Full Stack Engineer

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

• At least 5 years of experience in Full Stack development roles – must.
• Minimum of 5 years of professional experience with Java, Scala, or Kotlin – 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.
• 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.