Senior AI Backend Engineer (Go & Python)

Senior AI Backend Engineer (Go & Python) Location: 100% Remote - Candidates must be located in Poland Contract: B2B Start Date: 30 Days / Within 1 Month / Flexible We are looking for a Senior AI Backend Engineer to design and build scalable AI-powered platforms, focusing on multi-agent systems, advanced RAG architectures, and high-performance backend services. Your

Design and implement stateful multi-agent workflows and autonomous tool-calling systems. Build and optimize Advanced RAG pipelines , including data ingestion, semantic chunking, vector database integrations, and reranking mechanisms. Develop high-performance backend services with a focus on scalability, low latency, and concurrency .

Create clean, strongly typed, and extensible APIs supporting both web and CLI applications. Improve reliability through resilient error handling, monitoring, and recovery strategies. Collaborate with AI and platform teams to deliver production-ready GenAI solutions.

5+ years of experience in backend software engineering. Expert knowledge of Go (Golang) . Strong hands-on experience with Python , particularly within AI and Machine Learning ecosystems.

Experience building AI applications using: Agentic frameworks and AI orchestration RAG architectures Vector databases Token streaming Memory management Strong understanding of: Asynchronous processing Event-driven architectures State machines Streaming protocols Distributed systems Experience designing and buil