Principal Software Engineer

C&D Talent Advisory
Paris, France
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
€ 200K

Job location

Remote
Paris, France

Tech stack

Artificial Intelligence
Cloud Computing
Distributed Systems
Python
Machine Learning
Software Architecture
Software Systems
TypeScript
Reinforcement Learning
Large Language Models
Multi-Agent Systems
Free and Open-Source Software

Job description

As a Principal Software Engineer, you will help architect and build the core systems powering next-generation healthcare AI products. You will work directly on AI-driven patient communication, triage systems, agent orchestration platforms, secure healthcare infrastructure, and low-latency voice and video technologies. This is a hands-on engineering role focused on building production-grade systems that operate reliably at scale. What You'll Do

  • Design and scale AI-powered healthcare platforms and distributed systems
  • Build and optimize agent-based architectures and orchestration systems
  • Develop secure healthcare data infrastructure and enterprise integrations
  • Work on systems leveraging LLMs, AI agents, reinforcement learning, and modern AI technologies
  • Improve system performance, reliability, scalability, and clinical accuracy
  • Collaborate closely with founders and a highly technical engineering team
  • Take ownership of technical decisions from architecture through deployment

Requirements

  • 5+ years of experience building complex production-grade software systems
  • Strong backend engineering expertise, ideally with Python
  • Experience designing scalable distributed systems
  • Ability to transform ambiguous business requirements into robust technical solutions
  • Strong software architecture and systems design skills
  • Experience operating in startup, scale-up, or high-growth environments
  • Comfortable working independently with high ownership and accountability, * Experience with AI, machine learning, LLMs, or agentic systems
  • Healthcare technology, health data, or clinical workflow experience
  • Experience with cloud infrastructure and large-scale systems
  • Proficiency in additional languages such as Go, Rust, TypeScript, or similar
  • Open-source contributions, hackathons, or side projects demonstrating technical excellence
  • Experience mentoring engineers and contributing to technical strategy

About the company

Our client is a healthcare AI startup on a mission to make healthcare truly accessible through advanced AI systems. The vision is ambitious: building intelligent agents capable of performing doctor-level and nurse-level tasks while improving patient access, clinical efficiency, and healthcare outcomes at scale., If you're excited about shaping the future of AI-driven healthcare and building systems capable of transforming patient care, we'd love to hear from you...

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