kotlin backend developer

Stellenbeschreibung:

Описание

SumUp provides a point-of-sale solution that enables cafes, shops, bars, hair salons, and other businesses to manage product catalogs, inventory, business analytics, compliance, and loyalty tools. The company focuses on empowering small business owners through a suite of financial and operational tools.

Задачи

Develop and evolve high-performance backend services and APIs using Kotlin and Spring Boot
Design and maintain robust data schemas and event‑driven integrations using Kafka
Write clean, well‑tested, production‑grade code and contribute to code reviews
Collaborate with mobile and product teams to ship end‑to‑end features
Engage in daily pair programming to solve concurrency challenges and maintain architectural standards
Manage the development lifecycle, including CI/CD pipelines and production service health
Use AI coding agents to automate tasks and increase shipping velocity
Refactor and migrate mission‑critical domain logic to simplify sales and catalog experiences

Требования

3+ years of experience in backend engineering with the JVM stack (Kotlin and Spring Boot preferred)
Solid understanding of software design patterns, data modeling, and system architecture principles
Experience with Kafka, Postgres, and AWS in a production environment at scale
Experience with or strong interest in distributed and fault‑tolerant systems
Fluent in English for clear communication with stakeholders
Nice to have: Experience with Kubernetes and cloud‑native observability tools, knowledge of different programming paradigms, familiarity with high‑scale applications, desire to share knowledge