Full Stack Developer

Description 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 Full Stack Team Lead to help lead and shape the systems at the heart of our product. In this role, you’ll combine hands-on development with technical leadership, guiding a team, driving architecture decisions, and owning E2E delivery, while contributing to the cloud-native infrastructure that drives our digital banking experience. Your Day-to-Day Lead the development of a sophisticated, highly available, distributed, cloud-based system using Kotlin, Spring Boot, GraphQL, and Kafka for the backend, alongside React for the frontend, while remaining hands-on in development. Drive the design of robust, scalable, and testable software solutions to support evolving business needs. Work closely with product owners to deeply understand requirements, while owning end-to-end delivery—from design and implementation to automated testing and production. Stay up-to-date with the latest industry trends and technologies, ensuring the team builds modern and competitive solutions. Mentor and support team members, fostering a culture of knowledge sharing, ownership, and professional growth. Act as a technical leader, setting high standards for code quality and guiding architecture decisions, while serving as a key reviewer for frontend, integrations, and full-stack features. Requirements 5-7 years of experience in software development – must. Minimum of 5 years of professional experience with Java, Scala, or Kotlin – must. At least 5 years of experience in Full Stack development roles – must. Strong proficiency in JavaScript/TypeScript with a solid understanding of modern web development best practices (including vanilla JS, HTML, and CSS) – must. Proficiency with React and a strong overall foundation in frontend architecture. Experience with Node.js and serverless architectures. In-depth knowledge of Spring / Spring Boot. B.Sc. in Computer Science/Engineering. Familiarity with Maven or Gradle. Experience working with relational and/or NoSQL databases. Experience with AWS, Docker, and Kubernetes. A robust understanding of microservices architecture with proven experience in designing and deploying microservices using industry best practices. Demonstrated ability to deep-dive into complex third-party systems and APIs, troubleshoot integrations, and own end-to-end implementation. Experience working with AI coding assistants (e.g., GitHub Copilot, Cursor, Claude, etc.) to accelerate development and maintain high code quality.