GURUGRAM · FULLTIME
Senior Java Developer - AI / LLM
Deutsche Telekom Digital Labs
Gurugram · onsite · Posted 76d ago
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Section · 01
About this role
We are looking for a highly skilled Senior Java Developer with experience in building AI-powered applications using Large Language Models (LLMs) and Generative AI technologies. The ideal candidate will have a strong background in Java backend development and hands-on experience integrating AI capabilities into enterprise-grade applications.
Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Build and integrate AI-powered solutions leveraging LLMs and Generative AI technologies.
- Develop and consume RESTful APIs and microservices.
- Implement Retrieval-Augmented Generation (RAG) pipelines and AI agent workflows.
- Integrate AI models through platforms such as OpenAI, Gemini, Claude, or similar providers.
- Work closely with product, engineering, and AI teams to deliver innovative solutions.
- Optimise application performance, scalability, and reliability.
- Participate in code reviews, architecture discussions, and technical design decisions.
- Follow best practices for software development, testing, and deployment.
Requirements:
- 5.5+ years of hands-on experience in Java development.
- Strong expertise in Core Java, Spring Boot, and Microservices Architecture.
- Experience developing and consuming REST APIs.
- Good understanding of SQL and database design principles.
- Hands-on experience with Large Language Models (LLMs) and Generative AI applications.
- Experience with AI frameworks such as LangChain, LangGraph, or similar.
- Knowledge of Prompt Engineering, RAG, and AI Agent architectures.
- Familiarity with OpenAI, Gemini, Claude, or other LLM platforms.
- Experience with Git and CI/CD practices.
- Strong analytical and problem-solving skills.
Preferred Skills:
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Exposure to vector databases such as Pinecone, ChromaDB, Weaviate, or Milvus.
- Knowledge of containerization technologies such as Docker and Kubernetes.
- Experience working in Agile development environments.
Good to Have:
- Strong backend engineering expertise combined with practical AI implementation experience.
- Ability to build production-grade AI-enabled applications.
- Excellent communication and collaboration skills.
- Passion for emerging AI technologies and innovation.
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Section · 02
Skills
Section · Company
About Deutsche Telekom Digital Labs

Deutsche Telekom Digital Labs
Software Product
1.5k+
employees
2020
6 years old
Gurgaon / Gurugram, Haryana
India
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