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Barclays Logo Barclays · IT - Software Development

Gen AI Python Developer

India, Pune · Job Posted January 16, 2026
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Job Description

Join us as a “Gen AI Python Developer" at Barclays, where you'll spearhead the evolution of our digital landscape, driving innovation and excellence. You'll harness cutting-edge technology to revolutionise our digital offerings, ensuring unapparelled customer experiences.

Job Responsibility

  • Design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
  • Ensuring that code is scalable, maintainable, and optimized for performance
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

Requirements

  • Minimum of 8 years of overall professional experience
  • At least 1 years of experience in building enterprise-level generative AI (GenAI) applications
  • Extensive expertise in GenAI technologies, particularly in Large Language Models (LLMs) such as Amazon Bedrock
  • Deep understanding of model customization, training strategies, Retrieval-Augmented Generation (RAG), prompt engineering, and model fine-tuning, Agentic architecture
  • Comprehensive understanding of generative AI models, including large language models, diffusion models, and their practical applications
  • Developing a model customization approach and training strategy, designing, and implementing the model evaluation framework for incremental build, and evaluating models using various metrics applicable to LLM models
  • Implementing a feedback loop and conducting thorough testing and validation to ensure the desired accuracy
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform, and their respective AI/ML services
  • Monitor and evaluate the performance of generative AI models and systems
  • Implement improvements and optimizations as needed
  • Maintain comprehensive documentation of generative AI architectures, models, and processes
  • Ensure knowledge transfer and training for team members
  • Proficiency in programming languages such as Python, GenAI Library
  • Hands-on experience with containerization technologies like Docker and Kubernetes
  • Comprehensive understanding of data privacy, security, and ethical considerations in AI development

Nice to have

  • Excellent problem-solving, analytical, and critical thinking skills, with the ability to break down complex problems and devise efficient solutions
  • Proven track record of successfully leading and delivering complex Gen AI/ML projects from inception to deployment
  • Exceptional communication and collaboration skills, with the capability to effectively convey technical concepts and ideas to both technical and non-technical stakeholders

What we offer

  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
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