Python Backend Engineer (AI)

TL;DR

Python Backend Engineer (AI): Building and scaling high-profile AI platforms for executive clients with an accent on AI-driven conversational flows and complex workflows. Focus on designing RESTful APIs, implementing RAG pipelines, and integrating LLM agentic frameworks.

Location: Remote (World Wide), with office options in Bulgaria (Sofia, Plovdiv, Stara Zagora) and Serbia (Nis).

Company

hirify.global is a leading software development company with over 500 engineers specializing in high-tech domains including AI, machine learning, and video streaming.

What you will do

• Develop backend logic for AI-driven conversational flows from initial proposal to a polished result.
• Implement and maintain core services for AI agents, complex booking workflows, and Retrieval-Augmented Generation (RAG) pipelines.
• Collaborate with product managers, frontend engineers, and AI specialists to build optimal user experiences.
• Contribute to a high-profile product within the entertainment and tourism sector.
• Work in a high-paced, innovative environment with ambitious deadlines.

Requirements

• 5+ years of professional experience in backend software development.
• Strong proficiency in Python and the FastAPI framework.
• Experience designing and maintaining efficient RESTful APIs.
• Solid experience with relational databases (MySQL, PostgreSQL) and ORMs.
• Experience with software testing (pytest) and containerization using Docker.
• Fluent English proficiency.

Nice to have

• Experience with AI technologies, including LLMs, RAG, and agentic frameworks (e.g., LangChain, Microsoft Autogen).
• Knowledge of Kubernetes and cloud platforms, specifically Azure.
• Experience working with Vector Databases.

Culture & Benefits

• Supportive team environment with mentorship and coaching from industry experts.
• Personalized individual development plan tailored to your career aspirations.
• Flexible work models: choose between remote, hybrid, or onsite.
• Social perks including food vouchers and additional health insurance.
• Regular social events and team initiatives.