Roberto Infante

Roberto Infante has been writing software professionally for the last 20 years, mainly for retail and investment banks, brokers, hedge funds, and insurance underwriters. Throughout his career, he has worked on a variety of innovative projects, such as the first internet mortgage approval system in the UK, one of the first internet insurance underwriting systems in the London market, and a cutting-edge portfolio trading platform. He currently works on financial risk management applications and on blockchain-related projects.

books by Roberto Infante

LangChain in Action
  • MEAP began July 2024
  • Publication in Fall 2025 (estimated)
  • ISBN 9781633436541
  • 275 pages (estimated)
Included with a Manning Online subscription
  • printed in black & white

LangChain in Action demystifies the most complex techniques of building LLM-based applications, including deploying open-source LLMs locally and fine-tuning them for specific applications. You’ll start from the ground up: LLM architecture, how to adapt them to your needs, and the advanced prompt engineering techniques you’ll need to succeed. From there, you’ll quickly move on to developing effective LLM-powered projects—from a simple tool to summarize documents, to a research assistant that can reliably use the web, a semantic search chatbot, and implementing advanced Retrieval Augmented Generation.

Building Ethereum Dapps
  • March 2019
  • ISBN 9781617295157
  • 504 pages
Included with a Manning Online subscription
  • printed in black & white
  • Available translations: Korean

Building Ethereum Dapps teaches Dapps development on the Ethereum blockchain platform. You’ll begin with a mental model of how Dapps operate, and then dive into designing and implementing smart contracts in Ethereum’s Solidity language. You’ll explore Ethereum smart contract development tools, like Truffle and Web3, and pick up best practices for design and security. Practical exercises throughout give you valuable hands-on experience.