Senior Python Engineer (AI)

TL;DR

Senior Python Engineer (AI): Building and optimizing AI-driven products and LLM services with an accent on RAG systems, orchestration, and scalability. Focus on designing robust RESTful APIs, implementing agentic frameworks, and leveraging AI-assisted development tools to deliver high-quality, maintainable code in an international environment.

Location: Remote (with team presence in Serbia, Poland, and Armenia)

Company

hirify.global is a technology company specializing in AI, ML, cloud services, and data engineering solutions.

What you will do

• Build and optimize RESTful APIs and backend services using FastAPI, Django, or Flask.
• Implement and optimize Retrieval Augmented Generation (RAG) systems for production environments.
• Profile and optimize Python code to enhance system performance and scalability.
• Collaborate with cross-functional teams, including ML engineers and product managers, on AI-driven products.
• Maintain high code quality through rigorous testing and documentation practices.
• Leverage AI-assisted tools for development, testing, and delivery workflows.

Requirements

• Strong proficiency in Python, OOP, and clean architecture principles.
• Experience building RESTful APIs using FastAPI, Django REST, or Flask.
• Proven experience with LLM APIs (OpenAI, Anthropic, or AWS Bedrock) and building RAG systems.
• Practical experience with Docker, Kubernetes, and microservices architectures.
• Proficiency in SQL and NoSQL databases, including PostgreSQL and DynamoDB.
• English: Upper-Intermediate (B2) or higher.

Nice to have

• Experience with agentic frameworks like LangChain, LlamaIndex, or LangGraph.
• Familiarity with LLM evaluation frameworks and prompt engineering at scale.
• CI/CD pipeline experience with GitHub Actions or GitLab CI.
• Proficiency with modern Python tooling like ruff or uv.

Culture & Benefits

• 100% remote work with flexible hours.
• Long-term B2B collaboration.
• Comprehensive private medical insurance or medical budget.
• Support for professional certifications and internal leadership training.
• Provision of all necessary equipment for productive work.
• Paid vacation, sick leave, and public holidays.

Hiring process

• Recruitment interview.
• Technical interview.
• Hiring Manager interview.