Backend Developer

At ONE ZERO, Israel’s first fully digital bank, we’re building the technology that powers a new era of intuitive, transparent, people-first banking. As our platform grows and our services expand, we’re looking for a Backend Developer to help shape the systems at the heart of our product. In this role, you’ll take ownership of end-to-end development—from architecture and implementation to deployment and production—while contributing to the cloud-native infrastructure that drives our digital banking experience.Requirements:3+ years of experience in server-side development.Strong proficiency in Java or Kotlin (must).Hands-on experience with AWS or another public cloud platform (must).Experience with Spring / Spring Boot.Experience working with Docker and Kubernetes.Strong understanding of microservices architecture, with hands-on experience designing and building microservices using best practices.Passion for building high-quality products and collaborating within a team.Experience or interest in AI-assisted coding.Your Day-to-Day:Develop and maintain complex, highly available, distributed, cloud-based systems while ensuring high quality and performance.Design robust, scalable, and testable software solutions in a fast-paced environment.Take part in the full development lifecycle, including research, design, development, testing, and production.Contribute to the development of our core backend banking services.Advantages:Background in Fintech.Previous experience in high-tech companies.Experience working with trading systems.Knowledge of Reactive Programming.Experience with spec-driven development.