Senior AI/ML Ops Engineer (d/f/m)

mobile.de is Germany’s largest vehicle marketplace, with more than 1.6 million listed cars, commercial vehicles, motorcycles, and e-bikes. Both private customers and registered vehicle dealers use the platform and benefit from more than 120 million visits per month. As a “one-stop shop,” mobile.de’s offering includes not only buying and selling, but also financing and leasing solutions. Founded in 1996, the company is a subsidiary of Adevinta, a global leader in online classified portals.
Based in Berlin-Charlottenburg, we offer a dynamic environment where growth, learning, and collaboration are at the heart of everything we do.If you are driven by an eagerness to disrupt, have a passion for collaboration, and are excited about shaping the future of mobility, we would love to hear from you.

mobile.de is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.

What we offer

Meaningful Work: We are a diverse, international, highly skilled and passionate team committed to a world where people share more and waste less. Every day you will have the opportunity to make a huge difference for our users, customers as well as shape the future.

Embracing AI: We're at the forefront of integrating cutting-edge AI technologies into our operations. Being part of mobile.de you will work with and learn about AI tools, contributing to projects that leverage AI to enhance efficiency, improve customer experiences, and drive our mission forward. With an AI-first mindset, we foster a culture of continuous learning and experimentation, empowering our team to explore and apply AI in meaningful ways for the company and themselves.

Growth and Development: We are a global organisation who truly believes in growing our people. To support this we offer lots of development and training opportunities and provide a budget for our team members.

Connection and Inclusion: Our culture is the glue that holds us together. We believe in making meaningful connections and creating an inclusive atmosphere with lots of opportunities to connect both in your day to day work and through social team activities (online and offline)

We are looking for a highly skilled Senior AI/ML Ops Engineer (d/f/m) to join our Cloud Excellence team. In this role you will be responsible for designing and building up AI infrastructure and tooling for the company - from agent frameworks in AWS to vertex AI playgrounds in GCP and from quota management to cost attribution integration. You will collaborate closely with Data Scientists and Software Engineers and the local AI champion team in general, who contribute to company goals related to AI adoption. You will report to the Head of Cloud & Infrastructure.

The mobile.de Cloud and Infrastructure team is providing tools, services and support to enable our software engineers within the public cloud. We manage infrastructure as code for containerised workloads on Kubernetes, integrate third party services, run observability and manage generic cloud resources for products of mobile.de. We watch over our platform 24/7 to detect and tackle incidents in time. Following the company's anchor day approach, our team meets weekly on Mondays in the Berlin office for collaboration, meetings and enjoying lunch together.

• You will  contribute to the success and future of Germany’s biggest automotive marketplace with our knowledge and experience

• You will co-own operations and constantly improve our solutions by driving automation, simplicity, reliability and observability

• You will share our knowledge and mentor team members as well as software engineers in SRE principles

• You will heavily (re)use and design automated workflows in our github ecosystem

• You will simplify and choose Cloud SaaS for the right value and stay agile in replacing outdated solutions

• This role is all about making AI/ML successful for the company and we want you for this!

• You are able to support and help planning AI/ML projects from the operational and infrastructure perspective with best-in-class IaC standards

• You are proficient with cloud AI models, related frameworks (AgentCore), APIs (Bedrock, Vertex AI) and IAM integration

• You can optimize AI/ML workloads with your extensive knowledge of cloud scaling options and mechanisms

• You are experienced in supporting the deployment and scaling of agentic frameworks (LangChain, LangGraph) and retrieval-augmented generation (RAG) pipelines, including vector database management (Elastic/OpenSearch, S3 Vector) and tool orchestration

• You can manage tooling like inference profiles and quotas for cost allocation 

• You can debug build pipelines and spot software issues

• You like to investigate into cloud costs and consult with software engineers on optimization options regarding their AI/ML products

• You can automate toil via scripting or programming languages (Python, Go)

• You have experience with different IaC stacks like AWS CDK, pulumi, terragrunt

• You are proficient in public cloud (AWS, GCP) and containerisation concepts

• You champion observability and compliance by implementing robust monitoring, logging, and alerting for agentic and ML services

• Consulting and helping others with your expertise makes your day

• You are able to fluently communicate in English

• AI certifications (AWS, GCP) are preferable

• Experience managing and deploying own LLM models (for instance on K8s nodes with GPUs)

• Experience operating vector databases (Milvus, QDrant, S3 Vector, Elastic/OpenSearch, etc.)

• Corporate scale environment experience (using ADRs, Tech Radar, KPIs, etc.)

• You drive AI-first operational excellence by identifying and automating repetitive operational tasks using AI-powered tools and scripting, proactively improving efficiency, reliability, and cost-effectiveness

• Experience enforcing runtime guardrails and policy controls

Working at mobile.de comes with its perks! Enjoy the following benefits (some of many):

• Rewards: competitive base salary and participation in the company’s incentive programs.

• Plan for the Future: On top of the statutory retirement insurance, we offer a competitive company pension scheme.

• Team-Building: Regular team and company events offer the opportunity to network and learn from each other.

• Learning & Development: Keep growing with access to coaching, learning platforms and resources.

• Mobility: Stay mobile with a monthly transportation allowance.

• Enjoy working: Our well‑equipped office supports focused work and teamwork -  plus inviting social zones where colleagues can relax and connect

• Flexible working: a hybrid approach with the option to work abroad for a set number of days per year.

• Wellbeing: confidential employee assistance and support services available to employees and their immediate families.

• Family support:  enhanced parental leave and family‑friendly policies to support all parents and careers.