AI Engineer - EU (B2B)

Space Inch is a leading software development company in the Information Technology and Services industry, based in the US. The company prioritizes alignment with clients and team, ensuring a deep understanding of their needs, and supports the personal and professional growth of team members.

• 4-6+ years software engineering experience in product environments
• 2+ years hands-on experience shipping LLM/GenAI to production
• Proven track record owning services end-to-end (design, implementation, rollout, monitoring, iteration)
• Python (FastAPI) production experience including async, dependency injection, testing
• Comfortable integrating with TypeScript/Node
• Experience building APIs with REST/GraphQL and streaming patterns (SSE/WebSocket)
• Knowledge of LLM & RAG: embedding stores (pgvector/OpenSearch), chunking strategies, re-rank, hybrid search, prompt tooling & templates, guardrails
• Observability & quality: structured logging, tracing, metrics, experiment/eval tooling, offline/online A/B testing
• Data & pipelines: robust CSV/Sheets ingestion, schema validation, PII handling, backfills, scheduled jobs
• Agentic experience with MCP and agent frameworks, tool design, constrained execution, safe planning
• Ability to work effectively in CET timezone

Nice to have:

• LLM serving optimization (vLLM, TensorRT-LLM), quantization/LoRA know-how
• Retrieval evaluation frameworks, cross-encoder rerankers, response grading
• Experience with cost controls, token budgeting, prompt compression
• Serving & infrastructure: Docker, Kubernetes, CI/CD; model gateways (LiteLLM/vLLM), caching; object storage (S3-compatible); message bus (Kafka or equivalent)
• Security & privacy: tenant-aware access controls, secrets management, audit logs, privacy and safety red-teaming basics
• Proactive, solutions-driven mindset
• Strong attention to detail and code quality
• Comfortable making technical decisions independently
• Passion for learning and improving
• Ownership mentality

• Own the end-to-end delivery of production-ready LLM services
• Build and operate core AI systems that power the platform with production-grade performance
• Collaborate with Mobile, Backend, and Ops (Dev/LLM) teams

This is a B2B only position for EU applicants outside of Croatia. Applicants from outside of the EU will not be considered. Space Inch is committed to equal employment opportunity and does not discriminate based on protected characteristics.