Senior Backend Engineer - Golang Vilnius, Lithuania
in
10115, Berlin, Berlin, Deutschland
Unternehmen:
SumUp Inc.
Vollzeit
position
Verfasst am 2026-03-09
Berufliche Spezialisierung:
-
Software Entwicklung
Backend Entwicklung, Cloud-Ingenieur - Software
Gehalts-/Lohnspanne oder Branchenbenchmark: 5250 - 7500 EUR pro Monat
EUR
5250.00
7500.00
MONTH
Stellenbeschreibung
In the Global Bank tribe, we are building the infrastructure and core services needed to provide our merchants with a digital bank account that empowers them to succeed in their businesses. Our goal is to become the most popular banking partner for small merchants worldwide by offering a high-quality banking experience that is effortless, simple, and affordable.
Joining the Global Bank tribe means playing a key role in helping us develop Sum Up's digital bank. You’ll collaborate with a global, autonomous, cross-functional team that takes an aspect of our product from concept to execution. Work alongside colleagues from 32 nationalities across Cologne, Berlin, São Paulo, Sofia, London, and Vilnius, united by a shared commitment to ownership, purpose, and helping small businesses thrive.
As a Senior Backend Engineer in our Vilnius office, you will join a team responsible for evolving and maintaining our high-throughput banking ecosystem for merchants. You’ll play a key role in architecting and evolving our global banking platform, ensuring high availability, scalability, and observability across multiple regions. If you are interested in gaining experience in building business accounts, card payments, and transfer products across Europe and Latin America for Sum Up's Global Bank, join us on this exciting journey!
What You’ll Do
Collaborate with a global team to design and build a unified global banking platform, including high-level APIs for multiple regions and local implementations, ensuring high availability and observability.Participate in transforming monolithic services into decoupled, highly scalable, region-agnostic, unified global bank services.Design, implement, and iteratively develop highly available backend services, continuously evaluating and adopting new methods to ensure the reliability of transfer systems.Maintain and improve core services utilizing a modern, cloud-native stack (AWS, K8s), with microservices written in Golang, Kotlin, Java, and Elixir.Enhance test coverage for existing services and oversee end-to-end delivery, including testing, observability, and monitoring.Shape and improve our engineering culture by sharing ideas, refining best practices, exploring innovative solutions, and contributing to documentation and tool selection.You’ll be great for this role if
You have solid programming experience in Golang and an interest in working with Java, Kotlin, and Elixir.You have an advanced understanding of developing and maintaining distributed and event-driven systems.You are experienced with event streaming platforms and messaging brokers such as Kafka.You have experience with modern cloud technologies like AWS, and containerization tools such as Docker and Kubernetes.You are comfortable working with SQL and No
SQL databases.You have experience with CI/CD tools like Git Hub Actions or ArgoCD.You take pride in your work, have a strong sense of ownership, and are committed to writing clear, maintainable, and testable code.You are curious and enthusiastic about solving meaningful challenges for users, with a commitment to collaboration and continuous learning.You are comfortable pairing with peers, sharing knowledge, and fostering a culture of learning.Why you should join Sum Up
Be part of a company that values diversity and celebrates unique perspectives.Work with a global team of skilled professionals in an environment that fosters collaboration, learning, and growth.Contribute to building a banking solution from the ground up, delivering impactful solutions to millions of merchants worldwide.Enjoy 25 days of annual leave plus birthday leave.Benefit from career growth and learning opportunities, including training, mentorship, Sum Up University, and a yearly learning budget (€2,000).Participate in our virtual stock ownership program to own a stake in Sum Up’s future.Work on large-scale fintech products used by millions of businesses globally.Access health insurance, disability insurance, and additional benefits such as mental health programs, fitness, transport allowances, and language learning.Salary range: €5,250 - €7,500 gross/month + VSOP.About Sum Up
Be empowered to…
Stellen-Anforderungen
10+ Jahre
Berufserfahrung
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