Senior Data Scientist - Generative AI

Join the Kaizen Gaming Team!At Kaizen Gaming, the innovative force behind Betano, we rank among the largest GameTech companies globally, with a presence in 20 markets. Our mission is to harness cutting-edge technology to deliver an unparalleled experience to the millions of customers who rely on us for their entertainment.Our diverse team comprises over 2,70…

Join us at ComplyAdvantage, a premier SaaS provider transforming how fintech companies navigate intricate regulatory environments. Our innovative platform enables compliance and risk management for a diverse range of financial services firms, from burgeoning startups to established enterprises. We are committed to empowering our teams to tackle significant challenges and deliver exceptional value to our customers.Role OverviewAs a Senior Data Scientist, you will spearhead the creation and enhancement of advanced data-driven solutions aimed at detecting and preventing financial crime on a global scale. Your primary focus will be on Research & Development and Strategic Initiatives, dedicating 80% of your time to pioneering research in Machine Learning (ML), Natural Language Processing (NLP), and Agentic AI to generate measurable business impact within 3-6 month timeframes. Alongside conducting in-depth R&D, you will offer expert advisory support and technical leadership to our Product and Engineering teams. By guiding AI Enablement initiatives, you will equip these departments with the quantitative insights and frameworks required to scale impactful AI-driven features while mentoring junior team members.Key ResponsibilitiesLead R&D in GenAI and Agentic AI: Design and prototype innovative solutions for financial crime detection, emphasizing multi-agent systems and RAG architectures based on foundational LLM frameworks.Drive Production Excellence: Collaborate with Engineering and Product leadership to architect and oversee the integration of AI components into core product features. You will set the standards for reliability, scalability, and ethical AI performance, ensuring that research prototypes evolve into robust, production-grade solutions.Establish Evaluation Frameworks: Lead the formulation of comprehensive evaluation methodologies for LLM and Agentic AI systems, defining industry-standard metrics for task completion, reasoning accuracy, and system reliability.Evaluate Model Context Protocol (MCP): Investigate applications to connect our AI systems with external data sources and tools, providing strategic recommendations for engineering implementation.Strategic Data Insights: Conduct advanced exploratory analysis across various data sources to uncover insights that directly inform product development decisions and agent behavior.Research & Innovation: Continuously explore and assess emerging tools and best practices in data science and Agentic AI to maintain ComplyAdvantage's leadership in the field.

Join GoCardless as a Senior Data Scientist and play a pivotal role in transforming payment intelligence. In this position, you will work at the intersection of data and technology, collaborating with Software Engineers, Product Managers, and Designers to innovate and optimize our payment solutions. You will be responsible for the complete lifecycle of our algorithms, from conception to production-ready deployment, utilizing advanced AI techniques to enhance payment success rates and mitigate fraud. Our tech stack, primarily based on Google Cloud Platform and Vertex AI, allows you to leverage Python, SQL, and BigQuery to deploy robust models at scale.

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.

NielsenIQ is seeking a talented and experienced Principal Data Scientist to join our dynamic team in Lisbon. In this role, you will leverage your expertise in data science to drive innovative solutions and insights that influence strategic business decisions. You will collaborate with cross-functional teams to develop predictive models, analyze complex data sets, and create actionable insights that support our clients in achieving their objectives.

Join GoCardless as a Fraud Prevention Data Scientist, where you'll be instrumental in fortifying our payment platform against fraud. Collaborate with a talented team of Engineers and Fraud Analysts to design and implement cutting-edge predictive models that enhance our fraud detection capabilities. Your role will encompass the entire lifecycle of machine learning solutions—from initial feature engineering to deployment in a production environment—aimed at minimizing false positives and streamlining controls. Engage with cross-functional teams to ensure our machine learning products are scalable within our Google Cloud Platform infrastructure, fostering innovation in the fintech landscape while delivering an exceptional customer experience.

Join inetum2 as a Data Scientist and leverage your analytical skills to drive data-driven decision making. In this role, you will work with large datasets, utilize advanced analytics techniques, and collaborate with cross-functional teams to uncover insights that impact business strategy.

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.

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.

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.

As a Lead Data Scientist at NielsenIQ, you will spearhead innovative data-driven projects that provide actionable insights to our clients. You will lead a team of talented data scientists and collaborate with cross-functional teams to design and implement advanced analytics solutions that enhance our market understanding.

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.

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 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.

Join inetum2 as a Generative AI Engineer, where you will play a pivotal role in developing cutting-edge AI solutions. In this dynamic position, you will collaborate with multidisciplinary teams to create innovative AI applications that enhance user experiences. If you are passionate about transforming ideas into reality through artificial intelligence, we want to hear from you!

About Indicium AI Indicium AI stands at the forefront of AI innovation, partnering with the world’s leading enterprises to implement AI solutions at scale. As a global consultancy specializing in AI, we possess extensive expertise across diverse sectors including Financial Services, Energy and Utilities, Healthcare and Life Sciences, Retail and Consumer Packaged Goods, and Manufacturing. Our approach spans from strategic planning to execution, ensuring that we unlock substantial value from AI with unparalleled speed, clarity, and effectiveness. With a team of over 600 AI professionals supporting more than 50 enterprise clients across five global locations, we collaborate closely with top-tier partners such as Anthropic, Databricks, AWS, OpenAI, and Microsoft to deliver cutting-edge AI solutions that yield measurable results. Opportunity We understand that the field of data is vast, and we invite candidates with diverse data backgrounds and cloud expertise, particularly those skilled in building high-quality software systems. As an outcome-focused consultancy, we seek individuals who thrive in a consultative environment, addressing challenges in a comprehensive, end-to-end manner. Our talented and diverse team hails from various backgrounds and experiences, providing a rich learning environment for all. Responsibilities Lead the technical implementation and delivery of advanced data systems and AI-enabled applications. Identify and solve complex data challenges and opportunities at scale. Contribute to the architecture and design of intricate systems. Collaborate with clients to successfully realize their data strategies. Engage with your cross-functional team during the implementation of comprehensive solutions. Participate in internal initiatives such as blogs, technical forums, and technology practices. Drive your personal development by utilizing tools and support from Indicium AI to acquire new skills.

Sixt is looking for a Senior Social Data & AI Specialist in Lisbon to shape how data and artificial intelligence inform social media strategy. This position centers on using analytics and AI tools to strengthen the company’s social presence and support growth. Role overview This role focuses on analyzing social media data and turning findings into actionable insights. The Senior Specialist will work closely with colleagues from different departments to ensure data-driven decisions support business objectives. Key responsibilities Analyze social data to identify trends and opportunities Develop and apply AI-based insights for social media initiatives Collaborate with teams across the company to integrate findings into broader strategies Location This position is based in Lisbon.

About Indicium AI Indicium AI is a globally recognized consultancy specializing in artificial intelligence. We empower the world’s foremost enterprises to seamlessly integrate AI into their operations at scale. With a proven track record across diverse sectors including Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail & CPG, and Manufacturing, we provide unparalleled clarity, speed, and capability in unlocking AI-driven value. Supported by a team of over 600 AI specialists across five international offices, we collaborate with premier partners such as Anthropic, Databricks, AWS, OpenAI, and Microsoft to deliver impactful AI solutions swiftly and efficiently. About the Role We are seeking a Senior Data Engineer who will act as the technical lead during client projects, overseeing architectural decisions, managing the delivery of intricate data platforms, and establishing engineering standards throughout engagements. This position demands a blend of advanced engineering expertise and exceptional communication abilities to influence stakeholders, mentor team members, and uphold the highest standards of data platform delivery. Key Responsibilities Architecture & Technical Leadership Champion the comprehensive design and implementation of scalable, production-ready data architectures, including Data Warehouses, Data Lakes, and Lakehouses. Set forth data engineering standards, patterns, and guidelines for the team and client projects. Exercise complete technical independence—propose, challenge, and refine architectural solutions both with clients and internally. Advanced Pipeline Engineering Design, construct, and sustain mission-critical ELT pipelines. Enhance complex data workflows for optimal performance, cost-effectiveness, and long-term sustainability. Infrastructure & Platform Engineering Manage data infrastructure provisioning and lifecycle oversight using Infrastructure as Code (Terraform), ensuring scalability, security, and reliability at an enterprise level. Spearhead cloud architecture strategies across AWS and/or Azure, aligning platform decisions with client objectives and commercial considerations. Governance, Security & Reliability Develop and enforce data governance frameworks, including access policies, data quality standards, lineage, and observability, particularly in complex, regulated environments.

Role overview Sixt SE seeks a Senior Data Engineer in Lisbon to focus on AI and agentic pipelines. The role involves designing, building, and maintaining data pipelines that power AI initiatives throughout the company. Collaboration with teams from different disciplines is central, with a strong focus on data quality, scalability, and dependable performance. What you will do Design and develop data pipelines for AI-driven applications Maintain and optimize current data workflows Work closely with teams across the company to uphold data quality standards Support scalable and high-performance data solutions Contribute to data-driven decision-making across the organization Location This position is based in Lisbon.

About Indicium AI Indicium AI stands at the forefront of AI-driven solutions, empowering top global enterprises to harness artificial intelligence efficiently and at scale. As a prominent AI-native consultancy, we specialize in delivering transformative AI strategies across various sectors, including Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail & CPG, and Manufacturing. Our expertise ranges from strategic planning to implementation, ensuring we unlock substantial value from AI with unparalleled clarity and speed. With a dedicated team of over 600 AI specialists serving more than 50 enterprise clients from five global offices, we collaborate closely with industry leaders such as Anthropic, Databricks, AWS, OpenAI, and Microsoft to drive modern AI solutions with tangible impact. ABOUT THE ROLE As a Data Engineer at Indicium AI, you will play a pivotal role in managing essential workstreams during client engagements. You will design and implement robust data solutions in production settings, navigate complex data pipelines with minimal supervision, and contribute to the automation of our infrastructure. Additionally, you will provide technical mentorship to junior team members, directly influencing the data platforms of organizations spanning financial services, retail, energy, and more. KEY RESPONSIBILITIES Pipeline Design & Development Design, develop, and maintain high-performance ELT pipelines, applying best practices in data engineering. Build and oversee data loading processes for both relational and non-relational distributed storage systems. Aggregate and transform large datasets utilizing distributed processing technologies such as Spark, Kafka, Presto, or similar. Infrastructure & Automation Provision and sustain data infrastructure using Infrastructure as Code (IaC) tools, primarily Terraform. Automate the lifecycle management of infrastructure to ensure consistent adherence to scalability, reliability, and security standards. Reliability & Governance Manage SLA monitoring for data pipelines, proactively identifying and resolving issues in both cloud and on-premises environments. Implement data access policies and quality standards in accordance with client governance requirements. Collaboration & Influence Collaborate with analysts, architects, and client stakeholders to effectively translate business needs into sound technical solutions. Contribute to technical decision-making processes and promote best practices within the team.