About the Position

Senior Python Developer (AI/ML)

Ukraine

We’re a fast-moving AI startup on a mission to transform how architectural plans are analyzed and delivered. Our platform leverages cutting-edge AI to interpret design documents and generate powerful insights for our customers.

We are looking for a Senior Python Developer (AI/LLM) to join our team and contribute to an exciting early-stage startup project. This role is ideal for an engineer with strong backend expertise and hands-on experience working with modern AI systems and large language models.

Responsibilities

• Develop and maintain backend services and APIs using Python (Flask)
• Design and implement AI-powered features using LLMs (e.g. Anthropic, OpenAI)
• Work with prompt engineering and optimize LLM outputs for production use cases
• Integrate AI models into scalable microservices architecture
• Build and deploy solutions on AWS
• Work with SQL databases, Redis, and Elasticsearch for data storage and processing
• Ensure performance, reliability, and scalability of the system
• Write clean, maintainable, and testable code

Requirements

• 7+ years of experience in commercial Python development
• 3+ years of experience with Flask
• Hands-on experience working with LLMs (Anthropic Claude, OpenAI GPT, or similar)
• Experience with prompt engineering
• Experience with AI/ML
• Strong knowledge of SQL databases
• Hands-on experience with Redis
• Experience with AWS services
• Experience with microservices architecture
• Strong problem-solving skills and ability to work in a fast-paced environment
• Willingness to work on core backend tasks, beyond AI-focused development
• At least Upper-Intermediate English level
• Experience with Elasticsearch will be a plus

We Offer

• Be part of a mission-driven team shaping the future of architecture and AI
• Work on challenging and impactful tasks with cutting-edge technologies
• Collaborate with passionate teammates in a dynamic startup culture
• Influence product and technology decisions from the ground up