We are looking for a Senior Backend Engineer (Java) to join our core tech product team. You will collaborate closely with our Lead Full-Stack Engineer, Chief Product Officer (CPO), and Product Designer to develop customer-focused insurance APIs, along with a dashboard and management tool for our insurance products. This is a unique opportunity to join us at an early stage and directly shape the direction of our product.
Develop a modern Java-based backend for our web application
Build a digital twin of our insurance products and design Web-/REST-APIs for customer interaction
Use Java and the Spring Framework to develop the core insurance system
Analyze, design, develop, review, test, and deploy high-quality software across different environments (e.g., staging and production)
Work closely with the Lead Full-Stack Engineer, CPO, and Product Designer to create a seamless and user-centric product
Leverage AWS and AI tools for agile development
Maintain high development standards, including code quality, CI/CD, automated testing, and quality assurance
Continuously improve the codebase by following the principle: “Leave the code better than you found it.”
Expert in Java and the Spring Framework
Strong experience with SQL databases (e.g., PostgreSQL) and AWS
In-depth knowledge of API design and development
Proven experience in automated testing
Hands-on experience in operating and monitoring web applications
Comfortable working with external partners/clients
Experience in agile development environments
Fluent in English – German is a plus
The opportunity to become part of an early-stage, VC backed venture
Choose your hardware which you like to work with
The ability to shape product vision and strategy of a growing InsurTech scale-up with huge space for leaving your own footprints
Joining a family-friendly start-up with founders who have the strong believe in a “no politics” attitude through all levels and departments of the company
30 vacation days and a subsidy for the company pension scheme
Virtual Employer Benefit card with a monthly wallet load
Flexible working hours
At ZERO, we don't just accept differences - we celebrate it and support it. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.
Interested? Apply now via our job site. We’re very much looking forward to meeting you!
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