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Senior Golang Engineer - Global Bank

Sofia, Bulgaria · Backend

SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive! 

As a Backend Engineer in the Global Bank tribe, you’ll play a key part in helping us build SumUp's own digital bank. You’ll be part of a global, autonomous, cross-functional team that can take an aspect of our product and perfect it from concept to execution.

The Transfers Core team is a cross-functional squad who are responsible for the general banking payments events base 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.

Joining our team gives you the opportunity to build a digital bank from the ground up within one of the world's most successful and fastest-growing fintech companies. Becoming a part of the Global Bank Tribe of +300 people who love to take ownership, work with purpose, and are building the number 1 bank for small businesses.

What you’ll do

  • Design, implement microservices and event based processing architecture solutions

  • Maintain and evolve the team core services - Transfers core squad

  • Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators

  • Collaborate with other software developers, QA and DevOps engineers to ensure smooth deployment, continuous integration and support for the software we deliver

  • Help your team deliver business value by taking decisions related to the back-end and actively participate in product discussions and code reviews with other engineers

  • Build up a useful, robust automated test suite to support a Continuous Deployment environment

  • Collaborate with other software developers, QA and DevOps engineers to ensure smooth deployment, continuous integration and support for the software we deliver

  • Take ownership of the full platform, application code and the build pipeline we use to get it from conception to a live system.

  • As a senior in the squad you will mentor juniors and encourage knowledge sharing of tools and techniques with the wider team, both developers and non-developers

  • Support the migration from a PHP monolithic structure to Golang microservices

You’ll be great for this role if:

  • You are an experienced Golang Engineer

  • Good knowledge of PostgreSQL and knowledge with Kafka, will help you grow with us in the future.

  • You know how to build highly scalable, robust, and fault-tolerant services that support our growth requirements.

  • Understand fundamental system architecture, design principles, data modeling, and API design (RESTful services).

  • Experience with CI / CD approach.

  • Ownership over everything you ship. You use automated testing and you’d never call code “released“ until you’re confident it’s correct.

  • Belief that the whole is greater than the sum of its parts; you rely on others’ feedback for continuous improvement

  • Strong problem solving skills and interest in functional programming

  • You are fluent in English - you'll be part of a truly global company! 

It is a plus if:

  • You have knowledge of PHP.

  • Experience with Git, comprehension of design patterns, Docker containers, Kubernetes, AWS Prometheus and Grafana.

  • You have prior experience in the Fintech space

Why you should join SumUp

  • The opportunity to work on large scale fintech products used by millions of businesses around the world

  • Work on a high impact squad that is at the core of the Bank Tribe

  • You’ll receive 25 days’ paid leave, increasing with tenure, and paid vacation for certain occasions. You’d enjoy a paid 1 month Sabbatical vacation.

  • You’ll receive an individual learning budget and can take up to 10 days educational leave to expand your skillset.

  • You'd enjoy other great benefits such as additional health and life insurance, online fitness classes, subsidized Multisport card, Babbel language platform subscription, free shuttle buses from Joliot-Curie metro station, a long list of discounts and more

  • 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 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.