SumUp

(Senior) Backend Engineer - Golang

SumUp · Sofia, Bulgaria

Posted about 2 months ago

or apply directly on SumUp's site. We never take the application ourselves.

Is this posting real?

This role has been open
58 days
SumUp's roles stay open a median of 66 days
Reposted
No
Salary listed
No
1% of SumUp's roles list one
Ghost-job risk at SumUp
high
331 stale, 22 reposted of 409 open
Hiring momentum
564 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from SumUp's own greenhouse board since 2026-08-03. Full hiring picture for SumUp.

About this role

As a Backend Engineer on the Merchant Risk Intelligence team at SumUp, you will develop and support backend services primarily using Go, while also contributing to Python projects. Your role involves collaborating with cross-functional teams to design and maintain distributed systems, enhance the merchant risk decision framework, and participate in code reviews and continuous improvement efforts.

Our read on this posting2.8out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of SumUp as an employer.

What you need

  • Professional experience developing backend software in Go or another language such as Java, C or C+; motivated to learn and work with Go
  • Experience building and operating distributed systems and backend services
  • Strong system design skills and an understanding of reliable, maintainable software architecture
  • Experience working with Kubernetes and Kafka
  • Working knowledge of Python and/or an interest in contributing to Python-based products or AI/agentic development
  • Experience using AI-assisted tools as part of your software development workflow

What you get

  • Opportunity to work with SumUppers globally on large-scale fintech products
  • Hack Days every second Friday and global Hack Weeks
  • Commitment to Diversity and Inclusion
  • Annual L&D budget of €2,000
  • Enrolment onto VSOP program for stake in SumUp’s future success
  • 25 days of paid leave plus one extra day per year of service

Worth weighing

  • Most of the codebase is written in Go; candidates should be willing to learn Go if they have experience in other languages
  • The role involves participation in an on-call rotation as production responsibilities evolve

Summarised from SumUp's posting. Read the full original.

Listed by SumUp on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

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