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Software Engineer (Mid Level)

Barcelona, Barcelona, Spain · Engineering

At SumUp, Lending product’s mission is to empower merchants worldwide by providing loans that help their businesses thrive. We aim to eliminate bias in lending by integrating a fast, reliable, and data-driven process into both our background and user-facing systems. Achieving this ambitious goal is possible only through robust engineering practices.

We are seeking a talented

Software Engineer

(mid level) to join our team and elevate the SumUp Lending product by implementing new functionalities. This role offers the chance to grow and maintain Golang and React services that handle a large daily volume of data, requiring resilient and scalable asynchronous processing.

You will join the Credit Risk Engineering Squad, where engineers work directly with the Machine Learning platform to assess customers and identify the behaviors of top repayers.

What You’ll Do:

  • Implement High-Quality Code: Write, test, and validate high-quality code to ensure reliability and performance.

  • Problem-Solve Efficiently: Quickly identify and resolve blockers, and proactively seek assistance when needed.

  • Documentation Mastery: Produce and consume technical documentation for seamless collaboration with external teams.

  • Customer-Centric Development: Engage with product managers and stakeholders to understand customer needs and business opportunities.

  • Innovative Design Contribution: Contribute to solution design, adhering to engineering best practices and innovative approaches.

You’ll Be Great for This Position If You:

  • Experience with Golang and/or React or you are interested in learning Go

  • Experience in a fintech or startup environment, and working in agile teams

  • Are experienced with a modern technology stack

  • Possess strong English communication skills for technical refinements with an international team

  • Enthusiasm for asynchronous processing, machine learning, data engineering, or data science

  • Your diverse personal experiences can contribute to our innovative approach to product development.

Why should you join SumUp

  • Global Impact: Develop fintech products for millions of small businesses worldwide.

  • High-Impact Role: Be part of a core squad within the Lending tribe.

  • Professional Growth: Access an annual learning budget and virtual stock ownership program.

  • Work-Life Balance: Enjoy restaurant ticket, health insurance (50%), subsidized public transport ticket (50%), Babbel subscription, and more tailored benefits.

  • Team Building: Join global team offsites and hackathons.

  • Inclusive Culture: Work in a diverse and innovative environment.

  • Growth Opportunities: Receive professional development resources, mentorship, and career advancement.

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 understand that meeting every aspect of a job description can be challenging. At SumUp, we value growth and potential just as much as experience. While we encourage applicants to strive for the best fit, we also recognise that not checking every box doesn't define your abilities. It's an opportunity to learn and grow with us.

Explore our interview tips and discover how we assess potential beyond checkboxes.

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.