Ai Engineer - Eu

Overview
New Mission. New Stack. New Team. Space Inch is on a new mission to redefine B2B experiences, and we're looking for AI experts to help us build the next generation of intelligent workflows. We are looking for a dedicated AI Engineer to own the end-to-end delivery of production-ready LLM services, turning complex data into fast, reliable, and grounded recommendations at scale. This is a high-impact role where you'll build and operate the core AI systems that power our platform with production-grade performance. We're expanding quickly and bringing on multiple teammates to contribute across several new projects built on this stack. If you're a builder who loves AI and you're looking to join our growing AI team, we'd love to have you with us!
About Working At Space Inch
Our team (about 80 people) is primarily based in Croatia, with members in South America, Serbia, and the US. We focus on remote work, and have an office in Zagreb for those who prefer hybrid and are located nearby.
Occasional travel may be required, including our annual company retreats in Croatia.
We work on end-to-end projects with long-term vision.
We strongly support work/life balance for our team members.
Requirements
Our ideal candidate's core tech stack:
Languages & APIs: Python (FastAPI), TypeScript (Node/Nest BFF), REST/GraphQL, WebSocket/SSE
Python + FastAPI production experience (async, dependency injection, testing)
Comfortable integrating with TypeScript/Node
Built APIs with REST/GraphQL and at least one streaming pattern (SSE/WebSocket)
LLM & RAG: embedding stores (pgvector / OpenSearch / etc), chunking strategies, re-rank, hybrid search; prompt tooling & templates; guardrails
Observability & quality: structured logging, tracing, metrics; experiment/eval tooling (e.g., Langfuse-style telemetry), offline/online A/Bs
Data & pipelines: robust CSV/Sheets ingestion, schema validation, PII handling, backfills, scheduled jobs
Agentic experience (not day-one usage): familiarity with MCP and agent frameworks, tool design, constrained execution, and safe planning, so you can leverage them when they're the right fit
Can work effectively in CET timezone
Nice to have
LLM serving optimization (vLLM, TensorRT-LLM), quantization/LoRA know-how
Retrieval eval frameworks, cross-encoder rerankers, response grading
Experience with cost controls, token budgeting, and prompt compression
Serving & infra: Docker, Kubernetes, CI/CD; model gateways (e.g., LiteLLM/vLLM) and 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
Qualifications
4-6+ years software engineering (product environments), ideally with 2+ years hands-on experience in shipping LLM/GenAI to production
Proven track record owning services end-to-end (design, implementation, rollout, monitoring, and iteration)
Clear writing, pragmatic decision-making, and comfort collaborating with Mobile, Backend, and Ops (Dev/LLM)
Experience with technologies
Qualities for success
Proactive, solutions-driven mindset
Strong attention to detail and code quality
Comfortable making technical decisions independently
Passion for learning and improving
Ownership mentality, i. e. you care about the end product
Benefits
Monthly salary: 5,**********,****** EUR gross for a full-time B2B collaboration
Remote-first opportunity
Stay active: sports membership or wellness subsidy
Health & Wellbeing: 23 days of PTO, annual health checkup budget
Grow with us: Education budget to fuel learning and professional development
Space Inch is not responsible for any job boards scraping this ad without showing the position as remote, but European Union exclusive. Applicants from outside of the EU will not be considered.
Space Inch is committed to providing an environment of equal employment opportunity. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, or any other characteristic protected by applicable law. This commitment extends to all aspects of employment, including recruitment, hiring, training, promotion, compensation, benefits, and termination. Space Inch believes in treating all employees and applicants with respect and dignity, fostering a workplace where everyone has the opportunity to succeed.
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