Contractor AI / LLM Engineer
Penguin Formula is hiring a remote Contractor AI / LLM Engineer. The career level for this job opening is Experienced and is accepting Lisbon, Portugal based applicants remotely. Read complete job description before applying.
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Penguin Formula
Job Title
AI / LLM Engineer
Posted
Career Level
Contractor
Career Level
Experienced
Locations Accepted
Lisbon, Portugal
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Job Details
We are looking for an AI Engineer with hands-on experience in Large Language Models (LLMs) to integrate intelligent features into our software product. This role focuses on Java backend development and requires expertise in both cloud and offline/on-premises AI solutions.
Key Responsibilities:
- Integrate LLMs (e.g., GPT-4, Falcon, LLaMA, Mixtral) into Java backend systems.
- Develop local services (in Python or Java) to serve offline models when needed.
- Design and maintain REST/JSON endpoints for communication between Java services and AI modules.
- Personalize and adapt model outputs through prompt engineering.
- Implement logic for natural language understanding, question/answer generation, and response analysis.
- Support hybrid architecture: cloud-first with fallback or dedicated on-premises mode.
- Ensure data privacy, performance, and security in AI integrations.
- Collaborate with backend, frontend (Angular), and product teams for seamless integration.
Required Skills & Experience:
- Experience with LLMs (e.g., GPT, Falcon, LLaMA, BloomZ).
- Experience integrating APIs (OpenAI, HuggingFace, Ollama).
- Strong Python and Java skills for backend development (FastAPI, Flask).
- Expertise in Java backend development, especially with Spring Boot.
- Familiarity with AWS services (API Gateway, EC2, Lambda, etc.).
- Experience deploying AI models in on-premises environments.
- Familiar with model quantization and serving tools (HuggingFace, llama.cpp, Ollama).
Nice to Have:
- Familiarity with LangChain, vLLM, or Retrieval-Augmented Generation (RAG).
- Experience with multilingual prompt engineering (Arabic, Portuguese).
- Working knowledge of Angular.
- Experience with AI solutions in offline enterprise environments.
- Knowledge of privacy regulations (e.g., GDPR) and edge computing best practices.
Skills
FAQs
What is the last date for applying to the job?
The deadline to apply for Contractor AI / LLM Engineer at Penguin Formula is
7th of September 2025
. We consider jobs older than one month to have expired.
Which countries are accepted for this remote job?
This job accepts [
Lisbon, Portugal
] applicants. .
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