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Senior Software Engineer

Berlin, Germany · Engineering

About the team:

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 are seeking a skilled and passionate AI Software Engineer to join our talented AI Team and contribute to the development of AI models and algorithms that will drive our customer support service to new heights. The main focus will be to develop AI automated tools for chat, call and email.

As an AI Software Engineer at SumUp, you will be responsible for building and maintaining an infrastructure that will revolutionise how SumUp does support. You will ensure the security, robustness and scalability of state-of-the-art AI models and integrate them with our main product. Your expertise will be crucial in driving the success of our AI-driven initiatives. You will work closely with cross-functional teams, including 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

  • Write clean, maintainable, testable, and scalable code in Python and relevant frameworks (e.g., langchain, fastAPI)

  • Design and develop software components and APIs for SumUp AI Bot

  • Deploy AI models into production environments, ensuring stability, reliability, and security

  • Implement automation tools and frameworks for automatic code deployment (CI/CD)

  • Monitor and evaluate the performance of deployed models, iterating on improvements

  • Collaborate with data scientists and stakeholders to understand project requirements and define AI solutions, guiding their implementation and upskilling their code quality and best practices

  • Utilise your curiosity in AI to explore and implement generative AI technologies into our product strategy.

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

  • 5+ years of software development experience 

  • Expert programming with Python, building APIs (e.g., fastAPI) and architecting microservices

  • Experience creating CI/CD Pipelines using Github, docker, terraform, kubernetes, helm, etc.

  • Experience with cloud native tools or 3rd party tools for status monitoring and alerting (e.g., Prometheus, Honeycomb, Grafana, ..)

  • Expert with cloud platforms (AWS, Azure, Google Cloud), relational databases and deploying AI models on cloud infrastructure

  • Strong team player with the ability to work effectively in diverse and agile environments

  • Proven mentorship experience, guiding and developing other team members

Why you should join SumUp:

🌍 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. This involves an office-first setup.

🌈 Commitment to Diversity and Inclusion: Be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced

📚 A dedicated annual L&D budget of €2,000 for attending conferences and/or advancing your career through further education.

🚀 Enrolment onto our VSOP program: You will own a stake in SumUp’s future success

💶 A corporate pension scheme where we match up to 20% of your contributions

🔄 30 Days Sabbatical: Enjoy the unique opportunity to take a well-deserved break with our 30 days sabbatical benefit after completing 3 years of employment with SumUp.

🔗 Referral Bonus: Earn additional rewards by referring talented individuals to join the SumUp team.

🚵🏾‍♂️ Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, relocation assistance, subsidised office lunches.

About us:

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.

We believe in the everyday hero. Those who have the courage to follow their passion and who have the strength and determination to realise their dreams. Small business owners are at the heart of all we do, so we're creating powerful, easy-to-use financial solutions to help them run their business. With a founders mentality and a 'team-first attitude' our diverse teams across Europe, South America, and the United States work together to ensure that small business owners 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.

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.