Senior Full-Stack Engineer

Engineering at Nabla

Engineering at Nabla is lean, fast-moving, and deeply technical. Our teams span machine learning, native desktop applications, and platform infrastructure to deliver AI into clinical settings reliably and at scale.

At Nabla, product development is led jointly by Engineering and Product, and organized into cross-functional squads, each focused on a specific product area. Squads bring together product managers, designers, engineers of different profiles, and domain experts, and operate with a high level of ownership. As a Senior Full-stack Engineer, you'll join one of these squads and contribute end to end to a specific part of the product.

As a Senior Full-Stack Engineer, you will take a leading role in building and scaling Nabla's AI-powered healthcare platform. You will work across the stack—from back-end services to web, desktop, and mobile apps—and collaborate closely with Product, Design, and Machine Learning teams to deliver high-impact features that directly serve healthcare professionals.

You will:

• Lead the design and development of new product features across web, mobile, and desktop platforms

• Architect and optimize back-end APIs and services to support complex product needs

• Drive cross-functional projects from idea to production, collaborating closely with Product, ML, and Design teams

• Mentor and support junior engineers across the organization

• Contribute to architecture discussions, technical strategy, and best practices

• Proactively explore and adopt new technologies to keep our stack efficient and scalable

To give you a sense of the impact:

• Nabla processes 10 billion tokens/month with LLMs

• Every week, hundreds of thousands of clinical notes are automatically generated and synced with EHRs, saving thousands of hours for clinicians

• Our applications support healthcare professionals in real-time, high-stakes clinical environments

• You have 5+ years of industry experience in full-stack or software engineering roles

• You have strong foundations in computer science or a related discipline

• You're proficient in both back-end languages (Java, Kotlin, Go, C++, Python, etc.) and front-end frameworks (React, Vue, etc.)

• You have experience leading complex projects across the stack and collaborating across multiple teams

• You write clean, maintainable code and have high standards for software quality

• You are comfortable driving architectural decisions and mentoring other engineers

• You communicate clearly in English

• Bonus: experience with a native applications language (Swift, Kotlin, Rust, C#, etc)

• Frontend: Type Script, React, Tailwind CSS, Swift, Rust, Electron.

• Backend: Kotlin / JVM, GraphQL, PostgreSQL.

• ML & Infra: Python, PyTorch, Slurm, GCP, Terraform, Kubernetes.

Our offices are based in Paris 3e (Arts & Métiers). Remote policy: 1-2 days a week (with some flexibility). Possibility of working remotely 1-2 weeks once a year.

Just like we're dedicated to supporting doctors' well-being, ensuring yours is a top priority. We firmly believe that by prioritizing your well-being, we support you to excel in your work.

Here are the benefits you get when joining Nabla:

• Stock ownership

• 100% healthcare coverage

• Meal vouchers

• Public transportation costs covered at 50%

• Exercise class during the workday:
  Yoga, running, pilates, HIIT

• Unlimited budget for book purchases, so you can continue to learn about ML / Healthcare

• Culture of trust & accountability — your output matters more than your clock-in time

When you become a part of our company, you join a team of excellence-driven, curious, and genuinely kind individuals. Together, we're committed to making clinicians' lives easier and improving healthcare experiences for everyone. We believe in a world where clinicians can focus on what they were trained to do - caring for their patients, and where no patient feels their visit was rushed.

We come to work excited to leverage AI to do more for clinicians. We're obsessed with our users' satisfaction and we actively seek out opportunities to engage one-on-one with clinicians to understand how Nabla can better help. We consistently look for ways to…