Principal Software Engineer

C&D Talent Advisory

Barcelona, Spain

2 months ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience required

5 years minimum

Compensation

€100,000.0 - €200,000.0

Working hours

Regular working hours

Job source

opcionempleo.com

Tech stack

Artificial Intelligence Cloud Computing Distributed Systems Python (Programming Language) 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…