Senior Backend Engineer (GoLang) (w, m, d) - Online Payments

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 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 small business owners can be successful doing what they love.

SumUp’s Online Payments tribe enables merchants to offer state-of-the-art payment solutions for their online businesses. This tribe plays a key role in working towards SumUp’s vision of operating a 360° full cycle payments solution provider.

As Senior Software Engineer in this green-field tribe, you'll work with a cross-functional co-leaded team to build tools that help small and mid-sized businesses thrive around the world. By shipping code early and often, you'll see the impact of your work on our merchants’ daily lives right away. You'll collaborate with experts in product, design, and operations to deliver mission-critical internal and external features that power the SumUp ecosystem.

What you’ll do

• Building backend services for our Machine Learning platform to automise fraud prevention and risk management in Online Payments, partnering Data Scientists and Machine Learning Engineers
• Maintain and extend existing backend services with a DevOps mindset (YBIYRI)
• Collaborate with other Software, QA and SysOps Engineers to ensure smooth deployment, continual operation and support for quality software
• Coach and mentor other engineers to further develop their professional and interpersonal skills
• Actively provide code review feedback to other software engineers, considering both style and implementation
• Provide thoughtful and comprehensive documentation and testing for your features before shipping them

You’ll be great for this position if

• You have 5+ years’ relevant experience in digital payments services in an agile large scale ecosystems and first-hand experience in mentoring.
• You have vast experience with transaction processing systems that have high availability/throughput.
• You’re an ambassador for communication and collaboration, embracing trust and respect to actively shape a healthy team and feedback culture. 
• You’re experienced in and passionate about Golang. Further experience in Ruby and Java are considered as plus.
• You have vast experience with microservices architecture, Restful APIs and operating in a cloud environment, especially AWS.
• You understand that sometimes there’s no need to reinvent the wheel. 
• You have a DevOps mindset and a quality-first approach, and are familiar with engineering best practices to write clean quality code.

Why you should join SumUp

• We have a dedicated annual budget for attending conferences and advancing your career through further education. We encourage you to speak at conferences and give talks.
• You’ll attend a weekly Lunch and Learn session, where the local engineering team exchanges ideas over company-sponsored lunch.
• We set aside time every other week for side-projects and open source initiatives.
• You’ll attend annual hackathons with the engineering teams from Berlin, Cologne, Sofia and São Paulo.
• You’ll be part of a close, welcoming and international community. We get together regularly for brunches, cocktail nights, football, office events, AMA sessions, training, German lessons and yoga classes.
• We offer numerous other benefits such as Urban Sports Club subsidy, corporate pension scheme, Kita placement assistance, relocation assistance, 2x per week subsidised office lunches, and a gorgeous place to work in the heart of Berlin at Alexanderplatz.

About SumUp

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 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 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.

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

Want to get more insights about SumUp? Don't miss to visit us on our blog on Medium, or check our social media pages on Facebook, Twitter and LinkedIn.

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