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# Back-end engineer

- **Company:** Nabla
- **Location:** Bordeaux, France
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Server Applications, C++ (Programming Language), Cloud Computing, Software Quality, Distributed Systems, Java Virtual Machine (JVM), Python (Programming Language), PostgreSQL, Machine Learning, TypeScript, Openapi, Rust (Programming Language), Google Cloud, Tailwind, Pytorch, ReactJS, Fast Healthcare Interoperability Resources, Large Language Models, Swift (Programming Language), Electronic Medical Records, Electron (Programming Language), Backend, Kotlin, Kubernetes, Information Technology, Health Level Seven International, Graphql, Slurm, Front End Software Development, Restful APIs, Terraform, Programming Languages
- **Published:** September 5, 2026
- **Apply:** https://startup.jobs/senior-back-end-engineer-nabla-com-8691199

## About the Role

* You have strong foundations in computer science or a related discipline
 * You demonstrate strong, senior-level experience in back-end engineering, ideally within fast-paced, production-critical environments.
 * You're proficient in one or more widely used back-end languages (Java, Kotlin, C++, Python, etc.)
 * You have deep experience designing, building, and maintaining scalable APIs and distributed systems (GraphQL and OpenAPI experience is a plus)
 * You are comfortable driving architectural decisions and technical strategy
 * You write clean, maintainable code and have high standards for software quality
 * You communicate clearly in English
 * Bonus: experience with cloud infrastructure, security/compliance, or healthcare data standards (FHIR)

Our stack

 * Frontend: TypeScript, React, Tailwind CSS, Swift, Rust, Electron.
 * Backend: Kotlin / JVM, GraphQL, PostgreSQL.
 * ML & Infra: Python, PyTorch, Slurm, GCP, Terraform, Kubernetes.

## Description

As a Senior Back-End Engineer, you will play a critical role in scaling Nabla's AI-driven healthcare platform. You will take ownership of key components of our back-end systems, collaborate closely with product and machine learning teams, and help shape the technical direction of our infrastructure.

You will:

 * Design, build, and evolve our server-side applications and APIs
 * Lead complex integrations with external partners, especially Electronic Health Record (EHR) systems
 * Continuously improve and optimize our back-end architecture and developer experience
 * Guide architectural discussions and influence long-term technical decisions
 * Collaborate closely with Machine Learning, Product, and Front-End teams to deliver impactful end-to-end features
 * Mentor junior engineers and contribute to scaling the engineering culture

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 APIs serve real-time workloads in high-stakes clinical environments


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