Building a Code Translator with Haystack, FastAPI and Gradio | CodeSignal Learn

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intermediate

Building a Code Translator with Haystack, FastAPI and Gradio

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3 courses

67 practices

8 hours

Master the art of building an intelligent code translation system from scratch. In this course path, you'll develop a robust LLM-powered code translator using Haystack, expose it via a FastAPI backend, and craft an interactive Gradio UI—gaining hands-on skills in modern agentic AI engineering.

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Certificate of Achievement

Verified skills you'll gain

INTERMEDIATE

Autonomous Workflow Automation

INTERMEDIATE

General Programming and Software Engineering

Tools you'll use

curl

FastAPI

Gradio

Haystack

OpenAI

Python

Course 1

Laying the Foundations for Code Translation with Haystack

5 lessons

26 practices

In the first Course, you will develop the core translation pipeline using Haystack's NLP components with an underlying LLM. You will implement the translation routine along with dedicated routines to preprocess incoming code and postprocess the translated output, setting a strong foundation for further enhancements.

Course 2

Exposing Your Code Translator with FastAPI

4 lessons

21 practices

This course teaches you how to expose your Haystack-powered code translation pipeline as a web service using FastAPI. You'll build a clean, maintainable API backend that makes your translation service accessible to other applications.

Course 3

Creating a User-Friendly Interface with Gradio

4 lessons

20 practices

The final Course of this path culminates by developing an interactive Gradio interface that connects seamlessly to your backend API. You will build a polished UI that provides real-time feedback, interactive selection for language pairs—all coordinated with your backend API.

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