
Senior Full-Stack Developer (m/w/d)
GARANTIEMAX GmbH · United States
- Hybrid
- Full-time
- €85,000 / year
- United States
Job highlights
- Shape tech decisions for AI-driven insurance.
- Develop and optimize microservices and Kubernetes.
- Build modern full-stack applications with modern tech.
- Collaborate with cross-functional teams for solutions.
- Enjoy remote flexibility and team growth opportunities.
About the role
About the Role
We are seeking a Senior Full-Stack Developer to actively shape technical and architectural decisions within our team. You will be responsible for the further development and optimization of our microservices and Kubernetes architecture, focusing on performance, stability, and security. This role involves developing and continuously improving modern full-stack applications (frontend, backend, databases), ensuring code quality, scalability, and technical excellence. You will collaborate closely with product management, design, and business stakeholders to create optimal solutions. A key aspect of this role is fostering knowledge sharing within the developer team, promoting mutual learning and collective growth. You will also contribute to the continuous improvement of development processes, automation, and CI/CD pipelines, and be involved in evaluating and integrating new technologies and tools, including modern AI solutions, to drive innovation and support our journey towards an AI-driven future.
Your Responsibilities
- Active participation in technical and architectural decision-making.
- Further development and optimization of microservices and Kubernetes architecture (performance, stability, security).
- Development of modern full-stack applications (frontend, backend, databases).
- Ensuring code quality, scalability, and technical excellence.
- Close collaboration with product management, design, and business stakeholders.
- Knowledge sharing and team growth.
- Continuous improvement of development processes, automation, and CI/CD pipelines.
- Evaluation and integration of new technologies, including AI solutions.
- Support in modernizing our software landscape towards an AI-driven future.
Your Profile
- Minimum 5 years of professional experience in full-stack development, with experience in complex system landscapes or under high quality/performance demands.
- Proficient in TypeScript, Node.js (e.g., NestJS), and frontend frameworks (React, Vue.js, or Next).
- Solid understanding of REST APIs and GraphQL.
- Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Familiarity 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 responsibility.
- Proactive, solution-oriented mindset with a passion for contributing rather than just implementing.
- Proficient in using modern AI tools and systems (e.g., Claude, Codex, OpenClaw) for efficiency, automation, and support.
- Fluent German language skills.
- Enjoy working in a team with experienced developers.
Bonus Points
- Experience in DevOps, QA, GRC, network technology, IT security.
- Practical experience with the integration of AI technologies like ChatGPT, Agentic AI, or LLMs for automation, feature development, or process optimization.
Why Us?
- Opportunity to lead the insurance industry into the AI era.
- Central role in a digital transformation process with significant scope for design.
- 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 processes, and a motivated team.
- Remote option with high flexibility – work independently of location and shape your workday.
- Personal development through continuous knowledge exchange and innovative technologies.
- Opportunity to take technical responsibility and grow with the company.
About Us
GARANTIEMAX provides added value to customers' daily lives through digital embedded insurance products. Specializing in the kitchen industry, the company offers kitchen retailers and customers an integrated service package, including a kitchen app and a dealer platform for customer loyalty – all paperless. With a 10-year warranty on kitchens and convenient digital processing, customer service is paramount. Operating as an underwriter since 2020, with its headquarters in Herford, GARANTIEMAX, backed by the risk carrier RheinLand Versicherungs AG, provides security for the kitchen trade through its warranty services. The flexible XCARE+KITCHEN products allow kitchen buyers to receive a 10-year warranty on all furniture parts, countertops, and accessories, with an option for electrical appliances. Over 1,000 kitchen dealers have recognized the value of the product and partner with GARANTIEMAX.
Simple. Digital. Fast. That's what we stand for and we are looking for you! If you want to be part of a growing young team dedicated to taking digitalization and service to a new level, we look forward to your application!
Key skills/competency
- Senior Full-Stack Developer
- TypeScript
- Node.js
- React
- Kubernetes
- Microservices
- AWS
- GraphQL
- Databases
- AI Integration
Skills & topics
- Senior Full-Stack Developer
- TypeScript
- Node.js
- NestJS
- React
- Vue.js
- Next.js
- REST API
- GraphQL
- PostgreSQL
- MongoDB
- Docker
- AWS
- GCP
- Kubernetes
- Microservices
- Clean Code
- CI/CD
- Test Automation
- AI Integration
- Claude
- Codex
- OpenClaw
- ChatGPT
- LLM
- Remote
- Insurance Tech
- Embedded Insurance
How to get hired
- Tailor your resume: Highlight your 5+ years of full-stack experience, specific technologies (TypeScript, Node.js, React, Kubernetes), and AI tool proficiency.
- Showcase architectural skills: Emphasize your experience with microservices, cloud platforms (AWS/GCP), and complex system scaling in your application.
- Demonstrate AI expertise: Detail your practical experience with AI tools like Claude, Codex, or ChatGPT and their application for efficiency and automation.
- Prepare for technical interviews: Be ready to discuss your approach to code quality, scalability, CI/CD, and system architecture with live coding examples.
- Express cultural fit: Articulate your proactive, solution-oriented mindset and your passion for collaboration and continuous learning in your interview.
Technical preparation
Behavioral questions
Frequently asked questions
- What are the key technologies used by GARANTIEMAX for the Senior Full-Stack Developer role?
- The Senior Full-Stack Developer role at GARANTIEMAX heavily utilizes TypeScript, Node.js (with NestJS), and frontend frameworks like React, Vue.js, or Next.js. You'll also work with REST APIs, GraphQL, relational and NoSQL databases (PostgreSQL, MongoDB), containerization (Docker), cloud platforms (AWS/GCP), and Kubernetes. A significant focus is placed on integrating modern AI solutions.
- How does GARANTIEMAX support personal and professional growth for its developers?
- GARANTIEMAX fosters growth through continuous knowledge exchange within the developer team, exposure to innovative technologies, and opportunities to take on technical responsibility. The company encourages personal development by actively involving developers in shaping technical decisions and modernizing software landscapes, particularly towards an AI-driven future.
- What is the work arrangement for the Senior Full-Stack Developer position at GARANTIEMAX?
- This Senior Full-Stack Developer position offers a remote work option with high flexibility, allowing you to work independently of location and shape your workday. While remote is emphasized, occasional collaboration or team events might occur.
- What kind of AI experience is GARANTIEMAX looking for in a Senior Full-Stack Developer?
- GARANTIEMAX seeks candidates with profound experience in modern AI tools and systems like Claude, Codex, and OpenClaw, focusing on their application for efficiency gains, automation, and support. Experience with AI technologies such as ChatGPT, Agentic AI, or LLMs for feature development or process optimization is also highly valued.
- Can you describe the company culture at GARANTIEMAX for developers?
- The culture at GARANTIEMAX is characterized by flat hierarchies, fast decision-making, and a motivated team. Developers are encouraged to be proactive, solution-oriented, and to actively shape technical decisions and the company's direction, rather than just implementing tasks. There's a strong emphasis on collaboration and continuous learning.
- What impact will a Senior Full-Stack Developer have at GARANTIEMAX?
- As a Senior Full-Stack Developer, you will have a significant impact by actively shaping technical and architectural decisions, optimizing core systems like microservices and Kubernetes, and leading the charge in integrating AI into insurance products. Your experience will directly influence the company's technical direction and its digital transformation.
- What is the typical career path for a Senior Full-Stack Developer at GARANTIEMAX?
- While specific paths may vary, a Senior Full-Stack Developer at GARANTIEMAX can expect opportunities to deepen their expertise in areas like AI integration, cloud architecture, and microservices. Growth can lead to more senior technical roles, architectural leadership, or specialization in emerging technologies.
- Does GARANTIEMAX offer opportunities to work with cutting-edge technologies, especially in AI?
- Yes, GARANTIEMAX is actively integrating modern AI solutions and is committed to an AI-driven future. The role specifically involves evaluating and integrating new technologies, including advanced AI tools, and supporting the modernization of their software landscape with AI at the forefront.