Software Engineer II (Golang)

Team Description

Our Risk & Compliance team is dedicated to ensuring the security and integrity of our financial services by proactively identifying and mitigating fraudulent activities. We work collaboratively across different regions and functions, leveraging technology and data-driven insights to build scalable, efficient, and reliable risk prevention solutions.

What You’ll Do

• Design, develop, and maintain risk checkpoint services to detect and prevent fraudulent activities.
• Improve existing fraud prevention systems by enhancing efficiency, scalability, and reliability.
• Collaborate with data scientists, data engineers, and risk analysts to identify fraud patterns and optimize detection strategies.
• Ensure compliance with regulatory requirements for financial risk management.
• Enhance service documentation and implement quality checks on data, schemas, and fraud models.
  
  

You’ll be great for this role if

• You have experience building, deploying and maintaining real-time, high-throughput, low-latency microservices.
• You have strong experience with Golang development and a passion for writing clean, maintainable, and testable code.
• You are comfortable working with microservices architectures, messaging systems like Kafka, API design, database solutions, networking, scalability, monitoring, and logging.
• You are proficient in working with data-driven fraud detection strategies, machine learning models, or rule-based systems.
• You have strong English communication skills and can clearly explain technical concepts to collaborate effectively with your team.
• You excel in problem-solving, teamwork, and fostering a strong feedback culture built on trust and respect.
• Experience with Python and domain knowledge in risk & fraud prevention are considered a plus.
  
  

Why you should join SumUp

• Opportunity to work with data-driven products and support ML projects.
• We’re a truly global team of 3200+ people from 80+ countries, spread across 4 continents.
• The opportunity to work on large-scale fintech products used by millions of small businesses around the world.
• A dedicated annual Learning & Development budget (R$10.000/year) for attending conferences and/or advancing your career through further education.
• Enrollment in our virtual stock ownership program - you will own a stake in SumUp’s future success.
• Access to the SumUp Sabbatical, our employee assistance program for mental health as well as fitness and language learning benefits.
• You’ll attend global offsites and/or hackathons.
  
  

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, Australia 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.

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.