Senior AI Engineer at HFM

✨ The Stack take on this HFM job

• 🏢 HFM has 29 jobs here, 29 with visa sponsorship see all
• 🛂 Visa: Foreign Interest Company work permit. Minimum salary: €2,500 a month guide
• 💡 No salary shown. Ask HFM if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

Responsibilities:
- Architect the 'Marketing OS' and lead design of autonomous, multi-step agents (LangGraph/LangChain) to automate marketing workflows such as campaign planning and asset auditing.
- Design and build high-performance, asynchronous backends (FastAPI) and integrations to support heavy marketing automation and tool chains.
- Define hybrid model strategies: deploy proprietary APIs (OpenAI/Anthropic) for high-reasoning tasks and open-source models (Llama/Mistral) for cost-efficient processing.
- Implement RAG workflows and long-term memory using PostgreSQL with pgvector and Redis for fast semantic retrieval.
- Implement observability, tracing, and cost controls (Langfuse) and enforce model governance and alignment with brand/compliance guidelines.
- Optimize model serving performance (PyTorch, vLLM) and ensure scalable deployment via Docker and orchestration.
- Collaborate with product, engineering and compliance teams to deliver reliable, auditable AI systems.

Requirements:
- Advanced Python and FastAPI experience; strong engineering background building production APIs and async systems.
- Hands-on experience with LangGraph/LangChain, RAG patterns, PostgreSQL + pgvector, and Redis.
- Experience with PyTorch, transformer architectures and model serving tools (vLLM or similar).
- Familiarity with observability/tracing tooling (Langfuse or equivalent) and practices for model governance and cost monitoring.
- Practical knowledge of deploying hybrid LLM stacks (OpenAI/Anthropic and open-source models) and evaluating trade-offs.
- Strong system design skills, experience building autonomous agents, and ability to work cross-functionally in a regulated environment.

Responsibilities

Lead the architecture and design of the 'Marketing OS' using autonomous multi-step agents to automate marketing workflows. Develop high-performance asynchronous backends and implement observability and model governance for both proprietary and open-source LLMs.

Requirements

Requires advanced proficiency in Python, FastAPI, and orchestration tools like LangGraph and LangChain. Candidates must have experience with PostgreSQL/pgvector for RAG and a strong background in ML/DL architectures.

Key skills

• LangGraph — in 29 other listings on The Stack
• LangChain — in 19 other listings on The Stack
• Python — in 1200 other listings on The Stack
• FastAPI — in 91 other listings on The Stack
• Docker — in 464 other listings on The Stack
• PostgreSQL — in 296 other listings on The Stack
• Pgvector — in 1 other listing on The Stack
• Redis — in 122 other listings on The Stack
• PyTorch
• Transformer Architectures
• vLLM
• Langfuse
• RAG
• System Architecture
• AI Agent Design
• Model Governance

On The Stack (as of 2026-11-05)

• HFM has 28 other listings on The Stack, 28 of them marked as offering visa sponsorship.
• 34 visa-sponsored jobs in Cyprus on The Stack, posted in the last 60 days.
• 18 visa-sponsored ai engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about HFM

Is this Senior AI Engineer role still open?

It was posted on 2026-06-04. Listings more than 30 days old may no longer be active, so check HFM's site before applying.

Does HFM offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on HFM's site.

Where is this role located?

The listing gives the location as Cyprus. It is marked on-site.

What skills does this role ask for?

The listing names: LangGraph, LangChain, Python, FastAPI, Docker, PostgreSQL, Pgvector, Redis, PyTorch, Transformer Architectures, vLLM, Langfuse, RAG, System Architecture, AI Agent Design, Model Governance.