Senior API Developer

Location Nuremberg, Germany# Senior API Developer at N Consulting Ltd Location Nuremberg , Germany Salary £250 - £300 /dayJob Type Contract Date  Posted March 13th, 2026

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** 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/Git Lab 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/Git Lab and Maven.

Troubleshoot, debug, and optimize applications for performance and scalability.###
** Required

Skills & Experience:

**** Programming

Languages:

** Java 21+, Java Script
** Frameworks & Technologies:
** J2EE, Spring Boot
** API Development:
** REST API design and implementation
** Version Control & CI/CD:
** Git, Git Lab, 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