Senior AI Infrastructure Specialist Lisboa

Senior AI Infrastructure Specialist
Lisboa
Lisboa, Lisboa, Portugal

Job Description

We build the foundation that powers every AI-driven experience, enabling product teams to create and deploy
-
-
- art Large Language Model (LLM) applications reliably and at scale.

The Platform Team

We design, implement, and improve core components of our Gen
AI infrastructure - from LLM Proxy and evaluation frameworks to orchestration tools for AI agents.

Key Responsibilities

• Develop secure,
  - optimized access to multiple foundation models using our LLM Proxy.
• Help develop and maintain benchmarking and A/B testing frameworks for measuring LLM performance, latency, and cost.
• Assist in building orchestration systems that enable
  - step,
  - using AI agents.
• Work closely with applied ML, product, and platform teams to ensure infrastructure meets product needs.
• Deliver
  - tested, maintainable, and performant code ready for production deployment.

Requirements

• 2-4 years of
  - on experience developing and deploying ML systems or infrastructure.
• Familiarity with LLM applications, vector databases, or ML/AI infrastructure components.
• Exposure to cloud platforms; understanding of containerized environments.
• Proficiency in Python and familiarity with at least one other backend language.
• Understanding of CI/CD workflows, testing frameworks, and software design principles.
• Ability to work effectively in
  - functional teams and take feedback constructively.

Preferred Qualifications

• Experience building
  - scale ML services or APIs.
• Exposure to ML observability tools and evaluation frameworks.
• Understanding of prompt engineering or
  - tuning workflows for LLMs.

What We Offer

• Full ownership of projects.
• A huge impact on products.
• A team of passionate people.
• Exciting projects, ability to implement your own ideas and improvements.
• Opportunity to learn and grow.

Additional Benefits

• Flexible working hours.
• Professional development funds.
• Comfortable office and remote setup.
• Choice of laptop and equipment.
• Premium Medical Insurance and Private Life Assurance.