Senior Data & Machine Learning Engineer
We're Celonis, the global leader in Process Mining technology and one of the world's fastest-growing SaaS firms. We believe there is a massive opportunity to unlock productivity by placing data and intelligence at the core of business processes - and for that, we need you to join us.
The Team:
Our team is responsible for building the Celonis’ end-to-end Task Mining solution. Task Mining is the technology that allows businesses to capture user interaction (desktop) data, so they can analyze how teams get work done, and how they can do it even better. We own all the related components, e.g. the desktop client, the related backend services, the data processing capabilities, and Studio frontend applications.
The Role:
Celonis is looking for a Senior Data & Machine Learning Engineer to improve and extend our existing Task Mining ETL pipeline as well as build production ready AI based features into the Task Mining product. You will be owning the solution to simplify the extraction of insights from Task Mining data. This role demands a blend of expertise in data engineering, software development, and machine learning, utilizing Python, Java and SQL.
The work you’ll do:
- Design, build, and maintain robust, scalable data pipelines that facilitate the ingestion, processing, and transformation of large datasets
- Drive the development of AI-powered features and applications from scratch within the Task Mining product
- Develop and deploy a comprehensive Python service, including API design and containerization, to serve our AI pipeline
- Implement data strategies and develop data models
- Leverage LLMs and machine learning techniques to provide actionable insights and recommendations for process optimization
- Write performant, scalable and easy to understand SQL queries and optimize existing ones
- Own the implementation of end to end solutions: leading the design, implementation, build and delivery to customers
- Provide technical leadership and mentorship to other engineers and team members
- Lead design discussions, code reviews, and technical planning sessions to ensure high standards and knowledge sharing
The qualifications you need:
- 5+ years of practical experience in a Computer Science/Data Science related field
- Or PhD in Data Science/AI/ML area with 2+ years of practical experience
- Experience with LLMs and Retrieval-Augmented Generation (RAG), including writing effective prompts, using vector search, and evaluating model outputs for hallucination, schema adherence, and performance (latency/cost)
- Familiarity with orchestrating LLM workflows and agents using frameworks like LangChain
- Experience designing, building, and deploying robust, scalable, and production-ready Python API services (e.g. using FastAPI)
- Strong understanding of Python's async I/O model and its importance for building high-performance, I/O-bound applications
- Familiarity with real-time data processing concepts using tools like Apache Flink or Spark
- Understanding of ETL jobs, data warehouses/lakes, data modeling, schema design
- Excellent command of SQL, including query optimization principles
- Experience with containerization (e.g., Docker) and CI/CD pipelines (e.g., GitHub Actions).
- Experience with deep learning frameworks (e.g., PyTorch, TensorFlow) is a plus.
- Familiarity with MLOps principles and tools (e.g., MLflow, Kubeflow) is a plus.
- Experience with Java backend development is a plus.
- Strong communication and collaboration skills (English is a must)
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What Celonis Can Offer You:
- Pioneer Innovation: Work with the leading, award-winning process mining technology, shaping the future of business.
- Accelerate Your Growth: Benefit from clear career paths, internal mobility, a dedicated learning program, and mentorship opportunities.
- Receive Exceptional Benefits: Including generous PTO, hybrid working options, company equity (RSUs), comprehensive benefits, extensive parental leave, dedicated volunteer days, and much more. Interns and working students explore your benefits here.
- Prioritize Your Well-being: Access to resources such as gym subsidies, counseling, and well-being programs.
- Connect and Belong: Find community and support through dedicated inclusion and belonging programs.
- Make Meaningful Impact: Be part of a company driven by strong values that guide everything we do: Live for Customer Value, The Best Team Wins, We Own It, and Earth Is Our Future.
- Collaborate Globally: Join a dynamic, international team of talented individuals.
- Empowered Environment: Contribute your ideas in an open culture with autonomous teams.
About Us:
Celonis makes processes work for people, companies and the planet. The Celonis Process Intelligence Platform uses industry-leading process mining and AI technology and augments it with business context to give customers a living digital twin of their business operation. It’s system-agnostic and without bias, and provides everyone with a common language for understanding and improving businesses. Celonis enables its customers to continuously realize significant value across the top, bottom, and green line. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.
Get familiar with the Celonis Process Intelligence Platform by watching this video.
Celonis Inclusion Statement:
At Celonis, we believe our people make us who we are and that “The Best Team Wins”. We know that the best teams are made up of people who bring different perspectives to the table. And when everyone feels included, able to speak up and knows their voice is heard - that's when creativity and innovation happen.
Your Privacy:
Any information you submit to Celonis as part of your application will be processed in accordance with Celonis’ Accessibility and Candidate Notices
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Perks and Benefits
Health and Wellness
Parental Benefits
Work Flexibility
Office Life and Perks
Vacation and Time Off
Financial and Retirement
Professional Development
Diversity and Inclusion