specialist English-speaking jobs in Mafra

Senior AI / GenAI Engineer to design, develop, and deliver innovative AI-powered solutions with a focus on Generative AI and LLMs. Requires a degree in Computer Science, Information Technology, or similar, strong Python skills, and experience with AI and Generative AI solutions. Experience with cloud platforms (AWS, GCP), building scalable AI systems, and data pipelines is also needed.

Junior Sales (Business Development) role for recent graduates or early career professionals (0-3 years) seeking real sales experience. Prospect, build pipelines, create proposals, and work with experienced sales professionals. Fluent English required, other languages a plus.

Senior RPG Developer to support technical analysis of iSeries applications, coordinate upgrades, perform performance analysis, and troubleshoot errors. Requires Bachelor's degree in Information Technology or related field and 4+ years experience. Must have strong RPGLE, SQL, and iSeries knowledge.

Senior Data Scientist will design and deliver real-time machine learning models to protect GoCardless' global payment network. Responsibilities include contributing to the full model lifecycle, designing real-time ML systems, and collaborating with engineers, fraud analysts, and product managers.

QC Associate will define and implement quality control techniques to ensure the quality of raw materials, intermediates, and finished products. Responsibilities include executing analytical projects, ensuring compliance with GMP and regulatory requirements, and managing laboratory operations.

Entry-Level Cashier needed to process customer transactions, handle payments, and provide excellent customer service. Must have strong math skills, attention to detail, and communication skills. High school diploma required. Previous cashier experience preferred.

Craft seamless, high-performance web experiences using HTML, CSS, and JavaScript frameworks. Collaborate with designers, product managers, and back-end developers to build and optimize user interfaces.

KLx, the Portuguese subsidiary of Crédit Agricole S.A., seeks an experienced Operational Risk & Business Continuity Manager. The role involves identifying, assessing, and mitigating operational risks, developing business continuity frameworks, and ensuring compliance with Crédit Agricole's risk management model.

Principal Software Engineer I will focus on Elasticsearch's scale, performance, and resilience. Responsibilities include improving indexing components, maintaining cluster coordination, and addressing performance or concurrency issues. Strong background in distributed systems and consensus algorithms, core Java, and algorithms is required.

This role drives control implementation across TUI's CISA-aligned Zero Trust program, translating strategy into deployed controls that reduce risk. You'll own the measurement framework for Zero Trust maturity progression, using tools like Microsoft Security Exposure Management and Maester. You'll work with pillar owners to convert workshop outputs into active delivery backlogs, ensuring each control has a single named owner. Technical depth across pillar-specific control areas is required, including Conditional Access policy design, Entra ID Governance, and data loss prevention. You'll present Zero Trust progress in terms of attack surface change and business impact.

Design, develop, and maintain robust fullstack applications using Java for backend services and React for frontend interfaces. Write clean, maintainable, and well-documented code following industry best practices and coding standards. Develop and maintain RESTful APIs and integrate third-party services seamlessly.

Test Automation Engineer to work with consultants and business representatives. Responsibilities include creating, maintaining, and executing test scripts, managing defects, and creating reports. Requires a Bachelor's/Master's degree in a relevant field, 1-3 years of test automation experience, and excellent English communication skills.

Leads and transforms HR operations within a new Global Business Services organization. Responsible for delivering high-quality, compliant, and efficient HR services across multiple geographies. Drives continuous improvement, employee experience, and operational transformation.

Accountant needed in Lisbon to prepare financial reports, manage accounts payable/receivable, ensure tax compliance, and collaborate with teams.

Experienced Operations Director to lead and evolve operations across Portugal, ensuring consistent, high-quality care and driving financial performance.

Electrical Engineer to provide technical support for power quality monitoring and analysis solutions across Europe. Responsibilities include remote and on-site customer support, troubleshooting hardware and software issues, and technical documentation.

Develop and maintain Ansible playbooks for database and infrastructure automation. Administer and troubleshoot database environments (Oracle, PostgreSQL, SQL Server). Support data replication processes.

Design, build, and scale AI-powered solutions using machine learning and generative AI technologies. Develop robust AI application architectures and contribute to innovation.

Python Developer needed for railway ticketing integration and supplier onboarding application development. Requires 4+ years of commercial experience, including Senior Developer experience, with Python, Django, FastAPI, PostgreSQL, Redis, and strong AsyncIO skills.

Senior ETL Developer needed for challenging data project. Design, develop, and optimize data integration solutions using ETL tools like Informatica PowerCenter, ODI, Talend, or Stambia. 5+ years of experience as a Data Engineer required.