1 day ago
Vilnius, LithuaniaMid Level
Responsibilities
- Build and evolve core banking services supporting ledger operations and transactions.
- Design scalable ledger and transaction-history systems for multiple global markets.
- Solve distributed-systems challenges and maintain resilient services under high transaction volumes.
- Modernize existing systems through observability improvements, test coverage, refactoring, and architectural enhancements.
- Own services from design through production, including deployment, monitoring, and continuous improvement.
- Collaborate with teams across Risk, Treasury, Finance, Infrastructure, and global regional offices.
Requirements
- Solid backend experience building reliable, high-volume services with strong system-design, API, data-modeling, and service-interaction skills.
- Proficiency in Golang and willingness to work with other languages such as Kotlin or Elixir.
- Ability to write maintainable, well-tested code and operate software from development through production.
- Experience building, deploying, and running services in cloud environments such as AWS using Docker and Kubernetes.
- Willingness to learn about high-performance relational databases and data consistency.
- Strong collaboration and communication skills across distributed, cross-regional teams.
- Interest in building reliable financial services and learning the banking domain.
- Knowledge of Elixir is a plus.
- Deeper PostgreSQL experience, including performance tuning, complex queries, or schema design, is a plus.
- Experience with event-streaming platforms, preferably Kafka, and observability tools such as Grafana or Honeycomb is a plus.
Benefits
- Vilnius office-based work as part of a global team.
- 25 days of paid leave plus special holidays.
- Health insurance through Gjensidige and life and accidental coverage from Ergo.
- Gym membership allowance.
- Virtual Stock Option programme.
- Training, mentorship, SumUp University, and a yearly learning budget of 2,000 EUR.
- Hack Days every second Friday and global Hack Weeks.
- One-month sabbatical after three years of service.
- Referral bonus programme.
- Gross monthly compensation in Lithuania of 3,493 to 4,657 EUR, varying by skills and experience.
Tech Stack
Categories
About SumUp
SumUp builds card readers, point-of-sale apps, and payment tools for small businesses, along with accounts, invoicing, and online checkout. It sells hardware and earns fees on payment processing and subscriptions for software and services such as invoicing and loyalty. Founded in 2012 and headquartered in London, the company serves more than 4 million merchants across 30+ markets, and offers options like payment links and Tap to Pay.