Senior Backend Engineer

Becoming a part of the Brazil Engineering team (BR Market) means helping solve our small merchant’s problems on your daily routine and helping shape the future of our products in the Brazilian market.

As a Senior Backend Engineer, you will be responsible for optimizing backend performance for transaction processing, implementing robust security measures, designing scalable architectures, creating user-friendly APIs with clear documentation, and emphasizing code quality through automated testing. We encourage the exploration of new languages and services, empowering our teams to choose the best technology for new projects. Currently, our team is using Golang, Kubernetes, Terraform, Kafka, gRPC, REST APIs, PostgreSQL and multiple AWS services.

This is a hybrid work position (3x a week at our office in Pinheiros). 

What you’ll do

• Work in a challenging and dynamic environment to redesign architectural systems;
• Work on modernizing legacy services in a limited documentation and addressing regulatory compliance;
• Apply code refactoring, improving observability and tackling technical debt while simplifying the architecture;
• Scale the receivables product into a plug-and-play payment service;
• Act as the technical expert for the squad;
• Lead and mentor team members, offering leadership development opportunities;
• Contribute to the Payments Tribe's technical growth;

You’ll be great for this role if you have:

• Advanced software engineering expertise (code design, quality, automated testing, CI / CD management, performance optimization, resilience, and architecture);
• Advanced proficiency in Golang;
• Deep understanding of relational databases (SQL), including query optimization;
• Experience with AWS cloud services;
• Proven ability to deliver architectural improvements;
• Experience leading small-to-medium technical projects across squad boundaries;

Any of the following would be considered a plus

• Experience with NoSQL databases (e.g., DocumentDB), including query optimization;
• Previous experience as a Tech Lead;
• Background in payment providers and receivables integrations;

Why you should join SumUp

• 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 businesses around the world
  
• A dedicated annual Learning & Development budget (2000 EUR / Year) for attending conferences and/or advancing your career through further education
  
• Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success
  
• You’ll attend global off-sites 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 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 recognize 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.