Principal AI engineer

DTDL group.; Gurgaon; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

DTDL group. in Gurgaon, Haryana, India seeks a Principal AI Engineer to lead high‑performance AI projects and develop robust applications using Java, Python, and modern design patterns.

You will refactor legacy Python code, build web apps with Django, JavaScript, HTML5 and CSS3, and test RESTful services. 8–10 years of AI/LLM/RAG experience is required, with strong Python/Java skills and API proficiency.

Qualifications

• 8-10 years total experience with AI/LLM/RAG.
• Proficiency in Python, Java, Java EE, and related languages.
• Experience with REST APIs; ability to write Python libraries and scripts.
• Familiarity with testing tools like Selenium, Appium, and Rest Assured is advantageous.

Responsibilities

• Develop robust high-performance AI applications using Java, Java8, multithreading, and design patterns.
• Refactor old Python code to adhere to modern principles and enhance scalability.
• Develop and deliver web applications using Python, Django, JavaScript, HTML5, and CSS3.
• Perform API-level testing in Java, including RESTful web services testing.
• Participate in the development and enhancement of risk applications using Java technologies.

Skills

AI

LLM

RAG

Langchain

Langraph

Tools

Selenium

Appium

Rest Assured

Job description

#### Principal AI engineer###### Job Code: DTDLPL-5933Gurgaon, Haryana, India1 positionExpires on 13/08/2026Required Experience8 - 10 YearsSkillsAI,LLM,RAG+ 2 moreJob Description* **Responsibilities:*** Develop robust high-performance AI applications using Java, Java8, multithreading, and design patterns.* Refactor old Python code to adhere to modern principles and enhance scalability.* Develop and deliver web applications using Python, Django, JavaScript, HTML5, and CSS3.* Perform API-level testing in Java, including RESTful web services testing.* Participate in the development and enhancement of risk applications using Java technologies.* **Requirements:*** 6-8 years of total experience, with expertise in AI, LLM, RAG, Langchain, Langraph, or related skills.* Proficiency in Python, Java, Java EE, and relevant programming languages.* Experience with tools like Selenium, Appium, and Rest Assured is advantageous.* Solid understanding of REST APIs and ability to write Python libraries and scripts.