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Senior Machine Learning Engineer
Location
Berlin, Germany
Work type
Onsite
Employment
Full Time
Experience
8+ years
Compensation
Compensation not disclosed
Posted
2h ago
Summary and responsibilities
Role overview
Summary
As a Senior Machine Learning Engineer at SumUp, you will lead the development and deployment of state-of-the-art AI models and algorithms to enhance customer support services. You will architect, design, and optimize scalable AI solutions, collaborating with cross-functional teams to integrate them into production environments.
Within the Global Operations organisation, our mission is to build the best customer experience in the fintech industry by delivering an effortless customer experience to all our merchants. We are seeking a skilled and passionate Senior Machine Learning Engineer to join our talented AI team and lead the development of AI models and algorithms that will drive our customer support service to new heights.
As a Senior Machine Learning Engineer at SumUp, you will be responsible for building and optimising state-of-the-art AI models and algorithms. Your expertise with machine learning, deep learning, and LLMs will be crucial in driving the success of our AI-driven initiatives. You will work closely with cross-functional teams, including backend engineers, data scientists and product managers, to translate business requirements into innovative AI solutions. Your contributions will shape the future of our support products and help us stay at the forefront of technological advancements in the field of AI.
What you’ll do
Architect, design, develop and deploy our AI solutions and systems in production environments, ensuring reliability, high performance and scalability.
Collaborate and communicate closely with data scientists, product managers, developers and other business stakeholders to bring state-of-the-art AI solutions to Customer Support, enhancing customer experience and improving operational efficiency.
Develop and maintain ML infrastructure and pipelines to support efficient data processing, model training and serving.
Optimize and fine-tune machine learning models to improve accuracy, efficiency and scalability.
Collect, preprocess and clean large text datasets to ensure high-quality input for model training and evaluation.
Embrace software development principles, best practices and industry standards, including version control, CI/CD processes and unit testing frameworks as your day-to-day work.
Collaborate with cross-functional teams to ensure seamless integration of machine learning solutions into software applications and platforms.
You’ll be great for this position if you have:
Bachelor’s degree in Machine Learning, Computer Science or an engineering-related field.
+8 years of proven experience working as a Machine Learning Engineer, focusing on building and deploying scalable machine learning or AI solutions and data-driven systems.
Relevant experience building AI products, such as Chatbot Assistant, RAG system, etc.
Excellent software development engineering skills to design computationally effective solutions and maintenance in large-scale production environments (data version control, model serving, continuous monitoring & alerting)
Experience building and deploying ML models using cloud services (AWS, GCP, or Azure).
Expert in Python and familiarity with MLOps tools (e.g., MLflow, Kubeflow, Airflow, Langfuse).
Experience with machine learning workflow orchestration and algorithms optimisation, feature engineering pipelines, data ingestion and transformation.
Good understanding of data pipelines, APIs, containers (Docker), and version control (Git).
Excellent analytical and problem-solving skills, with strong attention to detail.
Updated 2h ago
Candidate fit
Skills and qualifications
Additional skills
Experience
8+ years
How this role is positioned
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Employment
Full Time
Contract duration
Permanent
Hiring type
Direct
Global hiring
Location specific
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Compensation and benefits
Compensation
Compensation not disclosed
Benefits and perks
Location, schedule, and role shape
Work setup
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Company snapshot
Company
SumUp
Team size
Growing team
Location
Berlin, Germany
SumUp is a leading financial technology company, founded in 2012 with the goal of empowering small businesses around the globe. We’re the financial partner of choice for more than 4 million merchants in over 35 markets. We collectively build, plan and fine-tune the technology that drives SumUp and empowers small businesses around the world.
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Senior Machine Learning Engineer
Berlin, Germany • Full Time