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Senior Backend Engineer


1 year ago

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SumUp is a digital ecosystem dedicated to local entrepreneurs. Our range of solutions answers all our merchants' challenges; from reservations, through click and collect, deliveries and digital payment, to the management of their business thanks to intuitive and comprehensive financial analytics.

In SumUp POS, we are creating the world’s most complete Point of Sale, for all merchants in all businesses. We take care of the details so that merchants can focus on what they do best. We help merchants better connect to their business, to their customers and to each other.

SumUp POS offers more than a cash register, it offers an innovative ecosystem where our POS Tribe of over 400 people in Paris, Milan, Barcelona, Germany and the UK are working hard to go as far as possible and become the European leader in our market. 

What You’ll do: 

  • Contribute to the development of our SaaS solution, especially on the architecture part

  • Participate in the team's choices and best practices, and guarantee the quality of the solutions proposed to merchants

  • Master a global vision of the product life cycle: understanding business needs, architecture and technical choices, development, testing, CI / CD, fixing, etc

  • Contribute to the development and extension of the functionalities and architecture of POS solutions, deployed in SaaS mode

  • Work with the team in feature team mode, respecting the methods defined together, based on the best standards

  • Collaborate with other teams such as Product Management, QA, DevOps, Customer Care, etc

  • Contribute to the maintenance, testing strategy and product quality

  • Help developers to progress together

Your Profile:

  • Ideally have a minimum of 12 years of professional experience in Backend or Fullstack development.

  • 6+ years of experience on the AWS stack (Serverless, Dynamo, Lambda, EventBridge, SQS, SNS etc)

  • Experience working on Microservices

  • 6+ years of experience in NodeJS, Typescript

  • Knowledge of Rest APIs on top of microservices

  • Knowledge of testing and continuous integration strategies is important

  • Good understanding of CI/CD processes

  • Be able to communicate in English

Why you should join SumUp:

  • Have full autonomy (for real!) to propose, lead and implement changes that will up our game.

  • You will have the freedom to drive your career, own projects and make an impact across the company.

  • An amazing team and work environment that works with passion and purpose to achieve incredible results.

  • We get together regularly for breakfasts, team events, office parties and sports.

Additional Information 💫

  • Start date: as soon as possible

  • Full-time

  • Work office location(s); France, Italy, Spain, Germany, or UK

  • Remote working: Yes - need to be based in Location of a SumUp Office

  • CV's in English Language

Meet us! 💬

  • A 360 interview with one of our Engineering Managers (45 minutes)

  • A technical interview with our Architects or Chapter lead (1 hour, code sharing, nothing to prepare)

  • A FIT interview with a Engineering Manager (45 mins)

  • An interview with our CTO (45 minutes) + 2 reference checks

  • An interview with an Executive Manager within the wider Sumup group (45 minute)

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we're creating tools that help them run their businesses. 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 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.

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.


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SumUp1001-5000 employees
Get paid easily, process orders quickly, and manage your money more efficiently. SumUp creates solutions that make your business thrive.

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