AI Engineer

🕒 December 19, 2025

🇭🇷 Croatia – Remote

💵 €52.8k - €70.2k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 AI Engineer

👻 Ghost score 45%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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📋 Description

• Build, own, and operate production-ready LLM-powered services end-to-end • Build and operate fast, reliable AI systems powering core platform features • Enable accurate, data-grounded recommendations and intelligent workflows • Deliver production-grade performance and reliability at scale • Contribute across multiple projects using the specified AI engineering stack • Work on end-to-end projects with a long-term vision • Collaborate with Mobile, Backend, and Ops teams • Design, implement, roll out, monitor, and iterate services • Occasionally travel, including annual company retreats in Croatia

🎯 Requirements

• Python (FastAPI) production experience, including async, dependency injection, and testing • TypeScript/Node integration experience • REST/GraphQL API development • Experience with SSE or WebSocket streaming • LLM and RAG experience: embedding stores, chunking strategies, reranking, hybrid search, prompt tooling/templates, and guardrails • Observability and quality experience: structured logging, tracing, metrics, experiment/evaluation tooling, and offline/online A/B testing • Data and pipeline experience: CSV/Sheets ingestion, schema validation, PII handling, backfills, and scheduled jobs • Familiarity with MCP and agent frameworks, tool design, constrained execution, and safe planning • Ability to work effectively in the CET timezone • 4–6+ years of software engineering experience in product environments • Ideally, hands-on experience shipping LLM/GenAI to production • Proven track record owning services end-to-end, including design, implementation, rollout, monitoring, and iteration • Clear writing and pragmatic decision-making • Comfort collaborating with Mobile, Backend, and Ops (Dev/LLM) • Docker, Kubernetes, CI/CD, model gateways, caching, object storage, and message buses are nice to have • LLM serving optimization, quantization/LoRA, retrieval evaluation, cost controls, security, privacy, and safety red-teaming are nice to have • Applicants must be located in Croatia; applicants from other countries will not be considered

🏖️ Benefits

• Remote-first setup with optional use of our Zagreb office • Multisport card or wellness subsidy • 100% paid sick leave • Annual health checkups • Christmas bonus • Referral bonus • Education budget for learning and professional development • Executive coach access for every team member • Strong support for work/life balance • Occasional annual company retreats in Croatia

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