AI Engineer Middle / Middle+ [AI Team] at Plata Card

✨ The Stack take on this Plata Card job

• 🏢 Plata Card has 34 jobs here, 34 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Minimum salary: €50,700 a year guide
• 💡 No salary shown. Ask Plata Card if it is above the minimum.

Updated 2026-11-03, from our data and official sources.

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About the role

Responsibilities:
- Design, build, and maintain AI/ML pipelines around LLMs, including model selection, configuration, and wrapper layers.
- Implement RAG-oriented data retrieval systems and optimize retrieval for accuracy and efficiency.
- Develop and refine OCR solutions to extract, validate, and normalize entities from business documents.
- Run experiments and A/B tests to evaluate prompts, model variants, and pipeline changes; measure and report key metrics.
- Collaborate with backend and LLM engineers: review code, integrate models, and ensure production readiness (CI/CD, monitoring).

Requirements:
- Hands-on experience with LLMs, prompt engineering, and building ML pipelines.
- Practical experience with evaluation metrics and A/B testing for ML-driven features.
- Strong Python skills and experience delivering production-grade software (CI/CD, monitoring, lifecycle ownership).
- Familiarity with RAG tools and frameworks (e.g., LangChain, LlamaIndex) and with commercial and open-source LLM providers.
- Ability to prioritize hypotheses, justify model/method choices, and architect efficient solutions.
- Strong communication skills and B1+ English for cross-functional collaboration.

Responsibilities

Develop and manage AI/ML pipelines using Large Language Models while focusing on model selection, configuration, and RAG-oriented data retrieval. Implement advanced OCR solutions and design experiments to evaluate model performance and drive product improvements.

Requirements

Requires hands-on experience with LLMs, ML pipelines, and Python, along with a strong understanding of quality evaluation metrics and A/B testing. Candidates must possess excellent communication skills and a B1 or higher level of English proficiency.

Key skills

• Python — in 1173 other listings on The Stack
• LLMs — in 77 other listings on The Stack
• Prompt engineering — in 56 other listings on The Stack
• ML pipelines — in 5 other listings on The Stack
• RAG — in 39 other listings on The Stack
• LangChain — in 17 other listings on The Stack
• LlamaIndex — in 5 other listings on The Stack
• MLflow — in 24 other listings on The Stack
• AWS
• Go
• OCR
• A/B testing
• CI/CD
• Data retrieval
• Model integration

On The Stack (as of 2026-11-03)

• Plata Card has 33 other listings on The Stack, 33 of them marked as offering visa sponsorship.
• 162 visa-sponsored jobs in Germany 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 Plata Card

Is this AI Engineer Middle / Middle+ [AI Team] role still open?

It was posted on 2026-08-04. Listings more than 30 days old may no longer be active, so check Plata Card's site before applying.

Does Plata Card offer visa sponsorship?

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

Where is this role located?

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

What skills does this role ask for?

The listing names: Python, LLMs, Prompt engineering, ML pipelines, RAG, LangChain, LlamaIndex, MLflow, AWS, Go, OCR, A/B testing, CI/CD, Data retrieval, Model integration.