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 are looking for a Senior Full Stack Developer, who is a team player and passionate about building great products, to join our team.

Your Day-to-Day

• Develop a sophisticated, highly available, distributed, cloud-based solution using Kotlin, Spring Boot, GraphQL, and Kafka for the backend, complemented by React for the frontend
• Collaborate in designing robust, scalable, and testable software solutions to meet dynamic business needs
• Partner with product owners to grasp in-depth requirements, taking ownership of code from conceptualization to implementation, automated testing, and ensuring delivery of premium quality products to users
• Stay up-to-date with the latest industry trends and technologies to ensure our applications remain current and competitive
• Act as a mentor within the team, fostering an environment of knowledge exchange and professional growth
• Act as a technical guardian for code quality and architecture decisions, especially in areas where you will be the primary reviewer (frontend, integrations, and full-stack features).

Requirements

• Minimum of 5 years of professional experience with Java, Scala, or Kotlin - Must
• At least 5 years in Fullstack 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