DSO accounts in Portugal. The successful candidate will develop strategic account plans, maximize Straumann Group's share of wallet, and support the acquisition of new customers.

Lead and elevate Concierge operations at ME Lisbon, a luxury lifestyle hotel. Curate unique guest experiences, manage requests, and champion operational excellence. Requires 2-3 years of luxury hospitality experience, fluency in Portuguese and English, and knowledge of Lisbon.

Security Operations Officer needed for a strategic international project in Lisbon. Ensure security compliance, collaborate with product teams, and support security testing and vulnerability remediation. Requires a Bachelor's degree, 7+ years of IT and security experience, and fluency in English.

Senior Digital Marketing Consultant will implement optimization solutions, build campaigns, analyze data, and create reports. Requires native German and fluent English, 2+ years Google Ads or DV360 experience, and knowledge of digital marketing tools. Must be detail-oriented, analytical, and able to work independently and collaboratively.

Senior Java & Angular Full Stack Developer to design, develop, and maintain web applications. Expertise in Java, Spring Boot, Angular, SQL, and CI/CD pipelines required. Agile experience and Jira proficiency essential.

Senior Database Administrator (DBA) to manage and optimize database platforms, ensuring performance, stability, and reliability. Requires proven DBA experience, strong SQL knowledge, Azure SQL Database Hyperscale expertise, and problem-solving skills.

The Public Relations Manager supports initiatives to enhance visibility and strengthen the hotel's reputation. The role secures media coverage, manages social media, and contributes to the annual PR plan. The ideal candidate has a Bachelor's degree in a related field and at least three years of experience in public relations.

Design and implement secure cloud architectures (AWS & Azure). Operate and optimize SIEM platform (Microsoft Sentinel). Deploy and manage Microsoft Defender solutions. Automate security controls using Infrastructure as Code (Terraform, Bicep).

Senior Frontend Engineer will build and maintain responsive landing pages, websites, and web applications using HTML, CSS, and React.JS. Collaborate with designers and backend developers to integrate APIs and ensure cross-browser compatibility.

Business Development Specialist to drive results across ventures and initiatives. Responsibilities will evolve and grow over time. Seeking a highly ambitious, proactive, and results-oriented individual with strong analytical skills and the ability to collaborate effectively. Must be fluent in Portuguese or Danish and English.