Senior Software Engineer (Golang) - Payments Platform

Job Title: Senior Software Engineer (Golang) - Payments Platform

Location: Sofia, Bulgaria

Departments: Engineering

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.

The payments processing platform, consisting of other sub-platforms, 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 co-located, working on its part of the platform end-to-end.

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 and high availability are among our focus areas.

What you’ll do

• You’ll design, build and maintain back-end services in microservice architecture(s).
• You'll 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, including in Golang
• You have experience with building and consuming RESTful APIs
• 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 every 3 years.
• You’ll receive an individual learning budget and can take 10 days paid educational leave to expand your skillset. You'll have access to hackathons.
• You'd enjoy other great benefits such as additional health and life insurance; funded therapy & coaching sessions with licensed psychotherapists; co-sponsored Multisport card; Child birth/adoption bonus; free shuttle buses from Joliot-Curie metro station; a long list of discounts; attractive referral programme; monthly budget for food vouchers and flexible benefits, 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.