Senior API Developer

LocationNuremberg, Germany# Senior API Developer at N Consulting LtdLocationNuremberg, GermanySalary£250 - £300 /dayJob TypeContractDate PostedMarch 13th, 2026Apply Now## **Senior API Developer****Location:** Bad homburg / Nuremburg **Experience:** 5+ years **Job Type:** Full-time### **Role Overview:**We are seeking a **Senior API Developer** with strong expertise in building robust APIs and experience in LLM chatbots/AI integration, particularly leveraging Sage or similar platforms. The ideal candidate will have hands-on experience with modern Java development, Spring Boot, and RESTful APIs, and be comfortable working with Git/GitLab and Maven.### **Key Responsibilities:**Design, develop, and maintain scalable APIs and backend services.Integrate AI/LLM chatbot solutions into applications (Sage experience preferred).Collaborate with cross-functional teams to deliver high-quality software solutions.Implement best practices for code quality, testing, and deployment using Git/GitLab and Maven.Troubleshoot, debug, and optimize applications for performance and scalability.### **Required Skills & Experience:****Programming Languages:** Java 21+, JavaScript**Frameworks & Technologies:** J2EE, Spring Boot**API Development:** REST API design and implementation**Version Control & CI/CD:** Git, GitLab, Maven**AI/LLM Integration:** Experience with chatbots or AI-driven applications (Sage preferred)Strong problem-solving skills and ability to work independently.### **Nice to Have:**Experience with cloud platforms (AWS, Azure, GCP)Knowledge of containerization (Docker, Kubernetes)Familiarity with AI/LLM model fine-tuning or prompt engineering
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