"UKRNAFTAGAZSERVICE"

LLC "UKRNAFTAGASSERVICE" is a Ukrainian service company providing production and technological services for drilling and major repairs of oil and gas wells, as well as directional drilling services throughout Ukraine.

About the role:

 
We are looking for an experienced Full Stack Engineer to help adapt our existing systems to the Azure cloud infrastructure, modernize user interfaces, and ensure stable integration between services. Our project is focused on building and improving a Retrieval-Augmented Generation (RAG) solution that interacts with Large Language Models (LLMs). As part of our team, you will be responsible for developing and enhancing the RAG pipeline, including document indexing, embedding generation, vector search, and integrating context-aware responses from the LLM. Additionally, you will develop a user-friendly chat interface that enables users to search and interact with documents in a conversational format for our internal knowledge base. 

Project Technology stack: 

Python (llama-core, langchain), React, Azure AI Search, Azure Cognitive Service, Azure Blob Storage, Azure Data Factory, Azure Functions 

Your Responsibilities: 

• Adapt and extend existing backend and frontend services for deployment within Microsoft Azure infrastructure 
• Understand and contribute to the design and implementation of Retrieval-Augmented Generation (RAG) systems 
• Apply basic knowledge of Generative AI principles in solution development 
• Design, develop, and update user interfaces using React 
• Build, integrate, and maintain RESTful APIs using microservices architecture 
• Deliver robust, scalable solutions aligned with business requirements 
• Refactor, maintain, and optimize both frontend and backend codebases 
• Collaborate closely with Architects and DevOps engineers on deployments, environment setup, and CI/CD processes 

Candidate requirements: 
- 3+ years of experience as a Full stack Engineer 
- Hands-on experience with React and  Python 
- Understanding of Azure cloud architecture principles 
- Experience with REST APIs, microservices, and CI/CD pipelines 
- English – B1+ (ability to read technical documentation)

We offer: 
- Involvement in a large-scale digital transformation project 
- Work in a professional team with influence on architectural decisions 
- Official employment and stable compensation 
- Flexible schedule and remote-friendly environment 
- Professional development and certification support