Senior Full-Stack Developer

🕒 July 17

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GARANTIEMAX GmbH

WebsiteLinkedInAll Job Openings

1 - 10 employees

🛡️ Insurance

💳 Fintech

🤝 B2B

Insurance • Fintech • B2B

GARANTIEMAX GmbH is a startup that was founded in 2020 as part of the Signal Iduna Group and has since become an independent assecuradeur. The company specializes in innovative solutions in embedded insurance products, offering both B2B2C and B2C products that set new standards in digital warranty extensions. With a focus on customer experience and user-friendliness, GARANTIEMAX provides digital add-on products through its app, aiming for a simple, digital, and fast service.

📋 Description

• Actively contribute to technical and architectural decisions within the team • Further develop and optimize our microservices and Kubernetes architecture — focusing on performance, stability, and security • Develop and continuously enhance modern full‑stack applications (frontend, backend, databases) • Take responsibility for code quality, scalability, and technical excellence • Work closely with product management, design, and business stakeholders to develop optimal solutions • Share knowledge within the development team — learn from each other and grow together • Continuously improve development processes, automation, and CI/CD pipelines • Evaluate and integrate new technologies and tools, including modern AI solutions, to actively drive innovation • Support the modernization of our software landscape on the path to an AI‑driven future

🎯 Requirements

• At least 5 years of professional experience in full‑stack development and experience working on complex system landscapes or under high quality and performance requirements • Strong knowledge of TypeScript, Node.js (e.g., NestJS), and frontend frameworks (React, Vue.js, or Next.js) • Proficient with REST APIs and GraphQL • Confident working with relational and NoSQL databases (e.g., PostgreSQL, MongoDB) • Experience with container technologies and cloud environments (Docker, AWS, or GCP) • Experience with microservices architectures and Kubernetes • Deep understanding of clean code, software architecture, and scaling complex systems • Experience with CI/CD, test automation, and monitoring • Strong awareness of code quality, architecture, and technical ownership • Proactive, solution‑oriented mindset and enthusiasm for shaping solutions rather than just implementing them • Solid experience with modern AI tools and systems, in particular Claude, Codex, and OpenClaw, and the ability to apply them to increase efficiency, automation, and support • Business‑fluent English, both written and spoken • Enjoy working collaboratively in a team of experienced developers

🏖️ Benefits

• Remote option with high flexibility — work location‑independently and shape your workday to suit you • Personal development through continuous knowledge sharing and innovative technologies • The opportunity to actively lead the insurance industry into the AI era • A central role in a digital transformation process with significant scope to shape the direction • Real influence on technical decisions — your experience matters and shapes the direction • Modern technology stacks and exciting projects with high relevance • Flat hierarchies, fast decision‑making, and a motivated team