Senior AI Infrastructure Engineer (Europe based - Remote)
SwordPorto, Portugal
Full Time
Posted March 13, 2026
Not Specified
Remote
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Job Description
A Senior AI Infrastructure Engineer responsible for designing, optimizing, and scaling infrastructure to support real-time AI models and applications in healthcare, including large language models, computer vision, and voice AI, to ensure high performance and scalability for the AI Care platform.
Key Responsibilities
- Own and optimize infrastructure for deploying AI models in production
- Design systems for real-time computer vision, large language model serving, and low-latency voice interactions
- Scale GPU clusters to support millions of AI sessions
- Optimize inference performance for large language models and real-time video processing
- Manage GPU workload orchestration to ensure models run at desired speed and scale
Requirements
- Own the infrastructure that brings AI models to life in production, including optimizing LLM inference, deploying real-time voice AI agents, and scaling GPU clusters that serve millions of sessions.
- Design systems that power real-time computer vision for movement analysis, serve large language models for conversational AI, and enable low-latency voice interactions for AI agents.
- Deeply embedded in AI-specific challenges such as inference optimization, real-time video processing, model serving at scale, and GPU workload orchestration.
- Passionate about pushing the boundaries of AI infrastructure performance.
- Have a legal right to work in the United States (for US applicants) or possess a valid EU visa and be based in Portugal (for Portugal-based candidates).
Benefits & Perks
Comprehensive health, dental and vision insurance
Equity shares
Discretionary PTO plan
Parental leave
401 k
Flexible working hours
Remote-first company
Paid company holidays
Free digital therapist for you and your family
Meal allowance (Portugal)
Remote work allowance (Portugal)
Discretionary vacation (Portugal)
Snacks and beverages (Portugal)
English class (Portugal)
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