Machine Operator - Loures

Join our dedicated team at Veolia Environnement SA as a Machine Operator in Loures, where you will play a crucial role in our operations and maintenance department. Your expertise in operating machinery will contribute significantly to our commitment to environmental sustainability and operational excellence.

Role Overview Pipedrive is hiring a Principal AI/ML Scientist & Engineer in Lisbon, Portugal. This role focuses on designing and building advanced machine learning solutions that improve product features and user experience. What You Will Do Lead the development of machine learning models and systems for Pipedrive’s products Work closely with engineering, product, and design teams to integrate AI features Apply scientific methods and engineering best practices to solve complex problems

Join Sixt, a global leader in mobility services, as a Blended Learning Designer. In this role, you will have the opportunity to leverage your creativity and expertise to design engaging learning experiences that blend traditional and digital learning methods. Your work will empower employees and enhance their skills in a dynamic environment.

Join Upwork Inc. as a Senior Lead Machine Learning Engineer, where you'll be at the forefront of developing cutting-edge agentic intelligence. In this pivotal role, you will architect, implement, and scale innovative AI agents and the underlying platform that supports them. Your responsibilities will encompass the entire development lifecycle—from training and evaluating large language models (LLMs) to orchestrating runtime environments, ensuring safety, and creating developer APIs. This is a unique opportunity to blend applied research with platform engineering, empowering both internal teams and external developers to create reliable, high-performing agents within the Upwork ecosystem.

Join inetum2 as a Senior Advisor for Learning and Strategy, where you will play a pivotal role in shaping our strategic initiatives and fostering a culture of continuous learning. You will collaborate with cross-functional teams to identify learning needs and develop strategies that empower employees to excel in their roles. Your insights will drive organizational effectiveness and enhance overall performance.

Join Upwork Inc. (Nasdaq: UPWK), a leader in connecting businesses with top-tier global talent empowered by artificial intelligence. As a Senior Lead AI Engineer, you will play a pivotal role in driving innovation and enhancing AI solutions across various work types, including freelance, fractional, and payrolled talent. Our diverse portfolio includes the Upwork Marketplace, which offers businesses immediate access to a vast pool of skilled professionals worldwide, and Lifted, our dedicated platform for enterprise organizations to efficiently source, manage, and compensate talent for all contingent work needs. From Fortune 100 companies to entrepreneurial startups, businesses depend on Upwork Inc. to discover expert talent, utilize AI-driven solutions, and transform their operations. With expertise spanning over 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and beyond, we empower businesses of all sizes to scale, innovate, and adapt in the age of AI and beyond.Since our inception, we have successfully facilitated over $30 billion in transactions and services, embodying our mission to create opportunities in every era of work. Explore more about the Upwork Marketplace at Upwork.com and connect with us on LinkedIn, Facebook, Instagram, and TikTok.

Join inetum2 as a Generative AI Developer and be at the forefront of AI innovation! In this role, you will leverage cutting-edge technologies to create and enhance generative models, pushing the boundaries of artificial intelligence applications.

Join our innovative team at inetum2 as an AI Architect. In this pivotal role, you will leverage cutting-edge artificial intelligence technologies to architect and implement solutions that drive business transformation. Your expertise will guide teams in developing AI strategies, ensuring alignment with organizational goals while fostering a culture of innovation.

Join inetum2 as a Generative AI Specialist, where you will play a pivotal role in leveraging advanced AI technologies to create innovative solutions. This position offers an exciting opportunity for creative minds to impact how businesses harness the power of generative AI.

At Arkadium, we're driven by a passion for creating enjoyable experiences through gaming. For over two decades, we've developed some of the most beloved games around the globe, from the classic Solitaire on Windows to numerous titles available on Arkadium.com, iOS, Android, and major gaming platforms worldwide.As an Evergreen company, our core values—Fierce Drive, Positive Energy, and Living Full Lives—guide our decisions and operations. We are privately held, founder-led, and take pride in being recognized as a top workplace, ensuring a stable yet dynamic growth environment.Our accolades include recognition from 'Happiness Works' for 2023, 2024, and 2025 in Portugal, as well as 'Crain's Best Places to Work 2022' and 'Great Place to Work' in New York for 2022 and 2023!Are you ready to join the Arkadium family? We're excited to hear from you!Position OverviewWe are seeking a passionate Data Scientist interested in exploring AI and gaming to develop practical applications of Generative AI and machine learning across our gaming platforms. In this role, you'll leverage existing Large Language Models (LLMs) and fine-tuning methodologies to demonstrate the potential of our data in enhancing AI models.Your contributions will also include employing traditional machine learning techniques to enrich player experiences, enhance internal tools, and provide actionable insights for product and marketing teams.Collaboration will be key as you work closely with engineers, product managers, and analysts to transform innovative ideas into scalable AI solutions that engage millions of players globally.We welcome applicants from mid-level to senior backgrounds, provided you possess a strong enthusiasm for AI and a desire to innovate and construct impactful systems.Key ResponsibilitiesInvestigate and implement Generative AI solutions utilizing existing LLMs.Experiment with fine-tuning and adapting models for applicable use cases.Employ traditional machine learning techniques to address challenges such as player behavior analysis, recommendation systems, and marketing optimization.Prototype and assess new AI-driven features and tools.Collaborate with cross-functional teams to align business needs with data science solutions.

TransPerfect is seeking a Senior AI Research Scientist to join its Lisbon office. This position focuses on advancing artificial intelligence and large language models (LLMs), contributing to the development of future TransPerfect products. Research here moves quickly from concept to real business applications, allowing direct impact on workflows and client solutions. About the AI Research Team The AI Research group at TransPerfect, previously known as Unbabel AI Research, has been central to the company’s progress for more than a decade. The team’s work includes award-winning achievements in machine translation, quality estimation, and language modeling. Their notable projects, such as the COMET and TowerLLM models, drive the GlobalLink platform and have streamlined processes for both clients and internal teams. What you will do Lead research and development efforts in AI and LLM technologies Work closely with a team known for its expertise in NLP and machine learning Translate research outcomes into practical business products and services Impact and Recognition Research from this team has been published at top conferences and shapes products used around the world. AI research at TransPerfect plays a direct role in how language technology supports businesses on a global scale.

Role Overview Join ComplyAdvantage as a Data Scientist, where you'll spearhead the development of innovative, data-driven solutions aimed at combatting financial crime on a global scale. Your primary responsibilities will be centered around Research & Development (R&D) and Strategic Initiatives, focusing on pioneering research in machine learning (ML), natural language processing (NLP), and Agentic AI to generate tangible business outcomes. Alongside in-depth R&D, you will also play a crucial advisory role for our Product and Engineering teams, equipping them with the quantitative insights and frameworks vital for scaling impactful, AI-driven functionalities. Key Responsibilities Innovate in R&D: Create high-impact prototypes for financial crime detection utilizing advanced multi-agent systems and retrieval-augmented generation (RAG) architectures based on foundational large language model (LLM) frameworks. Enhance Core Solutions: Collaborate closely with Engineering and Product teams to seamlessly integrate and optimize AI components and frameworks, ensuring they meet standards for reliability, scalability, and ethical performance in production. Assess LLM-based Systems: Contribute to the design and deployment of robust evaluation methodologies for LLM and Agentic AI systems, monitoring critical metrics related to task execution, reasoning accuracy, tool efficacy, and overall dependability. Review Model Context Protocol (MCP): Integrate our AI systems with external data sources and tools while offering engineering implementation recommendations. Understand Data: Cultivate a comprehensive understanding of our current data sources, identifying challenges and proposing improvements. Data Analysis: Employ exploratory data analysis and data mining techniques to uncover actionable insights for product enhancement, including behavioral patterns that can inform and refine agent behavior and prompt engineering strategies. Research & Innovation: Continuously investigate and assess emerging tools, technologies, and best practices in data science, particularly in the dynamic field of Agentic AI, to maintain ComplyAdvantage's leadership position. Cross-Functional Collaboration: Engage effectively with multidisciplinary teams to share best practices, expertise, and inspire innovation, fostering an AI-centric culture throughout the organization. Visualization & Roadmapping: Deliver clear data insights and visualizations that serve as a foundation for new concepts to be integrated into our solutions.

TransPerfect is seeking a Senior AI Research Scientist to join its Lisbon office. This role centers on advancing AI and large language model (LLM) research, with a direct link between innovative research and real-world business applications. The work supports the evolution of TransPerfect’s products and services. The Team The TransPerfect AI Research group, formerly known as Unbabel AI Research, has played a key role in the company’s growth for more than a decade. The team’s achievements include award-winning contributions in machine translation, quality estimation, and language modeling. Projects such as COMET and the TowerLLM series have enhanced workflows and strengthened the GlobalLink platform for both clients and internal teams. What You Will Do Lead research and development efforts focused on AI and large language models Collaborate with a team recognized for work presented at major NLP and machine learning conferences Transform research findings into solutions that power TransPerfect’s offerings Contribute to the development of next-generation machine translation and language technologies Location This position is based in Lisbon, Lisboa, Portugal.

About Riskified Riskified helps businesses grow their ecommerce operations by reducing risk. Our platform supports major global brands and public companies, protecting them from chargebacks and fraud while building customer loyalty. Clients include Acer, Gucci, Lorna Jane, GoPro, and many others. Our team brings together ecommerce risk analysts, data scientists, and researchers who use an AI-driven platform to evaluate transactions in real time, drawing on advanced identity verification to deliver actionable decisions. We value collaboration and innovation. People at Riskified work together to create products that make a real difference, and every team member has the chance to contribute to our broader mission. Role Overview Note: This position will be recruited, hired, and employed by a third-party agency. The Data Science department plays a central role at Riskified, building algorithms and scalable analytical solutions. The team applies advanced techniques such as classification models, natural language processing (NLP), anomaly detection, graph theory, and deep learning to extract value from data. As the Data Science Team Lead in Lisbon, you will guide a team of data scientists and remain hands-on with complex technical projects. The role covers recruiting, mentoring, and supporting team members, while ensuring the delivery of effective machine learning solutions for fraud detection and risk assessment. What You Will Do Technical Leadership Set technical direction for complex data science projects that use large-scale tabular data. Lead key projects and contribute production-quality code. Define and maintain best practices for model development, evaluation, and deployment. Conduct code reviews to ensure quality, maintainability, and adherence to standards. Help team members navigate challenging technical problems. Team Leadership and Management Recruit, onboard, mentor, and manage data scientists. Foster a collaborative environment that encourages experimentation and knowledge sharing.

Role overview Roland Berger seeks an AI Specialist (all genders) to join the team in Lisbon. The focus of this role is to create AI solutions that help clients enhance their operations and achieve better outcomes. Collaboration with colleagues from various backgrounds is central, with an emphasis on delivering results that make a real impact. What you will do Design and implement AI-driven solutions as part of a collaborative team Apply technical expertise to projects that drive business transformation for clients Support initiatives to increase efficiency through the practical use of AI Location This position is based in Lisbon.

About Us:TransPerfect stands as a premier name in translation technology, blending a dynamic start-up ethos with substantial industry expertise. We are on the lookout for an innovative and enthusiastic Backend Developer to enhance our cutting-edge Artificial Intelligence (AI) division. Within this forward-thinking team, you will have a unique opportunity to influence the trajectory of AI solutions on a global scale. Over the past decade, our AI team has evolved into a pivotal force for innovation, focusing on machine translation, generative AI, natural language processing, and automation.If you are an experienced backend developer eager to explore the frontiers of technology and leave a significant mark in the AI sector, we encourage you to apply. Join our diverse and global team of experts located across the USA, Spain, Portugal, and India. This role is perfect for those passionate about creating robust and scalable AI solutions.About the Role:As a Backend Developer, your main responsibility will be to tackle the final steps of document processing by transforming intricate, unstructured PDFs into well-organized, editable .docx files. Our aim extends beyond mere text extraction; we strive to faithfully recreate the visual and structural intent of the original documents, encompassing nested tables, multi-column layouts, font hierarchies, and styling.You will spearhead the research and development of our document conversion pipeline. This hybrid role requires you to be both a strategic thinker (keeping abreast of existing tools) and a hands-on developer (blending engineering and AI skills).Your key responsibilities will include:Comparative Analysis: Conduct thorough evaluations of commercial solutions (ABBYY, Adobe, AWS Textract) against open-source and AI-native alternatives (Mistral OCR, Docling, Nougat, LlamaParse).Benchmarking: Develop metrics for

About UsAt Riskified, we empower businesses to drive e-commerce growth by mitigating risk. Our platform is trusted by some of the world's leading brands and publicly traded companies in their online operations. We provide guaranteed protection against chargebacks, combat fraud and policy abuse at scale, and enhance customer retention. Our AI-powered fraud and risk intelligence platform, developed by a dedicated team of e-commerce risk analysts, data scientists, and researchers, analyzes each interaction to deliver real-time decisions and insightful identity-based analytics. We're proud to partner with a diverse range of exceptional companies, including Acer, Gucci, Lorna Jane, and GoPro.We excel in a collaborative environment that fosters innovation and product development that matters. The opportunity to contribute meaningfully drives our passion and purpose at Riskified, making it a fulfilling place to work.About the Role*** A third party will recruit, hire, and employ this position.The Data Science department is integral to our company, adding value through the development of algorithms and production-grade analytical solutions. We utilize advanced techniques such as classification models, NLP, anomaly detection, and deep learning to maximize the value of data. As a Data Scientist, you will engage in the entire project development cycle, implementing end-to-end solutions. This role requires a strong foundation in quantitative and analytical skills, proficiency in statistical modeling and machine learning, and a technical aptitude paired with a passion for problem-solving and driving data-informed decision-making.What You'll Be DoingData Exploration and Preprocessing: Collect, clean, and transform large, complex data sets from diverse sources to ensure data quality and integrity for analysis.Statistical Analysis and Modeling: Utilize statistical methods and mathematical models to uncover patterns, trends, and relationships in data, while developing predictive models.Machine Learning: Create and deploy machine learning algorithms, including classification, regression, clustering, and deep learning techniques, to address business challenges and enhance processes.Feature Engineering: Identify relevant features from structured and unstructured data sources, designing new features to improve model performance.

Join the Kaizen Gaming FamilyAt Kaizen Gaming, the driving force behind Betano, we stand as one of the largest GameTech companies globally, operating across 19 dynamic markets. Our mission is to harness innovative technology to deliver unparalleled experiences to millions of customers who rely on us for their entertainment.We proudly represent a diverse workforce of over 2,700 Kaizeners from more than 40 nationalities across three continents.As a member of our #oneteam, you’ll be part of a workplace recognized as one of the Best Workplaces in Europe and certified as a Great Place to Work across all our offices. Here, every day brings new opportunities and challenges. Are you ready to Press Play on your potential?About the RoleAs the Data Science Team Lead within our AI product team, you will spearhead the development and delivery of impactful AI solutions. Your role will be central to our AI initiatives, involving data analysis, the creation of machine learning models, and close collaboration with our tech team to develop successful AI products that drive business success.The ideal candidate will possess a robust understanding of machine learning algorithms, a strong track record of deploying ML/AI applications in live environments, and previous experience in managing and guiding AI teams.Key Responsibilities:Lead a team of 5 to 7 talented data scientists and machine learning engineers.Translate product specifications into machine learning challenges and identify key areas where AI can maximize business impact.Conduct data analysis to uncover significant patterns and generate actionable insights.Perform exploratory data analysis (EDA) and feature engineering to enhance the modeling process.Establish best practices in model selection, parameter tuning, and optimization.Execute comparative experiments for model training.Evaluate different solutions by analyzing ML metrics.Oversee the complete lifecycle of AI features—from data collection through model design to implementation and optimization in production.Mentor junior team members and guide the team through complex projects.

Role overview Dashlane is hiring a Director of Engineering in Lisbon, Portugal. This leader will guide engineering teams as part of the company’s broader leadership group. The Director will help shape the technical direction for Dashlane’s security products and play a key role in building a collaborative, high-performing culture. What you will do Lead and mentor engineering teams working on security solutions Set and influence the strategic direction for engineering initiatives Work closely with other leaders to ensure Dashlane’s products meet and exceed customer expectations Promote a culture of excellence and teamwork within the engineering organization What we are looking for Proven experience in software development Demonstrated success managing and growing engineering teams Ability to drive technical strategy and foster collaboration This position is based in Lisbon, Portugal.

Join Mollie as an Engineering Manager in our Platform Engineering team, where you will lead and inspire a talented group of engineers. You will play a crucial role in shaping our platform's architecture and driving innovation to ensure we deliver the best payment solutions for our customers.