Engineering Manager (m/f/d) - Machine Learning

Join SIXT as we redefine the future of mobility through innovative technology. As a Software Engineering Manager, you will spearhead engineering initiatives for critical platforms that drive our global fleet operations and enhance revenue optimization. Your teams will develop systems for fleet planning, lifecycle management, operational decision-making, and logistics, enabling data-driven strategies across a vast network of vehicles worldwide.In collaboration with product managers, data scientists, analysts, and business stakeholders, you will help design and scale solutions that forecast demand, improve fleet utilization, and facilitate real-time operational decisions. As we modernize our core platforms, your contributions will directly impact operational efficiency, customer satisfaction, and overall business performance within our global mobility ecosystem.YOUR ROLE AT SIXTLead and cultivate high-performing engineering teams, promoting a culture of ownership, continuous improvement, and technical excellence, with a focus on adopting modern software development practices, particularly in AI and agentic engineering.Empower teams to create and deliver scalable, reliable systems while fostering modern engineering practices and robust architectural thinking.Serve as a mentor and coach, guiding autonomous teams in overcoming complex technical and organizational challenges.Collaborate closely with product leaders to shape product vision, translating business challenges into technical solutions that deliver measurable value to customers and the business.Drive execution and delivery of large-scale cross-functional initiatives involving engineering, data science, analytics, and business stakeholders.Balance speed and quality by managing trade-offs between rapid delivery, system scalability, and long-term technical sustainability.

Join our dynamic team at Sixt as a Senior Data Governance Engineer, where you will play a pivotal role in shaping our data governance strategy. You will be responsible for establishing data management policies, ensuring compliance, and enhancing data quality across various business units. This is an exciting opportunity to contribute to our innovative projects while collaborating with cross-functional teams.

Join our innovative team at Sixt as a Senior Machine Learning Engineer, where you will lead the design and implementation of cutting-edge machine learning solutions. You will work collaboratively in a dynamic environment, tackling challenging problems and driving the company's data-driven decision-making processes.

Join Sixt, a leading global mobility service provider, as an RPA Developer in our Lisbon office. In this role, you will have the opportunity to design, develop, and implement effective robotic process automation solutions that enhance operational efficiency and streamline processes. You will work closely with cross-functional teams to identify automation opportunities and leverage RPA technologies to deliver innovative solutions.

Join our dynamic team as a Yield Management Analyst at Sixt in beautiful Lisbon! In this pivotal role, you will leverage data analytics to optimize pricing strategies, enhance revenue management, and drive profitability across our fleet of vehicles. Your insights will directly impact our business decisions and contribute to our growth in the competitive mobility market.

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 Sixt as a Senior Customer Insights Analyst and play a pivotal role in shaping the future of our customer experience. In this dynamic position, you will leverage your analytical expertise to extract insights from customer data, helping us enhance our services and meet our clients' needs effectively.As a key member of the TECH & Engineering department, you will collaborate with various teams to drive strategic decisions based on data-driven insights. Your ability to interpret complex datasets will be crucial in identifying trends and opportunities for improvement.

Join Sixt as a Senior SAP Basis Consultant and be a pivotal part of our dynamic team in Lisbon. In this role, you will leverage your expertise in SAP Basis to ensure the stability and performance of our SAP systems.Your responsibilities will include system administration, performance tuning, and collaborating with cross-functional teams to implement solutions that meet business needs.

Role overview Sixt SE is looking for a Workday Solutions Specialist to join the team in Lisbon. The position centers on supporting and improving HR processes through the Workday platform. Collaboration with teams from different departments is key to implementing and refining Workday features that strengthen HR operations. What you will do Partner with colleagues from various departments to deliver effective solutions within Workday Assist with the rollout of new functionalities in the Workday system Spot opportunities to enhance and streamline existing HR processes using Workday Location This role is based in Lisbon.

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.

Join our dynamic tech team at Sixt SE as a Backend Java Software Engineer! In this exciting role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our innovative applications. Collaborate with cross-functional teams to deliver high-quality software solutions that enhance our customer experience.

Join our dynamic team as a Support Engineer at Sixt in Lisbon. In this role, you will be instrumental in providing technical support and resolving issues related to our products and services. You will work closely with our engineering teams to enhance user experience and ensure customer satisfaction.

At SIXT, we are revolutionizing the operations of leading product organizations through the power of AI. In this pivotal role, you will be the foremost expert for all AI-related projects within the RENT Booking organization, guiding the integration of AI into product management workflows, engineering practices, and design methodologies. You will spearhead the transformation of a traditional product organization into a powerhouse enhanced by AI, embedding tools, frameworks, and best practices that boost productivity, expedite decision-making, and unleash unprecedented levels of impact. This is a hands-on leadership role where your technical expertise, product vision, and AI proficiency will empower teams, influence stakeholders, and drive the evolution of AI-powered product operations at SIXT.YOUR ROLE AT SIXTAct as the principal AI authority, providing guidance to Product Managers, Engineers, and Designers on AI adoption, tools, and best practices.Design and execute an AI-enhanced product workflow system, incorporating tools such as Claude Code, Claude Cowork, and autonomous AI agents into daily operations.Lead the organizational AI transformation by defining a roadmap for AI maturity, establishing standards for prompt engineering, and promoting AI literacy across teams.Collaborate with stakeholders from Product, Engineering, Design, and Data to identify impactful AI opportunities and prioritize initiatives with measurable business outcomes.Promote AI throughout the organization via workshops, playbooks, coaching sessions, and practical guidance, fostering adoption and cultural shifts.Establish success metrics for AI integration and outcomes, ensuring thorough tracking and ongoing optimization of AI-enabled processes.

Join our dynamic team at inetum2 as a Software Test Engineer. In this role, you will play a crucial part in ensuring the quality and performance of our software products. You will collaborate with cross-functional teams to identify and resolve software issues, implement testing protocols, and contribute to the overall improvement of our development processes.

SingleStore is seeking a Software Engineer (Graduate) to join its Lisbon office. This position centers on building real-time technology that helps businesses work more efficiently. The engineering team emphasizes teamwork, creativity, and hands-on ownership of projects from the initial idea through deployment. New graduates will collaborate closely with experienced engineers, receiving mentorship and opportunities for professional growth. Cross-functional work with product management, marketing, and sales is a regular part of the role. What you will do Design and improve product features using advanced technologies, including WASM Strengthen cluster fault tolerance for SingleStore deployments Boost SQL query performance with methods such as SIMD and LLVM code generation Create and refine search and costing modules for the query optimizer Contribute to both new and ongoing projects that ship with each release Write and test production software, gaining insight into the product and business operations Requirements Bachelor’s degree in Computer Science, Electrical Engineering, Computer Engineering, or a related discipline Strong grasp of computer science fundamentals, including operating systems, concurrency, multithreading, and server architectures Proficiency in C++ or C Solid understanding of algorithms and data structures Interest in building reliable, robust software Work environment Engineers at SingleStore work in small, collaborative teams and see their contributions go live with every release. The company values celebrating achievements together, both in the office and throughout Lisbon.

Sixt SE is hiring an AI Quality Assurance Engineer for its Lisbon office. This role centers on ensuring that AI systems operate reliably and meet strict quality and performance standards. Key responsibilities Test and validate AI systems to confirm they perform as intended Collaborate with data scientists and software engineers to develop and refine testing approaches Identify issues and contribute to the ongoing reliability of technology solutions Apply strong attention to detail to help AI products meet quality expectations Team collaboration This position is part of the IT department and involves working closely with technical colleagues, especially data scientists and software engineers.

Join our dynamic tech and engineering team at Sixt as an Automation/N8n Solution Engineer. In this pivotal role, you will harness the power of automation to streamline processes and enhance operational efficiency. Your expertise in n8n will enable us to innovate and deliver exceptional solutions that drive our business forward.

Role Overview Trustly is looking for a Senior Software Engineer in Lisbon, Portugal. This role focuses on building and improving payment solutions that help make online transactions smoother and more secure. The team values collaboration and creative problem-solving while working to extend the platform’s features.

Role overview Sixt SE seeks an Internal Audit Manager to oversee internal audit activities in Lisbon. The position centers on ensuring compliance with both external regulations and company policies. Attention to operational improvements is a key part of this role, with a focus on identifying areas where processes can be made more effective. What you will do Lead internal audit projects from the planning stage through execution Monitor and evaluate adherence to regulatory and internal standards Spot gaps in processes and suggest practical improvements Collaborate with teams throughout the organization to enhance operational efficiency Location The position is located in Lisbon.