Within the Global Operations organisation, our mission is to build the best customer experience in the fintech industry by delivering an effortless experience to all our merchants. We seek a skilled and passionate Machine Learning Engineer to join our talented AI Team. You will be responsible for building and optimising state-of-the-art AI models and algorithms that will revolutionise how SumUp does customer support. Your expertise in Machine Learning and DevOps best practices will be crucial in driving the success of our AI-driven initiatives. You will work closely with cross-functional teams consisting of frontend and mobile engineers, data scientists, ML engineers and product managers, to translate business requirements into innovative AI solutions. Your contributions will shape the future of our products and help us stay at the forefront of technological advancements in the field of AI and automation of Customer Support.

What you’ll do

• Design, develop and deploy AI solutions and systems in production environments, ensuring reliability, high performance and scalability.
• Develop and maintain AI infrastructure and pipelines to support efficient data processing, model training and serving.
• Optimise, troubleshoot and fine-tune machine learning models to improve accuracy, efficiency and ensure optimal performance.
• Implement monitoring, observability and alerting strategies to track model performance, data drift, and system health in production environments.
• Embrace software development principles, best practices and industry standards, including version control, CI/CD and unit testing frameworks as your day-to-day work.
• Collaborate with engineering teams to ensure seamless integration of machine learning solutions into software applications and platforms.
• 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.

You’ll be great for this position if you have:

• Proficient in Python and usage machine learning frameworks, platforms and tools (langchain, FastAPI, Pytorch, etc.). 
• Experience with machine learning workflow orchestration and algorithms optimisation, feature engineering pipelines, data ingestion, transformation, monitoring, alerting and observability as well as deploying ML models at scale.
• Experience working with LLMs including prompt engineering and integrating LLMs into end-to-end applications
• Experience with distributed computing frameworks (e.g. Hadoop, Spark) and cloud platforms (AWS) as well as hands-on Kubernetes, Docker and RDBMS (PostgreSQL).
• Knowledge of software development principles, version control systems and agile software development methodologies.
• Excellent analytical and problem-solving skills, with strong attention to detail.
• You have working proficiency and communication skills in verbal and written English.

Why you should join SumUp:

• The opportunity to work on large scale fintech products used by millions of small businesses around the world
• A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education
• Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success
• A corporate pension scheme 
• You'd enjoy other great benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches and other location-tailored benefits, Babbel language platform subscription and more
• You’ll attend global offsites and/or hackathons.
• Join a truly global SumUp team of 3200+ people from 80+ countries, spread across 4 continents

About us:

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across Europe, South America and the United States work together to ensure that the small business owners we partner with can be successful doing what they love. 

SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate.

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.