Backend Engineer (Golang) - Bank Balance

The role

You will build and evolve core banking services for ledger operations and transactions. You will modernize regional systems into a unified global platform and tackle distributed systems challenges.

What you will do

• Build and evolve core banking services for ledger operations and transactions.
• Tackle complex distributed systems challenges.
• Support modernization initiatives through observability, test coverage, and refactoring.
• Contribute to key architectural decisions for ledger and transaction history systems.
• Collaborate with Risk, Treasury, Finance, and Infrastructure teams.
• Take ownership from design to production, including monitoring and continuous improvement.

Required qualifications

• Solid backend experience building reliable, high-volume services.
• Proficient in Golang.
• Comfortable learning and working with other languages like Kotlin or Elixir.
• Write maintainable, well-tested code.
• Follow CI/CD best practices.
• Take responsibility for software from development to production.
• Comfortable building, deploying, and running services in cloud environments like AWS using Docker and Kubernetes.
• Eager to learn about relational databases that perform under load and maintain data consistency.
• Collaborator who communicates clearly and makes thoughtful technical decisions.

Nice to have

• Knowledge of Elixir
• Deeper PostgreSQL experience
• Experience with event streaming platforms (Kafka preferred)
• Experience with modern observability stacks (Grafana, Honeycomb, etc.)

Benefits

• Virtual Stock Option programme
• 25 days of paid leave, plus special holidays
• Health insurance through Gjensidige
• Life & accidental coverage from Ergo
• Gym membership allowance
• Regular training, mentorship programs, SumUp University cohort
• Yearly learning budget (2,000 EUR)
• Hack Days every second Friday and global Hack Weeks
• 1-month sabbatical after 3 years of service
• Referral Bonus

About the company

SumUp provides simple and affordable business tools to help small businesses start, run, and grow. Over 4 million businesses in 36 markets rely on SumUp as their financial partner.