5-10

Backend Developer – DevEx

2/15/2026

The role involves architecting and building robust, scalable, cloud-native internal platforms for R&D teams, while also researching and implementing AI-based development tools to accelerate velocity. Responsibilities include identifying development bottlenecks, building automated solutions, and owning end-to-end development using modern infrastructure as code practices.

Working Hours

40 hours/week

Company Size

201-500 employees

Language

English

Visa Sponsorship

About The Company

ONE ZERO Bank is a trailblazer in the financial industry, and we're transforming the way people think about banking. We offer advanced financial solutions, including flexible and competitive credit options, alongside standard banking services such as current accounts, credit, deposits, and securities management. Our operational efficiency, lean approach, and focus on innovative technology enable us to provide our customers with advanced services and a unique service experience at competitive prices. We are breaking free from the traditional banking mold, and our mission is to open up the local banking industry to healthy competition. Unlike other banks, we have no physical branches and thousands of employees, allowing us to create mostly automated work processes that prioritize our customers' needs, aligning seamlessly with the new technological world.

About the Role

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.

We are looking for a Backend Developer to join our DevExperience (DevEx) team. In this unique role, your "customers" are our own engineering teams. You will be responsible for building cross-organizational infrastructures, streamlining development workflows, and leading the integration of AI-driven tools into our R&D lifecycle. If you are passionate about developer productivity, cutting-edge automation, and shaping how engineers work in the age of AI, this is the place for you

מי אנחנו?

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Your Day-to-Day

Architect & Build: Develop and maintain robust, scalable, and cloud-native internal platforms that serve all R&D teams.
AI Innovation: Research, pick, and implement AI-based development tools (like GitHub Copilot, automated code reviews, or LLM-based testing) to accelerate our velocity.
Developer Productivity: Identify bottlenecks in the development lifecycle and build automated solutions to solve them.
Infrastructure as Code: Take ownership of end-to-end development—from architecture to production—using Kubernetes, AWS, and modern CI/CD practices.
Mentorship & Standards: Set the gold standard for backend development, promoting best practices and modern architectural patterns across the organiza

מה מחכה לך?

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Requirements

5+ years of experience in server-side development – Must.
B.Sc. in Computer Science/Engineering – Must.
Expertise in JVM languages: Proficiency in Java or Kotlin or Scala – 1 is a Must.
Deep Backend Knowledge: Extensive experience with Spring / Spring Boot.
Cloud & Dev Tools: Hands-on experience with AWS, Docker, Kubernetes, and Kafka.
Build Systems: Experience with Maven or Gradle.
Data: Solid experience with relational and/or NoSQL databases.
Microservices: Strong understanding of microservices architecture and best practices.

Bonus Points (The DevEx Edge)

AI Enthusiast: Experience with integrating AI tools/APIs (OpenAI, LangChain, etc.) into workflows.
Tooling Mindset: Proven track record of building internal tools, CLI utilities, or improving CI/CD pipelines.
Passion for DX: A genuine desire to make life easier for fellow developers.

למי זה מתאים?

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Advantages

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מה כולל התפקיד?

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Key Skills

Server-Side DevelopmentJavaKotlinScalaSpringSpring BootAWSDockerKubernetesKafkaMavenGradleRelational DatabasesNoSQL DatabasesMicroservicesAI Tools Integration