NBBL-Associate/Senior Associate Innovation
National Payments Corporation Of India (NPCI)
5 - 10 years
Mumbai
Posted: 20/02/2026
Job Description
About the Role:
The opportunity We are seeking a highly skilled Senior Developer with strong capabilities in Core Java, Spring Boot, and AI/ML technologies to drive handson development within the NBBL Innovation vertical. The role involves building AI-driven applications, integrating LLM frameworks such as LangChain/Llama Index, developing RAG pipelines, and contributing to enterprisegrade application development.
Responsibilities:
- Develop and maintain enterprise-level applications using Core Java and Spring Boot.
- Implement RESTful APIs with secure coding standards and best practices.
- Build and integrate AI using frameworks like TensorFlow, PyTorch, Scikit-learn.
- Implement LLM-powered features using LangChain, LlamaIndex, and other modern AI frameworks.
- Develop and maintain RAG pipelines, including vector database integration.
- Apply prompt engineering techniques for improving LLM output relevance.
- Explore emerging AI technologies and contribute to PoCs under Innovation.
- Participate in code reviews, unit testing, integration testing, and CI/CD workflows.
- Work with Docker and Kubernetes for deployment and orchestration.
Preferred Skills and Qualifications:
- Bachelors degree in Computer Science, Engineering, or related field.
- 58 years of total experience in software development.
- Certifications in Java, Spring, or AI.
- Proficiency in Core Java, Spring Boot, Multithreading, Reactive Programming, and Spring Security.
- Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch, Scikit-learn).
- Experience integrating LLM-based solutions using LangChain, LlamaIndex.
- Understanding of vector databases (FAISS, Pinecone, Weaviate, Chroma).
- Knowledge of RAG architectures and LLM orchestration.
- Strong debugging, analytical thinking, and problemsolving skills.
- Experience with Docker, Kubernetes, and microservices.
- Familiarity with opensource AI tools and cloud-native development.
- Ability to work in an agile environment and deliver high-quality code.
- Experience building chatbots, conversational AI or autonomous AI agents.
- Open-source contributions to AI or developer communities.
Equal Opportunity Statement
As an Equal Opportunity Employer, NBBL fosters a workplace culture that values diversity and inclusion. It maintains zero tolerance for discrimination based on race, ethnicity, disability, gender identity, or sexual orientation, and actively supports the LGBTQ+ community.
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