Jobs for Developers

Backend Engineer (Golang) - Payments Processing Platform

SumUpFull-time$110k - $270k*Sofia, BulgariaMar 15, 2024
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SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive. And we love it!:)

The payments processing platform, consisting of other sub-platforms, including reporting and experience, has powered SumUp’s global business for more than 10 years now. It’s developed in Sofia by the Payments Tribe, composed of several teams (squads). Each squad is cross-functional, autonomous and colocated, working on its part of the platform end-to-end with autonomy and ownership. 

We are scaling and improving existing products, while developing new ones - an exciting time to join. You would make an impact by improving and co-creating our existing and new microservices architecture platforms, solving scaling and new development challenges. 

Scalability, high availability and payments processing experience are among our focus areas. 


What you’ll do

  • You’ll design, build and maintain back-end services in microservice architecture(s).
  • Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators.
  • You’ll write high-quality, maintainable, and scalable code that meets coding standards and best practices.
  • You’ll provide comprehensive documentation and automated good test coverage, improve code quality
  • You’ll collaborate with other software, QA and DevOps engineers to ensure smooth deployment, continuous integration, and support for the software that we deliver in production environments.
  • You’ll actively participate in code reviews with other software engineers to improve code quality and maintainability.
  • You’ll be working closely with our EU organizations - merchant growth, market operations, online store, online payments and other tribes - enabling them with features based on our products. 
  • You’ll support technical discussions during requirements analysis and scope definition.
  • You’ll participate in team retrospectives and document lessons learned.


You will be great for this role if

  • You have several years of programming experience, preferably in Golang
  • You have experience with building and consuming RESTful APIs (ideally via Golang)
  • You’re familiar with Docker, AWS, Kubernetes (user, not admin experience)
  • You have a DevOps mindset
  • You have experience with SQL & NoSQL DBs. We’re working with Postgres and Kafka
  • You understand fundamental system architecture, software design principles, data modeling, and API design
  • You are have an open to feedback, collaborative approach to teamwork and excellent problem-solving skills
  • You take pride in engineering and have a keen sense of ownership of the work that you do


Why you should join SumUp

  • 🌍 You’ll play a key role in a scale-up that in turn is part of a truly global team of 3000+ people from 60+ countries, spread across 4 continents.

  • 🚀 You'll have the opportunity to make an impact irrespective of your job description. You'll have the space to drive your career and take ownership of projects.

  • 🌴 You’ll receive 25 days’ paid leave, increasing with tenure, and paid vacation for certain occasions. You’d enjoy a paid 1 month Sabbatical vacation. 

  • 📚 You’ll receive an individual learning budget and can take 10 days educational leave to expand your skillset.

  • 👶 You’ll enjoy a child birth/adoption bonus and subsidized childcare services. 

  • You'd enjoy other great benefits such as additional health and life insurance, online fitness classes, subsidized Multisport card, Babbel language platform subscription, free shuttle buses from Joliot-Curie metro station, a long list of discounts and more.


About SumUp

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, color, 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.


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