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Senior Backend Engineer - Golang

SumUpFull-time$110k - $270k*Vilnius, LithuaniaJun 5, 2024
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In the Global Bank tribe, we are building the infrastructure and core services needed to provide our merchants with a digital bank account that allows them to be successful at doing what they love. Our goal is to become the most popular banking partner for small merchants globally by offering a high-quality banking experience tailored to small business needs - effortless, simple, and affordable. 

Joining the Global Bank tribe means you’ll play a key part in helping us build SumUp's own digital bank. Be part of a global, autonomous, cross-functional team that takes an aspect of our product and perfect it from concept to execution. Working alongside a global team with 32 nationalities across Cologne, Berlin, São Paulo, Sofia and Vilnius who love to take ownership, work with purpose, and help businesses thrive.

As a Senior Backend Engineer (Golang), you will join a cross-functional squad who are responsible for the general banking payments events based flow. We are transitioning from a localized setup with regional banks to a unified Global Bank. One of the main challenges will be to support the migration from a monolithic structure to Golang microservices. 

What You’ll Do

  • Design, implement microservices and event based processing architecture solutions.
  • Maintain and evolve the team core services responsible for the general banking payments events based flow.
  • Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators.
  • Build up a useful, robust automated test suite to support a Continuous Deployment environment
  • Take ownership of the full platform, application code and the build pipeline we use to get it from conception to a live system.
  • Support the migration from a PHP monolithic structure to Golang microservices
  • Continuously improve our engineering culture by refining best practices, clarifying problems and opportunities, prototyping solutions, providing comprehensive documentation and selecting new tools and technologies.

You’ll be great for this role if

  • You have solid programming experience in Golang. 
  • You have good knowledge of PostgreSQL and experience working with Kafka.
  • You know how to build highly scalable, robust, and fault-tolerant services that support our growth requirements.
  • You understand fundamental system architecture, design principles, data modeling, and API design (RESTful services).
  • You have prior experience with modern cloud technologies (AWS, Docker, Kubernetes).
  • Your are experienced with CI/CD products such as GitHub Actions and ArgoCD.
  • You take pride in your work, have a keen sense of ownership, and are dedicated to writing clear, maintainable, and testable code.
  • You’re a product-focused engineer who is passionate and curious about solving user challenges.

Any of the following would be considered a plus

  • Experience with monitoring tools - Prometheus, Grafana, Honeycomb
  • Experience in the fintech industry

Why you should join SumUp

  • We’re a truly global team of 3200+ people from 80+ countries, spread across 4 continents
  • 25 days annual leave + Birthday Leave
  • A dedicated annual Learning & Development budget (2000Euro / 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
  • The opportunity to work on large scale fintech products used by millions of businesses around the world
  • Health Insurance, Death & Disability Insurance
  • Access to the SumUp Sabbatical, our Employee assistance program for mental health as well as Fitness and Transport allowance and language learning benefits.
  • You’ll attend global offsites and/or hackathons.

Salary range: 5250 - 7500 Euro GROSS / month + VSOP

About SumUp

Be empowered to do more that matters.

At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships.

Our commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify. 

SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce. We don't make hiring or employment decisions based on 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. Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited.

Explore career opportunities with us and join a team driven by collaboration, innovation, and a shared vision of creating a world where everyone can build a thriving business. Discover more about our vibrant and inclusive work culture and how we work on our careers website, and follow our journey on LinkedIn and Instagram.

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.

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