Senior Fullstack Engineer (Python + React) (AI)

TL;DR

Senior Fullstack Engineer (Python/React): Building scalable AI-driven systems and agent-based architectures for internal Generative AI initiatives with an accent on RAG pipelines and multi-agent systems. Focus on designing scalable APIs, integrating LLM orchestration environments, and implementing complex AI workflows.

Location: Remote (Must be based in Poland)

Company

A leading global consulting company delivering high-impact solutions across various industries for global enterprises and financial institutions.

What you will do

• Design and build AI agents and multi-agent systems using frameworks such as LangGraph and AWS Bedrock.
• Develop scalable architectures for complex AI workflows and RAG pipelines using PostgreSQL (pg_vector) or OpenSearch.
• Create user interfaces, components, and data structures using React.
• Design and implement scalable backend APIs using FastAPI, Flask, or Django.
• Lead system design and architectural decisions ensuring scalability and reliability.
• Mentor other engineers and conduct code reviews.

Requirements

• Proficiency in React and backend frameworks (FastAPI, Flask, or Django).
• Experience with SQL (PostgreSQL) and NoSQL (MongoDB).
• Hands-on experience with AWS, Docker, Kubernetes, and Terraform.
• Proven experience with Generative AI, LLM APIs, embeddings, and RAG pipelines.
• Candidate must be located in Poland.
• Fluent English communication skills.

Nice to have

• Experience with platforms such as AWS Bedrock or similar LLM orchestration environments.

Culture & Benefits

• Fully remote work arrangement.
• Opportunity to work on cutting-edge Generative AI initiatives within a geopolitics-related domain.
• Distributed global team environment with a focus on asynchronous collaboration.
• Engagement in high-impact projects for large global enterprises.

Hiring process

• English check (15 minutes).
• Internal technical interview (1-1.5 hours).
• Client interview (1 hour).