Caixa Mágica Software
AI Engineer
Caixa Mágica SoftwarePortugal7 days ago
Full-timeInformation Technology, Consulting +1

What will you do?

  • Integrate LLMs/SLMs into apps and backend services, including prompt design and chaining logic.
  • Design and manage API orchestration across AI and non-AI components.
  • Build and deploy AI systems using containerized environments (e.g., Docker, Kubernetes).
  • Optimize inference performance for low-latency and resource-constrained scenarios.
  • Develop and maintain speech pipelines, including STT (Speech-to-Text) and TTS (Text-to-Speech).
  • Design and orchestrate AI agents integrating outputs from NLP pipelines (intent classification, entity recognition) and voice interfaces.
  • Collaborate on the integration of ASR/TTS services and support conversational flow design.
  • Collaborate with platform engineers to ensure the reliable and secure deployment of AI services.
  • Contribute to architecture decisions and continuously improve system performance and cost.


What are we looking for?

  • Between 4–7 years of experience as an AI Engineer, Machine Learning Engineer, or similar.
  • Experience integrating LLMs or SLMs (OpenAI, Mistral, Azure OpenAI, Hugging Face, among others).
  • Strong experience with containerized deployment and orchestration using Docker and Kubernetes.
  • Proficiency in API design and orchestration of multi-component systems.
  • Solid knowledge of inference optimization strategies (quantization, batching, caching).
  • Experience with speech technologies (e.g., Whisper, Azure Speech, Google TTS/STT).
  • Strong coding skills in Python and familiarity with modern AI frameworks.
  • Familiarity with AI agents, tools, frameworks, or multi-modal AI.
  • Experience working in production-grade environments and CI/CD workflows.
  • Experience with vector databases, semantic search, or retrieval-augmented generation (RAG).
  • Exposure to automotive, IoT, or other embedded/edge AI scenarios.
  • Understanding of data privacy, on-device inference, or model compression techniques.


What can you expect from us?

  • A permanent job contract for a long term project;
  • Tech equipment + SIM Card + personal smartphone;
  • Health and Life Insurance;
  • Social events and team buildings;
  • The commitment of letting you grow with us, and be rewarded accordingly;
  • A dynamic and young team that will be always there to support you;
  • Training in the latest technologies;
  • Coffee, fruits, snacks and a warm welcoming when you pass by the office.

Key Skills

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