Jobs at Sixt SE

Acquire new corporate customers in the Swiss SME market, consult clients on tailored mobility solutions, negotiate and close offers, and grow a portfolio of new accounts. The role also involves improving sales processes and optimizing daily routines. Candidates need Swiss-market sales or account-management experience, strong target orientation, excellent communication skills, familiarity with MS Office and CRM systems, and fluent German and French.

Build and scale Java backend software for SIXT’s B2B Sales platform. Design and own cloud-based distributed systems and microservices, develop shared libraries and internal tooling, implement event-driven architectures using message brokers such as Kafka, and improve scalability and resilience. The role also promotes AI-assisted development with tools including Cursor and Claude while requiring sound engineering judgment.

Build and scale Java backend services powering personalized, data-driven customer communications at global scale. Design distributed, event-driven microservices; develop shared libraries and internal tooling; improve reliability and delivery speed; and collaborate with product, marketing, and engineering stakeholders. The role also involves using AI coding assistants such as Claude and Cursor while validating and owning generated code.

Supports an in-house consulting team through AI use-case analysis, technology benchmarking, competitive research, business-case development, operating-model design, change-management initiatives, and process automation. The intern helps prioritize strategic solutions, support Business Leads, remove organizational blockers, and accelerate adoption of AI-driven operational transformation.

Provides customer service and rental sales support while managing vehicle readiness, inventory, service coordination, cleanliness, routine checks, driving, and staging. Maintains accurate fleet and customer records, collaborates across teams, and supports efficient daily rental operations. Requires flexibility for varied shifts, including evenings, weekends, and holidays.

Build and operate production machine learning models and optimization algorithms for demand forecasting, shift planning, and staffing optimization. Develop scalable MLOps infrastructure, deployment foundations, data pipelines, monitoring, and logging. Partner with Workforce Management teams to turn operational challenges into data-driven solutions while automating and improving the data science technology stack.

Provides customer service throughout vehicle rentals, explains vehicle options and add-ons, supports sales, manages fleet readiness and inventory, coordinates with service partners, performs vehicle checks and cleaning, drives and stages vehicles, and maintains operational records. Requires flexibility for varied shifts and strong teamwork in a fast-paced rental environment.

Design and lead scalable SAP S/4HANA solutions for Finance, Controlling, and Sales & Distribution across a global mobility business. The role drives SAP R/3-to-S/4HANA transformation, integrates SAP with cloud-native microservices and classic systems, translates accounting and tax requirements into enterprise architectures, and guides international SAP development teams. It requires expertise in SAP Finance, Controlling, SD, integration technologies, cloud platforms, data architecture, real-time processing, analytics, and data warehousing.

Own HR policy and handbook reviews, compliance alignment, versioning, approvals, and rollout across locations. Conduct personnel file and I-9 audits, track mandatory training and policy acknowledgments, manage leave and ADA accommodation documentation, and assist with EEO-1, VETS-4212, OSHA, and ACA reporting. The role requires strong knowledge of employment regulations, excellent organization, discretion, communication skills, and a proactive approach.

Configure and deploy loyalty campaigns in SessionM, including earning rules and redemption mechanics. Build automated customer journeys and personalized communications in Salesforce Marketing Cloud, conduct functional and data QA, maintain CRM and loyalty data integrity, create audience segments, monitor post-launch performance, troubleshoot issues, and develop reusable automation templates and workflows. Collaborate with marketing, CRM, IT, and customer service teams to deliver accurate, effective campaigns.

Own product and digital analytics for SIXT’s internal software. Analyze user behavior, funnels, friction points, and feature performance; build reliable dashboards and datasets; lead frontend and backend event-tracking quality; conduct branch-focused data deep-dives; and collaborate with product managers, engineers, and analysts to define metrics and drive product improvements.

Build Python pipelines and AI-driven automation for paid search optimization using Google Ads API and SA360. Develop bidding models, incrementality experiments, agentic analytics workflows, and warehouse pipelines in collaboration with Data Science, Pricing, and Platform Engineering. Translate technical insights into actionable marketing recommendations and mentor team members on hypothesis-driven analysis and practical AI tooling.

Design, develop, and maintain production-grade agentic AI solutions for customer service across email, chat, and voice channels. Translate business needs into technical solutions, collaborate with software engineers, data scientists, MLOps teams, and stakeholders, improve AI-enabled development processes, and share ML engineering best practices.

Own the architecture, technical direction, roadmap, backlog, and adoption of SIXT’s central MLOps/LLMOps platform. Lead design decisions, code reviews, prototyping, debugging, and implementation while prioritizing platform capabilities for data science and product teams. Run agile ceremonies, resolve technical discussions, manage dependencies and risks, and align international stakeholders. The role requires production software engineering, product ownership, MLOps/LLMOps expertise, AI-assisted development, and fluent English.

Designs, builds, and operates scalable Java and Spring Boot backend services across mobility products and shared platforms. Leads cross-team architecture and technical initiatives, working with REST, gRPC, microservices, event-driven systems, PostgreSQL, Redis, Kafka, Kubernetes, and CI/CD. Improves reliability, observability, performance, security, testing, and developer experience. Collaborates with product and engineering teams, mentors developers, and applies AI-assisted tools thoughtfully.

Lead development of the SIXT Data Platform using AWS and big data technologies. Architect hybrid data lake and warehouse solutions, automate ELT pipelines, and collaborate with engineers, analysts, and data scientists. Design multi-agent workflows for ingestion, transformation, validation, and distribution. Build LLM-powered capabilities including RAG pipelines, semantic data catalog search, and AI-assisted self-service. Apply strong engineering practices across Python, SQL, dbt, Airflow, CI/CD, testing, and distributed data systems.

Acquire new corporate customers in the UK SME market, develop and negotiate tailored mobility solutions, close sales, and manage and grow a portfolio of new accounts. Serve as a trusted mobility consultant, identify customer needs, meet performance targets, and improve sales processes. The role requires strong UK-market sales or account-management experience, fluent English, CRM and Microsoft Office familiarity, and hybrid work in Lisbon.

Owns one or two deep-technology revenue-management products, including pricing logic, automated decisioning, and agentic tooling. Defines product direction, scope, priorities, correctness criteria, verification methods, and AI autonomy boundaries. Partners closely with engineers and business stakeholders on feasibility, architecture, trade-offs, and written ADRs. Uses code fluency, AI tools, systems judgment, data-driven prioritization, and clear decision-making to deliver stable, measurable products.

Lead the end-to-end B2B sales process for used vehicles, maximizing volume, margins, and market penetration. Develop and manage dealership relationships, onboard new dealer partners, serve as the primary buyer contact, analyze market trends and competitor pricing, and shape pricing strategies. Resolve remarketing and inventory challenges while delivering reliable service. The role requires domestic travel within the assigned territory, up to 30% of the time.

Provides customer service throughout the vehicle rental process, explains options and add-ons, and supports sales performance. Manages fleet readiness, inventory, vehicle movement, service coordination, cleanliness, routine checks, staging, and disposal preparation. Maintains accurate operational and customer records while collaborating with internal teams and service partners. Requires flexible shift availability, including evenings, weekends, and holidays, along with basic computer skills and a valid driver’s license.